1283295 Piston (Std) Fits Caterpillar Models

One New Aftermarket Replacement Standard Piston for Caterpillar (Cat) 3046 Engine

This standard (Std) bore aftermarket replacement piston fits the Caterpillar 3046 turbocharged direct-injection diesel engine. The 3046 is a 6-cylinder inline diesel used in a range of Caterpillar construction and track-type equipment, and this piston is a common replacement during engine rebuilds and inframe overhauls. Cross-references with Mitsubishi S4S-DT and S6S-DT engine piston number 32B17-06100, indicating shared engine architecture.

Specifications

• Size: Standard (Std) bore
• Engine: Caterpillar 3046 Turbocharged Direct Injection
• Bore: 3.70 in (94 mm)
• Stroke: 4.72 in (120 mm)
• Cylinders: 6 (one piston per listing)

Engine Serial Number Applicability

For 3046 Turbo engines with serial numbers: 5XK10800-UP, 5XK12250-UP, 5XK15489-UP, 5XK15503-UP, 5XK30700-UP. Engine Arrangement Numbers: 1376382, 1498744, 1498747, 1498749, 1745998, 1894296. Verify your engine serial number before ordering.

Compatible Models

Caterpillar Excavators: 315, 315B

Caterpillar Track Loaders: 939C

Caterpillar Track-Type Tractors (Dozers): D5C III, D5G

Replaces Part Number(s):

1283295, 128-3295

Aftermarket Interchange Numbers

Mitsubishi: 32B17-06100, 32B1706100

New aftermarket replacement part - not remanufactured, not used.