ZF 2094.371.008 END SHIM | OEM Genuine Part

Overview

The ZF 2094.371.008 END SHIM is a precision-engineered OEM genuine component designed to maintain critical axial clearance within the transmission assembly. Positioned between the main shaft and the housing end cover, this shim compensates for manufacturing tolerances and thermal expansion, ensuring that gear clusters remain correctly aligned under load. The SKU 2094.371.008 is commonly specified during a full rebuild or when replacing adjacent wear items such as the 2094104412 MAIN SHAFT or the 2094304054 MAIN SHAFT. Without this shim, end-play tolerances can drift, leading to premature bearing failure and gear misalignment.

Symptoms of Failure

• Excessive axial play or end float in the main shaft – When the end shim wears or compresses beyond specification, you may feel a noticeable clunk or movement when rotating the input shaft by hand. This is a classic sign that the shim stack requires replacement.
• Low-frequency gear whine under load – A worn 2094.371.008 allows the gear train to shift slightly, producing a deep, rhythmic whine that intensifies during acceleration. This symptom often leads mechanics to search for “ZF transmission whine fix” or “end shim failure noise.”
• Oil leaks from the output shaft seal area – As the shaft moves axially, it can distort the seal lip, causing transmission fluid to weep from the rear housing. This is a common long-tail query for “ZF transmission oil leak behind main shaft.”
• Intermittent gear engagement difficulty – When the end shim is too thin, the 2094106010 SHIFT SYSTEM may struggle to fully engage gears, leading to occasional grinding or pop-out conditions.

Technical Specifications

Compatibility

This end shim is engineered for ZF heavy-duty powershift transmissions commonly found in construction machinery. It is a direct fit for the WG180, WG200, and WG210 series. It also appears in certain WG150 and WG250 variants where the main shaft end-play is adjusted via shim packs. Always verify the thickness stack when replacing the 2094206001 GEARSHIFT SHAFT or performing a full overhaul.

Related Components

Frequently Asked Questions

Q: Can I reuse the 2094.371.008 end shim during a rebuild?
A: No. This shim is a single-use component. It compresses slightly during initial torqueing and will not provide accurate end-play if reused. Always install a new OEM shim when replacing the main shaft or bearings.

Q: How do I measure the correct shim thickness for my ZF transmission?
A: After installing the main shaft and bearings without the shim, measure the gap between the housing face and the bearing outer race using a depth micrometer. Select the shim thickness that gives 0.05–0.15 mm of preload. The 2094.371.008 at 0.8 mm is a common starting point for WG180 units.

Q: Will this shim fit the WG210 transmission?
A: Yes, the 2094.371.008 is listed for WG210 applications. However, always verify the part number against your transmission’s serial plate, as some WG210 variants use a 1.0 mm shim (part 2094.371.010).