Gates 21941 Radiator Coolant Hose - Lower

Gates 21941 Molded Lower Coolant Hose

Gates 21941 is a molded radiator coolant hose built for lower cooling-system routing on a wide range of GM trucks and SUVs. It follows OEM-quality specifications and is shaped for direct replacement on confirmed applications, helping restore proper coolant flow without a trip to the OE dealer.

The Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant applications. This molded design uses EPDM and plastic construction for the correct formed shape and fit on vehicles that require a lower radiator hose with specific bends and dimensions.

• Molded lower radiator coolant hose for confirmed GM fitments
• EPDM and plastic construction for cooling-system service
• Centerline length: 37 in. (940 mm)
• End 1 inside diameter: 1.52 in. (39 mm)
• End 2 inside diameter: 1.77 in. (45 mm)
• No spring and no quick-connect fittings
• Gates part number 21941 for catalog and cross-reference lookup

Fitment Details

Compatible With 1991-2000 Chevrolet and GMC lower radiator hose applications, including Cadillac Escalade, Chevrolet C1500, C2500, K1500, K2500, K3500, Tahoe, Suburban 1500, Blazer, and GMC Yukon, C1500, C2500, K1500, K2500, K3500, and related Suburban models. This part number 21941 is also listed for 1998 Chevrolet P30 and GMC P3500 lower hose applications.

For buyers searching by vehicle, Gates 21941 is a direct-fit lower coolant hose option for Chevrolet C1500 lower radiator hose replacement, GMC K1500 lower coolant hose service, and Cadillac Escalade lower hose applications within the listed years.

What It Helps Address

• Cracked, swollen, or leaking lower radiator hose
• Coolant loss from aged EPDM hose material
• Incorrect hose shape on molded lower hose replacements
• Restricted coolant flow caused by a deteriorated hose
• Fitment issues on GM truck and SUV cooling-system repairs

Installation Notes and Tips

Verify engine and radiator configuration before ordering, especially on 1991 Chevrolet and GMC applications with notes for 41-inch wide radiators, chassis cab exclusions, or 100A alternator exclusions. Confirm the hose routing matches the original molded shape and compare end diameters and centerline length to the removed part before installation.

Gates uses OEM-quality specifications for this molded coolant hose line, and the catalog includes broad interchange coverage for service lookup. This part cross-references Dayco 71762 and Continental 62075 for the same application.

Quality Assurance

Gates positions its Molded Coolant Hose line as a comprehensive replacement source for radiator, heater, bypass, and other coolant hose applications. Part number 21941 is built to match the formed routing and dimensional requirements used on the listed GM vehicles.