2F6678 Seal, Oil Fits Caterpillar Models

One New Aftermarket Replacement Oil Seal for Caterpillar (Cat) Equipment

This aftermarket replacement oil seal (part number 2F6678, also formatted as 2F-6678) is a lip-type seal used in Caterpillar (Cat) construction and heavy equipment. It is also identified as a starter armature seal and is included as a component of Caterpillar starter kit 5R1425. The rubber lip seal design is suited for low-to-medium speed rotating applications to prevent fluid leakage and protect internal components.

Specifications

• Seal Type: Lip type
• Shaft Diameter: 20.62 mm (approx. 21 mm)
• Bore Diameter: 35 mm
• Primary Sealing Material: Rubber (Nitrile / NBR)

Compatible Models

Caterpillar Articulated Dump Trucks: 725, 730, 735, 740, D350E II, D400E II

Caterpillar Cold Planers: PM-201, PM-565, PM-565B

Caterpillar Other Equipment: PR-450C, 816F II, 826C, 826G, 826H, 836, 836G, 836H, 815B, 815F II, 825C, 825G, 825H, 3176C, 3196, 3204, 3208, 3304, 3306, 3406, 3406B, 3406C, 3406E, 3408, 3412, 3412E, C175-16, 3512B, 3508

This part may fit additional Caterpillar Cat equipment. Verify fitment using your equipment model and serial number before ordering.

Replaces Part Number(s):

2F6678, 2F-6678

Aftermarket Interchange Numbers

Interstate-McBee M-2F6678

New aftermarket replacement part - not remanufactured, not used.