Overview
The ZF 4657.301.049 SCREEN SHEET is a critical filtration component engineered specifically for the WG 210 series transmission. Positioned within the hydraulic circuit, this OEM genuine part captures metallic debris and particulate contaminants before they can circulate through the valve body and clutch packs. By maintaining fluid cleanliness, the screen sheet ensures consistent hydraulic pressure and prolongs the service life of adjacent assemblies such as the 4657101040 TRANSMISSION HOUSING. The SKU 4657.301.049 is precision-manufactured to ZF’s original specifications, guaranteeing a direct fit and reliable performance in heavy-duty industrial applications.
Symptoms of Failure
- Erratic gear engagement or delayed shifting – A clogged screen sheet restricts oil flow, causing hesitation when the transmission shifts between forward and reverse gears.
- Intermittent oil pressure fluctuations – Debris accumulation on the screen sheet leads to unstable hydraulic pressure, often triggering warning lights or erratic clutch behavior.
- Contaminated transmission fluid with visible particles – When the screen sheet tears or degrades, metal shavings and friction material bypass the filter, resulting in gritty or discolored oil.
- Overheating during sustained operation – Reduced fluid circulation due to a blocked screen sheet forces the transmission to run hotter than normal, accelerating wear on seals and bearings.
Technical Specifications
| Part Number (SKU) | 4657.301.049 |
| OEM Reference | ZF 4657.301.049 |
| Material | Stainless steel mesh with reinforced polymer frame |
| Dimensions (L x W x H) | 185 mm x 95 mm x 8 mm |
| Weight | 0.12 kg |
| Mesh Micron Rating | 120 microns |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This screen sheet is primarily designed for the ZF WG 210 series, but it also fits select models within the WG180, WG200, and WG250 families where the hydraulic filtration layout is identical. Always verify the mounting flange pattern against your transmission’s oil pan or valve body cover. For complete assembly integrity, pair this screen sheet with the 4657201028 HOUS.FRONT SECT and the 4657201013 HOUSING REAR PART, which together form the sealed filtration chamber. Additionally, the 0631306792 CYLINDRICAL PIN is required to align the screen sheet during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101040 | TRANSMISSION HOUSING | Main structural casing enclosing all rotating components |
| 4657201028 | HOUS.FRONT SECT | Front section of the housing, supports input shaft and pump |
| 4657201013 | HOUSING REAR PART | Rear housing section, houses output shaft and parking mechanism |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for precise screen sheet positioning |
| 0636100801 | CAP SCREW | Fastener for securing the screen sheet bracket |
| 4656301148 | FIXING PLATE | Retaining plate that holds the screen sheet in place |
| 4657301034 | SCREEN SHEET | Alternate mesh variant for different filtration requirements |
| 0636100803 | CAP SCREW | Secondary fastener for the housing cover |
| 4681301040 | OIL FEED.HOUSG. | Distributes filtered oil to clutch and valve circuits |
| 4656301023 | GASKET | Seals the screen sheet compartment to prevent bypass leakage |
