6L3960 Cotter Pins for Caterpillar Equipment

The 6L3960 cotter pins are hardware components used on equipment manufactured by Caterpillar. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The listed applications cover Caterpillar engine, generator set, industrial engine, marine engine, marine auxiliary, and engine-machine equipment. The fitment information includes the equipment series and engine models identified for part number 6L3960.

Fitment

• Engine-machine equipment: Caterpillar 3304.
• Gas engines: Caterpillar G3304 and G343.
• Generator set engines: Caterpillar 3406 and 3412.
• Generator sets: Caterpillar 3412C and C18.
• Industrial engines: Caterpillar 3114, 3116, 3126, 3126B, 3160, 3208, 3304, 3306, 3406, 3412, and D320A.
• Marine auxiliary engines: Caterpillar C32.
• Marine engines: Caterpillar 3116, 3126, 3304, 3306, 3406, 3406B, 3406E, 3408, 3412, 3412D, 3412E, C18, C32, D330A, D333A, D336, D342, D342C, and D348.

The fitment list includes both engine model designations and complete equipment application groups. For correct installation, the part number and the specific Caterpillar machine or engine configuration should be checked against the parts information for the equipment being serviced.

Specifications