9Y4004 Piston Fits Caterpillar 1W9372 826C 3306 3406 3406B 3406C SR4 16G 16H NA
9Y4004 Piston Fits Caterpillar 1W9372 826C 3306 3406 3406B 3406C SR4 16G 16H NA
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One New Aftermarket Replacement Piston Fits Caterpillar (Fits CAT) 3306 / 3406 Series Engines
This aftermarket replacement piston body Fits Caterpillar (Fits CAT) 3306 and 3406 family diesel engines, including the 3406B and 3406C variants. It is a direct-fit internal engine component used in motor graders, landfill compactors, wheel loaders, generators, and SR4 generator sets powered by these engines. The piston features a direct injection (DI) design with a 14.5:1 compression ratio and a 9-degree taper connecting rod configuration with a 5/32-inch wide keystone top ring groove.
Specifications
- Type: Piston Body (Body AS-Piston)
- Engine Application: Fits Caterpillar 3306 / 3406 DI
- Compression Ratio: 14.5:1
- Connecting Rod Angle: 9 Degree Taper
- Top Ring Groove: 5/32-inch wide Keystone
- Heat Plug: None
- Weight: Approx. 6 lbs (2 kg)
Compatible Models
Fits Caterpillar Engines: 3306, 3406, 3406B, 3406C, SR4
Fits Caterpillar Motor Graders: 16G, 16H NA
Fits Caterpillar Compactors: 826C
Replaces Part Number(s):
9Y4004, 1W9372
Aftermarket Interchange Numbers
1W8901, 1W9373, 2900017, 290-0017, 3780509, 378-0509, 8N1606, 20R1115, 20R1116, 224-3244X, 0R2694, 0R3519, 0R4515, ENO20-0033
New aftermarket replacement part - not remanufactured, not used.
