c4.4 c6.6 c7.1 ENGINE ROCKER ARM 278-5111 2785111 REPLACE FOR 320d 323d 420e 450e

Discover the high-quality C4.4 C6.6 C7.1 ENGINE ROCKER ARM 278-5111 2785111, designed to replace parts for CATERPILLAR models like 320D, 323D, 420E, and 450E. This OEM-grade rocker arm ensures durability and performance, backed by a 3-month warranty.