Derale combination cooler has the engine oil cooler and transmission cooler together in one core.
Combination of a 6-pass engine oil cooler with a 4-pass transmission cooler.
Features include 1/2” seamless copper tubes expanded into 3/4” aluminum fins, plastic edge guard protectors and an attractive black powder coated finish.
Cooler size: 12.5” x 17” x 3/4”. Kit with large diameter thermostatically controlled Sandwich adapter (3-1/2" O-Ring).

** Most Chevrolet/GMC V-8’s prior to 2001 (except 4-wheel drive V-8’s after 1988) require this large diameter sandwich adapter. All 7.4L (454) and 8.1L (all years).

Actual part may vary from the picture !