ZF 0737.503.066 SLOTTED NUT
ZF Part Number: 0737.503.066 (also written as 0737503066 / 0737.503.066 / 0737 503 066)
Compatible ZF Transmission Models
This slotted nut is used in the following ZF transmission models:
- ZF 3 WG 260
- ZF 4 WG 250(2)
- ZF 4 WG 260
- ZF 4 WG 308
- ZF 6 WG 250
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Coupling | 370 | 1 |
| Coupling | 390 | 1 |
| Coupling | 494 | 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)
- 4644.306.560 — VALVE BLOCK (Qty: 1)
- 4646.301.095 — HOUSING (Qty: 1)
Frequently Asked Questions
What is ZF part number 0737.503.066?
ZF 0737.503.066 is an OEM slotted nut 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 260, 4 WG 250(2), 4 WG 260, 4 WG 308, 6 WG 250. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 0737.503.066?
This slotted nut is found in 5 ZF transmission variants, including: 3 WG 260, 4 WG 250(2), 4 WG 260, 4 WG 308, 6 WG 250. 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 0737.503.066 installed in the transmission?
This slotted nut is located in the coupling area of the transmission. It appears in 16 different assembly configurations. In the service manual, look for position number 370 in the Coupling section.
How do I look up ZF part 0737.503.066?
This part can be found under several formats: 0737503066 / 0737.503.066 / 0737 503 066. 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 (0737.503.066).
Where can I buy ZF 0737.503.066?
You can purchase genuine ZF 0737.503.066 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 0737.503.066 is located within the transmission assembly.





