ZF Transmission Spare Part | Part Verification | Worldwide Export Supply
For repair teams working on off-highway machines operating under repeated load cycles, the ZF 4139.333.172 OUTER DISC is a reference-sensitive item: correct identification matters more than visual similarity. Vomeks supplies this ZF spare part for international maintenance and overhaul requirements, with support for part-number checking and export quotation.
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A practical replacement scenario can include heat discoloration, warped plates or contaminated friction surfaces. These symptoms do not prove that one part is the only cause, so the surrounding transmission circuit or assembly should be checked before ordering.
The ZF 4139.333.172 OUTER DISC forms part of the friction or reaction stack used during gear engagement. In off-highway machines operating under repeated load cycles, this makes heat and wear pattern an important point when the component is inspected or replaced.
During service, inspect the complete clutch stack, mating plates and piston seals rather than replacing one worn item alone. This helps protect the replacement part and reduces the chance that an unresolved root cause will create another failure after installation.
Use the complete reference ZF 4139.333.172 when requesting this part. Where available, also send the transmission model, machine model, serial information or a clear nameplate photo. This is especially useful when related ZF variants use components that look alike but are not interchangeable.
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For pricing and availability, share the complete ZF reference, required quantity and destination. Transmission identification is recommended when the application is uncertain.