Gates 21776 upper radiator coolant hose for the 1985-1991 Chevrolet G20 V8 6.2L and other vehicles carries coolant between the engine and the radiator. This Gates molded coolant hose is pre-shaped to fit and to seal at its connections.
- Specifically engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- EPDM tube with synthetic fiber knit reinforcement and a heat-, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4 class D2 and DIN 73411 class A, except for tolerances
- Temperature range from -40°F to +257°F (-40°C to +125°C)
Quick facts
- Part: Gates 21776 radiator coolant hose
- Fits: 1985-1991 Chevrolet G20 V8 6.2L and other vehicles
- Position: Upper
- Material: EPDM
- Condition: New
Overheating, a swollen hose or coolant seepage at an end can mean this hose is worn, though a faulty thermostat or radiator cap can be behind them too, so pin down the cause before replacing it.
Fits
As an upper radiator coolant hose, it also fits the 1985-1991 Chevrolet G30 V8 6.2L and the 1985-1991 GMC G2500 V8 6.2L. Owners of other vehicles can find their year, model and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Upper
- Centerline length: 742 mm (29.2 in)
- End 1 and end 2 inside diameter: 44 mm (1.75 in)
- Quantity per vehicle: 1
Build and materials
- Material: EPDM
- Construction: molded
- Contains spring: No
- Condition: New
- Country of origin: United States
In the box
One radiator coolant hose. This listing holds one hose, and each vehicle takes one.
Installation notes
- Replace the hose clamps each time a new coolant hose is installed.
- Not for fuel or oil transfer applications.
Interchange: MH-4776 · 14-2581-2 · KM-3124
26175X · 61602 · 71388 · E71388 · 15597400 · 15622206 · 8466
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
26175X, MH-4776, 14-2581-2, 21776, 61602, 71388, E71388, 15597400, 15622206, KM-3124, 8466
Frequently Asked Questions
Does the Gates 21776 upper radiator coolant hose fit the 1985-1991 GMC G2500 V8 6.2L?
Yes. Gates 21776 fits the 1985-1991 GMC G2500 V8 6.2L, as it does the 1985-1991 Chevrolet G30 V8 6.2L.
What size are the ends on this upper radiator hose?
Gates 21776 has a 44 mm (1.75 in) inside diameter at both ends and a centerline length of 742 mm (29.2 in).
What temperatures can this Gates coolant hose handle?
The hose handles -40°F to +257°F (-40°C to +125°C). It meets SAE 20R4 class D2 and DIN 73411 class A, except for tolerances.
How can I tell if my upper radiator hose is going bad?
With the engine off and cool, look for cracks, swelling or coolant seepage at the ends. A shop can pressure-test the cooling system if the cause is unclear.
Do the hose clamps need replacing when I put on a new coolant hose?
Yes. Replace the hose clamps each time a new coolant hose is installed. This hose is for coolant only, not for fuel or oil transfer.
