Gates 21425 Radiator Coolant Hose - Lower
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Gates
 Molded Coolant Hose

Gates 21425 Radiator Coolant Hose - Lower

Brand Gates 21425
Position Lower
0
Yes
Branch Quantity 0
Centerline Length 13.9
Centerline Length 353
Contains Spring Yes
End 1 Inside Diameter 1.56
End 1 Inside Diameter 40
End 2 Inside Diameter 1.62
End 2 Inside Diameter 41
Material EPDM
Modular Hose No
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Coolant Hose
Fits Cadillac · 25 vehicles

OEM-quality specifications. Molded coolant hose built to match replacement needs.

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

Molded design. Fits coolant applications with a precise, formed shape.

Cross-references Anchor 8125, Champion Spark Plug 555 and Dayco 71204 for the same application. See all 22.

$33.75Free shipping
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Order total $33.75
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Radiator Coolant Hose options

Gates 21425 Molded Coolant Hose

Gates 21425 is a molded radiator coolant hose built to OEM-quality specifications for lower cooling-system routing. Made from EPDM and formed with a spring insert, it is shaped for a precise fit in applications that require stable hose support and reliable coolant flow.

Key Features

  • EPDM construction for coolant-system durability
  • Molded shape for lower hose routing
  • Contains an internal spring for hose support
  • End 1 inside diameter: 1.56 in. (40 mm)
  • End 2 inside diameter: 1.62 in. (41 mm)
  • Centerline length: 13.9 in. (353 mm)
  • Direct replacement style for radiator coolant hose service

Product Details

This Gates Molded Coolant Hose line is built for upper, lower, bypass, heater, and other coolant applications, with this part number configured for lower radiator hose use. Gates 21425 is a molded EPDM hose that follows OEM-style dimensions to help restore proper coolant routing on vehicles such as Cadillac DeVille, Cadillac Fleetwood, and Cadillac Commercial Chassis. This part cross-references Dayco 71204 and 71526 for the same application.

Common Problems It Can Address

  • Cracked or deteriorated lower radiator hose
  • Coolant leaks at the hose body or connection points
  • Collapsed hose sections under cooling-system vacuum
  • Restricted coolant flow caused by hose wear or deformation
  • Incorrect hose shape after prior replacement

Installation Notes

Verify end diameters, centerline length, and molded routing before installation. Inspect adjoining necks, clamps, and coolant condition during replacement, and confirm the hose follows the original lower hose path without twist or kinking. This part is listed for 1993 Cadillac 60 Special, lower; 1985-1993 Cadillac DeVille, lower; 1985-1992 Cadillac Fleetwood, lower; and 1985-1991 Cadillac Commercial Chassis, lower.

Quality Assurance

Gates manufactures this hose to OEM-quality specifications as part of its molded coolant hose program, which is designed to cover a broad range of replacement cooling-system applications. Part number 21425 is built for direct-fit radiator hose service in the listed Cadillac applications.

Related reading

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
1993Cadillac60 Special—4.9LV8GASLowerMolded Coolant Hose
1993CadillacDeVille—4.9LV8GASLowerMolded Coolant Hose
1992CadillacDeVille—4.9LV8GASLowerMolded Coolant Hose
1992CadillacFleetwood—4.9LV8GASLowerMolded Coolant Hose
1991CadillacCommercial Chassis—4.9LV8GASLowerMolded Coolant Hose
1991CadillacDeVille—4.9LV8GASLowerMolded Coolant Hose
1991CadillacFleetwood—4.9LV8GASLowerMolded Coolant Hose
1990CadillacCommercial Chassis—4.5LV8GASLowerMolded Coolant Hose
1990CadillacDeVille—4.5LV8GASLowerMolded Coolant Hose
1990CadillacFleetwood—4.5LV8GASLowerMolded Coolant Hose
1989CadillacCommercial Chassis—4.5LV8GASLowerMolded Coolant Hose
1989CadillacDeVille—4.5LV8GASLowerMolded Coolant Hose
1989CadillacFleetwood—4.5LV8GASLowerMolded Coolant Hose
1988CadillacCommercial Chassis—4.5LV8GASLowerMolded Coolant Hose
1988CadillacDeVille—4.5LV8GASLowerMolded Coolant Hose
1988CadillacFleetwood—4.5LV8GASLowerMolded Coolant Hose
1987CadillacCommercial Chassis—4.1LV8GASLowerMolded Coolant Hose
1987CadillacDeVille—4.1LV8GASLowerMolded Coolant Hose
1987CadillacFleetwood—4.1LV8GASLowerMolded Coolant Hose
1986CadillacCommercial Chassis—4.1LV8GASLowerMolded Coolant Hose
1986CadillacDeVille—4.1LV8GASLowerMolded Coolant Hose
1986CadillacFleetwood—4.1LV8GASLowerMolded Coolant Hose
1985CadillacCommercial ChassisFWD4.1LV8GASLowerMolded Coolant Hose
1985CadillacDeVille—4.1LV8GASLowerMolded Coolant Hose
1985CadillacFleetwoodFWD4.1LV8GASLowerMolded Coolant Hose
Directly replaces or cross-references 22 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 8125Champion Spark Plug — 555Dayco — 71204Dayco — 71526Febi-Bilstein — 2142514-1886-4215420161S4139061633162627016263701626373162924916329752555800025559442B71526C1425C71204KM-2159MH-4425