Overview
The ZF 4651.130.002 ENGINE CONNECTION is a critical interface component designed specifically for the WG 100 Series transmission family. This OEM genuine part serves as the primary link between the engine flywheel housing and the transmission bell housing, ensuring precise alignment and secure torque transfer. Located at the front of the gearbox assembly, the 4651.130.002 engine connection absorbs torsional vibrations and maintains structural integrity during high-load operations. The SKU 4651.130.002 is engineered to ZF’s exacting tolerances, making it indispensable for maintaining driveline stability in industrial and commercial vehicle applications.
Symptoms of Failure
When the 4651.130.002 engine connection begins to wear, operators may notice several distinct failure indicators. Oil seepage at the engine-transmission interface is a common early sign, often accompanied by abnormal gear engagement noise during acceleration. As the part degrades, vibration through the chassis at highway speeds becomes pronounced, and intermittent loss of hydraulic pressure can occur due to misalignment. These symptoms typically worsen over time, leading to accelerated wear on adjacent components like the 4651101007: TRANSMISSION HOUSING and the 4651301029: HOUSING.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4651.130.002 |
| Material | High-grade cast iron with corrosion-resistant coating |
| Weight | 4.2 kg (9.26 lbs) |
| Outer Diameter | 245 mm |
| Bolt Hole Pattern | 6 x M12 on 200 mm PCD |
| OEM Reference | ZF 4651.130.002 |
| Sealing Surface | Precision ground to 0.05 mm flatness |
Compatibility
This engine connection is primarily designed for the WG 100 Series transmissions, including models such as WG100, WG120, and WG150. It also fits select variants of the WG180 and WG200 series when used with the appropriate 0634303928: O-RING for sealing. For proper installation, always verify the bolt pattern matches the 4651301024: HOUSING on your specific transmission model. Cross-reference with your vehicle’s ZF serial number to confirm compatibility before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101007 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4651301029 | HOUSING | Intermediate housing for clutch pack |
| 0634303928 | O-RING | Seal for engine connection interface |
| 4651301024 | HOUSING | Rear housing for output shaft support |
| 4651203002 | SCREEN SHEET | Filter screen for hydraulic circuit |
| 4651303005 | SCREEN SHEET | Secondary filter element for oil return |
| 0636101032 | CAP SCREW | Fastener for housing attachment |
| 0630361028 | SEALING CAP | Protective cover for unused ports |
| 4475280060 | SCREW PLUG | Threaded plug for drain/fill holes |
| 0634303312 | O-RING | Seal for housing joint surfaces |
