One New Aftermarket Replacement Stud Bolt for Caterpillar (Cat) Construction Equipment

This M8 hexagonal head stud bolt (replaces Caterpillar part number 1439392 / 143-9392) is a metric fastener used across a wide range of Cat construction equipment assemblies. Manufactured to Grade 10.9 specifications, it delivers high tensile strength and reliable clamping force for demanding heavy equipment applications. Verify fitment against your machine's serial number and parts manual before ordering.

Specifications

• Thread Size: M8
• Thread Pitch: 1.25mm
• Hole Thread Pitch: 1.25mm
• Overall Length: 95mm
• Grip Length: 55.75mm
• Head Height: 5.25mm
• Drive: 13mm hex
• Grade: 10.9 (ISO 898-1 heat treated steel)

Compatible Models

Caterpillar: This is a general-application metric fastener used across multiple Cat equipment lines including excavators, dozers, wheel loaders, motor graders, and skid steer loaders. Consult your Cat parts manual or dealer to confirm fitment for your specific model and serial number.

Replaces Part Number(s):

1439392, 143-9392

New aftermarket replacement part - not remanufactured, not used.