Mercury outboard spare part 81578M (KNOB CHOKE). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.
Fits 40C (TWIN CARB) (W/AUTO-BLEND), 40B (THRU PROP. EXHAUST), 40C (TWIN CARB), W40 (W/MARATHON). Select a model tag above to open the exploded diagram and confirm the position.
Mercury outboard part 81578M (KNOB CHOKE), documented in 11 exploded diagram location(s), across the 2-STROKE-CARB series.
| Series | Model | Serial range | REF | Qty | Diagram |
|---|---|---|---|---|---|
| Mercury 2-STROKE-CARB | 40b-thru-prop-exhaust | E 676 B100461 THRU B102785 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40b-thru-prop-exhaust | EL 676 B400420 THRU B405250 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40b-thru-prop-exhaust | M 676 B000106 THRU B002780 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40b-thru-prop-exhaust | ML 676 B300101 THRU B302425 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40c-twin-carb | 6E9 000106 THRU 6E9 007665 M | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40c-twin-carb | 6E9 100101 THRU 6E9 105013 E | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40c-twin-carb | 6E9 300126 THRU 6E9 309343 ML | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40c-twin-carb | 6E9 400231 THRU 6E9 423162 EL | 22 | 1 | View |
| Mercury 2-STROKE-CARB | 40c-twin-carb-w-auto-blend | 6E9 007666 THRU 6E9 015000 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | w40-w-marathon | 6F6 005206 THRU 00365385 | 22 | 1 | View |
| Mercury 2-STROKE-CARB | w40-w-marathon | 6F6 308308 THRU 00365385 | 22 | 1 | View |
WeChat / Tel: +86 18658175361
Email: marinemotorparts@gmail.com
Contact us for specs, price and stock.