Caterpillar 3406, 3406B, 3406C Inframe-Overhaul Engine Rebuild Kit - IPD - Overhaul Kit w/CS Liner 9Y4004 / 2900017 A-B 14.5:1 JWAC 7FB & 4MG Early A-B

Parts that meet or exceed OEM specifications. Guaranteed performance you can trust. Reliability built into every component.

A century of collective diesel knowledge and 10+ acres of engines and engine parts, we are more than just an online reseller or call center. We know heavy-duty diesel.

Same location and same phone number for the last 50 years. Same commitment to getting you the right parts at the right price.

RF Engine offers an expansive offering of new aftermarket, remanufactured, and used engines and engine parts all under one roof.