Home > Kenworth Heater Box > T660 (Mid-2014 & Newer Sleeper Cabs) Plug & Play Kenworth Heater Box

T660 (Mid-2014 & Newer Sleeper Cabs) Plug & Play Kenworth Heater Box


Upgrade your truck’s HVAC system with our premium stainless steel assembly, designed to be a seamless replacement for OEM part number F31-1220-11122. Crafted for some 2014 Kenworth T660 model trucks with sleepers and all 2015 and newer T660 trucks with sleeper cabs. This cutting-edge unit ensures you’ll never have to deal with rust issues again.

Experience  increased airflow, and save valuable time with our hassle-free installation. No need to worry about putting it all together – this unit comes fully assembled and ready to mount.

Elevate your driving experience and say goodbye to ordinary HVAC systems. Transform your truck’s performance effortlessly. Have questions or ready to make the upgrade? Call us now at (616) 834-1503 and take the first step towards a superior ride. Have questions? Give us a call at (616) 834-1503.

SKU: F31-1220-22ss-3


  • Evaporator
  • Heater Core
  • Blower Motor
  • Expansion Valve
  • Thermostatic Switch
  • Electronic Operated Door Actuator
  • Gaskets
  • Fresh air intake and door weldment
  • High/low switches
  • Stainless fasteners

Immerse yourself in quality with our meticulously crafted boxes, forged from robust 18-gauge 304 stainless steel. What sets us apart from the crowd? We go the extra mile by spot welding our boxes for unmatched strength – a feature often overlooked by other aftermarket competitors.

But that's not all. Elevate your satisfaction with free shipping, not just within the lower 48 states but also Canada. Because when you choose us, it's not just about the product; it's about an uncompromising commitment to durability, strength, and delivering excellence to your doorstep.

OEM Cross References:

  • F31-1220-11122

Additional information

Weight 52 lbs
Dimensions 25 × 25 × 21 in





2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022


There are no reviews yet.

Be the first to review “T660 (Mid-2014 & Newer Sleeper Cabs) Plug & Play Kenworth Heater Box”

Your email address will not be published. Required fields are marked *

My cart
🎁 Only $50.00 away from free shipping to
Your cart is empty.

Looks like you haven't made a choice yet.