Hayden Auto Trans Oil Cooler P/N:679
Shed heat from your automatic transmission fluid with the Hayden Rapid-Cool Transmission Oil Cooler with Thermal Bypass (MPN 696). This auxiliary cooler routes hot ATF through an aluminum core to lower fluid temperatures, and it drops in across a broad list of GM applications — including the 1988-1999 Chevrolet C1500 [V8-5.7L], 1988-1999 Chevrolet K1500 [V8-5.0L], 1999-2003 Chevrolet Silverado 1500 [V8-5.3L], 1976-2003 Buick LeSabre [V6-3.8L] and 1990-2003 Buick Regal [V6-3.8L]. With 1,055 applications total, see the Buyer's Guide tab for the full list.
Connections use a male hose-barb fitting (3/8) with a 0.500 in core tube diameter, and the cooler is compatible with OEM cooler systems. Backed by Hayden's decades of automotive cooling experience. Made in the Republic of Korea.
Interchange: 15472 · 243013 · 911696 · 53050 · LPD4541
This part cross-references / interchanges with the following part numbers:
What does this transmission oil cooler do?
It routes hot automatic transmission fluid through an aluminum core to lower fluid temperatures, helping keep the transmission operating within a normal temperature range.
What is the thermal bypass?
The thermal bypass regulates how fluid flows through the cooler based on temperature, so the cooling function responds to conditions rather than running full-flow at all times.
Does it include mounting hardware?
Yes. The cooler has an integrated bracket and mounting hardware is included, per the manufacturer's specifications.
What are the fitting connections?
It uses a male hose-barb connector with a 3/8 fitting and a 0.500 in core tube diameter. It is compatible with OEM cooler systems.
Will this cooler fit my vehicle?
It fits 1,055 applications across many Chevrolet, Buick and Cadillac models. Check the Buyer's Guide tab for the complete year, make, model and engine list to confirm your vehicle.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.