1633491 Pin for Caterpillar Equipment

1633491 is a straight pin used on Caterpillar excavators. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The pin is identified by the equipment manufacturer’s catalog number 163-3491 and is intended for installation in the specified Caterpillar excavator models and series. The part has a puller hole to assist with removal during service operations.

Fitment

• Equipment brand: Caterpillar
• Equipment type: Excavator
• Caterpillar 345B
• Caterpillar 345B II
• Caterpillar 345B L
• Caterpillar 350 L
• Caterpillar 350-A
• Caterpillar 350-A L

Fitment is listed for the Caterpillar excavator models and series above. Model configuration, production version and machine serial number should be checked before installation where more than one variation of the equipment is in service.

Cross-reference numbers

• 163-3491 — Caterpillar catalog number
• 1633491 — product SKU and number format without the separator

The identifiers 163-3491 and 1633491 refer to the same pin number in different written formats. The number marked on the removed part and the machine parts documentation should be compared with these references.

Specifications

The 3.94 in diameter and 30.71 in length describe the pin itself. The length, width and depth values of 96 cm, 12 cm and 12 cm are listed separately as product dimensions. The puller hole is part of the pin design and is intended for engagement by a removal tool during disassembly.