Mercury outboard spare part 8M0050431 (WASHER .034). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 115 HP EFI, 200 HP 6 CYL (3.0L), 200 HP Pro XS 6 CYL (3.0L), 135 HP EFI Verado 4 CYL, 150 HP EFI Verado 4 CYL, 175 HP EFI Verado 4 CYL, 300 HP XS 6 CYL (3.2L), 200 HP DTS 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 225 HP DTS 6 CYL (3.0L), 225 HP Pro XS 6 CYL (3.0L), 250 HP 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 200 (3.0L), 225 (3.0L), 150R HP 3.4L V6, 200R HP 3.4L V6 Racing, 3.0L DSI (Diesel Spark Ignition), 250 (3.0L), 100 HP EFI, 105 HP EFI Jet, 115 HP EFI SeaPro, 135 HP EFI, 150 HP EFI SeaPro, 150 HP EFI, 175 HP 3.4L V6 Pro XS, 175 HP 3.4L V6, 200 HP 3.4L V6 SeaPro, 200R HP 3.4L V6 15 Inch Midsection Racing. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 8M0050431 (WASHER .034), documented in 78 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-EFI series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B504989 THRU 1B912785 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B912786 THRU 2B535571 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B504989 THRU 1B912785 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B912786 THRU 2B535571 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B504989 THRU 2B535086 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-6-cyl-3-0l | 1B528615 THRU 2B535086 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 3-0l-dsi-diesel-spark-ignition | 1E052967 THRU 1E054191 | 24 | AR | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 300-hp-xs-6-cyl-3-2l | 1E052058 THRU 1E053987 | 24, 25 | A/R, AR | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B504989 THRU 2B528096 | 24 | AR | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B504989 THRU 2B528096 | 24 | AR | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B504989 THRU 2B528096 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 100-hp-efi | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 115-hp-efi-seapro | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 0P514869 THRU 0P593020 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 1B517159 THRU 2B576734 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 0P514869 THRU 0P593020 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 1B517159 THRU 2B576734 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 150r-hp-3-4l-v6 | 3B547096 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 150r-hp-3-4l-v6 | 3B648748 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-3-4l-v6 | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-3-4l-v6-pro-xs | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 0P514869 THRU 0P593020 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 1B517159 THRU 2B576734 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 200-hp-3-4l-v6 | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-3-4l-v6-seapro | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-pro-verado-6-cyl | 2B034840 THRU 2B144122 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 200-hp-pro-verado-6-cyl | 2B144123 THRU 2B577715 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-4-cyl | 0P514869 THRU 0P593020 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-4-cyl | 1B517159 THRU 2B576734 | 24 | A/R, AR | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 2B144123 THRU 2B578935 | 24, 29, 30 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 200-ros-hp-3-4l-v6-15-inch-midsection-racing | 1E054618 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 200r-hp-3-4l-v6-15-inch-midsection-racing | 1E054618 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 200r-hp-3-4l-v6-racing | 3B547096 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 200r-hp-3-4l-v6-racing | 3B648748 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-3-4l-v6 | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 2B144123 THRU 2B578935 | 24, 29, 30 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 250-hp-4-6l-v8 | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-4-6l-v8-seapro | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-4-6l-v8-verado | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-pro-verado-6-cyl | 1B830170 THRU 2B144122 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 250-hp-pro-verado-6-cyl | 2B144123 THRU 2B577715 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 2B144123 THRU 2B578935 | 24, 30 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 2B144123 THRU 2B578935 | 24, 29, 30 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 300-hp-4-6l-v8 | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-4-6l-v8-ams-seapro | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-4-6l-v8-cms | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-4-6l-v8-cms-seapro | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-4-6l-v8-verado | 2B529482 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-pro-verado-6-cyl | 1B830170 THRU 2B144122 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 300-hp-pro-verado-6-cyl | 2B144123 THRU 2B577715 | 24 | AR | View |
| Mercury 4-STROKE-EFI | 300-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 300-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 24, 29 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 300-hp-verado-6-cyl | 2B144123 THRU 2B578935 | 24, 29, 30 | AR, A/R | View |
| Mercury 4-STROKE-EFI | 300-ros-hp-4-6l-v8-15-inch-midsection-racing | 1E054618 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300r-hp-4-6l-v8-15-inch-midsection-racing | 1E054618 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 300r-hp-4-6l-v8-ams-racing | 1E081459 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 350-hp-2-6l-l6-pro-verado | 2B141124 THRU 3B342962 | 29 | A/R | View |
| Mercury 4-STROKE-EFI | 350-hp-2-6l-l6-verado | 2B141617 THRU 3B342962 | 29 | A/R | View |
| Mercury 4-STROKE-EFI | 350-hp-sci-verado | 1B716557 THRU 2B143542 | 29 | A/R | View |
| Mercury 4-STROKE-EFI | 400-hp-2-6l-l6-verado | 2B618256 THRU 3B342962 | 29 | A/R | View |
| Mercury 4-STROKE-EFI | 400r-hp-2-6l-l6-racing | 2B141124 THRU 3B342962 | 29 | A/R | View |
| Mercury 4-STROKE-EFI | 65-hp-efi-jet | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 75-hp-efi | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 75-hp-efi-seapro | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 80-hp-efi | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 80-hp-efi-jet | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 90-hp-efi | 2B095049 UP | - | 1 | View |
| Mercury 4-STROKE-EFI | 90-hp-efi-seapro | 2B095049 UP | - | 1 | View |
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