ZF 4645.306.139 PISTON
ZF Part Number: 4645.306.139 (also written as 4645306139 / 4645.306.139 / 4645 306 139)
Compatible ZF Transmission Models
This piston is used in the following ZF transmission models:
- ZF 3 WG 100
- ZF 3 WG 100(300)
- ZF 3 WG 201
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Inching Valve | 420 | 1 |
| Inching Valve | 64.420 | 1 |
Related Parts in Same Assembly
- 0501.317.160 — INDUCTIVE SENSOR (Qty: 1)
- 4168.034.042 — CONVERTER (Qty: 1)
- 4644.221.076 — SUCTION TUBE (Qty: 1)
- 4644.301.323 — TRANSMISSION HOUSING (Qty: 1)
- 4644.302.229 — INPUT SHAFT (Qty: 1)
- 4644.306.362 — GASKET (Qty: 1)
- 4644.306.560 — VALVE BLOCK (Qty: 1)
- 4644.330.256 — CONNECTING HOUSING (Qty: 1)
Frequently Asked Questions
What is ZF part number 4645.306.139?
ZF 4645.306.139 is an OEM piston 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 100, 3 WG 100(300), 3 WG 201. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4645.306.139?
This piston is found in 3 ZF transmission variants, including: 3 WG 100, 3 WG 100(300), 3 WG 201. 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 4645.306.139 installed in the transmission?
This piston is located in the inching valve area of the transmission. It appears in 8 different assembly configurations. In the service manual, look for position number 420 in the Inching Valve section.
How do I look up ZF part 4645.306.139?
This part can be found under several formats: 4645306139 / 4645.306.139 / 4645 306 139. 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 (4645.306.139).
Where can I buy ZF 4645.306.139?
You can purchase genuine ZF 4645.306.139 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.




