1W3285 Bearing-Rack Fits Caterpillar Models

One New Aftermarket Replacement Bearing-Rack for Caterpillar (Cat) Engines and Equipment

This aftermarket replacement rack bearing (Caterpillar part number 1W3285, also referenced as 1W-3285 and CA1W3285) is a fuel injection pump component used in Caterpillar 3300 and 3400 series engines across a wide range of Cat construction, earthmoving, and power generation equipment. The rack bearing supports the fuel injection pump rack inside the pump housing, allowing precise rack movement that controls fuel delivery and engine output.

Specifications

• Weight: approximately 0.03 lbs
• Application: Fuel injection pump rack bearing
• Material: Copper/bronze bearing

Compatible Models

Caterpillar Motor Graders: 12G, 12H, 12H ES, 12H NA, 120G, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 16H NA

Caterpillar Excavators: 215, 225, 235, 235B, 245, 330, 330 FM L, 330 L, 330B, 330B L, 350, 375, 375 L, E180, E300

Caterpillar Track-Type Tractors and Loaders: 953, 963, 973, 973C

Caterpillar Articulated Trucks: D250B, D250E, D250E II, D25D, D300B, D300E, D300E II, D350E, D400, D400E, D35HP

Caterpillar Soil and Landfill Compactors: 815B, 815F, 816B, 816F, 825G, 826C, 826G

Caterpillar Cold Planers and Reclaimers: PM-465, RM-250C, RM-350B, RR-250, RR-250B, SS-250, SM-350

Caterpillar Pipelayers: 572G, 572R, 578, 583R, 587R

Caterpillar Track Skidders: 517, 527, D4HTSK II, D4HTSK III, D5HTSK II

Caterpillar Challenger: 65, 65C

Caterpillar Load Haul Dump: R1300, R1300G

Caterpillar Front Shovel: 5080

Caterpillar Industrial, Generator Set, and Marine Engines: 3204, 3304, 3304B, 3306, 3306B, 3406B, 3406C, HT400

Replaces Part Number(s):

1W3285, 1W-3285, CA1W3285

New aftermarket replacement part - not remanufactured, not used.