OE Quality
60-Day Returns

Gates 20704 Radiator Coolant Hose - Upper
Reliable Radiator Coolant Hose for Ford, Lincoln, and Mercury Vehicles
The Gates Molded Coolant Hose 20704 is engineered to provide dependable coolant flow for select Ford, Lincoln, and Mercury models. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance and longevity in your vehicle's cooling system.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for precise fit and secure installation
- Centerline length of 24.7 inches (627 mm) for accurate replacement
- Inside diameter of 1.5 inches (38 mm) on both ends for proper coolant flow
- Compatible with Ford, Lincoln, and Mercury models including Mustang, Thunderbird, Continental, and more
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 specific vehicle applications. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded construction of part number 20704 ensures a precise fit for the cooling systems of various Ford, Lincoln, and Mercury vehicles, supporting optimal engine temperature regulation.
Product Details and Specifications
This radiator coolant hose features a molded design made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.5 inches (38 mm), providing consistent coolant flow. The centerline length measures 24.7 inches (627 mm), making it suitable for direct replacement in compatible vehicles. This hose does not contain any springs or quick connect fittings, and it is not modular, ensuring a straightforward installation process.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Ford Mustang and Thunderbird models
- Addressing coolant leaks caused by deteriorated hoses in Lincoln Continental and Mercury Marquis vehicles
- Restoring proper coolant circulation in Ford LTD and Colony Park cooling systems
- Preventing overheating issues related to compromised radiator hoses in Mercury Cougar and Montego
Installation Notes and Tips
Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose dimensions, including the 1.5-inch inside diameter and 24.7-inch length, match the original part. The molded design of the Gates 20704 hose allows for a precise fit without modification. Use appropriate clamps to secure the hose ends and check for leaks after installation.
Quality Assurance and Warranty
Gates Molded Coolant Hose 20704 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to a longer service life. 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 | 20704 |
| 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 | 24.7 |
| Centerline Length | 627 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 34 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1979 | Lincoln | Continental | 6.6L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1978 | Lincoln | Continental | 6.6L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1976 | Mercury | Cougar | 5.8L | V8 | GAS | Upper | With Modified Engine; Molded Coolant Hose |
| 1976 | Mercury | Cougar | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1976 | Mercury | Montego | 5.8L | V8 | GAS | Upper | With Modified Engine; Molded Coolant Hose |
| 1976 | Mercury | Montego | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1975 | Mercury | Cougar | 5.8L | V8 | GAS | Upper | With Modified Engine; Molded Coolant Hose |
| 1975 | Mercury | Cougar | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1975 | Mercury | Montego | 5.8L | V8 | GAS | Upper | With Modified Engine; Molded Coolant Hose |
| 1975 | Mercury | Montego | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1974 | Mercury | Cougar | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1974 | Mercury | Cougar | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1974 | Mercury | Montego | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1974 | Mercury | Montego | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1973 | Ford | LTD | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1973 | Ford | Mustang | 5.8L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1973 | Mercury | Cougar | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Cut to fit; Molded Coolant Hose |
| 1973 | Mercury | Montego | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1973 | Mercury | Montego | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1972 | Ford | LTD | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1972 | Ford | LTD | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1972 | Ford | Mustang | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1972 | Ford | Thunderbird | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1972 | Mercury | Colony Park | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1972 | Mercury | Cougar | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1972 | Mercury | Marquis | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1972 | Mercury | Montego | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Molded Coolant Hose |
| 1972 | Mercury | Montego | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1971 | Ford | LTD | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1971 | Ford | Mustang | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Cut to fit; Molded Coolant Hose |
| 1971 | Mercury | Colony Park | 6.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1971 | Mercury | Cougar | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Cut to fit; Molded Coolant Hose |
| 1971 | Mercury | Montego | 5.8L | V8 | GAS | Upper | W/Cleveland Eng.; Cut to fit; Molded Coolant Hose |
| 1970 | Mercury | Montego | 5.8L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; 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.