0S1615 Cap Screw Fits Caterpillar Models

One New Aftermarket Replacement Cap Screw for Caterpillar (Cat) Equipment

This aftermarket replacement cap screw replaces Caterpillar OEM part number 0S1615. It is a 1/4-20 UNC coarse-thread hex head bolt with a phosphate and oil coating, commonly used across Caterpillar engines, transmissions, axles, and general machinery assemblies. The 0S-1615 is a high-volume Cat hardware part appearing across a wide range of construction, industrial, and agricultural equipment platforms.

Specifications

• Bolt Type: Hex Head Cap Screw
• Thread Size: 1/4-20 UNC (Coarse Thread, Inch)
• Total Bolt Length: 3/4 in
• Grip Length: 0.13 in
• Head Width: 0.44 in
• Head Height: 0.19 in
• Finish: Phosphate and Oil Coated

Compatible Models

Caterpillar Excavators: 215, 215B, 225, 229, 231D, 235, 235B, 235C, 245, 330L

Caterpillar Gen Set / Generator Set Engines: 3116, 3150, 3160, 3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408B, 3412, 3412C, 3456, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C9, C13, C15, C18, C27, C32

Caterpillar Gas Engines: G3304, G3306, G3406, G3408, G3408B, G3408C, G3412, G3412C, G342C, G343, G3508, G3508B, G3512, G3512B, G3512E, G3516, G3516B, G3516C, G3516E, G3516H, G3520B, G3520C, G3520E, G353D, G379, G398, G399, G3606, G3606B, G3608, G3612, G3616

Caterpillar Industrial Engines: 3126B, 3160, 3176B, 3176C, 3196, 3204, 3208, 3304, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3508, 3508B, 3512

Caterpillar Other Equipment: Backhoe 931, Backhoe Loader 424B, Cable Control 117/127, Challenger 65/65C, Cold Planer PR-1000, Compact Wheel Loader 910, Hydraulic Control 183B, SR4/SR4B Generators

Replaces Part Number(s):

0S1615, 0S-1615

New aftermarket replacement part - not remanufactured, not used.