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Gates 21721 Radiator Coolant Hose - Upper
Overview of Gates Molded Coolant Hose 21721
The Gates Molded Coolant Hose 21721 is designed specifically for Ford F-150, F-250, and F-350 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.
- Made from high-quality EPDM rubber for heat and chemical resistance
- Molded design for precise fit and durability
- End 1 inside diameter: 1.75 inches (44 mm)
- End 2 inside diameter: 2 inches (51 mm)
- Centerline length: 17.9 inches (455 mm)
- Contains no spring or quick connect fittings
- Compatible with Ford F-150, F-250, and F-350 models
Details on the Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on providing hoses that are pre-formed to exact specifications, eliminating the need for bending or shaping during installation. This ensures a consistent fit and reduces the risk of leaks or premature wear. The 21721 part number is part of this line, offering a molded radiator coolant hose tailored for specific Ford truck models.
Product Description and Specifications
The Gates 21721 radiator coolant hose is engineered from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The molded construction provides a precise shape that matches the original equipment specifications for Ford F-150, F-250, and F-350 trucks. With an inside diameter of 1.75 inches (44 mm) on one end and 2 inches (51 mm) on the other, and a centerline length of 17.9 inches (455 mm), this hose is designed to maintain optimal coolant flow and system integrity. It does not contain any springs or quick connect fittings, simplifying installation and reducing potential failure points.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses on Ford F-150, F-250, and F-350
- Resolving coolant leaks caused by hose degradation or damage
- Preventing overheating issues due to compromised coolant flow
- Maintaining proper engine temperature regulation in heavy-duty Ford trucks
- Upgrading to a molded hose for improved fit and durability over generic hoses
Installation Notes and Tips
- Ensure the engine is cool before removing the old hose to avoid burns
- Check hose clamps and replace if corroded or damaged
- Verify the correct orientation of the molded hose before installation
- Inspect surrounding components for wear or damage during replacement
- Tighten clamps securely to prevent leaks but avoid over-tightening which can damage the hose
Quality Assurance and Warranty
Gates Molded Coolant Hose 21721 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer for exact warranty terms.
| Brand | Gates |
|---|---|
| Part Number | 21721 |
| Position | Molded Coolant Hose, Upper |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 17.9 |
| Centerline Length | 455 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.75 |
| End 1 Inside Diameter | 44 |
| End 2 Inside Diameter | 2 |
| End 2 Inside Diameter | 51 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 50 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1994 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1994 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1994 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1994 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1993 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1993 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1993 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1993 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1992 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1992 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1992 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1992 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1991 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1991 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1991 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1991 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1990 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1990 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1990 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1990 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1989 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1989 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1989 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1989 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1988 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1988 | Ford | F-250 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1988 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1988 | Ford | F-350 | 7.3L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1987 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1987 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1987 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1987 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1986 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1986 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1986 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1986 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1985 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1985 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1985 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1985 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1984 | Ford | F-150 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1984 | Ford | F-150 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1984 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1984 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1984 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1984 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1983 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1983 | Ford | F-250 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; Molded Coolant Hose |
| 1983 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Coolant Hose |
| 1983 | Ford | F-350 | 6.9L | V8 | DIESEL | Upper | W/O A.C.; W/X.C.; W/31" Wide Rad.; 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.