ZF 0630.004.137 SHIM RING for WG200 | OEM Genuine Part

Overview

The ZF 0630.004.137 SHIM RING is a precision-engineered spacer component designed for the WG 200 Series automatic transmissions. This OEM genuine part, identified by SKU 0630.004.137, sits between the transmission housing and the planetary gear set to establish critical axial clearances. By maintaining exact end-play tolerances, this shim ring prevents gear train binding and ensures smooth power flow through the drivetrain. It is often replaced during a full rebuild alongside the 4644101165: TRANSMISSION HOUSING and the 4644301304: HOUSING to restore factory-spec alignment.

Symptoms of Failure

• Intermittent gear slipping under load — A worn shim ring allows excessive axial play, causing clutch packs to lose engagement pressure during acceleration.
• Low-frequency driveline vibration — When the shim ring compresses unevenly, the planetary carrier shifts out of alignment, producing a noticeable shudder at highway speeds.
• Internal oil leaks past the housing seal — Deterioration of the shim ring’s contact surface can create gaps that allow transmission fluid to bypass the main seal, leading to puddling under the vehicle.
• Hard or delayed shifts between forward gears — Incorrect end-play from a collapsed shim ring alters hydraulic valve timing, resulting in harsh engagement or hesitation.

Technical Specifications

Compatibility

This shim ring is primarily used in the ZF WG 200 Series transmissions, including models WG180, WG200, and WG210. It also fits select variants of the ZF 4HP20 and 5HP19 series when used in heavy-duty commercial applications. Always verify the part number against your transmission’s 0730365067: TYPE PLATE before installation. For secure mounting, pair this shim with the 0631311009: GROOVED STUD to ensure proper retention during assembly.

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