ZF 0501.317.190 CAM DISC | OEM Genuine Part

Overview

The ZF 0501.317.190 CAM DISC is a precision-machined OEM genuine component engineered for the clutch pack actuation system within heavy-duty ZF transmissions. This disc converts rotational motion from the shift cylinder into linear travel, engaging specific gear sets in construction machinery like wheel loaders and graders. The SKU 0501.317.190 sits directly inside the transmission valve body assembly, working in tandem with the 0501211695: MOTOR to regulate hydraulic pressure. When the cam disc rotates, it triggers the 0501314793: COVER to seal the actuator chamber, ensuring consistent oil flow to the clutch packs.

Symptoms of Failure

• Erratic gear engagement or delayed shifting — A worn cam disc surface prevents the shift fork from reaching its full travel, causing hesitation when moving from forward to reverse. This is a common search query for “ZF transmission slow engagement.”
• Metallic grinding noise from the transmission housing — As the cam lobe wears unevenly, it contacts the 4108101151: HOUSING, producing a distinct scraping sound during gear changes.
• Hydraulic fluid contamination — Micro-fractures in the disc release metal particles into the oil, often flagged as “ZF transmission metal shavings in fluid” by technicians.
• Intermittent loss of drive in specific gears — The cam disc fails to hold the 0501314799: BUSH in position, leading to clutch slip under load.

Technical Specifications

Compatibility

This cam disc is a direct fit for ZF WG180, WG200, and WG210 series transmissions commonly used in Volvo, Caterpillar, and Case wheel loaders. It also applies to the 4WG-200 and 6WG-200 variants found in graders and dump trucks. Always verify the shift fork profile matches your unit before installation.

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