ZF 0635.900.739 BALL BEARING for WG258/WG260/WG261 | OEM Genuine Part

ZF 0635.900.739 is an OEM ball bearing 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 260, 4 WG 258, 4 WG 260, 4 WG 260(2), 4 WG 260(4). This is a genuine ZF component, not an aftermarket reproduction.

This ball bearing is found in 10 ZF transmission variants, including: 3 WG 260, 4 WG 258, 4 WG 260, 4 WG 260(2), 4 WG 260(4), 4 WG 261, 4 WG 261(4), 4 WG 308, 4 WG 311, 6 WG 258. These transmissions are commonly used in wheel loaders, graders, and other heavy construction equipment. Contact us to verify fitment for your specific machine.

This ball bearing is located in the emergency steering pump area of the transmission. It appears in 30 different assembly configurations. In the service manual, look for position number 280 in the Emergency Steering Pump section.

This part can be found under several formats: 0635900739 / 0635.900.739 / 0635 900 739. 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 (0635.900.739).

Replacement of ZF 0635.900.739 should be performed by a qualified technician. Ensure the transmission is drained and the housing is properly supported before removal. Always replace bearings in pairs when possible.

Under normal operating conditions with proper lubrication, this bearing typically lasts the full transmission overhaul interval. Replace during scheduled overhauls or if abnormal noise, vibration, or increased operating temperature is detected.

You can purchase genuine ZF 0635.900.739 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.