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Gates 21551 Radiator Coolant Hose - Upper - Cap To Engine, Upper - Filler Neck To Engine or Upper - Pipe To Radiator
Reliable Radiator Coolant Hose for Suzuki and Toyota Vehicles
The Gates Molded Coolant Hose 21551 is designed to provide a durable and precise fit for select Suzuki and Toyota models, including the Corolla, Grand Vitara, and MR2. Engineered with quality EPDM material, this radiator coolant hose ensures consistent performance under varying temperature conditions.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for exact fit and secure connections
- Centerline length of 229 mm (9 inches) for proper routing
- Consistent inside diameter of 1.19 inches (30 mm) on both ends
- Compatible with Suzuki Grand Vitara and Toyota Corolla and MR2 models
About the Gates Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on precision-molded hoses that provide reliable coolant flow and fitment accuracy. These hoses are designed to meet OEM specifications, offering a molded construction that eliminates the need for additional clamps or fittings. The 21551 part number is part of this line, ensuring a consistent and secure coolant path for your vehicle’s cooling system.
Product Details and Specifications
This radiator coolant hose features an EPDM (ethylene propylene diene monomer) rubber construction, known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.19 inches (30 mm), providing uniform connections to the radiator and engine components. The molded design ensures a precise shape and length, with a centerline length of 229 mm (9 inches), which helps maintain proper coolant flow and prevents leaks. This hose does not contain any springs or quick connect fittings, simplifying installation and maintenance.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Suzuki Grand Vitara and Toyota Corolla or MR2
- Resolving coolant leaks caused by hose degradation or swelling
- Preventing overheating issues due to compromised coolant flow
- Maintaining proper coolant system pressure and circulation
- Ensuring compatibility with OEM cooling system components
Installation Notes and Tips
Before installation, verify the hose dimensions and fitment with your vehicle’s specifications. Ensure the cooling system is cool and depressurized to avoid injury. Remove the old hose carefully, inspecting the connecting points for corrosion or damage. The molded design of the Gates 21551 hose allows for straightforward installation without additional fittings. Secure clamps should be used to maintain a tight seal and prevent leaks. After installation, refill and bleed the cooling system as recommended by the vehicle manufacturer.
Quality Assurance and Warranty
Gates Molded Coolant Hose 21551 is manufactured to meet strict quality standards, ensuring durability and reliable performance in automotive cooling systems. The EPDM material and molded construction contribute to long service life under normal operating conditions. Please refer to Gates’ official warranty policy for specific coverage details related to this part.
| Brand | Gates |
| Part Number | 21551 |
| Position | Molded Coolant Hose, Upper - Filler Neck To Engine, Upper - Cap To Engine, and Upper - Pipe To Radiator |
| Material | Epdm |
| End 1 Inside Diameter | 1.19 |
| End 1 Inside Diameter | 30 |
| End 2 Inside Diameter | 1.19 |
| End 2 Inside Diameter | 30 |
| Contains Spring | No |
| Centerline Length | 229 |
| Centerline Length | 9 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | Suzuki | Grand Vitara | 2.4L | L4 | GAS | Upper - Filler Neck To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2012 | Suzuki | Grand Vitara | 2.4L | L4 | GAS | Upper - Filler Neck To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2011 | Suzuki | Grand Vitara | 2.4L | L4 | GAS | Upper - Filler Neck To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2010 | Suzuki | Grand Vitara | 2.4L | L4 | GAS | Upper - Filler Neck To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Suzuki | Grand Vitara | 2.4L | L4 | GAS | Upper - Filler Neck To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1989 | Toyota | MR2 | 1.6L | L4 | GAS | Upper - Cap To Engine | Molded Coolant Hose |
| 1988 | Toyota | MR2 | 1.6L | L4 | GAS | Upper - Cap To Engine | Molded Coolant Hose |
| 1987 | Toyota | Corolla | 1.6L | L4 | GAS | Upper - Pipe To Radiator | Molded Coolant Hose |
| 1987 | Toyota | MR2 | 1.6L | L4 | GAS | Upper - Cap To Engine | Molded Coolant Hose |
| 1986 | Toyota | MR2 | 1.6L | L4 | GAS | Upper - Cap To Engine | Molded Coolant Hose |
| 1985 | Toyota | MR2 | 1.6L | L4 | GAS | Upper - Cap To Engine | 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.