ZF 0501.327.378 O-RING
ZF Part Number: 0501.327.378 (also written as 0501327378 / 0501.327.378 / 0501 327 378)
Compatible ZF Transmission Models
This o-ring is used in the following ZF transmission models:
- ZF 3 WG 100(500)
- ZF 3 WG 130
- ZF 3 WG 131
- ZF 3 WG 160
- ZF 3 WG 171
- ZF 3 WG 190
- ZF 3 WG 191
- ZF 3 WG 200
- ZF 3 WG 201
- ZF 3 WG 210
- ZF 3 WG 211
- ZF 3 WG 251
- ZF 3 WG 260
- ZF 3 WG 261
- ZF 3 WG 310
…and 19 additional models. Contact us to confirm fitment for your specific unit.
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Control Unit | 004/010/020 | 1 |
| Control Unit | 010/010/020 | 1 |
| Control Unit | 010/020/020 | 1 |
| Control Unit | 050/010/020 | 1 |
| Control Unit | 225/010/020 | 1 |
| Crawler | 270/020 | 1 |
| Hydr.Control | 080/020 | 1 |
| Oil Supply | 010/020/020 | 1 |
| Oil Supply | 100/010/020 | 1 |
| Oil Supply | 280/020 | 1 |
| Oil Supply | 300/020/020 | 1 |
| Oil Supply | 400/020/020 | 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)
- 0501.327.380 — O-RING (Qty: 1)
- 0501.327.381 — SCREW (Qty: 1)
- 0750.117.075 — TAPER ROLLER BEARING (Qty: 2)
- 2093.268.018 — OUTPUT SHAFT (Qty: 1)
Frequently Asked Questions
What is ZF part number 0501.327.378?
ZF 0501.327.378 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 3 WG 100(500), 3 WG 130, 3 WG 131, 3 WG 160, 3 WG 171. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 0501.327.378?
This o-ring is found in 34 ZF transmission variants, including: 3 WG 100(500), 3 WG 130, 3 WG 131, 3 WG 160, 3 WG 171, 3 WG 190, 3 WG 191, 3 WG 200, 3 WG 201, 3 WG 210. 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 0501.327.378 installed in the transmission?
This o-ring is located in the control unit, oil supply area of the transmission. It appears in 30 different assembly configurations. In the service manual, look for position number 004/010/020 in the Control Unit section.
How do I look up ZF part 0501.327.378?
This part can be found under several formats: 0501327378 / 0501.327.378 / 0501 327 378. 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 (0501.327.378).
When should I replace ZF 0501.327.378?
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 0501.327.378 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 0501.327.378?
You can purchase genuine ZF 0501.327.378 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 0501.327.378 is located within the transmission assembly.
