Overview
The ZF 4657.130.418 ENGINE CONNECTION is a critical interface component designed specifically for the WG 210 Series transmission. This OEM genuine part serves as the mechanical link between the transmission assembly and the engine bell housing, ensuring precise alignment and secure power transfer. The SKU 4657.130.418 is engineered to absorb torsional vibrations while maintaining a rigid connection, preventing misalignment that can lead to premature wear on internal gears and bearings. As a factory-spec component, it integrates seamlessly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to form the primary structural foundation of the gearbox.
Symptoms of Failure
When the ZF 4657.130.418 ENGINE CONNECTION begins to fail, operators may notice distinct operational issues. Oil seepage at the engine-to-transmission mating surface is a common early indicator, often mistaken for a rear main seal leak. Intermittent gear engagement hesitation occurs as the connection loosens, causing the input shaft to shift slightly under load. Vibration during acceleration becomes pronounced, particularly in the 30-50 mph range, as the dampening properties of the part degrade. Metallic clicking sounds from the bell housing area signal advanced wear, where the connection has developed excessive play against the HOUSING REAR PART.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.130.418 |
| Material | High-tensile cast iron with corrosion-resistant coating |
| Overall Diameter | 210 mm (8.27 in) |
| Bolt Hole Pattern | 8-hole, 180 mm BCD |
| Weight | 2.85 kg (6.28 lbs) |
| OEM Reference | ZF 4657.130.418 (Genuine) |
| Torque Spec | 85 Nm (62.7 lb-ft) dry |
Compatibility
This ENGINE CONNECTION is primarily designed for the WG 210 Series transmission family. It is also compatible with the WG180 and WG200 models when used with the appropriate CYLINDRICAL PIN alignment kit. The part fits all WG210 variants manufactured after 2010, including the WG210-5 and WG210-6 torque converter configurations. For earlier WG180 units, verify the bolt pattern matches the TRANSMISSION HOUSING flange before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101034 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657201027 | HOUS.FRONT SECT | Front section housing the input shaft |
| 4657201012 | HOUSING REAR PART | Rear section supporting output flange |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 fastener for housing bolts |
| 4656301148 | FIXING PLATE | Locks connection to housing |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M12 fastener for connection plate |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel to connection |
Frequently Asked Questions
Q: Can the ZF 4657.130.418 be reused after removal?
A: ZF recommends replacing this ENGINE CONNECTION whenever the transmission is separated from the engine, as the metal gasket surface deforms during initial torquing and may not seal properly a second time.
Q: Does this part require special tools for installation?
A: Yes, a torque wrench capable of 85 Nm and a dial indicator for runout verification are essential. The CYLINDRICAL PIN must be driven flush with the housing face using a brass drift to avoid damage.
Q: How does this part interact with the HOUSING REAR PART?
A: The ENGINE CONNECTION bolts directly to the HOUSING REAR PART via four M12 cap screws, creating a sealed cavity that houses the torque converter pilot bearing. Any warpage in this mating surface will cause immediate oil loss.
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Phone: +86 158 2286 3467 |
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