Dayco 71133 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71133

The Dayco Curved Radiator Hose 71133 is designed to provide reliable coolant flow for select Buick, Chevrolet, Jeep, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance in your vehicle's cooling system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Dual inside diameters: 1 1/4 inch and 1 1/2 inch for precise fitment
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 18 1/2 inches suitable for specific radiator connections

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator and coolant system layouts. This product line is engineered to meet stringent SAE standards, ensuring compatibility and durability for vehicles requiring precise hose configurations. The 71133 part number represents a dual i.d. hose designed to fit multiple GM and Jeep models, offering a reliable replacement option within this specialized hose category.

Product Specifications and Compatibility

This radiator coolant hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 1/2 inches, allowing it to connect different sized fittings securely. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, which is critical for maintaining system integrity. It does not include a heat shield or protective sleeve, so installation should consider surrounding heat sources. The hose is compatible with various Buick, Chevrolet, Jeep, Oldsmobile, and Pontiac models, including the Buick Century, Chevrolet Celebrity, Oldsmobile Cutlass Ciera, Jeep Wrangler, and Pontiac 6000.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Addressing improper fitment with original hoses due to diameter differences
• Maintaining proper coolant flow in Buick Century and Chevrolet Celebrity cooling systems
• Ensuring reliable coolant circulation in Jeep Wrangler and Pontiac 6000 models

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71133, verify the correct orientation of the dual inside diameters to match the radiator and engine fittings. Ensure clamps are securely tightened to prevent leaks but avoid overtightening, which can damage the hose. Inspect surrounding components for heat exposure since this hose does not include a heat shield or protective sleeve. It is recommended to replace any worn clamps and flush the cooling system if contamination is present before installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71133 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material provides resistance to heat and coolant chemicals, contributing to the hose's durability. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable performance in automotive cooling systems.