ZF 4644.306.503 COVER PLATE
ZF Part Number: 4644.306.503 (also written as 4644306503 / 4644.306.503 / 4644 306 503)
OEM Cross Reference / Interchange Numbers
ZF 4644.306.503 (COVER PLATE) is the original manufacturer part. The following OEM and third-party part numbers are direct cross-references:
| Brand / OEM | Part Number | Type |
|---|---|---|
| 柳工 | SP107959 | OEM Cross Ref |
If you are looking for 柳工 SP107959, the correct ZF original part number is 4644.306.503. 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 cover plate is used in the following ZF transmission models:
- ZF 3 WG 251
- ZF 4 WG 250(2)
- ZF 4 WG 251
- ZF 4 WG 258
- ZF 4 WG 308
- ZF 6 WG 250
- ZF 6 WG 258
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Shift System | 120 | 1 |
Related Parts in Same Assembly
- 0501.008.365 — DISC BRAKE (Qty: 1)
- 0501.208.244 — SUCTION FILTER (Qty: 1)
- 0501.213.026 — GEAR PUMP (Qty: 1)
- 0637.100.508 — UNION SCREW (Qty: 2)
- 4168.037.054 — CONVERTER (Qty: 1)
- 4475.280.011 — SCREW PLUG (Qty: 3)
- 4644.306.558 — VALVE BLOCK (Qty: 1)
- 4646.301.095 — HOUSING (Qty: 1)
Frequently Asked Questions
What is ZF part number 4644.306.503?
ZF 4644.306.503 is an OEM cover plate 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 251, 4 WG 250(2), 4 WG 251, 4 WG 258, 4 WG 308. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4644.306.503?
This cover plate is found in 7 ZF transmission variants, including: 3 WG 251, 4 WG 250(2), 4 WG 251, 4 WG 258, 4 WG 308, 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 4644.306.503 installed in the transmission?
This cover plate is located in the shift system area of the transmission. It appears in 14 different assembly configurations. In the service manual, look for position number 120 in the Shift System section.
How do I look up ZF part 4644.306.503?
This part can be found under several formats: 4644306503 / 4644.306.503 / 4644 306 503. 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 (4644.306.503).
Where can I buy ZF 4644.306.503?
You can purchase genuine ZF 4644.306.503 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.
