Keep coolant circulating and hold engine temperature in check with the Gates Radiator Coolant Hose (P/N 21385), a premium molded hose built to OEM-quality specifications so you can skip the trip to the OE dealer. It drops in as a direct-fit replacement for the 1983-1993 Chevrolet S10, 1983-1989 Chevrolet S10 Blazer, 1983-1990 GMC S15, 1983-1989 GMC S15 Jimmy and 1991-1993 GMC Sonoma, all with the V6-2.8L engine.
- Pre-shaped fit: molded to the application to seat and seal without cutting or forcing.
- Collapse-resistant: specifically-engineered materials resist collapse under vacuum.
- Electrochemical resistance: engineered to resist electrochemical degradation, the leading cause of hose failure.
- Construction: EPDM tube, synthetic fiber knit reinforcement, and a heat-, ozone- and chemical-coolant-resistant EPDM cover.
Meets the requirements of SAE 20R4 class D2 and DIN 73411 class A (except for tolerances), with a rated temperature range of -40°F to +257°F (-40°C to +125°C). If a cracked, swollen or leaking coolant hose is your problem, this replaces it. Gates recommends installing new hose clamps whenever a coolant hose is replaced. Do not use for fuel or oil transfer applications. Country of origin: United States. Manufacturer part number 21385.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Does this hose fit my vehicle?
It's listed for the 1983-1993 Chevrolet S10, 1983-1989 S10 Blazer, 1983-1990 GMC S15, 1983-1989 S15 Jimmy and 1991-1993 GMC Sonoma with the V6-2.8L engine. Check the Buyer's Guide tab to confirm.
What is the hose made of?
It uses an EPDM tube with synthetic fiber knit reinforcement and an EPDM cover that resists heat, ozone and chemical coolants.
What temperature range is it rated for?
It is rated from -40°F to +257°F (-40°C to +125°C) and meets the requirements of SAE 20R4 class D2 and DIN 73411 class A (except for tolerances).
Do I need new hose clamps?
Gates recommends replacing the hose clamps each time a new coolant hose is installed. Consult the vehicle service information for the correct clamps.
Can I use this hose for fuel or oil lines?
No. This is a coolant hose and should not be used for fuel or oil transfer applications.
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