1372 304 046 Main Shaft Washer

1372 304 046 Main Shaft Washer

1372 304 046 Main Shaft Washer

Part No. 1372 304 046 Main Shaft Washer is arranged at the joint of mainshaft gears and bearings in the transmission. It functions to isolate spacing, limit axial movement, share transmission pressure and calibrate assembly clearance.
Manufactured with strict dimensional tolerance and high flatness accuracy, it bears force evenly without eccentric wear and ensures smooth operation without stagnation.
Made of fatigue-resistant material capable of withstanding alternating impact loads, it is suitable for 12-speed AMT transmissions of heavy-duty trucks and large coaches, including ZF 12AS2330, 12AS2530 and 12AS2730.
It repairs faults such as mainshaft axial play, end face wear, transmission abnormal noise and excessive clearance. After installation, the transmission runs more smoothly and firmly protects the core internal transmission components of the gearbox.
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ZF 1372 304 046 Main Shaft Washer is compatible with 12AS series 12-speed AMT transmissions.
Integrally stamped from high-precision alloy steel plate, it features a flat, burr-free surface with uniform and stable thickness. It offers excellent compression and deformation resistance, resisting denting and warping under long-term heavy load.
Treated by hardening, tempering, rust-proof and oil-resistant processes, it adapts well to the high-temperature and fluid-immersed working environment inside the transmission, with outstanding corrosion resistance, aging resistance and stable shape without rusting or deformation.
With OEM accurate inner and outer diameters, it fits perfectly during installation. It effectively performs positioning and spacing, evenly distributes axial load, buffers transmission impact and reduces end face wear, making it a standard precision part for main shaft assembly and calibration of gearboxes.

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