7Y4628 Ring Backup

7Y4628 is a backup ring for transmission seal applications on Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The part is listed for the following Caterpillar equipment models and machine series:

• Excavators: 318B, 318C, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320C, 320E LN, 321D LCR, 323D L, 323D LN, 323D SA, 323E L, 324D, 324D FM, 324D L, 324D LN, 324E L, 324E LN, 325, 325 L, 325 LN, 325B L, 325C, 325D, 325D FM, 325D L, 329D L, 329D LN, 329E L, 329E LN, 330B L, 330C, 330D L, 345B L
• Mobile hydraulic power units: 324D LN, 325D, 329D L
• Track feller bunchers: 1090, 1190, 1190T, 1290T, 1390, 2290, 2390, 2391, 2491, 2590, 511, 521, 521B, 522, 522B, 532, 541, 541 2, 551, 552, 552 2, TK711, TK721, TK722, TK732, TK741, TK751, TK752
• Wheel loaders: 980M, 982M
• Wheeled excavators: M320

Specifications