0951788 Back-up Ring

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

Fitment

• Excavators: Caterpillar 311, 311B, 311C, 311D LRR, 311F LRR, 312, 312B, 312B L, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313B, 313D, 313D2, 313D2 LGP, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315, 315B, 315B L, 315C, 315D L, 316E L, 317, 317B LN, 318B, 318C, 318D L, 318D2 L, 318E L, 319D, 319D L, 319D LN, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 321C, 321D LCR, 322C, 322C FM, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 324E, 324E L, 324E LN, 325C, 325C FM, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, 336E, 336E H, 336E L, 336E LH, 336E LN, 336F L, 345C, 345C L, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 568, E110, E110B, E120, E120B, E140, E180, E200B, E240, M325D L MH and M325D MH.
• Integrated tool carriers: Caterpillar IT38H and IT62H.
• Mini hydraulic excavator: Caterpillar 307B.
• Mobile hydraulic power units: Caterpillar 323D L, 323D LN, 324D LN, 325C, 325D, 329D L, 329E, 336E, 336E HVG, 345C L, 349D L, 349E and 349E L HVG.
• Track-type tractor: Caterpillar D7G.
• Wheel loaders: Caterpillar 938H, 950H, 950K, 962H, 962K, 966H, 966K, 972H and 972K.
• Wheeled excavator: Caterpillar M325C MH.

Specifications