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Gates 21921 Radiator Coolant Hose - Lower
Reliable Radiator Coolant Hose for Nissan 240SX
The Gates Molded Coolant Hose 21921 is engineered to provide dependable cooling system performance for your Nissan 240SX. Designed with durable EPDM and plastic materials, this radiator coolant hose ensures consistent fluid flow and heat resistance under demanding conditions.
Key Features of Gates Molded Coolant Hose 21921
- Constructed from EPDM and plastic for enhanced durability and heat resistance
- Molded design for precise fit and reliable sealing
- Centerline length of 25.8 inches (655 mm) for accurate installation
- End 1 and End 2 inside diameters both measure 1.34 inches (34 mm)
- Does not contain a spring or quick connect fittings, ensuring a straightforward hose design
- Compatible specifically with Nissan 240SX 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, reducing installation time and improving fitment accuracy. This product line uses high-quality EPDM and plastic materials to resist heat, ozone, and coolant chemicals, making it suitable for maintaining optimal engine temperatures in vehicles like the Nissan 240SX.
Detailed Product Description
The Gates Molded Coolant Hose 21921 is designed to replace the radiator coolant hose in Nissan 240SX vehicles. Its molded construction ensures a precise fit, minimizing the risk of leaks and coolant loss. The EPDM rubber material offers excellent resistance to heat and chemical degradation, while the plastic components provide structural integrity. With a centerline length of 25.8 inches and consistent inside diameters of 1.34 inches at both ends, this hose maintains proper coolant flow and system pressure without the need for additional springs or fittings.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Nissan 240SX
- Prevention of coolant leaks that can lead to engine overheating
- Restoration of proper coolant flow to maintain engine temperature regulation
- Elimination of hose collapse or deformation under pressure
- Addressing coolant hose failures caused by heat and chemical exposure
Installation Notes and Tips
Ensure the engine is cool before removing the old radiator coolant hose to avoid burns. Verify that the hose dimensions match the original part, specifically the 1.34-inch inside diameters and 25.8-inch centerline length. Use appropriate clamps to secure the hose ends firmly, and inspect for any signs of wear or damage on adjacent components during installation.
Quality Assurance and Warranty
Gates Molded Coolant Hose 21921 is manufactured to meet OEM specifications for Nissan 240SX vehicles. The use of EPDM and plastic materials ensures durability and resistance to common coolant system stresses. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.
| Brand | Gates |
| Part Number | 21921 |
| Position | Molded Coolant Hose, Lower |
| Material | Epdm, plastic |
| End 1 Inside Diameter | 1.34 |
| End 1 Inside Diameter | 34 |
| End 2 Inside Diameter | 1.34 |
| End 2 Inside Diameter | 34 |
| Contains Spring | No |
| Centerline Length | 25.8 |
| Centerline Length | 655 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Nissan | 240SX | 2.4L | L4 | GAS | Lower | Molded Coolant Hose |
| 1992 | Nissan | 240SX | 2.4L | L4 | GAS | Lower | Molded Coolant Hose |
| 1991 | Nissan | 240SX | 2.4L | L4 | 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.