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Gates 21587 Radiator Coolant Hose - Lower or Upper - Engine To Pipe
Overview of Gates Molded Coolant Hose 21587
The Gates Molded Coolant Hose 21587 is designed for reliable cooling system performance in select Cadillac, Chevrolet, Nissan, and Oldsmobile vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures proper coolant flow and heat resistance for models like the Chevrolet Cavalier and Nissan Pathfinder.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and secure installation
- End 1 inside diameter: 1.25 inches (32 mm)
- End 2 inside diameter: 1.5 inches (38 mm)
- Centerline length of 13.7 inches (348 mm)
- Does not contain a spring or quick connect fittings
- Compatible with multiple vehicle makes and models
Details on the 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 emphasizes consistent quality and fitment, reducing installation time and potential coolant leaks. The 21587 part benefits from this molded design, ensuring it matches the original equipment dimensions for vehicles such as the Oldsmobile Firenza and Chevrolet Cimarron.
Product Description and Specifications
The Gates 21587 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a molded shape with a centerline length of 13.7 inches (348 mm), designed to fit specific cooling system layouts. The hose ends have different inside diameters—1.25 inches (32 mm) on one end and 1.5 inches (38 mm) on the other—to accommodate varying connection points within the cooling system. This hose does not include springs or quick connect fittings, which aligns with the original equipment design for the compatible vehicles.
Common Applications and Problem Solving
- Replacement for cracked or leaking radiator coolant hoses
- Restores proper coolant flow in Chevrolet Cavalier and Nissan Pathfinder cooling systems
- Prevents overheating caused by deteriorated or collapsed hoses
- Addresses coolant leaks in Oldsmobile Firenza and Chevrolet Cimarron models
- Ensures secure coolant connections without the need for additional fittings
Installation Notes and Tips
- Verify hose dimensions and fitment with your vehicle’s specifications before installation
- Ensure cooling system is cool and depressurized prior to hose removal
- Use appropriate clamps to secure hose ends and prevent leaks
- Inspect adjacent components for wear or damage during installation
- Follow vehicle manufacturer torque specifications for clamps
Quality Assurance and Warranty
Gates Molded Coolant Hose 21587 is manufactured to meet or exceed original equipment standards. The EPDM material and molded construction provide durability and resistance to common coolant system stresses. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Gates |
|---|---|
| Part Number | 21587 |
| Position | Molded Coolant Hose, Upper - Engine To Pipe |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 13.7 |
| Centerline Length | 348 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.25 |
| End 1 Inside Diameter | 32 |
| End 2 Inside Diameter | 1.5 |
| End 2 Inside Diameter | 38 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Nissan | D21 | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1989 | Nissan | Pathfinder | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1988 | Nissan | D21 | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1988 | Nissan | Pathfinder | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1987 | Nissan | D21 | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1987 | Nissan | Pathfinder | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1986 | Cadillac | Cimarron | 2.8L | V6 | GAS | Lower | Molded Coolant Hose |
| 1986 | Chevrolet | Cavalier | 2.8L | V6 | GAS | Lower | Molded Coolant Hose |
| 1986 | Nissan | D21 | 3.0L | V6 | GAS | Upper - Engine To Pipe | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1986 | Oldsmobile | Firenza | 2.8L | V6 | GAS | Lower | Molded Coolant Hose |
| 1985 | Cadillac | Cimarron | 2.8L | V6 | GAS | Lower | Molded Coolant Hose |
| 1985 | Chevrolet | Cavalier | 2.8L | V6 | GAS | Lower | Molded Coolant Hose |
| 1985 | Oldsmobile | Firenza | 2.8L | V6 | GAS | Lower | 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.