2L1778 O-ring for Caterpillar Equipment

2L1778 is an O-ring used in equipment manufactured by Caterpillar, including articulated trucks and marine engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available fitment information identifies the part for the Caterpillar equipment models and engine series listed below. The part is classified as hardware.

Fitment

• Caterpillar Articulated Truck D44B
• Caterpillar Articulated Truck D550B
• Caterpillar Marine Engine 3208
• Caterpillar Marine Engine 3306
• Caterpillar Marine Engine 3406
• Caterpillar Marine Engine 3406B
• Caterpillar Marine Engine D333A
• Caterpillar Marine Engine D333B
• Caterpillar Marine Engine D334
• Caterpillar Marine Engine D337F
• Caterpillar Marine Engine D342
• Caterpillar Marine Engine D342C
• Caterpillar Marine Engine D343

Specifications