Overview
The ZF 4642.130.073 ENGINE CONNECTION is a critical OEM genuine interface component designed for the WG 150 Series transmission. This part serves as the primary mechanical link between the engine flywheel housing and the transmission bell housing, ensuring precise alignment and torque transfer during operation. As an original ZF part, the 4642.130.073 ENGINE CONNECTION maintains the structural integrity of the driveline assembly, reducing vibration and preventing misalignment that can lead to premature wear on adjacent components. This part is frequently replaced alongside the 4642101109: TRANSMISSION HOUSING and the 4642301205: TRANSMISSION HOUSING during major overhauls.
Symptoms of Failure
When the ZF 4642.130.073 ENGINE CONNECTION begins to fail, operators typically notice three to four distinct warning signs. Oil leaks at the engine-transmission interface are the most common symptom, often appearing as drips near the bell housing joint. Gear slipping under load can occur when the connection loosens, causing the transmission to lose proper engagement with the engine. Abnormal driveline vibration during acceleration or deceleration indicates the connection has worn beyond tolerance. Difficulty shifting between forward and reverse may also develop, as the misaligned connection strains the shift mechanism. These failure symptoms are frequently addressed by replacing the ENGINE CONNECTION along with the 0730365125: TYPE PLATE and the 0631311009: GROOVED STUD to ensure proper reassembly.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4642.130.073 |
| Product Name | ENGINE CONNECTION |
| Material | High-grade cast iron with corrosion-resistant coating |
| Weight | 2.8 kg (6.2 lbs) |
| Length | 185 mm |
| Width | 120 mm |
| Height | 95 mm |
| OEM Reference | ZF 4642.130.073 |
| Bolt Hole Pattern | 6-hole, 10 mm diameter |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This ZF 4642.130.073 ENGINE CONNECTION is primarily compatible with the WG 150 Series transmission models. Based on its design and mounting configuration, it is also suitable for use in the WG 180 and WG 200 series transmissions, as these share similar bell housing dimensions. Additionally, the part may fit select WG 120 and WG 250 variants where the engine connection interface is identical. Always verify the bolt pattern and alignment before installation. For complete assembly, this part integrates with the 4642301168: SCREEN SHEET and the 4642301169: SCREEN SHEET for filtration purposes.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4642301205 | TRANSMISSION HOUSING | Secondary housing for clutch pack support |
| 0730365125 | TYPE PLATE | Identification plate for serial number and specs |
| 0631311009 | GROOVED STUD | Alignment pin for housing positioning |
| 4642301168 | SCREEN SHEET | Oil filter screen for debris protection |
| 4642301169 | SCREEN SHEET | Secondary oil filter screen |
| 0636100621 | HEXAGON SCREW | Fastener for securing housing components |
| 4642301186 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4644106231 | SHIFT SYSTEM | Valve body for gear selection control |
| 4644306470 | GASKET | Sealing ring for fluid containment |
