0S1603 Bolt Fits Caterpillar Models

One New Aftermarket Replacement Bolt (Capscrew) for Caterpillar (Cat) Equipment

This aftermarket replacement hex head cap screw (bolt) replaces Caterpillar OEM part number 0S1603. It is a Grade 8 hex head capscrew used across a wide range of Caterpillar construction, earthmoving, paving, and engine-powered equipment. The bolt is phosphate and oil coated and is also referenced as 0S-1603.

Specifications

• Type: Grade 8 Hex Head Cap Screw (Bolt)
• Thread Size: 1/2 in-20 UNF
• Length: 1-1/2 in (1.5 in)
• Coating: Phosphate and oil coated (plain)
• Weight: approx. 0.1 lbs

Compatible Models

Caterpillar Motor Graders: 117, 118, 120, 120B, 120G, 127, 128, 129, 12E, 12F, 140, 140B, 14E, 153, 163, 16

Caterpillar Engines: 1693, 3054, 3054B, 3054C, 3054E, 3056, 3056E

Caterpillar Excavators: 215, 225, 235, 307, 312, 312D2

Caterpillar Compactors/Pavers: 2384C, 2470C, 2484C, 24, 30, 184

Caterpillar Scrapers: 613, 613B, 613C

Caterpillar Wheeled Excavators: M312, M313C, M313D, M315, M315C, M315D, M315D2, M316C, M316D, M317D2, M318C, M318D, M322C, M322D

This is a widely used fastener across many additional Cat machine families. Verify your OEM part number against 0S1603 before ordering.

Replaces Part Number(s):

0S1603, 0S-1603

New aftermarket replacement part - not remanufactured, not used.