Weichai Main-Bearing Bushing 81500010046 – Size and Oil-Hole Guide

Weichai Main-Bearing Bushing 81500010046 – Size and Oil-Hole Guide is a crankshaft main-bearing bushing for a Weichai diesel-engine application. This bearing record is separated from VG1540010046 because the verified part number and bearing geometry may differ. Final selection should use the engine nameplate and physical interfaces rather than appearance alone.

What should buyers verify?

• Photograph the Weichai engine nameplate and removed component.

• Record all labels, castings and stamped numbers.

• Compare mounting, connections and drive or sealing interfaces.

• Document the original failure symptoms and related test results.

Diagnose the surrounding engine system

This bearing record is separated from VG1540010046 because the verified part number and bearing geometry may differ. Inspect related lubrication, cooling, air, fuel or electrical systems as applicable so the replacement is not damaged by an unresolved fault.

Installation and commissioning checks

Keep all openings clean, compare the old and replacement parts side by side and follow the Weichai service procedure. After installation, check leakage, noise, temperature, pressure or electrical performance as relevant.

Verified product record

Related Weichai component

See the Weichai main bearing VG1540010046 comparison for a related identification workflow. The linked part is not presented as interchangeable.

FAQ

Is 81500010046 enough to confirm fitment?
Use it together with the Weichai engine model, serial number and physical interfaces.

What should be inspected before replacement?
Inspect the mating parts and confirm the cause of the original failure.

Why are unverified engine models not listed?
The existing record does not provide enough evidence to claim specific model compatibility.

Compatibility note: Verify part number, engine model, journal diameter, bearing width, locating tang, oil groove and size grade.