5P9959 Bolt for Caterpillar Equipment

5P9959 is a hex head bolt used in equipment manufactured by Caterpillar, including engines, generator sets, and industrial engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar engine and machine applications and is identified by the part number formats 5P9959 and 5P-9959.

Fitment

• Caterpillar engines
• Caterpillar generator sets
• Caterpillar industrial equipment
• Caterpillar 3406E engine
• Caterpillar 3408 engine
• Caterpillar 3408B engine
• Caterpillar 3408C engine
• Caterpillar 3408E engine
• Caterpillar 3412 engine
• Caterpillar 3412E engine
• Caterpillar 3456 engine

Compatibility is specified for the Caterpillar 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412E, and 3456 engine models. The 3408 and 3412 models are listed in the source application data in more than one configuration; the duplicate entries have been consolidated above.

Cross-reference numbers

5P9959 and 5P-9959 refer to the same listed part number format. The available product data does not provide additional supplier or equipment-manufacturer cross-reference numbers.

Specifications

The thread specification is 5/16-18, indicating a 5/16-inch nominal thread diameter with 18 threads per inch. The supplied dimensions are reproduced from the available part data and include both inch specifications and the separately listed metric package or part dimensions.