Keep coolant moving to your heater core with the Dorman - OE Solutions HVAC Heater Hose Assembly 626-593. This pre-formed heater hose assembly routes engine coolant between the cooling system and the heater core, and it installs as a direct-fit replacement for the 1996-1999 Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban and K2500 Suburban, the 1996-2000 Chevrolet Tahoe, the 1996-1999 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban and K2500 Suburban, and the 1996-2000 GMC Yukon.
- Coolant routing: Carries engine coolant to and from the heater core so warm air can reach the cabin.
- Pre-formed assembly: Shaped to route through the listed applications for a straightforward installation.
- Direct-fit replacement: Engineered to replace a hose assembly that is leaking, cracked, or has failed with age on the listed applications.
If a leaking or deteriorated heater hose is the cause of coolant loss, a wet floor, or weak cabin heat, this assembly replaces the original. Inspect the cooling system and confirm the leak source before replacing.
Interchange: 15708625 · Manufacturer part number 626-593 (also 626593)
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this heater hose assembly do?
It routes engine coolant between the cooling system and the heater core, allowing the heater to warm the cabin air.
Which vehicles does the Dorman 626-593 fit?
It fits the 1996-1999 Chevrolet and GMC C1500, C2500, K1500 and K2500 Suburban, plus the 1996-2000 Chevrolet Tahoe and GMC Yukon. See the Buyer's Guide tab to confirm your vehicle.
What number does this part interchange with?
It cross-references OE number 15708625. Its own manufacturer part number is 626-593.
What are signs this heater hose may need replacing?
Coolant seepage or drips, a cracked or swollen hose, low coolant, a wet passenger floor, or weak cabin heat may indicate a failing hose.
Is this a direct-fit replacement?
Yes, it is a direct-fit replacement for the listed applications. Confirm your specific vehicle in the Buyer's Guide before ordering.
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