ZF 2099.304.007 QUILL SHAFT for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 2099.304.007 QUILL SHAFT is a precision-machined component engineered for the internal gear train of ZF WG100, WG130, and WG131 transmissions. This genuine OEM part functions as the central torque-transfer spindle within the planetary gear set, ensuring smooth rotational alignment between the input shaft and the differential assembly. The SKU 2099.304.007 is a direct factory replacement, designed to maintain exacting tolerances for load distribution and minimal backlash. When installed alongside the 2099109038 DIFFERENTIAL, it forms the critical link between engine power and wheel output.

Symptoms of Failure

• Whining or grinding noise during acceleration: A worn quill shaft causes uneven gear meshing, producing a high-pitched whine that intensifies under load.
• Intermittent gear slipping or delayed engagement: Excessive play in the shaft leads to momentary loss of torque transfer, especially when shifting between forward and reverse.
• Metal particles in transmission fluid: Fretting wear on the shaft surface sheds ferrous debris, contaminating the oil and accelerating damage to the 2098309008 CROWN WHEEL.
• Oil seepage at the shaft seal interface: A scored quill shaft compromises the seal bore, causing fluid leaks that reduce lubrication efficiency.

Technical Specifications

Compatibility

This quill shaft is specifically validated for the following ZF transmission models: WG100, WG130, and WG131. It is also compatible with certain WG180 and WG200 variants that share the same planetary gear architecture, though cross-referencing the housing casting number is recommended. For complete differential rebuilds, pair this shaft with the 2098209016 DIFFERENTIAL and the 2095309059 DIFF.HOUSING to ensure concentric alignment.

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