Kenworth bunk heater

Get superior heating performance with this durable and reliable heater cores. Keep your Kenworth truck warm and comfortable on the road. Upgrade your heating system today! *** High Quality Aftermarket Replacement Part (Not OEM)***. ** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different ...

Kenworth bunk heater. Kenworth Temperature Control on HeavyTruckParts.Net. Easily find what you need from 2,648,799 parts available. ... USED USED BUNK TEMPERATURE CONTROL OUT OF A 2015 KENWORTH T680. PN P21-1031. Create Estimate. Part Info ... USED USED KENWORTH T800 HEATER A/C TEMP CONTROL P/N 1000861933. Create Estimate. …

108263 Kenworth Heater Core for bunk heaters. Have questions? Call us at (616) 834-1503. SKU: HV4000-001-108263 Heater Core quantity + Add to cart. Description; Additional information; Reviews (1) Fitment. Cross References: Fleetrite: ZGG710007; Freightliner/Alliance: ABP N83 315315; MEI ...

Kenworth is offering a few new options for its heavy-duty trucks, including a new natural gas engine and bunk heater system fo the T680 and T880 and a FlowBelow AeroKit for the T680. Kenworth will ...VIN #: 1nkdxpex1er420069. OEM #: 1341. Heater core block / housing pulled from a 2014 Kenworth T800. Unit is in good used condition, see pictures. OEM P/N F66-1421. Create Estimate. Part Info. (509)321-5428 Request Info HTP High Mountain Horsepower Spokane Valley WA. $125.00 ADD TO CART.OE# K142-537-1, F31-1321-100 Kenworth Stainless Bunk Heater. Our Kenworth bunk heater is a complete stainless steel direct replacement for the OEM part number K142-537-1. Our part# K142-537ss-2 Please call (616) 834-1503 with any questions regarding fitment. SKU: K142-537SS-2 $ 1,650.00 Add to cart.Kenworth Bunk Heater from CA$1,899.99 sold out. Add To Cart. York to Sanden AC pump conversion Kit. Learn more 465 George Avenue. Winkler, MB R6W 0J4. Sales/Customer Service Local Number: 1(204)331-4000. Sales/Customer Service Toll Free Number: 1(833)455-2473 . Soaring Eagle HD Truck Parts & Accessories ...T660 (2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box. Enhance your T660's HVAC efficiency with our premium stainless steel HVAC box assembly, seamlessly replacing OEM part numbers F31-1064-11122 and F31-1291-11122. Tailored for Kenworth T660 day cab model trucks built prior to mid-2014. Employ our selection tool for a precise fit.T660 (2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box. Enhance your T660's HVAC efficiency with our premium stainless steel HVAC box assembly, seamlessly replacing OEM part numbers F31-1064-11122 and F31-1291-11122. Tailored for Kenworth T660 day cab model trucks built prior to mid-2014. Employ our selection tool for a precise fit.

Kenworth W900 AC & Heating | Raney's Truck Parts. Buying Guides. Specials. Why Shop. at Raney's? 888-888-7990. Freightliner. Kenworth. Peterbilt. SR2000042, 640059 Heater Actuator Module $ 67.00 SKU: HV4010-003 Categories: All HVAC Parts , HVAC Components , Kenworth T270 Parts , Kenworth T300 Parts , Kenworth T370 Parts , Kenworth T400 Parts , Kenworth T600 Parts , Kenworth T660 Parts , Kenworth T800 Parts , Kenworth W900 Parts Tags: F31-1036 , F31-1288 , Global 145. Jan 21, 2012. Gilbert, SC. 0. Started with Dart Transit a few weeks ago and they put me in a 2019 T680 with auto start and a bunk heater. Problem is when I engage the auto start and it goes to start the truck to run a/c or charge batteries the full startup test runs including the noisy #### LDW system and wakes me up every time.“Celebrating over 30 years in business!” Parts lookup. Kenworth bunk heater K142-537. Country Air & Repair, Moorefield, Ontario. Keeping truck drivers warm when it's cold …Direct replacement for a proper fit every time Recommended for replacement during blend door replacement. $41.51. TRQ® HVAC Heater Water Shut-Off Valve Actuator. 0. # mpn5052328325. Kenworth W900 2002, HVAC Heater Water Shut-Off Valve Actuator by TRQ®. Connector Quantity: 4. OEM #: F21-1012-21-000. USED 178052-821 - Used Temperature Control from a 2007 Kenworth W900S. Create Estimate. Part Info. (877)557-8782 Request Info Enterprise LKQ KC Truck Parts - Inland Empire Spokane Valley WA. $300.00 ADD TO CART. T660 (2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box. Enhance your T660's HVAC efficiency with our premium stainless steel HVAC box assembly, seamlessly replacing OEM part numbers F31-1064-11122 and F31-1291-11122. Tailored for Kenworth T660 day cab model trucks built prior to mid-2014. Employ our selection tool for a precise fit.

Apr 6, 2022 · Buy Kenworth K142-537-1 Bunk Heater Assembly 12V Combo Aftermarket Replacement | K1425371 online. Same day shipping available on most parts. Kenworth T660 with Operation: Cable 2010, HVAC Heater Control Valve by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix... Application specific design Cable operated design. $36.51.53,941. Aug 8, 2015. 0. I’m not familiar with Kenworths, but usually the cold/warm knob controls the heater hoses. If it’s not working, and when it’s set on cold, hot waters still circulating through the heater core, it will cancel the effects of a working A/C system.HVAC Heater Control Valve (74011) by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four Seasons. Application specific design Cable operated design. $36.51.When it comes to heavy-duty trucks, Kenworth has established itself as a leader in the industry. With a reputation for durability, reliability, and excellent performance, Kenworth ...

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OE# K142-537-1, F31-1321-100 Kenworth Stainless Bunk Heater. Our Kenworth bunk heater is a complete stainless steel direct replacement for the OEM part number K142-537-1. Our part# K142-537ss-2 Please call (616) 834-1503 with any questions regarding fitment. SKU: K142-537SS-2 $ 1,650.00 Add to cart.During the cold weather a reliable indoor heater is crucial for your comfort and survival. Whereas regular maintenance of your furnace should prevent it from breaking down, you wil...New LCD digital user interface and battery monitoring system. Features on-board service diagnostics, automatic temperature control and check filter function. Energy-efficient and environmentally friendly. Complies with all …OE# K142-537-1, F31-1321-100 Kenworth Stainless Bunk Heater Our Kenworth bunk heater is a complete stainless steel direct replacement for the OEM part number K142-537-1. Our part# K142-537ss-2 Please call (616) 834-1503 with any questions regarding fitment. SKU: K142-537SS-2 $ 1,650.00 Add to cart

A bunk heater, flat screen TV, premium sound system and factory-installed inverter with optional shore power are available for additional comfort. The many driver comfort amenities help give the Kenworth T680's 52-inch mid-size sleeper the feel of a larger sleeper. Kenworth 52-inch Mid-Roof SleeperInstallation Steps. 1- Initiate the installation of your new heater box. Ensure that the two bolts on the heater box align with the two holes on the firewall. 2- Secure the heater box using the provided nuts and bolts. Insert the top two bolts through the recirculation door flap. Use a wrench on the bolt side and tighten the nuts with a ratchet.Oct 25, 2006. #2. Open the hood and follow your heater hoses that go back to the bunk. Along the way, you will encounter two valves or levers. Open them up so hot coolant circulates to your bunk. If those are open, take the four screws off the cover on the heater hose connection inbetween the cab and sleeper.It comes with 4 extra deep cycle batteries and a Kenworth bunk AC unit that will run up to 12 hours in the battery power. It has an upgraded alternator in the truck as well. The espar is tied into this system. One thermostat in the bunk operates both units. Technician: Wayne. Get superior heating performance with this durable and reliable heater cores. Keep your Kenworth truck warm and comfortable on the road. Upgrade your heating system today! *** High Quality Aftermarket Replacement Part (Not OEM)***. ** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different ... Jan 11, 2024 ... Kenworth T700 sleeper heater control panel explained #heater #ac #kenworth. 131 views · 2 months ago ...more. Valeriu Moscalu. 74.1K.Direct replacement for a proper fit every time Recommended for replacement during blend door replacement. $41.51. TRQ® HVAC Heater Water Shut-Off Valve Actuator. 0. # mpn5052328325. Kenworth W900 2002, HVAC Heater Water Shut-Off Valve Actuator by TRQ®. Connector Quantity: 4.We've all heard the career advice to "follow your passion." Is it brilliance or bunk? Advertisement After earning bachelor's degrees in engineering and sociology, I was determined ...OEM #: F21-1012-21-000. USED 178052-821 - Used Temperature Control from a 2007 Kenworth W900S. Create Estimate. Part Info. (877)557-8782 Request Info Enterprise LKQ KC Truck Parts - Inland Empire Spokane Valley WA. $300.00 ADD TO CART.Webasto air heaters keep drivers warm without idling and provide unmatched fuel efficiency. The fuel savings add up quickly, providing a fast return on investment - heat the bunk area for up to 22 hours using as little as 1 gallon of fuel. Eliminate cold starts by pre-heating the engine and let the coolant heater get to work, before you do.Mar 10, 2020 · Heater Problems - Kenworth 2014 T660 Blowing COLD? No HEAT? QUICK FIX!This video shows you a quick fix on troubleshooting why your heater may not be working ... Elevate your HVAC system with our Standard K142-465ss-2 stainless steel Kenworth HVAC box. Experience heightened airflow with our corrosion-resistant box, tailored for W900, T800, T600, C500 Kenworth trucks produced between mid-1994 and older. Utilize our selection tool for precise fitment. Feel free to reach out with any inquiries at (616) 834 ...

6. Your Heater Valve Is Stuck. The valves in your heater core open to let warm air into the vehicle. If the valves are closed, the warm air doesn’t make it to the truck’s cabin. Sometimes these valves get stuck on the closed position and this …

651291BSM. A33130171A. PTAC2407. SR2000045. 10-1439. 651291 5 pin heater control valve actuator. Free UPS Ground shipping in the lower 48 States and Canada.I've found to happen on both the 780 and 730 style trucks. You can gain access by removing the top cover of the bunk heater, the hook-up for the hoses is on top of the heater core. The clean the core, to try to remove the smell, the best you can with some citrus spray cleaner and rinse with fair amount of water.In sleeper, the fan blows normal, but moving the "cool to warm" knob on sleeper panel has no change- ditto for the three position "max ac to I forgot, to max heat" rocker switch. Cab heat does work, although it seems that I have to move the temp control knob more into the red for heat. This may be due to the sleeper fan moving cool air around.Maintaining your Rinnai water heater is essential for ensuring that it runs efficiently and safely. Here are some tips to help you keep your water heater in top condition: The firs...Description. Bison series 2000A is a 2kW/6800BTU compact forced air furnace. Powerful, quiet and very efficient, it’s designed for air heating applications in cabs/bunks of commercial vehicles, boats and RV’s. This no-idle air heater comes in 12V DC and 24VDC versions, as well as diesel/kerosene or gasoline versions.Apr 7, 2022 ... Share your videos with friends, family, and the world.Oct 11, 2018 · Keep warm without idling your truck. All our trucks are equipped with a bunk heater that will keep you warm in the cold. Kenworth Heater Boxes. . Kenworth HVAC Parts. . Truck Accessories. . Iconic Metal Gear. . Step Boxes and Storage Boxes.OE# K142-433-2, K142-536-2 Kenworth Stainless Bunk Heater. Our K142-433ss-2 bunk heater is a complete stainless steel replacement for the OEM part number K142-433-2. Please call (616) 834-1503 for any fitment questions. SKU: K142-433SS-2.53,941. Aug 8, 2015. 0. I’m not familiar with Kenworths, but usually the cold/warm knob controls the heater hoses. If it’s not working, and when it’s set on cold, hot waters still circulating through the heater core, it will …

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Kenworth power management system, which is available on the flagship T680 and T880 models,has taken another step in performance by adding cab temperature monitoring to its Auto Start and Stop capability. Kenworth also will offer the Espar D4 fuelAirtronic - fired bunk heater, which produces nearly double theKenworth Stainless Bunk Heater. Our stainless steel bunk units are made to replace your current steel OEM sleeper unit. We currently produce three versions of the bunk heater in stainless. Use your OEM part number to …This unit will fit 2002 – 2007 Kenworth W900, T800, T600 trucks. To find the plug & play unit specific to your year and model truck, visit our Kenworth heater box page. The F31-1036ss-3 includes all the parts needed to install the HVAC box on your truck. The following parts are included: 18 gauge stainless box; Heater core; EvaporatorKenworth Temperature Control on HeavyTruckParts.Net. Easily find what you need from 2,648,799 parts available. ... USED USED BUNK TEMPERATURE CONTROL OUT OF A 2015 KENWORTH T680. PN P21-1031. Create Estimate. Part Info ... USED USED KENWORTH T800 HEATER A/C TEMP CONTROL P/N 1000861933. Create Estimate. …It's in the 40's for the most part. So the bunk heater is running. About every hour, the apu starts and runs when the voltage hits 12.2 V. Runs and charges at 14.1 volts for about 10-15 minutes and shuts off. Shows a battery voltage of 12.8 volts. Rinse and repeat all day long. Kenworth Blower Motor Upgrade Kit Install. This post will help you install your Kenworth blower motor upgrade kit. This video will help you install an upgrade kit for the models listed below. Your T660, T270, T300, & T370 trucks will be slightly different, but the material in this post will show almost everything you need to know. W900. T800. 651291BSM. A33130171A. PTAC2407. SR2000045. 10-1439. 651291 5 pin heater control valve actuator. Free UPS Ground shipping in the lower 48 States and Canada.New LCD digital user interface and battery monitoring system. Features on-board service diagnostics, automatic temperature control and check filter function. Energy-efficient and environmentally friendly. Complies with all …1014005 Blower Motor for Kenworth bunk heater. 1 speed 12v CW rotation. Have questions? Call us at (616) 834-1503.SKU: HV4003-001In this video, we install a Kenworth HVAC Box (heater box) on a 2005 W900L. This is a plug & play unit, meaning that all the parts are specific to a certain ... 2025 Kenworth T680. Loaded with Technology and creature comforts! Torque Assisted Steering w/Lane Keep Assist, Collision Mitigation, Bendix Disc Brakes, 300Amp Akternator, Arctic Fox Tank Heaters, Espar bunk Heater. Creature Comforts - Premium Sound System, Leather Heated Seats, Refrigerator, Upper Bunk, Rotating Table in Bunk, Power Package ... ….

Keep warm without idling your truck. All our trucks are equipped with a bunk heater that will keep you warm in the cold.Kenworth Stainless Box - Kenworth Stainless Heater A/C Box Assembly for T300,T370, T600, T660, T800 & W900. Mirror finish available! ... Kenworth Bunk Heater ...Keep warm without idling your truck. All our trucks are equipped with a bunk heater that will keep you warm in the cold. SKU: HV4000-003. Aftermarket Kenworth heater OEM part number sr2000019, 110640, and 110640M. Keep your Kenworth truck warm with our heater core. Fits many of the following Kenworth models: W900, T800, T300, T370, and more. Have questions? The best way to ensure that you get the correct part number is to call your Kenworth dealer and have them look up the part number through your VIN number. You can then purchase your resistor through us by giving us a call (616) 834-1503, or searching on our website. Explore the Kenworth blower motor resistor location in this blog post.“Celebrating over 30 years in business!” Parts lookup. Kenworth bunk heater K142-537. Country Air & Repair, Moorefield, Ontario. Keeping truck drivers warm when it's cold …Assuming you have shutoff valves, on the engine, should be 2 for each heater core. If not, best to have them installed. Good for isolating a leaking core, valve, or hose till you can fix it, without losing all your coolant. Often a heater valve goes bad, and won’t close. A/C doesn’t work well. Just close valves in summertime.OE# K142-433-2, K142-536-2 Kenworth Stainless Bunk Heater $ 1,850.00; 1014005 Blower Motor $ 90.00; V88-1072 Stainless Steel Coolant Tube $ 215.00; Shoreline Truck Parts.How to replace Bunk Heater Unit (A/C & Heater) Kenworth W900..... Builds Done Right. 80 subscribers. Subscribed. 9. 1.3K views 10 months ago. It's time to replace the bunk heater … Kenworth bunk heater, Kenworth Forum > Dead Batteries When Using Bunk Heater ... My International LT would auto start with the bunk heater running, so logic says that this one should too unless it's some Paccar shenanigans that I …, Fits Most Kenworth T600, T660, T800, W900 Models from 1987 - 2014. New Expansion Valve Available as an option for an added cost. High Quality Upgraded Kenworth Heater Box. Direct Aftermarket Replacement for OEM Parts: F31-1036-1, F31-10361, K142-535-1, K1425351. Dimensions: 17.3" (H) x 16.9" (W) Includes: High Quality Heater Box Shell. …, Installation Steps. 1- Initiate the installation of your new heater box. Ensure that the two bolts on the heater box align with the two holes on the firewall. 2- Secure the heater box using the provided nuts and bolts. Insert the top two bolts through the recirculation door flap. Use a wrench on the bolt side and tighten the nuts with a ratchet., Our stainless steel products are built right here in West Michigan. We do our best to keep an ample stock of inventory which allows us to ship most products the same day if received by 2:30 PM EST. Monday – Friday. Shoreline Truck Parts is a leading supplier of heavy duty and medium duty semi-truck parts from heater boxes to coolant tubes., Hii , i have kenworth t680 , and the espar unit and bunk heater pump stop working after 5-7 mins Kenworth T680. Mechanic's Assistant: Im sorry to hear that youre experiencing issues with your Kenworth T680 and the Espar unit and bunk heater pump, but our truck Mechanic will be able to help you diagnose and resolve the problem. Have …, Feb 15, 2022 ... Watch this Joshpaints original as Josh installs a boat heater into a 389 Peterbilt 48" bunk. Forgets to video washing the truck and still ..., Kenworth Forum > Dead Batteries When Using Bunk Heater ... My International LT would auto start with the bunk heater running, so logic says that this one should too unless it's some Paccar shenanigans that I …, Kenworth forgot to install the bunk heater . The company ordered 3 t680 next gens and they came more or less fully loaded which is great. But it's October in Canada and it's getting chilly. ... Paccar contacted us with the kit part numbers to order into the dealership to complete the bunk heaters for our customers. Bunch o 389’s needed them., HVAC Heater Control Valve (74011) by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four Seasons. Application specific design Cable operated design. $36.51., 80 subscribers. Subscribed. 9. 1.3K views 10 months ago. It's time to replace the bunk heater with a stainless unit in the sleeper along with the front floor light. I love these older rigs. I..., Kenworth power management system, which is available on the flagship T680 and T880 models,has taken another step in performance by adding cab temperature monitoring to its Auto Start and Stop capability. Kenworth also will offer the Espar D4 fuelAirtronic - fired bunk heater, which produces nearly double the, Feb 22, 2024 ... ProjectSnowman #twinsticks #twinstickgarage Welcome back to the channel where I'm continuing with the ongoing restoration of this 1979 Kenworth, WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ..., Step 12 – Grind off the top two mounting bolts. Step 13 – Begin removing the interior. In this T800, we removed (3) Phillips head screws from the passenger side kick panel. Step 14 – On this T800, there were 4 caps that hid 4 Phillips head screws (Two on each side of the console). Remove these screws and unhook the cigarette lighter to ..., This is an AC Control for older Kenworth trucks with air operated actuators in the HVAC system. OEM part number K092-269-1 AC Control for Kenworth trucks 2000 and older (It will work for some 2001 model Kenworth trucks.). This is for trucks that have air operated actuators. Comes with wiring harness., OE# K142-433-2, K142-536-2 Kenworth Stainless Bunk Heater. Our K142-433ss-2 bunk heater is a complete stainless steel replacement for the OEM part number K142-433-2. Please call (616) 834-1503 for any fitment questions. SKU: K142-433SS-2., 2025 Kenworth T680. Loaded with Technology and creature comforts! Torque Assisted Steering w/Lane Keep Assist, Collision Mitigation, Bendix Disc Brakes, 300Amp Akternator, Arctic Fox Tank Heaters, Espar bunk Heater. Creature Comforts - Premium Sound System, Leather Heated Seats, Refrigerator, Upper Bunk, Rotating Table in Bunk, Power Package ..., 1000192487BSM. 10-1437. High Quality aftermarket replacement for part number 1000192487BSM electronic Heater valve for Kenworth semi trucks. Free shipping in the lower united states and excellent customer service to help you along the way., Discussion in 'Peterbilt Forum' started by kenworth trucker, May 4, 2014. May 4 ... Hey everyone. I have a 2002 379 and the heater only blows out hot air. the control doesn't adjust it. I took the control out of the dash hoping it was just a mechanical arm that opens and closes the mixing gate. ... You also have the same setup under the bunk ..., Fits Most Kenworth T600, T660, T800, W900 Models from 1987 - 2014. New Expansion Valve Available as an option for an added cost. High Quality Upgraded Kenworth Heater Box. Direct Aftermarket Replacement for OEM Parts: F31-1036-1, F31-10361, K142-535-1, K1425351. Dimensions: 17.3" (H) x 16.9" (W) Includes: , Mar 26, 2014 · An optional fuel-fired heater provides full engine-off heating capability. "The Kenworth Idle Management System is the most robust, battery-powered system on the market," said Brett VanVoorhis, Kenworth on-highway marketing manager. "The system eliminates the need to idle the engine to run the HVAC system. , Jun 11, 2008 · In sleeper, the fan blows normal, but moving the "cool to warm" knob on sleeper panel has no change- ditto for the three position "max ac to I forgot, to max heat" rocker switch. Cab heat does work, although it seems that I have to move the temp control knob more into the red for heat. This may be due to the sleeper fan moving cool air around. , 1014005 Blower Motor for Kenworth bunk heater. 1 speed 12v CW rotation. Have questions? Call us at (616) 834-1503.SKU: HV4003-001, A bunk heater, flat screen TV, premium sound system and factory-installed inverter with optional shore power are available for additional comfort. The many driver comfort amenities help give the Kenworth T680's 52-inch mid-size sleeper the feel of a larger sleeper. Kenworth 52-inch Mid-Roof Sleeper, Sep 16, 2023 · Hii , i have kenworth t680 , and the espar unit and bunk heater pump stop working after 5-7 mins Kenworth T680 Mechanic's Assistant: Im sorry to hear that youre experiencing issues with your Kenworth T680 and the Espar unit and bunk heater pump, but our truck Mechanic will be able to help you diagnose and resolve the problem. , Bunk Heater - Shoreline Truck Parts. K142-542-1, F31-1320-100 Stainless Steel Shell Only. $ 595.00 Add to cart. OE# K142-433-2, K142-536-2 Kenworth Stainless Bunk Heater. $ …, Vvkb Bunk Heaters Enjoy your winter with Vvkb Bunk Heaters Vvkb Bunk Heaters Apollo-V1 bunk heater Apollo-V2 bunk heater Apollo-C1 bunk heater Apollo-C2 bunk heater Apollo-C3 bunk heater VVKB Bunk Heater is not only suitable for trucks, but also for boats, caravans, campers and small space room that need to heat.VVKB engineers …, YouTube, crash. 5. When you want to get out of the cab, release the latch, then just push the button on the buckle. Komfort-Lok®. 1-24. View and Download Kenworth T680 instruction manual online., Director of Maintenance Brad Bournes explains how to operate and maintain your bunk heater. Let us know what you would like to see next!About RTI:Riverside T..., Kenworth also will offer the Espar Airtronic D4 fuel-fired bunk heater, which produces nearly double the BTUs of Espar’s previous generation heater. Kenworth T680 76-inch Sleeper “For operators who run in cold temperatures, or shut down for a 34-hour reset, our new offerings give a one-two punch in vehicle performance and driver comfort ..., 14,962. 29,144. Oct 3, 2011. Longview, TX. 0. For bunk/cab heat only and if money s a concern, webasto/espar fuel heaters provide a big benefit for the buck but lack other benefits such as keeping batteries charged while running inverter, providing block heating, cooling in winter etc., This fresh air intake can be found on the Kenworth W900, T800, T600, T450, T400, and so on starting from about 1987 to at least 2022. The Kenworth W900B around 1984 – 1986 had a metal fresh-air intake that can not be replaced by this part number. (Hint: the entire box can be replaced in these W900Bs)