Dorman 624-045 Automatic Transmission Oil Cooler Hose Assembly - Upper

Transmission Cooler Hose for Astro and Safari

Dorman 624-045 is an automatic transmission oil cooler hose assembly built with metal and rubber components for fluid transfer between the transmission and the transmission oil cooler. It is a direct-fit replacement for select Chevrolet Astro and GMC Safari models with upper radiator-to-transmission routing.

• Fits 1996-2005 Chevrolet Astro, upper radiator to transmission
• Fits 1996-2005 GMC Safari, upper radiator to transmission
• Male quick disconnect ends on both sides
• Natural finish with metal and rubber construction
• 44-inch length for the specified routing
• Maximum working pressure: 100 psi
• Operating temperature range: -40°F to 329°F

Built for Transmission Fluid Routing

This Dorman transmission cooler hose assembly is made to move automatic transmission fluid between the transmission and cooler while maintaining a secure connection at both ends. Part number 624-045 uses male quick disconnect fittings and a rigid, non-flexible hose design to match the original routing on compatible Chevrolet Astro and GMC Safari applications. This part cross-references Sunsong 5801120 and 15053318 for the same application.

Common Problems This Part Can Address

• Transmission cooler line leakage at the hose assembly
• Cracked or deteriorated rubber sections in the cooler line
• Corrosion or damage in the original metal line
• Improper fluid transfer between the transmission and radiator cooler
• Fitment issues on upper radiator-to-transmission routing

Installation Notes and Tips

Verify the vehicle uses the upper radiator-to-transmission line configuration before installation. Inspect the quick disconnect connections, sealing surfaces, and adjacent cooler line routing for wear or contamination before connecting the replacement hose. Confirm the line length and end style match the original setup on your Astro or Safari to ensure proper routing and secure engagement.

Quality Assurance

Dorman manufactures this replacement transmission cooler hose with metal and rubber construction to support leak-resistant fluid delivery in the specified application. Part number 624-045 is built as a direct replacement for select Chevrolet Astro and GMC Safari models.