Gates 21270 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Buick, Oldsmobile, and Pontiac

The Gates Molded Coolant Hose 21270 is designed to provide dependable cooling system performance for select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for long-lasting service.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and secure connections
• Centerline length of 31.8 inches (808 mm) for accurate replacement
• Inside diameter of 1.25 inches (32 mm) on both ends for consistent coolant flow
• Compatible with Buick Firebird, Oldsmobile Reatta and Riviera, Pontiac Firebird, and Toronado 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 match specific vehicle cooling system configurations. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded construction of part number 21270 ensures a precise fit for the intended Buick, Oldsmobile, and Pontiac applications, maintaining optimal coolant flow and system integrity.

Product Details and Specifications

This radiator coolant hose features a molded design with no spring reinforcement, relying on the EPDM material's inherent strength and flexibility. Both ends have an inside diameter of 1.25 inches (32 mm), providing uniform connections to the radiator and engine fittings. The hose measures 31.8 inches (808 mm) in centerline length, matching OEM specifications for proper routing and fitment. It contains no branches or quick connect fittings, simplifying installation and compatibility with the specified vehicle models.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Buick Firebird and Pontiac Firebird
• Addressing coolant leaks caused by deteriorated hoses in Oldsmobile Reatta and Riviera
• Restoring proper coolant flow in Pontiac Toronado cooling systems
• Preventing overheating issues related to compromised radiator hoses
• Maintaining engine temperature regulation by ensuring secure coolant circulation

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure the hose ends firmly, and inspect all connections for leaks after installation. The molded design of the Gates 21270 hose facilitates straightforward replacement without modification.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21270 to meet or exceed OEM standards for durability and performance. The EPDM material resists heat, ozone, and coolant chemicals, contributing to a reliable service life. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support customer confidence in fit and function.