ZF 0634.306.202 O-RING for WG200 | OEM Genuine Part

ZF 0634.306.202 is an OEM o-ring produced by ZF Friedrichshafen AG, one of the world’s largest automotive suppliers. It is designed for use in ZF powershift transmissions, specifically in models such as 3 WG 200, 4 WG 200, 4 WG 200(500), 4 WG 200(555), 4 WG 200(555/3). This is a genuine ZF component — not an aftermarket reproduction.

This o-ring is found in 15 ZF transmission variants, including: 3 WG 200, 4 WG 200, 4 WG 200(500), 4 WG 200(555), 4 WG 200(555/3), 4 WG 200(555/5), 6 WG 200, 6 WG 200(400), 6 WG 200(400/3), 6 WG 200(500). These transmissions are commonly used in wheel loaders, graders, and other heavy construction equipment. Contact us to verify fitment for your specific machine.

This part can be found under several formats: 0634306202 / 0634.306.202 / 0634 306 202. All formats refer to the same genuine ZF component. When ordering, any of these numbers will work. The official ZF catalog uses the dotted format (0634.306.202).

Replace this seal during every transmission overhaul or if you notice oil leakage at the seal location. Seals are wear items and should not be reused after removal.

No. ZF recommends always installing new seals during reassembly. Reusing seals may result in leaks and premature failure.

You can purchase genuine ZF 0634.306.202 from PartsZF.com (operated by Tianjin Xiaohang Construction Machinery Co., Ltd). We maintain direct supply channels with ZF and offer worldwide shipping. Contact our parts specialists for current pricing and lead times.