0931509 Back-up Ring

Back-up ring for hydraulic sealing applications in Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Excavators: 322B L, 325B L, 325D FM, 325D FM LL, 330, 330 FM L, 330B L, 330C, 330C FM, 330C L, 330C MH, 330D FM, 330D L, 330D MH, 336D L, 336D LN, 340D L, 340D2 L, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 350, 568 FM LL, E450, E70.
• Mini hydraulic excavators: 305.5D, 305.5E, 305C CR.
• Mobile hydraulic power units: 345C L, 349E L HVG.
• Shovel logger: 345C.
• Track feller bunchers: 1290T, 1390, 2491, 2590, 521B, 522B, 532, 541, 541 2, 551, 552, 552 2, TK1051, TK732, TK751, TK752.
• Other applications: Caterpillar undercarriage OEMs.

Specifications