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Kenworth Heater Box

Increased Air Flow | Made with Durable Stainless Steel | Fabricated in The USA

(Mid-1994 to Mid-2001) Plug & Play Kenworth Heater Box

Premium Model

SKU: K142-535SS-3

Starting Price: $2094

Learn More
(KW 87 - 94) Kenworth Heater Box

Premium Model

SKU: K142-465SS-2

Starting Price: $1757

Learn More

Increased Air Flow | Made with Durable Stainless Steel | Fabricated in The USA

Enhance your driving comfort with our stainless steel Kenworth heater boxes, meticulously crafted in the USA from premium stainless steel. Unlike typical OEM options, our HVAC box ensures increased airflow, guaranteeing a comfortable driving environment. Embrace durability as stainless steel resistance to rust promises a reliable and enduring solution for your Kenworth’s climate control needs.

We offer three versions of the Kenworth HVAC box; the Premium Model, Standard Model, and Base Model. Our Premium Models are fully plug & play and are more year and model specific, while our Standard & Base models are more versatile, fitting a wider array of years and models. Browse through our HVAC boxes below or give us a call with any questions that you may have (616) 834-1503.

The Standard model includes:

  • Stainless Steel Shell
  • Upgraded Blower Motor
  • Installed Gasket Set
  • Evaporator
  • Expansion Valve
  • Freeze Switch
  • Heater Core
“Ordered two stainless units for our Kenworth trucks. With Shorelines instructions installation went great! - Clyde Martin”
(Mid-1994 & Earlier) Plug & Play Kenworth Heater Box

(Mid-1994 & Earlier) Plug & Play Kenworth Heater Box (Premium)

SKU: K142-465SS-3

This stainless steel HVAC assembly part# K142-465SS-3 has all the bells and whistles. It fits 1994 & older Kenworths to 1987 W900 A and ...

$2304.00
(KW 87 - 94) Kenworth Heater Box

(KW 87 - 94) Kenworth Heater Box (Standard)

SKU: K142-465SS-2

Elevate your HVAC system with our Standard K142-465ss-2 stainless steel Kenworth HVAC box. Experience heightened airflow with our corrosion-resistant box, ta...

$1757.00
(Mid-1994 to Mid-2001) Plug & Play Kenworth Heater Box

(Mid-1994 to Mid-2001) Plug & Play Kenworth Heater Box (Premium)

SKU: K142-535SS-3

Upgrade your truck’s HVAC system with our premium stainless steel HVAC box assembly, designed to be a seamless replacement for OEM part number K142-535...

$2094.00
(KW 1995 -2014) Kenworth Heater Box

(KW 1995 -2014) Kenworth Heater Box (Standard)

SKU: F31-1036SS-2

Upgrade your HVAC system with our Standard F31-1036ss-2 stainless steel Kenworth HVAC box. Enjoy increased air flow with our corrosion resistant box designed...

$1674.00
(Mid-2001 to Mid-2007) Plug & Play Kenworth Heater Box

(Mid-2001 to Mid-2007) Plug & Play Kenworth Heater Box (Premium)

SKU: F31-1036SS-3

Our boxes are built with 18 gauge 304 stainless steel. Unlike most aftermarket competitors, we spot weld our boxes for added strength and a tighter seal. Our...

$2094.00
(KW 1995 -2014) Kenworth Heater Box

(KW 1995 -2014) Kenworth Heater Box (Standard)

SKU: F31-1036SS-2

Upgrade your HVAC system with our Standard F31-1036ss-2 stainless steel Kenworth HVAC box. Enjoy increased air flow with our corrosion resistant box designed...

$1674.00
(Mid-2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box

(Mid-2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box (Premium)

SKU: F31-1072-10SS-3

Enhance your Kenworth’s HVAC system with our premium stainless steel box assembly, providing a seamless replacement for OEM part numbers F31-1072-11110...

$2514.00
(KW 1995 -2014) Kenworth Heater Box

(KW 1995 -2014) Kenworth Heater Box (Standard)

SKU: F31-1036SS-2

Upgrade your HVAC system with our Standard F31-1036ss-2 stainless steel Kenworth HVAC box. Enjoy increased air flow with our corrosion resistant box designed...

$1674.00
(Mid 2007 - Mid 2014 Sleeper Cabs) Plug & Play Kenworth Heater Box

(Mid 2007 - Mid 2014 Sleeper Cabs) Plug & Play Kenworth Heater Box (Premium)

SKU: F31-1072-20SS-3

Upgrade your Kenworth’s HVAC system with our premium stainless steel box assembly, seamlessly replacing OEM part numbers F31-1072-11120 and F31-1292-11...

$2514.00
(KW 1995 -2014) Kenworth Heater Box

(KW 1995 -2014) Kenworth Heater Box (Standard)

SKU: F31-1036SS-2

Upgrade your HVAC system with our Standard F31-1036ss-2 stainless steel Kenworth HVAC box. Enjoy increased air flow with our corrosion resistant box designed...

$1674.00
(Mid-2014 & Newer Day Cabs) Plug & Play Kenworth Heater Box

(Mid-2014 & Newer Day Cabs) Plug & Play Kenworth Heater Box (Premium)

SKU: F31-1221-10SS-3

Enhance your Kenworth's HVAC system with our premium stainless steel box assembly, effortlessly replacing OEM part numbers F31-1221-11110 and F31-1288-11110....

$2514.00
(Mid-2014 & Newer) Kenworth Heater Box

(Mid-2014 & Newer) Kenworth Heater Box (Standard)

SKU: F31-1288SS-2

Enhance your HVAC system with our Standard F31-1288ss-2 stainless steel Kenworth HVAC box. Enjoy increased airflow with our corrosion-resistant box, designed...

$1674.00
T660 (Mid-2014 & Newer Sleeper Cabs) Plug & Play Kenworth Heater Box

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

SKU: F31-1220-22SS-3

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...

$2724.00
(Mid-2014 & Newer) Kenworth Heater Box

(Mid-2014 & Newer) Kenworth Heater Box (Standard)

SKU: F31-1288SS-2

Enhance your HVAC system with our Standard F31-1288ss-2 stainless steel Kenworth HVAC box. Enjoy increased airflow with our corrosion-resistant box, designed...

$1674.00

Kenworth T660 HVAC Boxes

(Mid-2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box

T660 (2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box (Premium)

SKU: F31-1072-10SS-3

Enhance your Kenworth’s HVAC system with our premium stainless steel box assembly, providing a seamless replacement for OEM part numbers F31-1072-11110...

$2514.00
(KW 1995 -2014) Kenworth Heater Box

(KW 1995 -2014) Kenworth Heater Box (Standard)

SKU: F31-1036SS-2

Upgrade your HVAC system with our Standard F31-1036ss-2 stainless steel Kenworth HVAC box. Enjoy increased air flow with our corrosion resistant box designed...

$1674.00
(KW 1995 -2014) Kenworth Heater Box

(KW 1995 -2014) Kenworth Heater Box (Standard)

SKU: F31-1036SS-2

Upgrade your HVAC system with our Standard F31-1036ss-2 stainless steel Kenworth HVAC box. Enjoy increased air flow with our corrosion resistant box designed...

$1674.00
T660 Day Cab, T440/T470 Plug & Play Kenworth Heater Box

T660 Day Cab, T440/T470 Plug & Play Kenworth Heater Box (Premium)

SKU: F31-1220-11SS-3

Elevate your HVAC system with our Premium (plug & play) stainless steel Kenworth HVAC box. Enjoy enhanced airflow with our corrosion-resistant box, desig...

$2724.00
(Mid-2014 & Newer) Kenworth Heater Box

(Mid-2014 & Newer) Kenworth Heater Box (Standard)

SKU: F31-1288SS-2

Enhance your HVAC system with our Standard F31-1288ss-2 stainless steel Kenworth HVAC box. Enjoy increased airflow with our corrosion-resistant box, designed...

$1674.00
T660 (Mid-2014 & Newer Sleeper Cabs) Plug & Play Kenworth Heater Box

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

SKU: F31-1220-22SS-3

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...

$2724.00

Medium Duty Trucks

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

T270, T300, T370 (1999 - 2014) KW Heater Box (Standard)

SKU: F31-1037SS-2

Upgrade your HVAC system with our Standard F31-1037ss-2 stainless steel Kenworth HVAC box. Experience heightened airflow with our corrosion-resistant box, cr...

$1727.00
T270, T370 (Mid-2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box

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

SKU: F31-1064-12SS-3

Enhance your Kenworth’s HVAC efficiency with our top-tier stainless steel HVAC box assembly, flawlessly replacing OEM part numbers F31-1291-12101, F31-...

$2304.00
T270, T370 (Mid-2007 to Mid-2014 Day Cabs) Plug & Play Kenworth Heater Box

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

SKU: F31-1064-12SS-3

Enhance your Kenworth’s HVAC efficiency with our top-tier stainless steel HVAC box assembly, flawlessly replacing OEM part numbers F31-1291-12101, F31-...

$2304.00
T270, T300, T370 (Mid-2014 to Newer) Kenworth Heater Box

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

SKU: F31-1220SS-2

Elevate your HVAC system with our Standard F31-1220ss-2 stainless steel Kenworth HVAC box. Enjoy enhanced airflow with our corrosion-resistant box, designed ...

$1727.00

K100E

Kenworth K100E Standard HVAC Box

Kenworth K100E Standard HVAC Box (Standard)

SKU: K142-464SS-2

Finally a stainless steel HVAC Box for your Kenworth K100E. This box includes a blower motor, evaporator, heater core, and the air-operated actuators. Have que...
$2257.00
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