HomeBelts and Cooling > Hoses and PipesGates 21872 Radiator Coolant Hose - Lower
Part #: 21872

Gates 21872 Radiator Coolant Hose - Lower

Molded Coolant Hose, Lower
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Lower
🚗Fitment: Chevrolet and GMC, Astro and Safari
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Molded Coolant Hose 21872

The Gates Molded Coolant Hose 21872 is designed specifically for Chevrolet Astro and GMC Safari vehicles. This radiator coolant hose is constructed from durable EPDM material, ensuring reliable performance in your vehicle's cooling system.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and secure installation
  • Centerline length of 21.8 inches (554 mm) for accurate replacement
  • End 1 inside diameter: 1.5 inches (38 mm)
  • End 2 inside diameter: 1.75 inches (44 mm)
  • Compatible with Chevrolet Astro and GMC Safari models
  • Part number 21872 for easy identification and ordering

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line offers molded radiator hoses engineered to meet specific vehicle requirements. This product line focuses on delivering hoses with precise dimensions and durable EPDM construction, which helps maintain optimal coolant flow and system integrity. The molded design of the 21872 hose ensures a secure fit without the need for additional spring reinforcement or quick connect fittings.

Detailed Product Description

The Gates Molded Coolant Hose 21872 is a radiator coolant hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a molded shape tailored to fit the cooling system of Chevrolet Astro and GMC Safari vehicles. With a centerline length of 21.8 inches (554 mm), it connects two points with end diameters of 1.5 inches (38 mm) and 1.75 inches (44 mm) respectively. This hose does not contain a spring or quick connect fittings, simplifying installation and reducing potential failure points.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Chevrolet Astro and GMC Safari
  • Resolving coolant leaks caused by hose degradation
  • Preventing overheating due to compromised coolant flow
  • Maintaining proper coolant system pressure and circulation
  • Eliminating hose collapse or deformation under engine heat

Installation Notes and Tips

  • Ensure the engine is cool before removing the old hose to avoid burns
  • Check hose connections and clamps for corrosion or damage and replace if necessary
  • Verify the correct orientation of the molded hose before installation
  • Use appropriate clamps to secure the hose ends firmly
  • Inspect the cooling system for leaks after installation and during initial operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21872 is manufactured to meet OEM specifications for Chevrolet Astro and GMC Safari vehicles. The EPDM material and molded construction provide durability and resistance to common coolant system stresses. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.

BrandGates
Part Number21872
PositionMolded Coolant Hose, Lower
0
Yes
Branch Quantity0
Centerline Length21.8
Centerline Length554
Contains SpringNo
End 1 Inside Diameter1.5
End 1 Inside Diameter38
End 2 Inside Diameter1.75
End 2 Inside Diameter44
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 14 vehicles. Search below:

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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

14-2626-815628882156509001595381015953876159737871598427121752187222249M61401714758562C1872C71475KM-2348

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.