Description
Rebuild your AEM adjustable fuel pressure regulator with a fresh diaphragm, single large return orifice, and O-ring. Fits PN 25-300BK through 25-305BK.
Manufacturer part number 25-392. Official AEM regulator product listing.
Fuel system pressure adjustment and installation depend on injector, rail, flow requirement, thread, fittings and engine configuration. Confirm vehicle-specific fitment before purchase; no guaranteed direct fit inferred.
AutoFusion Bangladesh genuine AEM fuel pressure components available by quotation. Local price, stock and lead time are unconfirmed.





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