Kenworth T800 Stainless Steel HVAC Box
Complete heater and A/C box assemblies engineered for corrosion resistance in harsh winter and road salt conditions.
Corrosion resistant design • Compatible with T800 Series
Why OEM T800 HVAC Boxes Fail
OEM HVAC boxes are highly vulnerable to corrosion in harsh operating environments
- Rapid rust and corrosionEspecially in salted highways and northern winters
- Frequent heater core failuresLeading to costly downtime
- Expensive repeated repairsSteel boxes degrade quickly in harsh conditions
Built for Harsh Fleet Environments
Built from the ground up to withstand harsh operating environments while delivering reliable long-term performance.
- Heavy-gauge 304 stainless steel constructionResists road salt, moisture, and temperature extremes
- Complete plug-and-play assemblyIncludes heater core, evaporator, expansion valve, and blower motor
- Precision engineered fitmentDirect replacement for Kenworth T800 factory HVAC boxes
Everything You Need in One Box
Stainless Steel Box
Heavy duty 304 stainless construction resists corrosion far beyond OEM materials.
Full Component Assembly
Ready-to-install with all critical HVAC components pre-installed and tested.
Heater Core • Evaporator Core • Expansion Valve • Blower Motor
Fleet Optimized
Complete replacement assembly designed to reduce installation time and get trucks back on the road faster.
1987-Current • T800 Series
Compatibility
Direct fit for popular Kenworth T800 configurations
- T800
- T800B
- T800 Wide Hood
- Classic T800
Years: 1987-Current. Confirm exact fitment with VIN.
OEM vs Truck Parts Line Stainless
| OEM HVAC Box | TPL Stainless Steel Box | |
|---|---|---|
| Corrosion Resistance | Low, prone to rust | Excellent, 304 stainless |
| Service Life | Limited in harsh conditions | Extended durability |
| Winter / Salt Durability | Poor | Superior |
| Maintenance Frequency | High | Low |
| Fleet Downtime Impact | Significant | Minimal |
| Warranty | Limited | Lifetime Box Warranty |
Built for fleets and professional shops
Trusted by large fleet operators, Kenworth dealerships, and independent repair facilities across North America.
- Large trucking fleets
- Kenworth dealerships
- Heavy duty repair shops
Volume pricing and dedicated support
Frequently Asked Questions
Is this HVAC box compatible with Kenworth T800?
Yes. This stainless steel HVAC box assembly is designed for compatible Kenworth T800, T800B, and related applications. Dealers and fleets should confirm fitment using the truck’s VIN and cab configuration before ordering.
What is included with the T800 HVAC box assembly?
Each unit ships as a complete assembly with the stainless steel box, heater core, evaporator, expansion valve, blower motor, and related installed components, helping reduce sourcing time for service departments.
Why choose stainless steel instead of the OEM box?
Our 304 stainless steel box is built to resist rust and corrosion caused by road salt, moisture, and harsh operating conditions. This helps reduce repeat replacements and long-term maintenance issues.
Do you offer dealer and fleet pricing?
Yes. We support dealerships, distributors, repair facilities, and fleet operators with volume pricing, recurring supply programs, and pallet-order options.
Where do you ship from?
We support North American customers through warehouse and fulfillment locations in California and Vancouver, helping dealers and fleets receive orders faster across the USA and Canada.
Is there a warranty on the stainless steel box?
Yes. The stainless steel HVAC box is backed by a lifetime warranty on the stainless steel box, giving dealers and fleets added confidence when replacing rust-prone OEM boxes.