CATERPILLAR 123-4269 Rocker Arm AS 1234269

CATERPILLAR 123-4269 Rocker Arm AS – OEM-Grade Durability for Heavy-Duty Engines and Equipment

The Caterpillar 123-4269 Rocker Arm AS is a precision-engineered component designed to optimize valve train performance across a wide range of heavy-duty Caterpillar engines and machinery. Compatible with multiple engine models including the 7RN-3516B, 4GM-3508B, 6PN-3508B, and 8RM-3512B generator sets, as well as marine products like the 3DM-3508B and 9AN-3516B, this rocker arm ensures consistent valve actuation under extreme load conditions. It is also suitable for off-highway trucks such as the 5ER-776D and wheel-type loaders like the 7HR-992G, making it a versatile replacement part for various drivetrain applications. Manufactured using high-grade metallurgy, the rocker arm withstands high stress and thermal cycling, delivering long-lasting durability and reliable engine performance.

Technically, the 123-4269 Rocker Arm AS features precision-machined contact surfaces and robust construction to maintain optimal valve lash and timing, critical for efficient combustion and power output. Its design minimizes wear on the camshaft and valve components, reducing maintenance intervals and downtime. The part meets stringent OEM specifications, ensuring perfect fitment and compatibility with Caterpillar’s complex valve train systems. This results in improved fuel efficiency, reduced emissions, and enhanced overall engine reliability, essential for demanding industrial, marine, and off-road applications.

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