ZF 0634.303.110 O形圈
ZF Part Number: 0634.303.110 (also written as 0634303110 / 0634.303.110 / 0634 303 110)
OEM Cross Reference / Interchange Numbers
ZF 0634.303.110 (O形圈) is the original manufacturer part. The following OEM and third-party part numbers are direct cross-references:
| Brand / OEM | Part Number | Type |
|---|---|---|
| 柳工 | SP107520 | OEM Cross Ref |
If you are looking for 柳工 SP107520, the correct ZF original part number is 0634.303.110. This is a 100% genuine ZF replacement, guaranteed to be fully compatible with 柳工 equipment that uses ZF transmissions.
Compatible ZF Transmission Models
This o形圈 is used in the following ZF transmission models:
- ZF 4 WG 181
- ZF 4 WG 250(2)
- ZF 4 WG 258
- ZF 4 WG 308
- ZF 4 WG 311
- ZF 5 WG 311
- ZF 6 WG 250
- ZF 6 WG 258
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Clutch | 590 | 1 |
| Coupling | 590 | 1 |
| Spur Gear Drive | 140 | 1 |
Related Parts in Same Assembly
- 0634.303.940 — O-RING (Qty: 1)
- 0750.131.053 — REPLACEMENT FILTER (Qty: 1)
- 4168.030.105 — CONVERTER (Qty: 1)
- 4642.231.127 — OIL LEVEL TUBE (Qty: 1)
- 4642.306.103 — INTERMEDIATE PLATE (Qty: 1)
- 4642.306.105 — VALVE BLOCK (Qty: 1)
- 4644.221.076 — SUCTION TUBE (Qty: 1)
- 4644.301.021 — AXLE (Qty: 1)
Frequently Asked Questions
What is ZF part number 0634.303.110?
ZF 0634.303.110 is an OEM o形圈 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 181, 4 WG 250(2), 4 WG 258, 4 WG 308, 4 WG 311. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 0634.303.110?
This o形圈 is found in 8 ZF transmission variants, including: 4 WG 181, 4 WG 250(2), 4 WG 258, 4 WG 308, 4 WG 311, 5 WG 311, 6 WG 250, 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.
Where is ZF 0634.303.110 installed in the transmission?
This o形圈 is located in the coupling, spur gear drive area of the transmission. It appears in 30 different assembly configurations. In the service manual, look for position number 590 in the Clutch section.
How do I look up ZF part 0634.303.110?
This part can be found under several formats: 0634303110 / 0634.303.110 / 0634 303 110. 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 (0634.303.110).
Where can I buy ZF 0634.303.110?
You can purchase genuine ZF 0634.303.110 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 0634.303.110 is located within the transmission assembly.



