CSF Universal Dual-Pass Internal/External Oil Cooler


  • $389.99 CAD


BOSS Cooler Premium Oil Cooler from CSF

Premium Internal/External Dual-pass universal oil cooler

Introducing the BOSS cooler! The premium oil cooler has been reinvented by CSF, and is now available in limited quantities through CSF’s distribution & dealer network worldwide.

We were originally approached about this oil cooler concept about 1 year ago before SEMA 2015 by Robb Ferguson, owner of the mustard yellow RocketBunny “BOSS” S14 you see in these pictures. The conversation we had with Robb was that there was a “very limited range of options for a high performance external mounted oil cooler besides old junky RX-7 oil coolers.” With the new Rocket Bunny kit coming out for the S14 / 240SX, he wanted to not only have something more modern, sleek, and durable than the current options on the market, but also convinced us at CSF that there was a market for the BOSS cooler if we were to put them into production.

With our development calendar full, our factories nearing capacity, plus a couple of design revisions that slowed things down a little bit, it sure did take a while to get these made, but we’re very happy about how they turned out. We’re very excited to offer our new BOSS cooler to the high performance and resto-mod market! A new high performance oil cooler that can be used both internally as well as externally on any vehicle with it’s universal design configuration.

We decided to finish off the design in a special thermal rejection semi-gloss / matte-black powder coating paint process. We then topped it off with our throw-back logo to complete the old school vibe for users choosing to mount externally.

Dimensions of the BOSS Cooler

Core: 441mm length x 120mm height x 55mm width (inches: 17.36’ length x 4.72’ height x 2.17’ width)

Tank – to – tank: 520mm length x 120mm height x 55 mm width (inches: 20.48’ length x 4.72’ height x 2.17’ width)

Overall (including fittings + mounting bosses): 547mm length x 136mm height x 76mm width (inches: 21.5’ length x 5.35’ height x 3.00’ width)

CSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps.


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