Description
HDKits’ new rocker arms for Caterpillar C15 and C18 series engines this rocker arm is the highest quality rocker arm to keep your engine running smoothly.
These rocker arms feature:
Forged alloy steel body with added chromium, molybdenum, and manganese for maximum fatigue strength and durability.
An alloy steel pin case hardened and coated with DLC (diamond like Carbon) on the wear surface. DLC is a micron thin layer of tribologically advantageous hard carbon that minimizes friction and provides maximum protection against abrasive wear and scuffing.
Roller is high carbon steel with precision tapered crown with a n ultra-fine surface finished OD for maximum longevity in demanding applications.
Bushings in (4373861 and 4373869) rocker arms are bi-metal with steel backing and copper-lead-tin alloy for optimized load acceptance and foreign particle embeddability.
| 4373861 | Rocker Assembly for C15/C18, On-Highway and Industrial Machines |
| 4373863 | Rocker Assembly for C15/C18 On-Highway and Industrial Machines, bushing-less precision-machined bore |
| 4373869 | Rocker Assembly for C15/C18 On-Highway and Industrial Machines |
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