ZF 4646.351.122 BEARING COVER
ZF Part Number: 4646.351.122 (also written as 4646351122 / 4646.351.122 / 4646 351 122)
Compatible ZF Transmission Models
This bearing cover is used in the following ZF transmission models:
- ZF 4 WG 250(2)
- ZF 4 WG 260
- ZF 4 WG 260(1)
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Coupling | 510 | 1 |
Related Parts in Same Assembly
- 0501.008.365 — DISC BRAKE (Qty: 1)
- 0501.208.244 — SUCTION FILTER (Qty: 1)
- 0501.213.026 — GEAR PUMP (Qty: 1)
- 0637.100.508 — UNION SCREW (Qty: 2)
- 4168.037.054 — CONVERTER (Qty: 1)
- 4475.280.011 — SCREW PLUG (Qty: 3)
- 4644.306.560 — VALVE BLOCK (Qty: 1)
- 4646.301.095 — HOUSING (Qty: 1)
Frequently Asked Questions
What is ZF part number 4646.351.122?
ZF 4646.351.122 is an OEM bearing cover 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 4 WG 250(2), 4 WG 260, 4 WG 260(1). This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4646.351.122?
This bearing cover is found in 3 ZF transmission variants, including: 4 WG 250(2), 4 WG 260, 4 WG 260(1). These transmissions are commonly used in wheel loaders, graders, and other heavy construction equipment. Contact us to verify fitment for your specific machine.
Where is ZF 4646.351.122 installed in the transmission?
This bearing cover is located in the coupling area of the transmission. It appears in 10 different assembly configurations. In the service manual, look for position number 510 in the Coupling section.
How do I look up ZF part 4646.351.122?
This part can be found under several formats: 4646351122 / 4646.351.122 / 4646 351 122. 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 (4646.351.122).
How do I replace ZF 4646.351.122?
Replacement of ZF 4646.351.122 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.
What is the expected service life of ZF 4646.351.122?
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.
Where can I buy ZF 4646.351.122?
You can purchase genuine ZF 4646.351.122 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.
Need this part? Contact our ZF parts specialist for pricing and availability. We ship worldwide with OEM quality guarantee.
Exploded View / Assembly Diagram
The diagram below shows where ZF 4646.351.122 is located within the transmission assembly.
