4P8278 Lock for Caterpillar Equipment

The 4P8278 Lock is a steel fastening component used on Caterpillar equipment, including Challenger machines and Caterpillar engine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the SKU 4P8278 and the formatted part number 4P-8278. The supplied application data covers Caterpillar Challenger equipment as well as Caterpillar engine-machine, industrial-engine and truck-engine applications. The listed machine and engine model references are provided below.

Fitment

• Caterpillar Challenger
• Caterpillar Engine - Machine
• Caterpillar Engine - Industrial
• Caterpillar Engine - Truck
• Caterpillar 75C
• Caterpillar 85C
• Caterpillar 3176
• Caterpillar 3176B

The fitment information identifies the lock for the Caterpillar 75C and 85C models and for Caterpillar 3176 and 3176B engine applications. The model designation 3176 is listed once despite appearing more than once in the source application data.

Cross-reference numbers

• 4P-8278
• 4P8278

4P-8278 is the formatted part number associated with SKU 4P8278. Both designations identify the same lock in the supplied product data; the hyphenated number is used as the part-number format, while the unhyphenated number is used as the SKU.

Specifications

The dimensional data supplied for the part includes an 11 hole diameter, an 89.44 hole center distance and a thickness of 0.8 mm. Overall listed dimensions are 8.89 cm in length, 15.24 cm in width and 1.27 cm in depth. The stated material is steel, and the listed weight is 0.1 lb.