Request a quotation for 31N8-18421 Holding Valve for R215-7 R215-7C R225LC-7 AV170 AV280 31N818421 Machinery Engine Parts.
Fitment checks
Compare the component reference, mounting dimensions, hydraulic connections, and any electrical connector; confirm the required operating specification. Confirm the listed references and applications against the existing part and machine data before ordering.
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Send clear photos of the old part and label, machine model and serial number, quantity required and delivery country. Include the engine or assembly identification where relevant.





