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Gates 21106 Radiator Coolant Hose - Upper
Reliable Radiator Coolant Hose for Buick, Chevrolet, and Pontiac
The Gates Molded Coolant Hose 21106 is engineered to provide dependable cooling system performance for select Buick, Chevrolet, and Pontiac vehicles. Designed with precision molding and durable EPDM material, this radiator coolant hose ensures a secure fit and long-lasting service.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for precise fit and leak prevention
- Centerline length of 16.8 inches (427 mm) for accurate replacement
- Consistent inside diameter of 1.5 inches (38 mm) on both ends
- Compatible with multiple classic and modern models from Buick, Chevrolet, and Pontiac
About the Gates Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to match exact OEM specifications. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded construction of part number 21106 ensures a reliable seal and consistent coolant flow, making it suitable for vehicles requiring precise hose dimensions and durability.
Detailed Product Description
This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features a molded design with a centerline length of 16.8 inches (427 mm) and an inside diameter of 1.5 inches (38 mm) on both ends, providing a direct replacement for the original equipment. It does not contain any internal springs or quick connect fittings, simplifying compatibility and installation. The hose is designed to maintain coolant flow integrity in vehicles such as the Buick LeMans, Chevrolet Camaro, and Pontiac Firebird.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks that can cause engine overheating
- Restoration of proper coolant flow in Buick, Chevrolet, and Pontiac cooling systems
- Elimination of hose collapse or kinking due to aging or improper fit
- Maintenance of cooling system pressure and temperature regulation
Installation Notes and Tips
Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose dimensions match the original part, focusing on the 1.5 inch (38 mm) inside diameter and 16.8 inch (427 mm) length. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect surrounding components for wear or damage during installation to maintain overall cooling system integrity.
Quality Assurance and Warranty
Gates Molded Coolant Hose 21106 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.
| Brand | Gates |
| Part Number | 21106 |
| Position | Molded Coolant Hose, Upper |
| Material | Epdm |
| End 1 Inside Diameter | 1.5 |
| End 1 Inside Diameter | 38 |
| End 2 Inside Diameter | 1.5 |
| End 2 Inside Diameter | 38 |
| Contains Spring | No |
| Centerline Length | 16.8 |
| Centerline Length | 427 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 81 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1979 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.C.; W/Std. Cool.; W/A.P.; Cut to fit; Molded Coolant Hose |
| 1979 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.C.; W/Std. Cool.; W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1978 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.C.; W/Std. Cool.; W/A.P.; Cut to fit; Molded Coolant Hose |
| 1978 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.C.; W/Std. Cool.; W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1977 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1977 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1977 | Chevrolet | Malibu | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1977 | Pontiac | Grand LeMans | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1977 | Pontiac | LeMans | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1976 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.C.; W/Std. Cool.; W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1976 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1976 | Chevrolet | Malibu | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1976 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Without air conditioning; with standard cooling.; Molded Coolant Hose |
| 1975 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.C.; W/Std. Cool.; W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1975 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1975 | Chevrolet | Malibu | 4.1L | L6 | GAS | Upper | Fitment: Fits vehicles without air conditioning, with standard cooling, and requires cutting to fit.; Molded Coolant Hose |
| 1975 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Without air conditioning; with standard cooling.; Molded Coolant Hose |
| 1974 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1974 | Chevrolet | Malibu | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1974 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Molded Coolant Hose |
| 1973 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1973 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1973 | Chevrolet | Malibu | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1973 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Molded Coolant Hose |
| 1972 | Chevrolet | Bel Air | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1972 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1972 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1972 | Chevrolet | Impala | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1972 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1971 | Chevrolet | Bel Air | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1971 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1971 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1971 | Chevrolet | Impala | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1971 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1970 | Buick | Skylark | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1970 | Buick | Skylark | 4.1L | L6 | GAS | Upper | W/O A.C.; W/A.P.; Cut to fit; Molded Coolant Hose |
| 1970 | Buick | Skylark | 4.1L | L6 | GAS | Upper | W/O A.C.; W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1970 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1970 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1970 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1970 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1970 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1970 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1970 | Pontiac | Firebird | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1969 | Buick | Skylark | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1969 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1969 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1969 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | El Camino | 3.8L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1969 | Chevrolet | El Camino | 3.8L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | El Camino | 3.8L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1969 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1969 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Buick | Skylark | 4.1L | L6 | GAS | Upper | Cut-to-fit for vehicles without air conditioning; Molded Coolant Hose |
| 1968 | Buick | Skylark | 4.1L | L6 | GAS | Upper | W/O A.C.; W/A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Buick | Skylark | 4.1L | L6 | GAS | Upper | W/O A.C.; W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1968 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1968 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | El Camino | 3.8L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1968 | Chevrolet | El Camino | 3.8L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | El Camino | 3.8L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1968 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1968 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1967 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1967 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1967 | Chevrolet | Camaro | 3.8L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1967 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1967 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1967 | Chevrolet | Camaro | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded Coolant Hose |
| 1967 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1967 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/A.P.; Cut to fit; Molded Coolant Hose |
| 1967 | Chevrolet | El Camino | 4.1L | L6 | GAS | Upper | W/O A.P.; Cut to fit; Molded 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.