52S-12439-00-00 O-RING

This dossier records 52S-12439-00-00 as a genuine OE number. Check the sources below for the applicable market and version.

Current evidence points to Yamaha CZD300JW (XMAX) B747 2018, Yamaha CZD300KB (XMAX) B74F 2019, Yamaha CZD300LGY (XMAX) B74J 2020. Verify the year, market and engine version against the original vehicle information and source evidence.

Check the part number, model year, sales market, engine version, installation position and critical dimensions. Still missing: O-ring inner diameter, Cross-section diameter, Material, Supplier code, Minimum operating temperature, Maximum operating temperature, Fitment type, Shore A hardness.

There is currently no evidence-confirmed genuine replacement relationship, so direct replacement cannot be concluded.

The same model may use different numbers and specifications across years, markets, engines or trim versions; verify the complete vehicle environment.

The current parameter template is still missing O-ring inner diameter, Cross-section diameter, Material, Supplier code, Minimum operating temperature, Maximum operating temperature, Fitment type, Shore A hardness. Missing fields are never guessed automatically.