6H1871 Silicone O-ring for Caterpillar Equipment

6H1871 is a silicone O-ring used with Caterpillar excavators, marine engines, motor graders, pipelayers, track loaders, track-type tractors, and wheel tractors. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The listed applications cover Caterpillar equipment from several machine categories and include the models specified below. The part is identified by SKU 6H1871 and is supplied as a silicone O-ring.

Fitment

• Excavators: Caterpillar 235, 235B, 235C, 235D, and 245 series machines, including models 245 and 245B.
• Marine engines: Caterpillar D375D and D397D.
• Motor graders: Caterpillar 16 and 16G.
• Pipelayers: Caterpillar 594.
• Track loaders: Caterpillar 977H and 983B.
• Track-type tractors: Caterpillar D8H, D8K, D9G, and D9H.
• Wheel tractors: Caterpillar 621, 621B, 623B, 623F, and 631C.

The fitment information applies to the equipment models and machine series listed above. Equipment type is shown together with each model group to distinguish the intended application of the O-ring across excavator, engine, grading, pipelaying, loading, tractor, and wheel tractor equipment.

Specifications