1601131 Body As-Piston Fits Caterpillar Models

One New Aftermarket Replacement Piston Body (Body As-Piston) for Caterpillar (Cat) 3406 Series Diesel Engines

This aftermarket replacement piston body fits Caterpillar 3406B and 3406C diesel engines. The 3406 is a heavy-duty inline six-cylinder diesel engine widely used across Caterpillar's construction and industrial equipment lineup, including excavators, wheel loaders, motor graders, scrapers, and stabilizer/reclaimer machines. The piston body (also known as the piston crown) is the upper portion of the piston assembly and is a critical component in the engine's combustion cycle. This part is sold as the piston body only -- verify whether your application requires a complete piston assembly with pin and clips.

Specifications

• Material: Aluminum
• Compression Ratio: 14.5:1 (DI, 9-degree bowl)
• Weight: Approximately 5 lbs (2 kg)
• Engine Family: Caterpillar 3400 Series

Compatible Models

Caterpillar (Cat) -- Engines: 3406B, 3406C

Caterpillar (Cat) -- Excavators: 375, 375 L, 5080

Caterpillar (Cat) -- Wheel Loaders: 980C, 980F

Caterpillar (Cat) -- Scrapers: 621F, 623E, 627F

Caterpillar (Cat) -- Track-Type Tractors: D8N

Caterpillar (Cat) -- Stabilizer/Reclaimer: SM-350

Caterpillar (Cat) -- Off-Highway Trucks: HT400

Note: Verify your specific engine serial number and configuration before ordering to ensure compatibility.

Replaces Part Number(s):

1601131, 160-1131

Aftermarket Interchange Numbers

PAI 311034, PAI 311034HP, 0R4178, 1136045, 113-6045, 7E0489

New aftermarket replacement part - not remanufactured, not used.