CATERPILLAR 147-7842 Seal-O Ring 1477842

Caterpillar 147-7842 Seal-O Ring – OEM-Grade Durability for Engine and Generator Sets

The Caterpillar 147-7842 Seal-O Ring is a precision-engineered sealing component designed for a wide range of Caterpillar engine and generator set models, including the 81Z-3412C, 78Z-3408 series, EDG-3516B, 5LA-SR4, 2WB-3406C, and many more. Manufactured to meet stringent OEM specifications, this seal ensures optimal sealing performance under high-pressure and high-temperature conditions typical in heavy-duty drivetrain and engine applications. Crafted from advanced elastomeric materials with superior resistance to oil, fuel, and thermal degradation, the 147-7842 Seal-O Ring maintains integrity across diverse load conditions, preventing leaks and enhancing engine reliability.

Technically, the 147-7842 Seal-O Ring features precise dimensional tolerances tailored to fit critical sealing interfaces within Caterpillar’s industrial and generator engines. Its robust metallurgy and compound formulation provide exceptional elasticity and compression set resistance, ensuring long service life even in harsh operating environments. By maintaining effective sealing, this component supports efficient engine operation, reduces maintenance downtime, and protects internal components from contamination. Ideal for use in models such as the 6TB-3406C Industrial Engine and the 38S-3412 Industrial Engine, this seal is a vital part of maintaining peak engine performance and durability.

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