Gates
Molded Coolant Hose

Gates 21285 Radiator Coolant Hose - Lower

Brand Gates 21285
Position Lower
0
Yes
Branch Quantity 0
Centerline Length 21.6
Centerline Length 549
Contains Spring Yes
End 1 Inside Diameter 1.75
End 1 Inside Diameter 44
End 2 Inside Diameter 2.12
End 2 Inside Diameter 54
Material EPDM
Modular Hose No
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Coolant Hose
Fits Chevrolet and GMC · 232 vehicles

OEM-quality specifications. Built to match replacement needs with a molded coolant hose design.

EPDM construction. Resists heat and coolant exposure for dependable service.

Molded design. Helps route coolant cleanly in a formed hose shape.

Cross-references Anchor 2091, Carlson 7996 and Carlson 41188 for the same application. See all 21.

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Gates 21285 Molded Lower Coolant Hose

Gates 21285 is a molded radiator coolant hose built for lower cooling-system applications on a wide range of Chevrolet and GMC trucks and SUVs. It uses EPDM construction and an internal spring to help maintain hose shape under heat and vacuum conditions.

Key Features

  • EPDM rubber construction for coolant-system service
  • Molded shape for OE-style routing and fit
  • Contains an internal spring
  • Centerline length: 21.6 in. (549 mm)
  • End 1 inside diameter: 1.75 in. (44 mm)
  • End 2 inside diameter: 2.12 in. (54 mm)
  • Lower radiator coolant hose application

Product Details

This Gates Molded Coolant Hose line is built to cover upper, lower, bypass, heater, and other coolant routing needs with OEM-quality specifications. Part number 21285 is a molded lower hose for vehicles that require a formed coolant path, including Chevrolet Blazer, Chevrolet C10, GMC Jimmy, and related C/K and R/V platform applications. This part cross-references Dayco 71145 for the same application.

Use Gates 21285 when you need a direct replacement for a formed lower radiator hose that matches the original routing and connection sizes. The molded profile helps preserve clearance around nearby components, while the spring support helps the hose retain its shape in service.

Common Problems This Hose Helps Address

  • Cracked or split lower radiator hose
  • Coolant leaks at the hose body or ends
  • Collapsed hose under suction or heat cycling
  • Improper hose routing after a failed replacement
  • Cooling-system service on aging Chevrolet and GMC trucks and SUVs

Installation Notes and Tips

Verify end diameters, molded shape, and centerline length against the original hose before installation. Confirm the hose routing matches the vehicle’s lower coolant path and inspect adjoining clamps, necks, and fittings for wear or corrosion before reassembly. For fitment reference, this hose fits 1982-1986 Chevrolet C10, lower; 1982-1986 GMC K1500, lower; 1987-1991 Chevrolet Blazer, lower; and 1982-1991 GMC Jimmy, lower.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for radiator hose replacement service. The Gates molded coolant hose line is engineered as a broad replacement offering for cooling-system applications across multiple vehicle platforms.

This part fits 232 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1991ChevroletBlazer6.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletR35006.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991ChevroletV35006.2LV8DIESELLowerMolded Coolant Hose
1991GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1991GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1991GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1991GMCR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991GMCR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991GMCR35006.2LV8DIESELLowerMolded Coolant Hose
1991GMCV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991GMCV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1991GMCV35006.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletBlazer6.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletR35006.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990ChevroletV35006.2LV8DIESELLowerMolded Coolant Hose
1990GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1990GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1990GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1990GMCR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990GMCR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990GMCR35006.2LV8DIESELLowerMolded Coolant Hose
1990GMCV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990GMCV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1990GMCV35006.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletBlazer6.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletR25006.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletR35006.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989ChevroletV35006.2LV8DIESELLowerMolded Coolant Hose
1989GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1989GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1989GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1989GMCR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989GMCR25006.2LV8DIESELLowerMolded Coolant Hose
1989GMCR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989GMCR35006.2LV8DIESELLowerMolded Coolant Hose
1989GMCV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989GMCV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1989GMCV35006.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletBlazer6.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletR10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletR206.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletR20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletR306.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletV10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletV20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988ChevroletV306.2LV8DIESELLowerMolded Coolant Hose
1988GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1988GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1988GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1988GMCR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988GMCR25006.2LV8DIESELLowerMolded Coolant Hose
1988GMCR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988GMCR35006.2LV8DIESELLowerMolded Coolant Hose
1988GMCV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988GMCV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1988GMCV35006.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletBlazer6.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletR106.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletR10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletR206.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletR20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletR306.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletV106.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletV10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletV206.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletV20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987ChevroletV306.2LV8DIESELLowerMolded Coolant Hose
1987GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1987GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1987GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1987GMCR15006.2LV8DIESELLowerMolded Coolant Hose
1987GMCR1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987GMCR25006.2LV8DIESELLowerMolded Coolant Hose
1987GMCR2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987GMCR35006.2LV8DIESELLowerMolded Coolant Hose
1987GMCV15006.2LV8DIESELLowerMolded Coolant Hose
1987GMCV1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987GMCV25006.2LV8DIESELLowerMolded Coolant Hose
1987GMCV2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1987GMCV35006.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletC106.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletC10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletC206.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletC20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletC306.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletK106.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletK10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletK206.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletK20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletK306.2LV8DIESELLowerMolded Coolant Hose
1986ChevroletK5 Blazer6.2LV8DIESELLowerMolded Coolant Hose
1986GMCC15006.2LV8DIESELLowerMolded Coolant Hose
1986GMCC1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986GMCC25006.2LV8DIESELLowerMolded Coolant Hose
1986GMCC2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986GMCC35006.2LV8DIESELLowerMolded Coolant Hose
1986GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1986GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1986GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1986GMCK15006.2LV8DIESELLowerMolded Coolant Hose
1986GMCK1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986GMCK25006.2LV8DIESELLowerMolded Coolant Hose
1986GMCK2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1986GMCK35006.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletC106.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletC10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletC206.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletC20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletC306.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletK106.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletK10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletK206.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletK20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletK306.2LV8DIESELLowerMolded Coolant Hose
1985ChevroletK5 Blazer6.2LV8DIESELLowerMolded Coolant Hose
1985GMCC15006.2LV8DIESELLowerMolded Coolant Hose
1985GMCC1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985GMCC25006.2LV8DIESELLowerMolded Coolant Hose
1985GMCC2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985GMCC35006.2LV8DIESELLowerMolded Coolant Hose
1985GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1985GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1985GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1985GMCK15006.2LV8DIESELLowerMolded Coolant Hose
1985GMCK1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985GMCK25006.2LV8DIESELLowerMolded Coolant Hose
1985GMCK2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1985GMCK35006.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletC106.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletC10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletC206.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletC20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletC306.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletK106.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletK10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletK206.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletK20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletK306.2LV8DIESELLowerMolded Coolant Hose
1984ChevroletK5 Blazer6.2LV8DIESELLowerMolded Coolant Hose
1984GMCC15006.2LV8DIESELLowerMolded Coolant Hose
1984GMCC1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984GMCC25006.2LV8DIESELLowerMolded Coolant Hose
1984GMCC2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984GMCC35006.2LV8DIESELLowerMolded Coolant Hose
1984GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1984GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1984GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1984GMCK15006.2LV8DIESELLowerMolded Coolant Hose
1984GMCK1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984GMCK25006.2LV8DIESELLowerMolded Coolant Hose
1984GMCK2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1984GMCK35006.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletC106.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletC10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletC206.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletC20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletC306.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletG206.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletG306.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletK106.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletK10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletK206.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletK20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletK306.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletK5 Blazer6.2LV8DIESELLowerMolded Coolant Hose
1983ChevroletP206.2LV8DIESELLowerExc. Motor Home; Molded Coolant Hose
1983ChevroletP306.2LV8DIESELLowerExc. Motor Home; Molded Coolant Hose
1983GMCC15006.2LV8DIESELLowerMolded Coolant Hose
1983GMCC1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983GMCC25006.2LV8DIESELLowerMolded Coolant Hose
1983GMCC2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983GMCC35006.2LV8DIESELLowerMolded Coolant Hose
1983GMCG25006.2LV8DIESELLowerMolded Coolant Hose
1983GMCG35006.2LV8DIESELLowerMolded Coolant Hose
1983GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1983GMCK15006.2LV8DIESELLowerMolded Coolant Hose
1983GMCK1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983GMCK25006.2LV8DIESELLowerMolded Coolant Hose
1983GMCK2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1983GMCK35006.2LV8DIESELLowerMolded Coolant Hose
1983GMCP25006.2LV8DIESELLowerExc. Motor Home; Molded Coolant Hose
1983GMCP35006.2LV8DIESELLowerExc. Motor Home; Molded Coolant Hose
1982ChevroletC106.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletC10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletC206.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletC20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletC306.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletK106.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletK10 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletK206.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletK20 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletK306.2LV8DIESELLowerMolded Coolant Hose
1982ChevroletK5 Blazer6.2LV8DIESELLowerMolded Coolant Hose
1982GMCC15006.2LV8DIESELLowerMolded Coolant Hose
1982GMCC1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982GMCC25006.2LV8DIESELLowerMolded Coolant Hose
1982GMCC2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982GMCC35006.2LV8DIESELLowerMolded Coolant Hose
1982GMCJimmy6.2LV8DIESELLowerMolded Coolant Hose
1982GMCK15006.2LV8DIESELLowerMolded Coolant Hose
1982GMCK1500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982GMCK25006.2LV8DIESELLowerMolded Coolant Hose
1982GMCK2500 Suburban6.2LV8DIESELLowerMolded Coolant Hose
1982GMCK35006.2LV8DIESELLowerMolded Coolant Hose
Directly replaces or cross-references 21 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2091Carlson — 7996Carlson — 41188Continental — 61188Dayco — 71145Dayco — 71389Gates — 2128514-1845-277-8887-025724127L1403676414054778155959161559594651319664C1285D71145D71389KM-1349MH-1188