Overview
The ZF 4656.183.006 is a precision-engineered OEM genuine component specifically designed for the WG 160 Series transmission. This part functions as a critical internal guide and sealing element, ensuring proper fluid flow and pressure regulation within the gearbox assembly. As an original ZF part, SKU 4656.183.006 guarantees exact fitment and long service life, reducing the risk of premature wear in heavy-duty commercial applications. It sits directly within the main valve body area, interacting with the 4656101037: TRANSMISSION HOUSING to maintain structural integrity under high torque loads.
Symptoms of Failure
- Delayed or harsh gear engagement: When the 4656.183.006 wears, hydraulic pressure drops, causing noticeable hesitation when shifting from neutral to drive or reverse.
- Internal transmission fluid leaks: A worn part can allow ATF to bypass seals, leading to puddles under the vehicle and low fluid levels.
- Erratic shifting under load: Operators may experience unexpected gear slips or surging during acceleration, especially in stop-and-go traffic.
- Overheating transmission: Reduced fluid circulation from a failing component forces the system to run hotter, triggering warning lights or burnt fluid smell.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4656.183.006 |
| Material | High-grade aluminum alloy with hardened steel inserts |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 185 mm x 95 mm x 40 mm |
| OEM Reference | ZF WG 160 Series |
| Surface Treatment | Anodized corrosion protection |
Compatibility
This genuine ZF part is primarily engineered for the WG 160 transmission series. Based on its design and function, it is also compatible with the following ZF models: WG 180, WG 200, and WG 150 series. It integrates seamlessly with the 4656201075: HOUS.FRONT SECT and the 4656201035: HOUSING REAR PART to form a complete sealed assembly. For specific vehicle applications (including municipal trucks, buses, and construction equipment), always verify your transmission model number before ordering.
Related Components
Below is a comprehensive list of parts that are commonly replaced or installed alongside the 4656.183.006 during a full transmission overhaul. These components work together to restore factory performance.
| Part Number | Name | Function |
|---|---|---|
| 4656101037 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4656201075 | HOUS.FRONT SECT | Front section housing for input shaft and bearings |
| 4656201035 | HOUSING REAR PART | Rear section housing for output shaft and seals |
| 4472239178 | HOUSING REAR PART | Alternate rear housing variant for specific WG models |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise housing positioning |
| 4656301148 | FIXING PLATE | Secures internal components against vibration |
| 0636100817 | CAP SCREW | High-strength fastener for housing assembly |
| 4656301016 | SCREEN SHEET | Fine mesh filter for fluid debris protection |
| 4656301017 | SCREEN SHEET | Alternate mesh filter for high-flow applications |
| 0636100803 | CAP SCREW | Standard fastener for cover plate mounting |
Frequently Asked Questions
Q: How do I know if the 4656.183.006 is the correct part for my transmission?
A: Verify your transmission model number (e.g., WG160) stamped on the data plate. This part is specifically designed for the WG 160 series and its direct variants. If you have a WG180 or WG200, cross-reference the housing numbers with the 4656201075: HOUS.FRONT SECT to confirm compatibility.
Q: Can I replace this part without removing the entire transmission?
A: In most cases, yes. The 4656.183.006 is accessible after removing the transmission oil pan and valve body. However, we recommend inspecting the 4656301016: SCREEN SHEET and all cap screws simultaneously to prevent future failures.
Q: What is the typical lifespan of this OEM part?
A: Under normal operating conditions with regular fluid changes, the 4656.183.006 can last 300,000 to 500,000 miles. Harsh environments or contaminated fluid will significantly reduce its service life.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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