Dayco 70533 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70533

The Dayco Curved Radiator Hose 70533 is designed to provide reliable coolant flow for select Buick, Chevrolet, GMC, and Oldsmobile vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 1 1/2 inch diameter on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved design tailored for specific vehicle fitment
• Trunk height of 22 inches for proper routing and clearance

Detailed Product Description

This Dayco Curved Radiator Hose 70533 is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/2 inches, making it suitable for radiator coolant systems requiring this size. The hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable coolant transfer. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

The Curved Radiator Hose product line from Dayco is designed to accommodate specific routing needs in vehicle cooling systems. This curved design helps maintain proper coolant flow and fitment in tight engine compartments, reducing stress on the hose and connections.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with a range of classic and late-model vehicles, including Buick, Chevrolet, GMC, and Oldsmobile models such as the Chevrolet C10, C10 Suburban, C30, C1500, C1500 Suburban, Buick LeSabre, Riviera, Oldsmobile Cutlass series, and more. The part number 70533 ensures precise fitment for these applications.

• Replaces worn or cracked radiator hoses in compatible Buick, Chevrolet, GMC, and Oldsmobile vehicles
• Prevents coolant leaks and overheating issues caused by hose degradation
• Restores proper coolant flow for engine temperature regulation
• Addresses hose swelling or softening due to age or chemical exposure
• Supports maintenance of original equipment cooling system performance

Installation Notes and Tips

• Verify hose diameter and length match your vehicle’s specifications before installation
• Ensure clamps are properly tightened to prevent leaks without damaging the hose
• Inspect surrounding components for wear or damage during replacement
• Flush cooling system if hose failure was due to contamination or corrosion
• Allow engine to cool before removing old hose to avoid burns

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70533 to meet SAE standards, providing assurance of material quality and dimensional accuracy. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in material and workmanship. Using this hose helps maintain the integrity of your vehicle’s cooling system with a reliable replacement part.