Overview
The ZF 4656.354.016 COVER PLATE is a critical sealing and structural component engineered specifically for the WG 210 Series transmission. This OEM genuine part, identified by SKU 4656.354.016, sits at the rear interface of the main transmission housing, providing a secure barrier that retains hydraulic fluid and protects internal gear sets from external contaminants. As a precision-machined plate, it works in concert with the 4657101033: TRANSMISSION HOUSING to maintain proper oil pressure and ensure the longevity of the planetary gear system. Without this cover plate, the transmission’s internal environment would be compromised, leading to accelerated wear and performance degradation.
Symptoms of Failure
When the ZF 4656.354.016 COVER PLATE begins to fail, operators often notice distinct operational issues that signal urgent replacement. The most common symptom is hydraulic fluid seepage around the rear bell housing, which can escalate into steady drips under load. Another frequent indicator is erratic gear engagement or delayed shifting, caused by a loss of internal oil pressure due to a compromised seal. You may also detect unusual metallic grinding noises from the transmission rear section, as debris enters through a warped or cracked plate. Finally, visible corrosion or pitting on the plate surface during routine inspection suggests imminent failure, especially in high-mileage units.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number (SKU) | 4656.354.016 |
| OEM Reference | ZF WG210 Series |
| Material | High-Grade Aluminum Alloy (Die-Cast) |
| Weight | 1.85 kg (4.08 lbs) |
| Overall Dimensions | 320 mm x 180 mm x 12 mm |
| Bolt Hole Pattern | 6x M10 (120 mm PCD) |
| Surface Finish | Anodized with Sealing Gasket Groove |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This cover plate is primarily designed for the ZF WG 210 Series, but its mounting pattern and sealing geometry also make it suitable for select models in the WG180, WG200, and WG250 families. It directly interfaces with the 4657201027: HOUS.FRONT SECT and the 4657201012: HOUSING REAR PART to form a complete enclosure. For secure fastening, the assembly requires the 0631306792: CYLINDRICAL PIN to ensure precise alignment during installation. Always verify your transmission’s serial number against ZF’s official compatibility charts before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201027 | HOUS.FRONT SECT | Forward section of the transmission housing |
| 4657201012 | HOUSING REAR PART | Rear section enclosing output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for precise assembly |
| 0636100801 | CAP SCREW | Fastener for cover plate mounting |
| 4656301148 | FIXING PLATE | Retainer for internal oil passages |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for debris |
| 0636100803 | CAP SCREW | Secondary fastener for housing sections |
| 4681301040 | OIL FEED.HOUSG. | Lubrication supply manifold |
