ZF 0637.009.020 HEXAGON NUT
ZF Part Number: 0637.009.020 (also written as 0637009020 / 0637.009.020 / 0637 009 020)
Compatible ZF Transmission Models
This hexagon nut is used in the following ZF transmission models:
- ZF 4 WG 180
- ZF 4 WG 200(555/5)
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Parking Brake | 010/060 | 1 |
Related Parts in Same Assembly
- 4644.301.228 — TRANSMISSION HOUSING (Qty: 1)
- 4475.280.023 — SCREW PLUG (Qty: 1)
- 0730.365.067 — TYPE PLATE (Qty: 1)
- 0631.311.009 — GROOVED STUD (Qty: 4)
- 4644.301.298 — COVER PLATE (Qty: 1)
- 4644.301.192 — COVER PLATE (Qty: 1)
- 0636.015.278 — HEXAGON SCREW (Qty: 3)
- 0630.001.012 — WASHER (Qty: 3)
Frequently Asked Questions
What is ZF part number 0637.009.020?
ZF 0637.009.020 is an OEM hexagon 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 4 WG 180, 4 WG 200(555/5). This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 0637.009.020?
This hexagon nut is found in 2 ZF transmission variants, including: 4 WG 180, 4 WG 200(555/5). 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 0637.009.020 installed in the transmission?
This hexagon nut is located in the parking brake area of the transmission. It appears in 2 different assembly configurations. In the service manual, look for position number 010/060 in the Parking Brake section.
How do I look up ZF part 0637.009.020?
This part can be found under several formats: 0637009020 / 0637.009.020 / 0637 009 020. 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 (0637.009.020).
Where can I buy ZF 0637.009.020?
You can purchase genuine ZF 0637.009.020 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.




