ZF 0634.303.940 O-RING
ZF Part Number: 0634.303.940 (also written as 0634303940 / 0634.303.940 / 0634 303 940)
OEM Cross Reference / Interchange Numbers
ZF 0634.303.940 (O-RING) is the original manufacturer part. The following OEM and third-party part numbers are direct cross-references:
| Brand / OEM | Part Number | Type |
|---|---|---|
| 柳工 | SP157426 | OEM Cross Ref |
If you are looking for 柳工 SP157426, the correct ZF original part number is 0634.303.940. 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-ring is used in the following ZF transmission models:
- ZF 4 WG 181
- ZF 4 WG 260
- ZF 4 WG 310
- ZF 5 WG 210
- ZF 5 WG 260
- ZF 5 WG 310
- ZF 6 WG 210
- ZF 6 WG 260
- ZF 6 WG 260(4)
- ZF 6 WG 310
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Loose Parts | 060 | 1 |
| Power Take Off | 110 | 1 |
| Power Take Off | 112 | 1 |
| Power Take Off | 172 | 1 |
| Power Take Off | 560 | 1 |
| Power Take Off | 661 | 1 |
| Spur Gear Drive | 010 | 1 |
Related Parts in Same Assembly
- 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)
- 4644.301.380 — HOUSING (Qty: 1)
Frequently Asked Questions
What is ZF part number 0634.303.940?
ZF 0634.303.940 is an OEM o-ring 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 260, 4 WG 310, 5 WG 210, 5 WG 260. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 0634.303.940?
This o-ring is found in 10 ZF transmission variants, including: 4 WG 181, 4 WG 260, 4 WG 310, 5 WG 210, 5 WG 260, 5 WG 310, 6 WG 210, 6 WG 260, 6 WG 260(4), 6 WG 310. 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 0634.303.940 installed in the transmission?
This o-ring is located in the loose parts, power take off, spur gear drive area of the transmission. It appears in 28 different assembly configurations. In the service manual, look for position number 060 in the Loose Parts section.
How do I look up ZF part 0634.303.940?
This part can be found under several formats: 0634303940 / 0634.303.940 / 0634 303 940. 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 (0634.303.940).
When should I replace ZF 0634.303.940?
Replace this seal during every transmission overhaul or if you notice oil leakage at the seal location. Seals are wear items and should not be reused after removal.
Can I reuse ZF 0634.303.940 after disassembly?
No. ZF recommends always installing new seals during reassembly. Reusing seals may result in leaks and premature failure.
Where can I buy ZF 0634.303.940?
You can purchase genuine ZF 0634.303.940 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.
