1W5300 Rotocoil Assembly Fits Caterpillar Models

One New Aftermarket Replacement Rotocoil Assembly for Caterpillar (Cat) Engines and Equipment

This aftermarket replacement rotocoil assembly (1W5300 / 1W-5300) is a cylinder head valve train component used in Caterpillar 3300 series engines. The rotocoil sits on top of the valve stem in the cylinder head and rotates the valve during opening and closing cycles, promoting even wear and extending valve service life.

Specifications

• Part Number: 1W5300 (also listed as 1W-5300)
• Application: Caterpillar 3300 Series - Valve with Seal
• Weight: 0.1 lbs
• Length: 8 in. | Width: 5 in. | Height: 1 in.

Compatible Models

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

Caterpillar Excavators / Hydraulic Excavators: 215, 215B, 215C, 235, 235B, 330, 330 L

Caterpillar Engines: 3304, 3304B, 3306, 3306B, G3306

Caterpillar Articulated Dump Trucks: D250E, D250E II, D300E, D300E II

Caterpillar Earthmoving Compactors / Soil Compactors: 815B, 815F, 816F

Caterpillar Challengers / Other Equipment: 65C, 65D, 1673C

Also fits numerous other Caterpillar machines powered by 3304 and 3306 series engines, including track-type tractors, wheel loaders, pipelayers, scrapers, and skidders. Verify engine model before ordering.

Replaces Part Number(s):

1W5300, 1W-5300, 5S5874, 8N7781, 8N7782, 4432659, 103-1800, 1031800

Aftermarket Interchange Numbers

PAI 392026, PAI 392026E, PAI 392032, PAI 392032E | Interstate-McBee M-1W5300, M-5S5874, M-8N7782, M-1031800 | KMP Brand 1W5300

New aftermarket replacement part - not remanufactured, not used.