Dayco 87848 heater hose for the 1999-2001 Chevrolet Silverado 1500 V8 4.8L, the 1999-2006 Silverado 1500 V8 5.3L and other vehicles routes hot engine coolant to and from the cabin heater. Some catalogs list it as an HVAC heater hose.
- Heater-circuit connections: heater to valve, heater to engine, heater to thermostat, heater inlet, auxiliary heater inlet and tee-2 to pipe
- Sold individually: one hose per listing
Quick facts
- Part: Dayco 87848 heater hose
- Also called: HVAC heater hose
- Fits: the 1999-2001 Chevrolet Silverado 1500 V8 4.8L, the 1999-2006 Silverado 1500 V8 5.3L and other vehicles
- Position: heater to valve, heater to engine, auxiliary heater inlet, heater to thermostat, heater inlet, heater hose, tee-2 to pipe
- Condition: New
A leaking, cracked, swollen or soft hose, coolant stains at its ends or a heater that blows cool air can all mean the hose is wearing out. Before you replace it, rule out a low coolant level (check it only with the engine cool) and a thermostat or heater core fault.
Fits
This heater hose also fits the 1999-2001 GMC Sierra 1500 V8 4.8L, the 1999-2006 Sierra 1500 V8 5.3L, the 2001 Sierra 1500 V8 6.0L, the 2000-2001 Chevrolet Tahoe V8 4.8L and the 2001-2006 Tahoe V8 5.3L. Many other trucks, vans and cars are covered too, so look up your own year and engine under the "Vehicles it fits" section. This listing is one hose, and each application named above takes one.
Specifications
- Position: heater to valve, heater to engine, auxiliary heater inlet, heater to thermostat, heater inlet, heater hose, tee-2 to pipe
- Quantity per vehicle: varies by vehicle
- Condition: New
Interchange: 626-564
18074L · 18279L · 18914 · 19283 · 64133 · 10914 · 11283
This part cross-references / interchanges with the following part numbers:
18074L, 18279L, 18914, 19283, 64133, 626-564, 10914, 11283, F7UZ-18472-HA, F7UZ-18472-PA, F7UZ-18472-UA, F7UZ-18472-UB, 15024548, 15050766, 15051852, 15051853, 15145587, 15195404, 15647934, 15710396, 15710397, 15746405, 15763368, 19421434, TA01-61-211A
Frequently Asked Questions
Is Dayco 87848 the right heater hose for a 2001-2006 Chevy Tahoe V8 5.3L?
Yes. Dayco 87848 fits the 2001-2006 Chevrolet Tahoe V8 5.3L and the 2000-2001 Tahoe V8 4.8L. This listing is one hose.
Will this heater hose fit a 1999-2006 GMC Sierra 1500 V8 5.3L?
Yes. Dayco 87848 fits the 1999-2006 GMC Sierra 1500 V8 5.3L, the 1999-2001 Sierra 1500 V8 4.8L and the 2001 Sierra 1500 V8 6.0L. Other vehicles can be looked up by year and engine in the "Vehicles it fits" section.
Which heater connections is Dayco 87848 listed for?
The catalog lists it for heater to valve, heater to engine, heater to thermostat, heater inlet, auxiliary heater inlet and tee-2 to pipe connections.
How can I spot a worn heater hose by looking at it?
With the engine off and cool, look along the hose and at both ends for coolant stains, cracks, or a swollen or soft spot. A shop can pressure-test the cooling system if you cannot find a leak.
Does Dayco 87848 replace a part numbered 626-564?
Yes. 626-564 is one of the cross-reference numbers listed for Dayco 87848, along with 18074L, 18279L and 18914, among others.
