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 fits many vehicles, among them the 1988-1999 Chevrolet C1500 4.1L / 4.3L / 5.0L / 5.7L / 7.4L, 1999-2003 Chevrolet Silverado 1500 4.3L / 4.8L / 5.3L / 6.0L and 1988-1999 Chevrolet K1500 4.3L / 5.0L / 5.7L. See the "Vehicles it fits" section for the full list.
- Thermal bypass: regulates fluid flow through the cooler based on temperature.
- 100% pressure tested to 150 PSI for quality assurance.
- 33% more efficient than a comparable tube-and-fin design.
- Aluminum core, black finish; integrated bracket and mounting hardware included.
Connections use a male hose-barb fitting (3/8), 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:
Frequently Asked Questions
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. It is compatible with OEM cooler systems.
Will this cooler fit my vehicle?
It fits many vehicles. Check the "Vehicles it fits" section for the complete year, make, model and engine list to confirm your vehicle.
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