Gates
Molded Coolant Hose

Gates 21872 Radiator Coolant Hose - Lower

Brand Gates 21872
Position Lower
0
Yes
Branch Quantity 0
Centerline Length 21.8
Centerline Length 554
Contains Spring No
End 1 Inside Diameter 1.5
End 1 Inside Diameter 38
End 2 Inside Diameter 1.75
End 2 Inside Diameter 44
Material EPDM
Modular Hose No
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Coolant Hose
Fits Chevrolet and GMC · 14 vehicles

OEM-quality specifications. Built as a molded coolant hose for dependable replacement fit.

EPDM construction. Resists heat and coolant exposure for long service life.

Molded design. Follows the hose path for a cleaner, easier installation.

Cross-references Dayco 71475, Edelmann 8562 and Gates 21872 for the same application. See all 16.

$39.70Free shipping
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Step 2 — Quantity
Order total $39.70
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Free returns within 60 days if it doesn't fit when fitment is verified.

Gates 21872 Molded Coolant Hose

The Gates 21872 molded coolant hose is built for radiator coolant service with OEM-quality specifications and a formed shape that matches the application. It is a direct replacement for lower hose routing on select Chevrolet Astro and GMC Safari models, helping restore proper coolant flow and fitment.

  • EPDM construction for coolant-system durability
  • Molded hose shape for accurate routing
  • End 1 inside diameter: 1.5 in. (38 mm)
  • End 2 inside diameter: 1.75 in. (44 mm)
  • Centerline length: 21.8 in. (554 mm)
  • No spring and no quick-connect fittings
  • Lower radiator coolant hose application

Gates Molded Coolant Hose Line

This hose is part of Gates’ molded coolant hose line, which covers upper, lower, bypass, heater, and other coolant applications with OE-style specifications. For buyers searching for a Gates 21872 radiator coolant hose or a molded lower hose for Chevrolet Astro and GMC Safari, this part provides the formed profile needed for a proper replacement without adapting a universal hose.

This part cross-references Dayco 71475 for the same application.

Vehicle Fitment

  • Fits 1990-1994 Chevrolet Astro, lower.
  • Fits 1987-1988 Chevrolet Astro, lower.
  • Fits 1990-1994 GMC Safari, lower.
  • Fits 1987-1988 GMC Safari, lower.

Common Replacement Uses

  • Cracked or aged lower radiator hose
  • Coolant leaks at the hose body
  • Improper hose routing from a previous repair
  • Softening, swelling, or collapse in the cooling system hose
  • Restoring correct fit on a Chevrolet Astro lower coolant hose or GMC Safari lower coolant hose

Installation Notes and Quality

Verify hose routing, end diameters, and centerline length against the original part before installation. Inspect adjoining clamps, necks, and coolant passages for wear or corrosion so the replacement hose seats correctly. Gates manufactures this molded coolant hose to OEM-quality specifications for radiator hose replacement service.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1994ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1994GMCSafari4.3LV6GASLowerMolded Coolant Hose
1993ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1993GMCSafari4.3LV6GASLowerMolded Coolant Hose
1992ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1992GMCSafari4.3LV6GASLowerMolded Coolant Hose
1991ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1991GMCSafari4.3LV6GASLowerMolded Coolant Hose
1990ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1990GMCSafari4.3LV6GASLowerMolded Coolant Hose
1988ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1988GMCSafari4.3LV6GASLowerMolded Coolant Hose
1987ChevroletAstro4.3LV6GASLowerMolded Coolant Hose
1987GMCSafari4.3LV6GASLowerMolded Coolant Hose
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 71475Edelmann — 8562Gates — 2187214-2626-8217522249M61401156288821565090015953810159538761597378715984271C1872C71475KM-2348