12717-1-7 SEN-DURE TRANSMISSION COOLER | LE: 12717-1-7 CN | CUPRO NICKEL GEAR COOLERCummins 12717 1 7 Transmsission Gear Cooler. Cast ends. Cupro nickel, Sacrificial zinc included to maximize cooler life. 1. 75" hose barbs. Made in Long Island, NY by Lenco.

LE: 63831A3 Replaces Mercruiser 63831A3 Oil Cooler

please check the drawing and feel free to email us a photo of your failed unit to confirm

Replaces part number NA000282

CAT LE: 2251-1-7  Caterpillar Transmission / Gear Cooler

This is the cupro nickel

11049 CRUSADER DIESEL HEAT EXCHANGER | LE: 11049

Cat 2136 gear cooler

3694-2-7  COVINGTON HEAT EXCHANGER | LE:3694-2-7 |  631494

NPN Isuzu Oil Cooler

Original equipment was cupro nickel

For use on Westerbeke 35B Three / 38B Four / 42B Four Generator - Cooling System

Also replaces NA000927 CN  Cupro nickel tube bundles