Mercury outboard spare part 804329 (IDLER GEAR). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 115 4 CYL, 100 4 CYL, 50 3 CYL, 140 JET, 45 JET, 40 (TWIN CARB) (W/OIL INJECTION). Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 804329 (IDLER GEAR), documented in 31 exploded diagram location(s), across the 2-STROKE-CARB, 2-STROKE-DFI-OPTIMAX, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB115-4-cyl0D283222 THRU 0G760299173View
Mercury 2-STROKE-CARB115-4-cyl0G760300 THRU 0T979999173View
Mercury 2-STROKE-CARB115-4-cyl0P017000 THRU 0P325499173View
Mercury 2-STROKE-CARB115-4-cyl0P325500 THRU 0P340986173View
Mercury 2-STROKE-CARB115-4-cyl0T980000 THRU 1B214144173View
Mercury 2-STROKE-CARB115-4-cyl1B000001 THRU 1B358950173View
Mercury 2-STROKE-CARB115-4-cyl9559771 THRU 9793576173View
Mercury 2-STROKE-CARB115-4-cyl9793577 THRU 0P016999173View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 150001 THRU 09785866173View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 350001 THRU 09785866173View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 450001 THRU 09785866173View
Mercury 2-STROKE-CARB50-3-cyl0B122930 THRU 0D000749173View
Mercury 2-STROKE-CARB50-3-cyl0D000750 THRU 0G290584173View
Mercury 2-STROKE-CARB50-3-cyl0G290585 THRU 0G589999173View
Mercury 2-STROKE-CARB50-3-cyl0G590000 THRU 0G760299173View
Mercury 2-STROKE-CARB50-3-cyl0G760300 THRU 0T979999173View
Mercury 2-STROKE-CARB50-3-cyl0P017000 THRU 0P325499173View
Mercury 2-STROKE-CARB50-3-cyl0P325500 UP173View
Mercury 2-STROKE-CARB50-3-cyl1B000001 UP173View
Mercury 2-STROKE-CARB50-3-cyl6428681 THRU 0B122929173View
Mercury 2-STROKE-CARB50-3-cyl7208333 THRU 0A721307173View
Mercury 2-STROKE-CARB50-3-cyl9385911 THRU 9469199173View
Mercury 2-STROKE-CARB50-3-cyl9469200 THRU 9683054173View
Mercury 2-STROKE-CARB50-3-cyl9683055 THRU 9885344173View
Mercury 2-STROKE-CARB50-3-cyl9885345 THRU 9973099173View
Mercury 2-STROKE-CARB50-3-cyl9973100 THRU 0P016999173View
Mercury 2-STROKE-DFI-OPTIMAX135-hp-v6-cyl-2-5l0G590000 THRU 0G760299173View
Mercury 2-STROKE-DFI-OPTIMAX150-hp-v6-cyl-2-5l0G590000 THRU 0G760299173View
Mercury 2-STROKE-DFI-OPTIMAX200-hp-xs-6-cyl-2-5l0T235000 THRU 0T818180173View
Mercury 2-STROKE-DFI-OPTIMAX225-hp-pro-xs-6-cyl-3-0l1B104549 THRU 1B426560173View
Mercury 4-STROKE-EFI115-hp-efi0T178500 THRU 0T800999173View

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Appears in diagrams of these models

  • 115 4 CYL
  • 100 4 CYL
  • 50 3 CYL
  • 140 JET
  • 45 JET
  • 40 (TWIN CARB) (W/OIL INJECTION)