1552255C Plug Fits Caterpillar Models

One New Aftermarket Replacement Plug Connector Kit for Caterpillar (Cat) Equipment

This aftermarket replacement 12-pin plug connector kit is used to service or replace electrical plug connectors on Caterpillar (Cat) heavy equipment. The kit includes a black Key A 12-pin nylon plug connector assembly and a green wedge lock, providing a durable sealed electrical connection for field repair of Cat electrical system components across a wide range of machines and engines.

Kit Includes

• 12-pin nylon plug connector assembly
• Black Key A keying insert
• Green wedge lock

Compatible Models

Caterpillar Backhoe Loaders: 414E, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424B, 424B HD, 424D, 426C, 428C, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 436C, 438C, 438D, 442D, 442E, 444E, 444F, 446B, 446D, 450E, 450F

Caterpillar Challenger Tractors: 35, 45, 55, 65C, 65E, 75C, 75D, 75E, 85C, 85D, 85E, 95E, MTC835

Caterpillar Combines: 480

Caterpillar Compact Track Loaders: 259B3, 259D, 279C, 279C2, 279D, 289C, 289C2, 289D, 299C, 299D, 299D XHP

Caterpillar Compact Wheel Loaders: 901C, 902, 902C, 903C, 904B, 904H, 906, 908, 910K, 914G, 914K

Caterpillar Excavators: 311B, 311C, 311F LRR, 312B L, 312C, 312C L, 312D, 312D L, 312D2, 312D2 L, 312E, 312E L, 313D2 LGP, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315B, 315B FM L, 315B L, 315C, 315D L, 316E L, 317B LN, 318B, 318C, 318D2 L, 318E L, 319C, 319D, 319D L, 319D LN

Caterpillar Gas Engines: G3306, G3406, G3408, G3412, G3512, G3516, G3516B, G3520B, G3606, G3606B, G3608, G3612, G3616

Caterpillar Gen Set / Generator Set Engines: 3126B, 3304, 3306, 3306B, 3406B, 3406C, 3406E, 3456, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C1.5, C13, C15, C18, C27, C32

This is a broad-fitment electrical connector kit used across many Cat machine families. Verify fitment against your serial number and wiring harness before ordering.

Replaces Part Number(s):

1552255C, 1552255, 155-2255, CA1552255

New aftermarket replacement part - not remanufactured, not used.