0857539 NBR (90) O-Ring for Caterpillar

The 0857539 NBR (90) O-Ring is a sealing ring used in Caterpillar equipment, including paving compactors, tracked bulldozers, excavators, pipe-layers, track loaders, wheel excavators, tractor-scrapers, Challenger machines and petroleum products. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Paving compactors: CB-434C, CB-534C, CB-534D, CB-544, CB-545, CB-634C.
• Tracked bulldozers: D3G, D3K LGP, D3K XL, D4G, D4K LGP, D4K XL, D5G, D5K LGP, D5K XL, D6K, D6K LGP, D6K XL, D6N, D6T, D7E, D8R, D8R II, D8T, D9T, D8GC, D8 GC.
• Challenger: MTC735, MTC745, MTC765, MTC755.
• Petroleum products: CX31-C15I, CX35-P800, TH31-E61, TH35-E81.
• Hydraulic mini excavators: 307-A, 307B.
• Wheeled tractor-scrapers: 621G, 627G, 631E, 631G, 633E II, 637E, 637G, 657G.
• Excavators: 307, 307-A, 311-A, 312-A, 313B, 315-A, 315-A L, 317 N, 317-A, 317-A N, 320 L, 320-A, 320-A L, 320-A N, 320-A S, 320N, 322 L, 322 LN, LN 322-A N, 322N, 325 L, 325 LN, 325-A, 325-A FM L, 325-A L, 325-A LN, 330 L, 330 LN, 330-A, 330-A L, 330-A L, 330-A LN, 330B L, 349E, 349E L, 349E L HVG, 349E L VG, 349F, 349F L, 352F, 352F OEM, 352F-VG, 352FMHPU, E110B, E120B, E200B, E240B, E240C, E300B, E70B, EL200B, EL240B, EL240C, EL300B.
• Pipe-layers: 583T, 587R, 587T, PL61, PL83, PL87.
• Track loaders: 953C, 953D, 963C, 963D, 973C.
• Wheel excavators: M313C, M313D, M315D, M315D2, M316D, M317D2, M318C, M318C MH, M318D, M318D MH, M320D2, M322C, M322D, M322D MH, M322D2 MH, M324D2 MH.

Cross-reference numbers

• 085-7539

Specifications