993649 Bolt Fits Caterpillar Models
993649 Bolt Fits Caterpillar Models
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One New Aftermarket Replacement Hex Head Bolt for Caterpillar (Cat) Equipment
This aftermarket replacement hex head bolt replaces Caterpillar (Cat) OEM part number 993649 (also referenced as 0993649 and 099-3649). It is an M8-1.25 x 40mm metric coarse-thread hex head bolt with a zinc flake corrosion-resistant coating, used across a wide range of Caterpillar construction and industrial equipment platforms.
Specifications
- Bolt Type: Hex Head
- Thread Size: M8 x 1.25 (Metric Coarse)
- Length: 40mm
- Finish: Zinc Flake (lamellar zinc coating)
- Standard: ISO 898-1 Class 10.9
Compatible Models
Caterpillar Articulated Dump Trucks: 725, 730, 735, D250E II, D300E II, D350E II, D400E II
Caterpillar Generator Sets and Engines: G3512, G3512E, G3516C, 3512C, 3512E, C9.3, C15, C175-20
Additional Caterpillar Equipment: Verify fitment by part number 993649 / 0993649 -- this bolt appears across numerous Cat machine families. Confirm your OEM part number before ordering.
Replaces Part Number(s):
993649, 0993649, 099-3649
New aftermarket replacement part - not remanufactured, not used.



