4M7668 Oil Seal for Caterpillar Equipment

4M7668 is an oil seal used in Caterpillar track-type tractors, autograders, wheeled excavators, wheeled tractor-scrapers, ship equipment, track loaders, and excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the 4M7668 number and is listed for the Caterpillar equipment models and machine series specified below.

Fitment

• Track-type tractors: 141, 143, 151, 161, 181, 191.
• Autograders: 12E, 120, 120B, 140, 140B.
• Wheeled excavator: M325C MH.
• Wheeled tractor-scrapers: 650B, 660B, 666, 666B.
• Ship equipment: 7231, 7241.
• Track loaders: 943, 953, 963.
• Excavators: 322B L, 325B L, 325C FM, 325D FM, 325D FM LL, 330B L, 330C FM, 330D FM.

The model designations above are grouped by Caterpillar equipment type. Fitment should be checked against the machine model and the installed component before replacement, particularly where the same equipment series has different configurations.

Cross-reference numbers

• 4M7668 — Caterpillar equipment manufacturer part number.
• 4M-7668 — Caterpillar part number format used in equipment parts references.
• 4M7668 — aftermarket interchange number.

The listed references identify the same oil seal application. The part number may be written with or without the hyphen as 4M-7668 or 4M7668.

Specifications

The dimensional data is provided as length, width, and depth for the listed 4M7668 part. No additional material, thread, seal profile, installation position, or kit contents are specified for this part number.