Overview
The ZF 4657.130.113 ENGINE CONNECTION is a critical OEM genuine interface component designed specifically for the WG 211 Series transmission. This part serves as the primary mechanical link between the engine flywheel housing and the transmission bell housing, ensuring precise axial alignment and torque transfer during operation. As a genuine ZF component, SKU 4657.130.113 guarantees factory-specified tolerances and material integrity, which are essential for maintaining driveline stability in heavy-duty industrial applications. This engine connection plate integrates directly with the TRANSMISSION HOUSING to form a sealed, vibration-resistant assembly.
Symptoms of Failure
- Transmission-to-engine misalignment noise: A rhythmic clunking or knocking sound during acceleration often indicates a worn engine connection, allowing the transmission to shift out of its proper plane relative to the crankshaft.
- Oil seepage at the bell housing joint: When the connection plate degrades or its sealing surface becomes compromised, ATF fluid may weep from the mating line between the engine and transmission, leaving visible drips on the undercarriage.
- Hard shifting or delayed engagement: A failing connection can introduce axial play that disrupts the pump drive gear alignment, leading to inconsistent hydraulic pressure and sluggish gear changes in the WG211.
- Vibration through the chassis at highway speeds: Excessive wear on the connection plate allows harmonic oscillations to transfer from the driveline into the vehicle frame, often misdiagnosed as a failing torque converter.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.130.113 |
| Material | High-tensile cast iron (GGG-40) |
| Overall Diameter | 320 mm |
| Thickness | 18.5 mm |
| Bolt Hole Pattern | 8 x M12 on 280 mm PCD |
| Weight | 4.2 kg |
| Surface Finish | Zinc-plated with anti-corrosion coating |
| OEM Reference | ZF 4657.130.113 |
Compatibility
This engine connection is engineered for the ZF WG 211 Series transmission family. It is directly compatible with the following models: WG211, WG180, WG200, and WG210. The part also fits select variants of the WG150 and WG250 series when used with the appropriate CYLINDRICAL PIN alignment kit. For proper installation, ensure the HOUS.FRONT SECT and HOUSING REAR PART are inspected for wear simultaneously.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101087 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657301172 | HOUS.FRONT SECT | Forward section of the transmission housing |
| 4657301173 | HOUSING REAR PART | Rear section of the transmission housing |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636102489 | CAP SCREW | M12 fastener for housing bolts |
| 4656301148 | FIXING PLATE | Retention bracket for connection assembly |
| 0636102463 | CAP SCREW | M10 fastener for engine connection |
| 4657201133 | SCREEN SHEET | Mesh filter for oil return path |
| 0636115287 | CAP SCREW | M8 fastener for cover plates |
| 4657301065 | PLATE | Spacer shim for alignment adjustment |
