ZF 4644.306.398 PISTON
ZF Part Number: 4644.306.398 (also written as 4644306398 / 4644.306.398 / 4644 306 398)
OEM Cross Reference / Interchange Numbers
ZF 4644.306.398 (PISTON) is the original manufacturer part. The following OEM and third-party part numbers are direct cross-references:
| Brand / OEM | Part Number | Type |
|---|---|---|
| 山东临工 | 7200001758 | OEM Cross Ref |
| 柳工 | SP106695 | OEM Cross Ref |
| 柳工 | SP106695RE | OEM Cross Ref |
This ZF part (4644.306.398) directly replaces the following OEM numbers: 山东临工: 7200001758; 柳工: SP106695, SP106695RE. All listed cross-reference numbers are confirmed compatible with ZF 4644.306.398.
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 100(400)
- ZF 3 WG 201
- ZF 4 WG 100(400)
- ZF 4 WG 100(500)
- ZF 4 WG 150
- ZF 4 WG 158
- ZF 4 WG 180(555)
- ZF 4 WG 200
- ZF 4 WG 200(555)
- ZF 4 WG 200(555/5)
- ZF 4 WG 208
- ZF 4 WG 250(2)
- ZF 4 WG 258
…and 9 additional models. Contact us to confirm fitment for your specific unit.
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Filter | 660 | 1 |
| Hydr.Control | 540 | 1 |
| Shift System | 59.660 | 1 |
| Shift System | 660 | 1 |
Related Parts in Same Assembly
- 5838.300.288 — CLUTCH BELL HOUSING (Qty: 1)
- 0501.222.007 — VALVE BLOCK (Qty: 1)
- 0501.325.280 — SOLENOID VALVE (Qty: 1)
- 0501.327.379 — O-RING (Qty: 1)
- 0501.327.378 — O-RING (Qty: 1)
- 0501.327.380 — O-RING (Qty: 1)
- 0501.327.381 — SCREW (Qty: 1)
- 0750.117.075 — TAPER ROLLER BEARING (Qty: 2)
Frequently Asked Questions
What is ZF part number 4644.306.398?
ZF 4644.306.398 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 100(400), 3 WG 201, 4 WG 100(400). This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4644.306.398?
This piston is found in 24 ZF transmission variants, including: 3 WG 100, 3 WG 100(300), 3 WG 100(400), 3 WG 201, 4 WG 100(400), 4 WG 100(500), 4 WG 150, 4 WG 158, 4 WG 180(555), 4 WG 200. 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 4644.306.398 installed in the transmission?
This piston is located in the hydr.control area of the transmission. It appears in 30 different assembly configurations. In the service manual, look for position number 660 in the Filter section.
How do I look up ZF part 4644.306.398?
This part can be found under several formats: 4644306398 / 4644.306.398 / 4644 306 398. 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 (4644.306.398).
Where can I buy ZF 4644.306.398?
You can purchase genuine ZF 4644.306.398 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.
Product Photos
Exploded View / Assembly Diagram
The diagram below shows where ZF 4644.306.398 is located within the transmission assembly.
