ZF 0732.040.426 COMPRESSION SPRING for WG65 | OEM Genuine Part

Overview

The ZF 0732.040.426 COMPRESSION SPRING is a precision-engineered OEM genuine component specifically designed for the WG 65 Series transmission. This spring provides the necessary preload and damping force within the valve body or clutch pack assembly, ensuring consistent hydraulic pressure regulation and smooth gear engagement. The SKU 0732.040.426 is critical for maintaining the mechanical timing of shift sequences. When installed alongside the 4616105413: OUTPUT and the 4616101117: TRANSMISSION HOUSING, this spring ensures that the entire drivetrain assembly operates with minimal vibration and precise load distribution.

Symptoms of Failure

When the ZF 0732.040.426 compression spring fatigues or loses its temper, operators will notice distinct performance degradation. Common failure symptoms include:

• Delayed or harsh shifting – A worn spring cannot maintain proper valve return pressure, causing erratic clutch engagement.
• Intermittent gear slipping under load – Insufficient spring force allows the valve to float, leading to pressure loss in the clutch pack.
• Audible rattling from the transmission housing – A broken or weakened spring can vibrate against the 4616203017: OUTPUT FLANGE or internal bores.
• Transmission fluid contamination – Metal fragments from a fractured spring can circulate through the system, damaging seals and the 0636011038: HEXAGON SCREW fasteners.

Technical Specifications

Compatibility

This compression spring is engineered for the ZF WG 65 Series transmission family. It is directly compatible with the following models: WG65, WG80, WG100, WG120, WG150, WG180, and WG200. The spring is also used in certain WG 65-based transfer case assemblies where it functions as a detent or return spring. Always verify the spring’s free length and coil count against your existing part before installation. For complete rebuild kits, pair this spring with the 4616105413: OUTPUT and 4616101117: TRANSMISSION HOUSING to ensure proper alignment.

Related Components

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