HomeBelts and Cooling > Hoses and PipesGates 21551 Radiator Coolant Hose - Upper - Cap To Engine, Upper - Filler Neck To Engine or Upper - Pipe To Radiator
Part #: 21551

Gates 21551 Radiator Coolant Hose - Upper - Cap To Engine, Upper - Filler Neck To Engine or Upper - Pipe To Radiator

Molded Coolant Hose, Upper - Filler Neck To Engine, Upper - Cap To Engine, and Upper - Pipe To Radiator
⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper - Filler Neck To Engine, Upper - Cap To Engine, and Upper - Pipe To Radiator
🚗Fitment: Suzuki and Toyota, Corolla, Grand Vitara, and MR2
🔄Easy Returns — Return within 60 days for a full refund
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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.

BrandGates
Part Number21551
PositionMolded Coolant Hose, Upper - Filler Neck To Engine, Upper - Cap To Engine, and Upper - Pipe To Radiator
MaterialEpdm
End 1 Inside Diameter1.19
End 1 Inside Diameter30
End 2 Inside Diameter1.19
End 2 Inside Diameter30
Contains SpringNo
Centerline Length229
Centerline Length9
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013SuzukiGrand Vitara2.4LL4GASUpper - Filler Neck To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2012SuzukiGrand Vitara2.4LL4GASUpper - Filler Neck To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2011SuzukiGrand Vitara2.4LL4GASUpper - Filler Neck To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2010SuzukiGrand Vitara2.4LL4GASUpper - Filler Neck To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009SuzukiGrand Vitara2.4LL4GASUpper - Filler Neck To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989ToyotaMR21.6LL4GASUpper - Cap To EngineMolded Coolant Hose
1988ToyotaMR21.6LL4GASUpper - Cap To EngineMolded Coolant Hose
1987ToyotaCorolla1.6LL4GASUpper - Pipe To RadiatorMolded Coolant Hose
1987ToyotaMR21.6LL4GASUpper - Cap To EngineMolded Coolant Hose
1986ToyotaMR21.6LL4GASUpper - Cap To EngineMolded Coolant Hose
1985ToyotaMR21.6LL4GASUpper - Cap To EngineMolded 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:

14-2134-816571160301784178K0020194S2155154-01426664338266KM-2207MH-4551

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.