Mercury outboard spare part 821571A1 (GUIDE TOOL Water Pump Alignment Pins Gear Housing). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 200 (3.0L), 225 (3.0L), 250 (3.0L), 225 (3.0L) MARATHON, 225 (3.0L) SEAPRO, 250 L (3.0L), 3.0L MARATHON, 3.0L SEAPRO. Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 821571A1 (GUIDE TOOL Water Pump Alignment Pins Gear Housing), documented in 28 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T178500 THRU 0T598999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 0T599000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 0T980000 THRU 1B417701 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T178500 THRU 0T598999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 0T599000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B417702 THRU 1B504988 | - | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T750164 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B417702 THRU 1B504988 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B504989 THRU 2B528096 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B417702 THRU 1B504988 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B504989 THRU 2B528096 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-marathon | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l-seapro | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 0T801000 THRU 1B417701 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B417702 THRU 1B504988 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B504989 THRU 2B528096 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 250-l-3-0l | 0T861319 THRU 1B118897 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 3-0l-marathon | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | 3-0l-seapro | 0T409000 THRU 0T800999 | 0 | 1 | View |
| Mercury 2-STROKE-EFI | v-150-hp-2-5l | 0T801000 THRU 1B226999 | - | 1 | View |
| Mercury 2-STROKE-EFI | v-150-hp-2-5l | 1B227000 THRU 2B121048 | - | 1 | View |
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