Four Seasons HVAC Heater Core P/N:91499
Push steady warm air into the cab with the Four Seasons heater core 96126, an aluminum heater core that circulates hot engine coolant through its tubes while the blower forces cabin air across the fins to transfer that heat into the interior and feed the defrost system. It installs as a direct-fit replacement engineered for O.E. fit, form and function on the 1994-2008 Peterbilt 357, the 1994-2007 Peterbilt 378 and 379, the 1995-2008 Peterbilt 385, and the 1994-2001 Peterbilt 377. See the Buyer's Guide tab to confirm the exact engine and year for your truck.
Backed by Four Seasons' decades of mobile A/C and heating experience. If a leaking or clogged heater core is the cause of weak cabin heat, this replaces it.
Interchange: 1000222851 · 938075 · ZGG710100 · 8231610 · 1717014 · 6928 · 3W2243150000 · 556126 · 2756949 · B20011S · 600002 · 600028 · 1812040 · 99434 · HT400056
This part cross-references / interchanges with the following part numbers:
What is the Four Seasons hvac heater core 96126?
It's an aluminum heater core that transfers heat from the engine coolant to cabin air pushed across its fins by the blower, warming the cab and feeding the defrost system.
Which trucks does this heater core fit?
It's a direct-fit replacement for the 1994-2008 Peterbilt 357, 1994-2007 Peterbilt 378 and 379, 1995-2008 Peterbilt 385, and 1994-2001 Peterbilt 377. Check the Buyer's Guide tab to confirm your truck.
What is the core made of?
Aluminum.
What are the signs a heater core may need replacing?
Weak or no heat from the vents, a sweet coolant smell inside the cab, interior window fogging, or coolant residue on the floor can point to a failing heater core.
Are seals or fasteners included?
The facts don't list additional hardware. Consult the vehicle service information for the correct seals and fasteners and whether any originals may be reused.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.