CATERPILLAR 189-8942 Pump GP-Gear -Rear Brake Cooling 1898942

The Caterpillar 189-8942 Pump GP-Gear is a high-performance rear brake cooling gear pump designed specifically for heavy-duty off-highway trucks such as the 797-5YW, 797B-JSM, 797F-LAJ, 797F-LTZ, and 797F-WSP models. Engineered to meet stringent OEM standards, this pump ensures optimal cooling efficiency under extreme load conditions, enhancing brake system reliability and extending component lifespan. Constructed with precision metallurgy and robust materials, the 189-8942 pump delivers exceptional durability and consistent performance in harsh mining and construction environments.

Featuring advanced gear pump technology, the 189-8942 maintains stable hydraulic flow rates critical for effective rear brake cooling, preventing overheating and brake fade during intense operation cycles. Its compact design and precise fitment facilitate straightforward installation and integration with existing drivetrain systems. This pump supports the heavy-duty demands of Caterpillar’s flagship off-highway trucks, ensuring uninterrupted operation and minimizing downtime. For operators seeking OEM-grade quality and superior wear resistance, the 189-8942 is an essential component in maintaining peak brake system performance.

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Related Part Numbers: 189-8942, 154-9038