Overview
The ZF 4651.183.006 is a critical OEM genuine component engineered specifically for the WG 110 series transmission. This part functions as a precision-machined hydraulic control element, regulating oil flow and pressure within the valve body assembly to ensure smooth gear engagement and consistent torque delivery. The SKU 4651.183.006 is designed to meet ZF’s exacting tolerances, making it an essential replacement for maintaining transmission integrity. When installed alongside the 4651101013: TRANSMISSION HOUSING, it forms a sealed hydraulic circuit that prevents cross-contamination between lubrication and clutch circuits.
Symptoms of Failure
- Erratic shifting or delayed engagement: A worn 4651.183.006 can cause inconsistent hydraulic pressure, leading to harsh or delayed gear changes, especially under load.
- Internal oil leaks: Deterioration of sealing surfaces results in fluid bypass, visible as puddling under the transmission or low fluid levels without external drips.
- Transmission overheating: Impaired oil flow from a failing component forces the system to work harder, generating excessive heat and potential thermal damage.
- Intermittent gear slipping: Loss of hydraulic clamping pressure causes the transmission to momentarily lose power transfer, particularly during uphill climbs or acceleration.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4651.183.006 |
| Material | Hardened alloy steel with corrosion-resistant coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions | 120 mm x 45 mm x 35 mm |
| OEM Reference | ZF 4651.183.006 |
| Sealing Type | Integrated O-ring groove (compatible with 0634303928: O-RING) |
| Operating Pressure | 12-18 bar (174-261 psi) |
Compatibility
This genuine ZF part is primarily designed for the WG 110 series transmission, but it also shares mounting and hydraulic specifications with several other ZF models. It is compatible with the WG 180, WG 200, and WG 250 series when used in conjunction with the correct 4651301032: HOUSING adapter. For WG 120 and WG 150 variants, verify that the 4651301033: HOUSING is present to ensure proper alignment. Always cross-reference your transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101013 | TRANSMISSION HOUSING | Main structural casing for gear and valve body |
| 4651301032 | HOUSING | Secondary housing for hydraulic control module |
| 0634303928 | O-RING | Seals fluid passages between components |
| 4651301033 | HOUSING | Alternate housing for WG 120/150 variants |
| 4651203002 | SCREEN SHEET | Filters debris from hydraulic fluid |
| 4651303005 | SCREEN SHEET | Secondary filtration for high-pressure circuits |
| 0636101032 | CAP SCREW | Fastens housing assemblies with precise torque |
| 0630361028 | SEALING CAP | Prevents fluid loss from unused ports |
| 4475280060 | SCREW PLUG | Seals threaded access holes |
| 0634303312 | O-RING | Provides secondary seal for high-pressure joints |
Frequently Asked Questions
Q: Can the 4651.183.006 be installed without replacing the O-rings?
A: It is strongly recommended to replace all sealing elements, particularly the 0634303928: O-RING, during installation. Old seals may have compressed or hardened, leading to immediate leaks.
Q: How do I know if my WG 110 needs this specific part?
A: If you experience erratic shifting or fluid loss near the valve body area, inspect the 4651.183.006 for scoring or wear. A pressure test below 12 bar typically confirms failure.
Q: Is this part interchangeable with aftermarket versions?
A: Only OEM genuine ZF parts guarantee the exact metallurgy and tolerances. Aftermarket copies often fail prematurely due to inferior material hardness.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
