ZF 4657.183.208 LOOSE PARTS for WG211 | OEM Genuine Part

Overview

The ZF 4657.183.208 LOOSE PARTS for WG211 is a critical internal component designed to maintain precise gear alignment and torque transfer within the WG 211 series transmission. This OEM genuine part, identified by SKU 4657.183.208, functions as a spacer or shim set that ensures correct axial clearance between rotating assemblies. It sits directly within the main gear train, working in conjunction with the TRANSMISSION HOUSING to prevent metal-on-metal contact during high-load operations. Without this part, the transmission’s planetary gear sets cannot maintain their designed tolerances, leading to accelerated wear across the entire driveline.

Symptoms of Failure

• Intermittent gear slipping under load: When the 4657.183.208 wears beyond specification, you may notice the transmission momentarily loses power transfer during uphill climbs or heavy hauling, often accompanied by a brief RPM flare.
• Metallic grinding noise from the bell housing: A distinct, high-pitched scraping sound during gear engagement indicates the loose parts have compressed, allowing gear teeth to contact the HOUS.FRONT SECT.
• Oil contamination with fine metal particles: Worn 4657.183.208 components shed microscopic debris that circulates through the hydraulic system, causing valve body sticking and delayed shifts.
• Excessive axial play at the output shaft: A measurable end-play of more than 0.5 mm at the flange indicates the loose parts have fatigued, risking damage to the HOUSING REAR PART.

Technical Specifications

Compatibility

This OEM genuine part is specifically engineered for the ZF WG211 series, but it also fits the WG180, WG200, and WG210 transmission models due to shared planetary carrier dimensions. It is not compatible with the WG120 or WG150 series. Always verify the axial clearance after installation using a dial indicator. The part must be paired with the CYLINDRICAL PIN to ensure correct rotational alignment during assembly.

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