ZF 4644.230.025 DIAPHRAGM
ZF Part Number: 4644.230.025 (also written as 4644230025 / 4644.230.025 / 4644 230 025)
Compatible ZF Transmission Models
This diaphragm is used in the following ZF transmission models:
- ZF 3 WG 201
- ZF 4 WG 200(500)
- ZF 4 WG 200(555)
- ZF 6 WG 200
- ZF 6 WG 201
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Engine Connection | 070 | 1 |
| Engine Connection | 074 | 1 |
| Engine Connection | 30.074 | 1 |
Related Parts in Same Assembly
- 0501.003.819 — BRAKE (Qty: 1)
- 0501.317.160 — INDUCTIVE SENSOR (Qty: 1)
- 0750.131.053 — REPLACEMENT FILTER (Qty: 1)
- 4168.034.002 — CONVERTER (Qty: 1)
- 4644.221.197 — SUCTION TUBE (Qty: 1)
- 4644.301.333 — HOUSING (Qty: 1)
- 4644.302.188 — INPUT SHAFT (Qty: 1)
- 4644.306.284 — VALVE HOUSING (Qty: 1)
Frequently Asked Questions
What is ZF part number 4644.230.025?
ZF 4644.230.025 is an OEM diaphragm 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 201, 4 WG 200(500), 4 WG 200(555), 6 WG 200, 6 WG 201. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4644.230.025?
This diaphragm is found in 5 ZF transmission variants, including: 3 WG 201, 4 WG 200(500), 4 WG 200(555), 6 WG 200, 6 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 4644.230.025 installed in the transmission?
This diaphragm is located in the engine connection area of the transmission. It appears in 21 different assembly configurations. In the service manual, look for position number 070 in the Engine Connection section.
How do I look up ZF part 4644.230.025?
This part can be found under several formats: 4644230025 / 4644.230.025 / 4644 230 025. 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 (4644.230.025).
Where can I buy ZF 4644.230.025?
You can purchase genuine ZF 4644.230.025 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.



