K-3159 Eaton Fuller Washer Update Kit

The Eaton Fuller K-3159 or K3159 Washer Update Kit is a genuine OEM mainshaft update kit designed for RTX and RTXF series manual transmissions. The kit includes a mainshaft assembly (S-2688), three gears (4302384, 4303409, 4303476), a mainshaft gear (4303493), four washers (4302398), two washers (4303603), a mainshaft SPL key (4304614), a snap ring (16763), and three service letters (L-1096, L-1096-1, L-1096-2). Confirmed fitment in the factory parts manuals for seventeen transmission models, including RTX-11709A, RTX-12709B, RTX-14709H, RTXF-11710C, and RTXF-14709H. Call us to confirm proper fit for your application.

Features

Genuine Eaton Fuller part number K-3159 or K3159
Includes mainshaft assembly S-2688, three mainshaft gears, and one mainshaft gear (M/S designation)
Four washers (4302398) and two washers (4303603) included for complete update
Mainshaft SPL key (4304614) and snap ring (16763) included
Three factory service letters (L-1096, L-1096-1, L-1096-2) packed with kit
Listed in factory parts manuals for 17 RTX and RTXF transmission models

Tech Specs

• Transmission Models (from factory parts manuals): RTX-11709A, RTX-11709B, RTX-11709H, RTX-11710B, RTX-12709A, RTX-12709B, RTX-12709H, RTX-13709H, RTX-14709A, RTX-14709B, RTX-14709H, RTXF-11709H, RTXF-11710B, RTXF-11710C, RTXF-12709H, RTXF-13709H, RTXF-14709H
• Kit Contents: Mainshaft Assembly (S-2688) x1, Gear (4302384) x1, Gear (4303409) x1, Gear (4303476) x1, Gear M/S (4303493) x1, Washer (4302398) x4, Washer (4303603) x2, Key M-Shaft SPL (4304614) x1, Snap Ring (16763) x1, Service Letters (L-1096, L-1096-1, L-1096-2) x1 each
• Sold as: Each