ZF 4646.351.278 SPUR GEAR
ZF Part Number: 4646.351.278 (also written as 4646351278 / 4646.351.278 / 4646 351 278)
OEM Cross Reference / Interchange Numbers
ZF 4646.351.278 (SPUR GEAR) is the original manufacturer part. The following OEM and third-party part numbers are direct cross-references:
| Brand / OEM | Part Number | Type |
|---|---|---|
| 柳工 | SP108004 | OEM Cross Ref |
If you are looking for 柳工 SP108004, the correct ZF original part number is 4646.351.278. 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 spur gear is used in the following ZF transmission models:
- ZF 3 WG 261
- ZF 4 WG 258
- ZF 4 WG 261
- ZF 4 WG 261(4)
- ZF 4 WG 308
- ZF 4 WG 311
- ZF 5 WG 311
- ZF 6 WG 258
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Coupling | 290 | 1 |
Related Parts in Same Assembly
- 0501.006.922 — BRAKE (Qty: 1)
- 0501.214.082 — SUCTION FILTER (Qty: 1)
- 0501.214.611 — GEAR PUMP (Qty: 1)
- 0501.216.209 — RANGE SELECTOR (Qty: 1)
- 0637.100.196 — PIPE UNION (Qty: 1)
- 4168.037.054 — CONVERTER (Qty: 1)
- 4475.280.011 — SCREW PLUG (Qty: 3)
- 4475.280.232 — UNION SCREW (Qty: 1)
Frequently Asked Questions
What is ZF part number 4646.351.278?
ZF 4646.351.278 is an OEM spur gear 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 261, 4 WG 258, 4 WG 261, 4 WG 261(4), 4 WG 308. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4646.351.278?
This spur gear is found in 8 ZF transmission variants, including: 3 WG 261, 4 WG 258, 4 WG 261, 4 WG 261(4), 4 WG 308, 4 WG 311, 5 WG 311, 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 4646.351.278 installed in the transmission?
This spur gear is located in the coupling area of the transmission. It appears in 30 different assembly configurations. In the service manual, look for position number 290 in the Coupling section.
How do I look up ZF part 4646.351.278?
This part can be found under several formats: 4646351278 / 4646.351.278 / 4646 351 278. 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 (4646.351.278).
How do I inspect ZF 4646.351.278?
Inspect gear teeth for pitting, spalling, cracks, and abnormal wear patterns. Check tooth contact pattern using marking compound. Replace if damage exceeds ZF service limits.
Where can I buy ZF 4646.351.278?
You can purchase genuine ZF 4646.351.278 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 4646.351.278 is located within the transmission assembly.





