1D4540 Capscrew Fits Caterpillar Models

One New Aftermarket Replacement Capscrew for Caterpillar (Cat) Equipment

This Grade 8 hex head capscrew is a direct-fit aftermarket replacement for Caterpillar OEM part number 1D4540. Used across a wide range of Cat construction, agricultural, and engine applications, this standard hardware fastener is a phosphate and oil coated plain hex head bolt commonly needed during servicing and repair of Cat equipment.

Specifications

• Thread Size: 5/16"-18 UNC
• Length: 2-1/3"
• Head Type: Hex Head
• Grade: 8
• Coating: Phosphate and Oil (Plain)
• Weight: 0.06 lbs (approx.)

Compatible Models

Caterpillar Motor Graders: 12E, 12G, 12H, 12H ES, 12H NA, 120B, 120G, 120H, 120H ES, 120H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA

Caterpillar Articulated Trucks: D25C, D250B, D250E, D250E II, D30C, D300B, D300E, D300E II, D350C, D35C

Caterpillar Challengers: 65, 65C, 65E, 75C, 75D, 75E, 85C, 85D, 85E, 95E, MTC835

Caterpillar Cold Planers: PM-201, PM-465, PM-565, PR-1000, PR-450C, PR-750B

Caterpillar Compact Wheel Loaders: 910

Caterpillar Engines: 1673C, 3304

Caterpillar Excavators: 215, 215B, 225, 235B, 235C, 235D, 245, 330, 330 FM L, 330 L, 330B, 330B L, 350, E180, E300B

Caterpillar Gen Set Engines: 3160, 3208, 3304, 3304B, 3306, 3306B, 3406, 3408, 3408B, 3412, 3412C, 3508, 3508B, 3512, 3512B, 3516, 3516B, D399, G3412C, G3508

Caterpillar Gas Engines: G3304, G3304B, G3306, G3306B, G3408, G3408B, G3408C, G3412, G343, G3516, G353D, G3606, G3606B, G3608, G3612, G3616, G379, G398

Caterpillar Other: 1150

Note: This part fits additional Caterpillar models not listed above. Verify fitment by cross-referencing OEM part number 1D4540 with your machine's parts manual.

Replaces Part Number(s):

1D4540, 1D-4540

Aftermarket Interchange Numbers

7X0274

New aftermarket replacement part - not remanufactured, not used.