Description: Backup Rings prevent seal extrusion in high pressure applications, and may be used to protect the life of overall sealing system from ...

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caterpillar part number parts caterpillar 320c 950e caterpillar part

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0875389 RING-SEAL Caterpillar parts 325B L, 325C FM, 325D FM, 325D FM LL, 330B L, 330C FM, 330D FM, 345B II, 345B L, 345C, 350, 350 L, 365B, 365B II, M325B, M325C MH, M325D L MH