HomeBelts and Cooling > Hoses and PipesGates 20994 Radiator Coolant Hose - Lower
Part #: 20994

Gates 20994 Radiator Coolant Hose - Lower

Molded Coolant Hose, Lower
⚙️ 21 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$31.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Lower
🚗Fitment: Cadillac, Commercial Chassis, DeVille, and Fleetwood
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Coolant Hose for Cadillac Vehicles

The Gates Molded Coolant Hose 20994 is engineered to provide dependable cooling system performance for select Cadillac models. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for your vehicle's cooling needs.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and secure connections
  • Centerline length of 18.5 inches (470 mm) for accurate installation
  • Inside diameter of 1.5 inches (38 mm) on both ends for standard coolant flow
  • Compatible with Cadillac Commercial Chassis, DeVille, and Fleetwood models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, eliminating the need for bending or shaping during installation. This product line is designed to maintain consistent coolant flow and resist common issues such as cracking or collapsing under pressure. The 20994 part benefits from this molded construction, ensuring a reliable fit and long service life in Cadillac cooling systems.

Product Details and Specifications

This radiator coolant hose features a molded design with no spring reinforcement, providing a smooth internal surface for optimal coolant flow. Both ends have an inside diameter of 1.5 inches (38 mm), matching OEM dimensions for a direct replacement. The hose measures 18.5 inches (470 mm) in centerline length, making it suitable for specific routing in Cadillac Commercial Chassis, DeVille, and Fleetwood vehicles. The EPDM material offers resistance to heat, ozone, and coolant chemicals, supporting durability in demanding engine environments.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Cadillac DeVille and Fleetwood models
  • Addressing coolant leaks caused by hose deterioration or swelling
  • Restoring proper coolant flow to prevent engine overheating
  • Eliminating hose collapse or blockage that restricts coolant circulation
  • Ensuring a secure, leak-free connection in the cooling system

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 20994, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the molded shape for proper fitment. Use appropriate clamps to secure both ends, avoiding overtightening that could damage the hose. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 20994 to meet or exceed OEM standards for durability and performance. The EPDM construction and molded design contribute to long-lasting service life. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Cadillac Commercial Chassis, DeVille, and Fleetwood vehicles.

BrandGates
Part Number20994
PositionMolded Coolant Hose, Lower
MaterialEpdm
End 1 Inside Diameter1.5
End 1 Inside Diameter38
End 2 Inside Diameter1.5
End 2 Inside Diameter38
Contains SpringNo
Centerline Length18.5
Centerline Length470
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1984CadillacCommercial Chassis6.0LV8GASLowerMolded Coolant Hose
1984CadillacFleetwood6.0LV8GASLowerMolded Coolant Hose
1983CadillacCommercial Chassis6.0LV8GASLowerMolded Coolant Hose
1983CadillacFleetwood6.0LV8GASLowerMolded Coolant Hose
1982CadillacCommercial Chassis6.0LV8GASLowerMolded Coolant Hose
1982CadillacFleetwood6.0LV8GASLowerMolded Coolant Hose
1981CadillacCommercial Chassis6.0LV8GASLowerMolded Coolant Hose
1981CadillacDeVille6.0LV8GASLowerMolded Coolant Hose
1981CadillacFleetwood6.0LV8GASLowerMolded Coolant Hose
1980CadillacCommercial Chassis6.0LV8GASLowerMolded Coolant Hose
1980CadillacDeVille6.0LV8GASLowerMolded Coolant Hose
1980CadillacFleetwood6.0LV8GASLowerMolded Coolant Hose
1979CadillacCommercial Chassis7.0LV8GASLowerMolded Coolant Hose
1979CadillacDeVille7.0LV8GASLowerMolded Coolant Hose
1979CadillacFleetwood7.0LV8GASLowerMolded Coolant Hose
1978CadillacCommercial Chassis7.0LV8GASLowerMolded Coolant Hose
1978CadillacDeVille7.0LV8GASLowerMolded Coolant Hose
1978CadillacFleetwood7.0LV8GASLowerMolded Coolant Hose
1977CadillacCommercial Chassis7.0LV8GASLowerMolded Coolant Hose
1977CadillacDeVille7.0LV8GASLowerMolded Coolant Hose
1977CadillacFleetwood7.0LV8GASLowerMolded 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:

1511609863160991216171451619910209942316624069L51311515609927086177-8817-77729BH-1834C0994D70861KM-1066MC79MH-992MR192P20994

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