1503728 Gasket Fits Caterpillar Models

One New Aftermarket Replacement Governor Gasket for Caterpillar (Cat) Equipment

This aftermarket replacement governor gasket (Caterpillar part number 1503728) seals the fuel injection governor assembly on Caterpillar 3304, 3304B, 3306, 3306B, and 3306C diesel engines. These engines power a wide range of Caterpillar construction and industrial equipment, including motor graders, articulated dump trucks, soil compactors, track-type skidders, pipelayers, excavators, and generator sets. A proper governor gasket seal is essential for maintaining accurate fuel metering and engine speed control.

Specifications

• Weight: approx. 0.02 lbs.
• Approximate dimensions: 4.84 x 3.7 x 0.03 in.

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

Caterpillar Articulated Dump Trucks: D25C, D25D, D30C, D30D, D250E, D250E II, D300B, D300D, D300E, D300E II

Caterpillar Engines (industrial, marine, generator): 3204, 3304, 3304B, 3306, 3306B, 3306C, SR4

Caterpillar Excavators: 235B, 330, 330 L, 330 FM L, 330B L, 350

Caterpillar Soil Compactors: 815B

Caterpillar Track-Type Skidders: 517, 527

Caterpillar Pipelayers: 572R

Replaces Part Number(s):

1503728, 7N8779, M-1503728

Aftermarket Interchange Numbers

7N8779 (superseded by 1503728 per Cat parts catalog)

New aftermarket replacement part - not remanufactured, not used.