Interstate-McBee® Caterpillar® 4L3756 Thrust Bearing (379 / 398 / 399) (Expected @ March 2025) 3408503 Exhaust Valve Insert

Exhaust Valve Insert

Also offered as 312605-049 (imaged for reference) with a 2 Year Warranty

00" OD x 4

Select Mack® Applications : R / RB / RD / DM / U Models

Mack 20QE389

Interstate-McBee® Caterpillar® 4L3756 Thrust Bearing (379 / 398 / 399) (Expected @ March 2025) 3408503 Exhaust Valve InsertProduct Details : Interstate McBee Caterpillar 4L3756 Thrust Bearing (379 398 399) Please do not hesitate to contact us with your vehicle, engine and or part(s) details to determine if this product is appropriate for a particular engine and or application. Interstate McBee : Brand New, Premium Aftermarket (except as noted) ISO9001: 2015 with Design Standard and AAR Certification Heavily Focused on U. S. A. Manufacturing Serving the Diesel & Gas