1A8537 Bolt High Head Fits Caterpillar Models
1A8537 Bolt High Head Fits Caterpillar Models
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One New Aftermarket Replacement High Head Bolt for Caterpillar (Cat) Motor Graders and Construction Equipment
This high head hex capscrew is a heavy-duty fastener used across a wide range of Caterpillar (Cat) construction equipment applications. The high dome hex head profile provides added strength, extended wear life, and reusability in demanding service conditions. The phosphate and oil coating provides corrosion resistance suitable for heavy equipment use.
Specifications
- Bolt Type: Hex High Head Capscrew
- Thread Size: 5/8 in - 11 TPI (Coarse Thread UNC)
- Total Bolt Length: 2-3/4 in
- Grip Length: 1.25 in
- Head Width: 0.94 in
- Head Height: 0.48 in
- Finish: Phosphate and Oil Coated
- Weight: 0.30 lbs
Compatible Models
Caterpillar Motor Graders: 12E, 12F, 12G, 12H, 12H ES, 12H NA, 14E, 14G, 14H, 14H NA, 118, 119, 120, 120B, 120G, 120H ES, 120H NA, 130G, 135H NA, 140, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 160G, 160H, 160H NA, 163H, 163H NA
Caterpillar Backhoe Loaders: 416B, 428B
Caterpillar Articulated Dump Trucks: D250E, D300E, D350E, D400E
Caterpillar Cold Planers: PM-201, PM-565, PM-565B
Caterpillar Earthmoving Compactors: 816F
Note: This bolt is used across many Caterpillar assemblies and equipment lines. Verify fitment by cross-referencing the OEM part number 1A8537 against your machine's parts manual.
Replaces Part Number(s):
1A8537, 1A-8537
New aftermarket replacement part - not remanufactured, not used.



