5M2998 - Retaining Ring
5M2998 - Retaining Ring
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One New Aftermarket Replacement Anti-Extrusion Ring for Caterpillar (Cat) Construction Equipment
This aftermarket replacement 5M2998 anti-extrusion ring (also cataloged as a preformed packing ring) is a nylon plastic sealing component used in the idler assembly on Caterpillar (Cat) track-type equipment. The ring seats alongside O-ring seals to prevent seal extrusion under hydraulic or mechanical load, maintaining a leak-free assembly in demanding construction environments.
Specifications
- Inside Diameter: 84.6 mm (3.33 in)
- Cross Section Height: 2 mm
- Cross Section Width: 3.2 mm
- Material: Nylon Plastic
Compatible Models
Caterpillar Bulldozers / Track-Type Tractors: D6C, D6D, D6E, D6E SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7F, D7G, D7G2
Caterpillar Pipelayers: 571G, 572G
Caterpillar Track Loaders: 955K, 955L, 977D, 977H, 977K, 977L
Caterpillar Excavators: 215, 215B, 225, 227, 229
Caterpillar Compactors / Other: FB221
Replaces Part Number(s):
5M2998, 5M-2998
New aftermarket replacement part - not remanufactured, not used.
