Mercury Marine sealing washer 12 x 17 is an original OEM sealing ring for fuel components and fuel rail assemblies on compatible MerCruiser TDI engines. The part has Mercury spare part number 12-8M0068134, also listed as 8M0068134.
The sealing washer is documented for MerCruiser TDI 4.2L 335 MCM, 335 MIE, 370 MCM, and 370 MIE from serial number CMC000200 and newer. Compatibility depends on engine variant and serial number, which should therefore be checked against the spare part number before ordering.
Mercury's spare parts diagram indicates the size designation 12 x 17 and shows that two sealing washers are used in the fuel component assembly in question. This indicates the quantity in the assembly and is not documentation that the product is supplied as a pack of two.
The part is registered as an active Mercury Marine spare part. GTIN 745061103382 can be used for unique identification.
Key featuresOriginal Mercury Marine OEM spare part
Spare part number: 12-8M0068134
Mercury number: 8M0068134
Spare part type: Sealing washer
Size designation: 12 x 17
For fuel components and fuel rail assemblies
Compatible with selected MerCruiser TDI 4.2L 335 and 370 engines
Always check engine model, serial number, and spare part number before purchasing
