Gates 20838 upper radiator coolant hose for the 1975-1979 Chevrolet G10 V8 5.7L, the 1976 G10 V8 6.6L, the 1977-1979 G10 V8 5.0L and other vehicles carries coolant between the engine and the radiator. This Gates radiator coolant hose is molded and pre-shaped to fit and to seal.
- Materials engineered to 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: -40 °F to +257 °F (-40 °C to +125 °C)
Quick facts
- Part: Gates 20838 radiator coolant hose
- Fits: the 1975-1979 Chevrolet G10 V8 5.7L, the 1976 G10 V8 6.6L, the 1977-1979 G10 V8 5.0L and other vehicles
- Position: Upper
- Material: EPDM
- Condition: New
A worn coolant hose can show up as coolant stains at the ends, a swollen or soft spot, cracks or a falling coolant level. With the engine off and cool, look the hose over and press along it for bulges or soft areas. Leaks and overheating can have other causes, so find the cause before you replace it.
Fits
This radiator coolant hose also fits the 1975-1979 Chevrolet G30 V8 5.7L or 6.6L, the 1978-1979 G30 V8 5.0L and the 1979 GMC G1500 V8 5.0L, 5.7L or 6.6L. If your car is not named here, open the "Vehicles it fits" section and check your exact model and engine.
Specifications
Fit and size
- Position: Upper
- Quantity per vehicle: 1
- Centerline length: 28.9 in (734 mm)
- End 1 inside diameter: 1.5 in (38 mm)
- End 2 inside diameter: 1.5 in (38 mm)
Build and materials
- Construction: Molded
- Material: EPDM
- Reinforcement: synthetic fiber knit
- Contains spring: No
- Condition: New
- Country of origin: United States
In the box
One radiator coolant hose. Each vehicle takes one.
Installation notes
- Replace the hose clamps each time a new coolant hose goes on.
- Do not use this hose for fuel or oil transfer.
Interchange: MH-890 · 14-1898-6 · 740 205
26024X · MH344 · F10984 · 335275 · 6262569 · 7582 · C0838
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
26024X, MH-890, MH344, 14-1898-6, 20838, F10984, 335275, 6262569, 7582, 740 205, C0838
Frequently Asked Questions
Will Gates 20838 fit a 1979 GMC G1500 V8 5.7L?
Yes, Gates 20838 fits the 1979 GMC G1500 with the V8 5.0L, 5.7L or 6.6L, and each takes one. For other years or engines, open the "Vehicles it fits" section.
What temperature range does this Gates coolant hose handle?
It handles -40 °F to +257 °F (-40 °C to +125 °C). The EPDM cover resists heat, ozone and chemical coolants.
What size are the ends on Gates 20838?
Both ends have a 1.5 in (38 mm) inside diameter, and the centerline length is 28.9 in (734 mm).
Can this Gates molded coolant hose carry fuel or oil?
No. This hose is for coolant only and is not meant for fuel or oil transfer.
Do I need new clamps when I put this hose on?
Yes, plan on new hose clamps each time a new coolant hose goes on. This listing is the hose only.
