8M4990 O-Ring for Caterpillar Equipment

The 8M4990 is an O-ring used in Caterpillar industrial, marine, construction, mining and earthmoving equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The part is listed for the following Caterpillar equipment models and machine series:

• Industrial engines: D346, D348, D349.
• Marine engines: D336, D346, D348, D349.
• Motor graders: 120G, 12G, 130G, 140G, 14G, 160G, 16G.
• Pipelayers: 561D, 571G, 572G, 583K, 594, 594H.
• Track loaders: 931B, 953, 977K, 977L, 983, 983B.
• Track-type tractors: D10, D3B, D5B, D5E, D6C, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7F, D7G, D7G2, D8H, D8K, D9G, D9H.
• Tractors: 772.
• Trucks: 773, 777.
• Truck engines: 1676, 1693.
• Vehicular engines: D346, D348, D349.
• Wheel loaders: 980, 992.
• Wheel scrapers: 621E, 623E, 623F, 627E.
• Wheel tractors: 621, 621B, 621E, 621F, 621G, 623B, 623G, 627, 627B, 627E, 627F, 627G, 641, 641B, 650B, 657, 657B.

Specifications