1W1053 Cartridge Fits Caterpillar Models

One New Aftermarket Replacement Turbocharger Cartridge for Caterpillar (Cat) 3406 and 3412 Series Engines

This aftermarket replacement turbocharger cartridge (CHRA - Center Housing Rotating Assembly) replaces Caterpillar (Cat) OEM part number 1W-1053. The turbocharger cartridge is the core rotating assembly of the turbocharger unit, responsible for compressing intake air to increase engine power and efficiency in Caterpillar 3406 and 3412 diesel engines used in construction equipment, industrial machinery, and generator sets.

Specifications

• Length: 337.8 mm
• Width: 256.5 mm
• Height: 256.5 mm
• Weight: 9.8 kg
• Cat Reman Reference: 0R-6346

Compatible Models

Caterpillar Engine: 3406, 3406B, 3406C, 3408, 3408B, 3408E, 3412, 3412C, 3412E, 3208, 3508

Caterpillar Generator Set: SR4, 3406C, 3412C

Caterpillar Loader: 988B

Caterpillar Tractor: 637D, 768C

Caterpillar Truck: 769C, 771C

Caterpillar Cold Planer: PM-565

Note: Verify your serial number and OEM part number from your original unit before ordering to confirm fitment, as multiple turbocharger configurations were used across these engine families.

Replaces Part Number(s):

1W1053, 1W-1053

Aftermarket Interchange Numbers

0R-6346 (Cat Reman), 0R6346, 4LF555, 186495, 1W1052, 1W-1052, 7C-6703, 7C6703, 4N-7601, 4N7601, 0R-5953, 0R5953, 7C2485, 7C-2485, 194848, 179576, 198848, 311955, 186497, 178215, 312002

New aftermarket replacement part - not remanufactured, not used.