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Gates 23120 Radiator Coolant Hose - Lower
Reliable Radiator Coolant Hose for Buick, Chevrolet, and Pontiac
The Gates Molded Coolant Hose 23120 is engineered to provide dependable coolant flow for select Buick, Chevrolet, and Pontiac models. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance and long service life in your vehicle's cooling system.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for precise fit and secure connections
- End 1 inside diameter: 1.27 inches (32 mm)
- End 2 inside diameter: 1.49 inches (38 mm)
- Centerline length: 36.5 inches (927 mm)
- Contains no internal spring for smooth coolant flow
- Compatible with Buick Allure, Chevrolet Impala, Monte Carlo, Pontiac Grand Prix, and LaCrosse
About the Gates Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on precision-molded radiator hoses designed to meet exact OEM specifications. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The 23120 part number is part of this line, offering a molded hose solution tailored for specific GM vehicles.
Detailed Product Description
This radiator coolant hose features a molded construction that ensures a secure and leak-resistant connection between the radiator and engine cooling system components. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, maintaining flexibility and strength over time. The hose's two ends have different inside diameters—1.27 inches (32 mm) and 1.49 inches (38 mm)—to accommodate specific radiator and engine fittings. With a centerline length of 36.5 inches (927 mm), it fits the cooling system layout of Buick Allure, Chevrolet Impala, Monte Carlo, and Pontiac Grand Prix and LaCrosse models precisely.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks that can cause engine overheating
- Restoration of proper coolant flow in Buick, Chevrolet, and Pontiac cooling systems
- Addressing hose swelling or softening due to heat exposure
- Eliminating coolant contamination from hose deterioration
Installation Notes and Tips
Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose orientation matches the original part, noting the different diameters on each end. Use appropriate clamps to secure the hose without over-tightening, which can damage the molded ends. Inspect surrounding components for wear during installation to maintain overall cooling system integrity.
Quality Assurance and Warranty
Gates Molded Coolant Hose 23120 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to a reliable, long-lasting replacement part. Warranty details are provided by Gates and typically cover defects in material and workmanship under normal use conditions.
| Brand | Gates |
| Part Number | 23120 |
| Position | Molded Coolant Hose, Lower |
| Material | Epdm |
| End 1 Inside Diameter | 1.27 |
| End 1 Inside Diameter | 32 |
| End 2 Inside Diameter | 1.49 |
| End 2 Inside Diameter | 38 |
| Contains Spring | No |
| Centerline Length | 36.5 |
| Centerline Length | 927 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Buick | Allure | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2009 | Buick | LaCrosse | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2009 | Chevrolet | Impala | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2008 | Buick | Allure | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2008 | Buick | LaCrosse | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2008 | Chevrolet | Impala | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2008 | Pontiac | Grand Prix | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2007 | Chevrolet | Impala | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2007 | Chevrolet | Monte Carlo | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2007 | Pontiac | Grand Prix | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2006 | Chevrolet | Impala | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2006 | Chevrolet | Monte Carlo | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2006 | Pontiac | Grand Prix | 5.3L | V8 | GAS | Lower | Molded Coolant Hose |
| 2005 | Pontiac | Grand Prix | 5.3L | V8 | 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.