Mercury outboard spare part 23721 (RING Retaining). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 150 HP V6 CYL (2.5L), 200 HP 6 CYL (3.0L), 200 HP Pro XS 6 CYL (3.0L), 200 HP DTS 6 CYL (3.0L), 225 HP 6 CYL (3.0L), 225 HP DTS 6 CYL (3.0L), 250 HP 6 CYL (3.0L), 200 (3.0L), 225 (3.0L), 225 HP Pro XS 6 CYL (3.0L), 250 HP Pro XS 6 CYL (3.0L), 250 (3.0L). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 23721 (RING Retaining), documented in 79 exploded diagram location(s), across the 2-STROKE-DFI-OPTIMAX, 2-STROKE-EFI, 4-STROKE-CARB, 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 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-6-cyl-3-0l | 1B912786 THRU 2B535571 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B504989 THRU 1B912785 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 200-hp-pro-xs-6-cyl-3-0l | 1B912786 THRU 2B535571 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-6-cyl-3-0l | 1B504989 THRU 2B535086 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 225-hp-dts-6-cyl-3-0l | 1B504989 THRU 1B964735 | 11, 12 | 1 | View |
| Mercury 2-STROKE-DFI-OPTIMAX | 250-hp-6-cyl-3-0l | 1B528615 THRU 2B535086 | 11, 12 | 1 | View |
| Mercury 2-STROKE-EFI | 200-3-0l | 1B504989 THRU 2B528096 | 11, 12 | 1 | View |
| Mercury 2-STROKE-EFI | 225-3-0l | 1B504989 THRU 2B528096 | 11, 12 | 1 | View |
| Mercury 2-STROKE-EFI | 250-3-0l | 1B504989 THRU 2B528096 | 11, 12 | 1 | View |
| Mercury 4-STROKE-CARB | 4-hp-carb | 0P073456 THRU 0P400999 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 4-hp-carb | 0P401000 THRU 0R411837 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 4-hp-carb | 0R000001 THRU 0R067089 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 4-hp-carb | 0R067090 THRU 0R411837 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 4-hp-carb | 0R411838 UP | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 5-hp-carb | 0P073456 THRU 0P400999 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 5-hp-carb | 0P401000 THRU 0R411837 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 5-hp-carb | 0R000001 THRU 0R067089 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 5-hp-carb | 0R067090 THRU 0R411837 | 12 | 1 | View |
| Mercury 4-STROKE-CARB | 5-hp-carb | 0R411838 UP | 12 | 1 | View |
| Mercury 4-STROKE-EFI | 105-hp-efi-jet | 3B672358 UP | 11 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi | 2B131942 UP | 11 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 0P419487 THRU 0P464487 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 0P464488 THRU 0P514868 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 0P514869 THRU 0P593020 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 1B381712 THRU 1B517158 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 135-hp-efi-verado-4-cyl | 1B517159 THRU 2B576734 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi | 1B905505 UP | 11 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-seapro | 2B139139 UP | 11 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 0P419487 THRU 0P464487 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 0P464488 THRU 0P514868 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 0P514869 THRU 0P593020 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 1B381712 THRU 1B517158 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 150-hp-efi-verado-4-cyl | 1B517159 THRU 2B576734 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 0P419487 THRU 0P464487 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 0P464488 THRU 0P514868 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 0P514869 THRU 0P593020 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 1B381712 THRU 1B517158 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 175-hp-efi-verado-4-cyl | 1B517159 THRU 2B576734 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-pro-verado-6-cyl | 2B034840 THRU 2B144122 | 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-4-cyl | 0P514869 THRU 0P593020 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-4-cyl | 1B517159 THRU 2B576734 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 0P409357 THRU 0P464487 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 0P464488 THRU 0P520552 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 0T980000 THRU 1B226999 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 1B381712 THRU 1B517433 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 200-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 11 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 0P409357 THRU 0P464487 | 12 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 0P464488 THRU 0P520552 | 12 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 0T980000 THRU 1B226999 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 1B381712 THRU 1B517433 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 225-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-pro-verado-6-cyl | 1B830170 THRU 2B144122 | 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 0P409357 THRU 0P464487 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 0P464488 THRU 0P520552 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 11 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 0T980000 THRU 1B226999 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 1B381712 THRU 1B517433 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 250-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 0P409357 THRU 0P464487 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 0P464488 THRU 0P520552 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 0T980000 THRU 1B226999 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 1B227000 THRU 1B381711 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 1B381712 THRU 1B517433 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 275-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-pro-verado-6-cyl | 1B830170 THRU 2B144122 | 12 | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-verado-6-cyl | 0P520553 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 300-hp-verado-6-cyl | 1B517434 THRU 2B144122 | 11, 12 | 1 | View |
| Mercury 4-STROKE-EFI | 350-hp-sci-verado | 1B716557 THRU 2B143542 | 12 | 1 | View |
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