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.

Guarantee a rust-free future and a trouble-free installation. 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. Free UPS Ground shipping.

Fitment:

The fitment year ranges provided may not always be entirely accurate, especially for units manufactured in the first or last year of the range. Additionally, glider trucks often fall outside typical year-range classifications. To ensure you select the correct part, please verify that your unit matches one of the OEM cross-references listed below or meet all the following criteria:

• Your truck is a T660
• Your expansion valve has two ports on the front for the high and low switches
• Your evaporator and expansion valve are threaded and not the push in style
• Your fresh air disasemmbles and has a replaceable filter
• Your truck is a day cab or you plan to not run AC to your bunk unit

Cross references:

• F31-1064-11122
• F31-1291-11122

Includes:

• Evaporator
• Heater core
• Expansion valve
• Thermal switch
• Fresh air intake
• Receiver drier
• Hardlines from expansion valve (attached to box)
• Gaskets
• Fasteners