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Gates 21739 Radiator Coolant Hose
Reliable Radiator Coolant Hose for Multiple Vehicle Makes
The Gates Molded Coolant Hose 21739 is engineered to provide dependable coolant flow for a variety of vehicles including Audi, Toyota, Ford, and Volkswagen models. Designed with durable EPDM material, this molded radiator coolant hose ensures consistent performance and long service life.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and leak prevention
- Centerline length of 145 mm (5.7 inches) for accurate installation
- Inside diameter of 16 mm (0.62 inches) on both ends
- Compatible with multiple makes and models including Audi A4 Quattro, Toyota Celica, and Ford Liberty
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 reliability. This product line uses EPDM material known for its resistance to heat, ozone, and coolant chemicals, making it suitable for radiator applications in various passenger vehicles. The molded construction eliminates the need for additional clamps or fittings, ensuring a secure and leak-free connection.
Product Details and Specifications
The Gates 21739 radiator coolant hose features a molded design with a centerline length of 145 mm (5.7 inches), providing a precise fit for the cooling system. Both ends have an inside diameter of 16 mm (0.62 inches), allowing for consistent coolant flow. This hose does not contain any springs or quick connect fittings, simplifying the installation process. Its EPDM construction offers durability against heat and coolant exposure, making it suitable for vehicles such as the Audi 90 Quattro, Buick Terraza, Chevrolet Montana, Lexus GS450h, and Volkswagen Passat.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks that can cause engine overheating
- Restoration of proper coolant flow in vehicles with degraded hoses
- Addressing hose failures in Audi A6 Quattro and Toyota Celica cooling systems
- Ensuring reliable coolant circulation in Ford Liberty and Pontiac Sable models
Installation Notes and Tips
Before installation, ensure the engine is cool and the cooling system is depressurized. Verify the hose dimensions match the original part, specifically the 16 mm inside diameter and 145 mm length. The molded design allows for straightforward replacement without additional fittings. Inspect hose connections for proper seating to prevent leaks. It is recommended to replace any worn clamps during installation to maintain a secure fit.
Quality Assurance and Warranty
Gates Molded Coolant Hose 21739 is manufactured to meet OEM standards for fit and durability. The EPDM material provides resistance to heat, ozone, and coolant chemicals, contributing to long-term reliability. While specific warranty details are not provided, Gates products typically adhere to industry quality controls ensuring consistent performance in compatible vehicles.
| Brand | Gates |
|---|---|
| Part Number | 21739 |
| Position | Molded Coolant Hose, Radiator To Tee |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 5.7 |
| Centerline Length | 145 |
| Contains Spring | No |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 100 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Lexus | GS450h | 3.5L | V6 | ELECTRIC/GAS | Radiator To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2010 | Lexus | GS450h | 3.5L | V6 | ELECTRIC/GAS | Radiator To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Chevrolet | Uplander | 3.9L | V6 | FLEX | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Chevrolet | Uplander | 3.9L | V6 | FLEX | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Chevrolet | Uplander | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Chevrolet | Uplander | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Lexus | GS450h | 3.5L | V6 | ELECTRIC/GAS | Radiator To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Pontiac | Montana | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2009 | Pontiac | Montana | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Chevrolet | Uplander | 3.9L | V6 | FLEX | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Chevrolet | Uplander | 3.9L | V6 | FLEX | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Chevrolet | Uplander | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Chevrolet | Uplander | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Lexus | GS450h | 3.5L | V6 | ELECTRIC/GAS | Radiator To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Pontiac | Montana | 3.9L | V6 | FLEX | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Pontiac | Montana | 3.9L | V6 | FLEX | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Pontiac | Montana | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2008 | Pontiac | Montana | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Buick | Terraza | 3.9L | V6 | FLEX | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Buick | Terraza | 3.9L | V6 | FLEX | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Buick | Terraza | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Buick | Terraza | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Chevrolet | Uplander | 3.9L | V6 | FLEX | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Chevrolet | Uplander | 3.9L | V6 | FLEX | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Chevrolet | Uplander | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Chevrolet | Uplander | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Lexus | GS450h | 3.5L | V6 | ELECTRIC/GAS | Radiator To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Pontiac | Montana | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Pontiac | Montana | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Saturn | Relay | 3.9L | V6 | FLEX | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Saturn | Relay | 3.9L | V6 | FLEX | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Saturn | Relay | 3.9L | V6 | GAS | Pipe-2 To Tee-2 | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2007 | Saturn | Relay | 3.9L | V6 | GAS | Tee-2 To Thermostat | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Buick | Terraza | 3.9L | V6 | GAS | Pipe-2 To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Buick | Terraza | 3.9L | V6 | GAS | Tee To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Chevrolet | Uplander | 3.9L | V6 | GAS | Pipe-2 To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Chevrolet | Uplander | 3.9L | V6 | GAS | Tee To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Jeep | Liberty | 3.7L | V6 | GAS | Engine To Pipe-1 | Molded Coolant Hose |
| 2006 | Pontiac | Montana | 3.9L | V6 | GAS | Pipe-2 To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Pontiac | Montana | 3.9L | V6 | GAS | Tee To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Saturn | Relay | 3.9L | V6 | GAS | Pipe-2 To Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2006 | Saturn | Relay | 3.9L | V6 | GAS | Tee To Engine | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2005 | Jeep | Liberty | 3.7L | V6 | GAS | Engine To Pipe-1 | Molded Coolant Hose |
| 2004 | Jeep | Liberty | 3.7L | V6 | GAS | Engine To Pipe-1 | Molded Coolant Hose |
| 2003 | Jeep | Liberty | 3.7L | V6 | GAS | Engine To Pipe-1 | Molded Coolant Hose |
| 2002 | Jeep | Liberty | 3.7L | V6 | GAS | Engine To Pipe-1 | Molded Coolant Hose |
| 2001 | Audi | A4 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2001 | Audi | A4 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2001 | Volkswagen | Passat | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2000 | Audi | A4 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2000 | Audi | A4 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 2000 | Volkswagen | Passat | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1999 | Audi | A4 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1999 | Audi | A4 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1999 | Volkswagen | Passat | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1998 | Audi | A4 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1998 | Audi | A4 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1998 | Volkswagen | Passat | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1997 | Audi | A4 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1997 | Audi | A4 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1996 | Audi | A4 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1996 | Audi | A4 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1996 | Audi | A6 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1996 | Audi | A6 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1996 | Audi | Cabriolet | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1995 | Audi | 90 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1995 | Audi | 90 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1995 | Audi | A6 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1995 | Audi | A6 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1995 | Audi | Cabriolet | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1995 | Mercury | Sable | 3.0L | V6 | GAS | N/A | Molded Coolant Hose |
| 1995 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1994 | Audi | 100 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1994 | Audi | 100 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1994 | Audi | 90 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1994 | Audi | 90 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1994 | Audi | Cabriolet | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1994 | Mercury | Sable | 3.0L | V6 | GAS | N/A | Molded Coolant Hose |
| 1994 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1993 | Audi | 100 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1993 | Audi | 100 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1993 | Audi | 90 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1993 | Audi | 90 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1993 | Mercury | Sable | 3.0L | V6 | GAS | N/A | Molded Coolant Hose |
| 1993 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1993 | Toyota | Celica | 2.0L | L4 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1992 | Audi | 100 | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1992 | Audi | 100 Quattro | 2.8L | V6 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1992 | Mercury | Sable | 3.0L | V6 | GAS | N/A | Molded Coolant Hose |
| 1992 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1992 | Toyota | Celica | 2.0L | L4 | GAS | N/A | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1991 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1990 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1989 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1988 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1987 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | Molded Coolant Hose |
| 1986 | Ford | Cougar | 3.8L | V6 | GAS | Inlet | Molded Coolant Hose |
| 1986 | Mercury | Cougar | 3.8L | V6 | GAS | Inlet | Molded Coolant Hose |
| 1986 | Mercury | Marquis | 3.8L | V6 | GAS | Inlet | Molded Coolant Hose |
| 1986 | Mercury | Sable | 3.0L | V6 | GAS | Pipe-3 To Thermostat | 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.