Heater Boxes for T270, T300, T370

F31-1037ss-1

Base Model

(Most Assembly Required)
Starting Price: $1,165

F31-1037ss-2

Standard Model

(Some Assembly Required)
Starting Price: $1,595

F31-1037-1

Premium Model

(Plug and Play)
Starting Price: $1,950

Base Model Kenworth HVAC Box

Our base model, is the most universal among the Kenworth HVAC boxes that we produce. We currently offer two options of this unit the F31-1036SS-1 for heavy-duty W900, T800, T600 etc and the F31-1037SS-1 for your medium-duty T270, T300, T370 etc.

Our base model could be considered our economical option as it comes with less parts than our standard and premium models. Our base model would be great for an individual who plans to reuse many of their old parts and is ok with using  a little bit more elbow grease. Still have questions? Give us a call at (616) 834-1503.

This model includes:

  • Stainless Steel Shell
  • Upgraded Blower Motor
  • Gasket Set
F31-1037ss-1 Front

F31-1037ss-1 Medium-duty HVAC Box

“Bought one for a truck at work great unit easy to install better than oem.”

Showing the single result

  • F31-1037ss-1

    T270, T300, T370 (Motor, Gasket, Shell)

    Kenworth stainless steel heater box for T270, T300, T370 model trucks. Includes blower motor, gasket set, and stainless shell (box). Have questions? Call us at (616) 834-1503. SKU: F31-1037SS-1
    $1,165.00 Add to cart

Standard Model Kenworth HVAC Box

Our standard model is a little less universal than the base model, but does not require as much elbow grease. This model is divided into several groups, a medium duty truck group, a heavy duty truck group, and then the year of your truck. Still have questions? Give us a call at (616) 834-1503.

This model includes:

  • Stainless Steel Shell
  • Upgraded Blower Motor
  • Installed Gasket Set
  • Heater Core
  • Evaporator
  • Expansion valve
  • Freeze Switch
F31-1220ss-2

Standard Style Medium-duty HVAC box

“Great company to deal with! Fast shipping and great communication, definitely recommend l!!”

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  • F31-1037ss-2

    T270, T300, T370 (1999 – 2014) KW Heater Box

    Upgrade your HVAC system with our Standard F31-1037ss-2 stainless steel Kenworth HVAC box. Experience heightened airflow with our corrosion-resistant box, crafted for T270, T300, T370, T440, and T470 Kenworth trucks manufactured to mid-2014 and older. Use our selection tool for precise fitment. If you have any inquiries, feel free to contact us at (616) 834-1503....
    $1,645.00 Add to cart
  • F31-1220ss-2

    T270, T300, T370 (Mid-2014 to Newer) Kenworth Heater Box

    Elevate your HVAC system with our Standard F31-1220ss-2 stainless steel Kenworth HVAC box. Enjoy enhanced airflow with our corrosion-resistant box, designed for T270, T300, T370, T440, and T470 Kenworth trucks mid-2014 and newer. Utilize our selection tool for precise fitment. For any inquiries, don't hesitate to reach out to us at (616) 834-1503. Take advantage...
    $1,645.00 Add to cart

Premium Model Kenworth HVAC Box

Our premium models are the most plug & play units that we produce. They include the fresh air intake, the stainless door These units are great for those looking for a one and done solution. Still have questions? Give us a call at (616) 834-1503.

This model includes:

  • Stainless Steel Shell
  • Upgraded Blower Motor
  • Installed Gasket Set
  • Heater Core
  • Evaporator
  • Expansion valve
  • Freeze Switch
  • Wiring harness
  • Actuator
  • Installed fresh-air intake
F31-1064-12ss-3
“Extremely satisfied and worth every penny. The quality, fit, and finish is spot on..”

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  • F31-1220-12ss-3

    T270, T300, T370 (Mid-2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box

    Enhance your Kenworth's HVAC efficiency with our top-tier stainless steel HVAC box assembly, flawlessly replacing OEM part numbers F31-1291-12101, F31-1064-12101, F31-1107-11111, and F31-1293-11111. Specifically crafted for medium-duty mid-2007 to mid-2014 Kenworth T270, T300, T370, T440, and T470 model trucks. Employ our selection tool for a precise fit. Guarantee a rust-free future and a seamless installation process. Revel in improved airflow with our advanced unit. Arriving fully assembled and ready for mounting, it's the HVAC upgrade your system merits. For inquiries or to initiate your upgrade, contact us at (616) 834-1503. SKU: F31-1064-12SS-3
    $2,195.00 Add to cart
  • F31-1220-12ss-3

    T270, T300, T370 (Mid-2014 – Newer) Plug & Play Kenworth Heater Box

    Upgrade your Kenworth's HVAC performance with our premium stainless steel HVAC box assembly, seamlessly replacing OEM part numbers F31-1220-12101, F31-1287-12104, and F31-1220-12104. Tailored for medium-duty mid-2014 Kenworth and newer T270, T300, T370, T440, and T470 model trucks. Utilize our selection tool for an exact fit. Ensure a rust-free future and a hassle-free installation. Experience improved airflow with our advanced unit. Fully assembled and prepared for mounting, it's the HVAC upgrade your system deserves. For inquiries or to kickstart your upgrade, reach out to us at (616) 834-1503. SKU: F31-1220-12SS-3
    $2,395.00 Add to cart
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