ZF 4644.130.474 ENGINE CONNECTION for WG150 | OEM Genuine Part

Overview

The ZF 4644.130.474 ENGINE CONNECTION is a critical OEM genuine interface component designed specifically for the WG 150 Series transmission. This part serves as the mechanical link between the engine flywheel housing and the transmission bell housing, ensuring precise alignment and torque transfer during operation. As an original ZF-manufactured unit, the SKU 4644.130.474 guarantees exact fitment and metallurgical integrity, eliminating the risk of vibration-induced wear common with aftermarket substitutes. This connection component sits at the forward end of the transmission assembly, directly interfacing with the 4642101047: TRANSMISSION HOUSING to create a sealed, rigid driveline junction.

Symptoms of Failure

When the ZF 4644.130.474 ENGINE CONNECTION begins to degrade, operators typically notice three distinct failure indicators. First, transmission oil seepage at the engine-transmission mating surface occurs as the connection’s sealing face loses dimensional stability. Second, intermittent gear engagement hesitation during acceleration results from misalignment that strains the shift linkage. Third, abnormal low-frequency vibration transmitted through the chassis indicates the connection has developed micro-cracks or bolt-hole elongation. Fourth, visible fretting corrosion on the mounting flange suggests the part has exceeded its service life, often accompanied by metallic debris in the transmission fluid.

Technical Specifications

Compatibility

While primarily designed for the WG 150 Series, the 4644.130.474 ENGINE CONNECTION also fits select ZF WG 180 and WG 200 models produced between 2005 and 2018. This part is compatible with transmissions that share the same SAE 3 bell housing pattern. For proper installation, it must be paired with the 4642301207: TRANSMISSION HOUSING to maintain correct axial clearance. Always verify the 0730365067: TYPE PLATE on your unit to confirm model designation before ordering. The connection also requires the 0631311009: GROOVED STUD for proper torque retention during high-load operation.

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