Dan's oil coolers have been in production for more than 20 years. The cooler is designed to keep your oil temperature within a safe operating range, therefore insuring longer engine life, and also to preheat water entering the engine, allowing for more efficient running.
This Olsen hi-performance engine oil cooler has a unique feature - it bolts directly to the engine block and requires no additional oil plumbing. It merely sandwiches between the oil filter pad and oil filter.
Available in either 1-1/4" push-on fittings or AN style fittings to plumb the water inlet and exit This cooler uses a large well designed 3" core and is available hard anodized or polished as an option An offshore model is available to clear mid-engine motor mounts This cooler completely disassembles for servicing.