Mercury outboard spare part 83870M (SCREW). Supplied by Dimo Marine for wholesale and export — genuine and quality aftermarket options available.

Fits 40 (TWIN CARB) (W/OIL INJECTION), 30A, 60 2 CYL, 25C (THRU PROP. EXHAUST), 40B (THRU PROP. EXHAUST), 40C (TWIN CARB) (W/AUTO-BLEND), 40C (TWIN CARB), 25 K, 30 2 CYL (International), 35 2 CYL, 75 3 CYL, 40 LIGHTNING XR (International), 2B HP. Select a model tag above to open the exploded diagram and confirm the position.

Part Specifications and Installation Reference

Mercury outboard part 83870M (SCREW), documented in 50 exploded diagram location(s), across the 2-STROKE-CARB, 4-STROKE-EFI series.

SeriesModelSerial rangeREFQtyDiagram
Mercury 2-STROKE-CARB25-k62CK 200454 THRU 00313272124View
Mercury 2-STROKE-CARB25-kARCHIVE CAT 82711594124View
Mercury 2-STROKE-CARB25-kARCHIVE CAT 97032124View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 000101 THRU 023895124View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 250101 THRU 253861124View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 300101 THRU 318173124View
Mercury 2-STROKE-CARB25c-thru-prop-exhaust695 550101 THRU 555959124View
Mercury 2-STROKE-CARB25c-thru-prop-exhaustARCHIVE CAT 12536124View
Mercury 2-STROKE-CARB2b-hp6A1 000101 THRU 0D918221251View
Mercury 2-STROKE-CARB30-2-cyl-international0N001875 THRU 0N055504124View
Mercury 2-STROKE-CARB30-2-cyl-international0N055505 UP124View
Mercury 2-STROKE-CARB30-2-cyl-internationalARCHIVE CAT 85383397124View
Mercury 2-STROKE-CARB30a689 000366 THRU 022058124View
Mercury 2-STROKE-CARB30a689 022059 THRU 689 230100 M124View
Mercury 2-STROKE-CARB30a689 100251 THRU 105324124View
Mercury 2-STROKE-CARB30a689 105325 THRU 689 530100 ML124View
Mercury 2-STROKE-CARB30a689 301911 THRU 321376124View
Mercury 2-STROKE-CARB30a689 321377 THRU 689 250100 E124View
Mercury 2-STROKE-CARB30a689 401216 THRU 411946124View
Mercury 2-STROKE-CARB30a689 411947 THRU 689 550100 EL124View
Mercury 2-STROKE-CARB35-2-cyl209608 THRU 0B110788124View
Mercury 2-STROKE-CARB35-2-cyl6445653 THRU 0B110788124View
Mercury 2-STROKE-CARB35-2-cyl9384476 THRU 0B110788124View
Mercury 2-STROKE-CARB40-lightning-xr-international0N000513 THRU 0N056164124View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 015001 THRU 0978586612, 94, 2, 1View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 150001 THRU 0978586612, 94, 2, 1View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 350001 THRU 0978586612, 94, 2, 1View
Mercury 2-STROKE-CARB40-twin-carb-w-oil-injection6E9 450001 THRU 0978586612, 94, 2, 1View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustARCHIVE CAT 94535722View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustE 676 B100461 THRU B102785722View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustEL 676 B400420 THRU B405250722View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustM 676 B000106 THRU B002780722View
Mercury 2-STROKE-CARB40b-thru-prop-exhaustML 676 B300101 THRU B302425722View
Mercury 2-STROKE-CARB40c-twin-carb6E9 000106 THRU 6E9 007665 M702View
Mercury 2-STROKE-CARB40c-twin-carb6E9 100101 THRU 6E9 105013 E702View
Mercury 2-STROKE-CARB40c-twin-carb6E9 300126 THRU 6E9 309343 ML702View
Mercury 2-STROKE-CARB40c-twin-carb6E9 400231 THRU 6E9 423162 EL702View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 007666 THRU 6E9 01500067, 702View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 105014 THRU 6E9 150000672View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 309344 THRU 350000672View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 423163 THRU 450000672View
Mercury 2-STROKE-CARB40c-twin-carb-w-auto-blend6E9 500101 THRU 00503940672View
Mercury 2-STROKE-CARB60-2-cylARCHIVE CAT 92660722View
Mercury 2-STROKE-CARB60-2-cylARCHIVE CAT 97669722View
Mercury 2-STROKE-CARB60-2-cylE 675 00101 THRU E 675 00117023, 722View
Mercury 2-STROKE-CARB60-2-cylEL 675 30101 THRU EL 675 30418023, 722View
Mercury 2-STROKE-CARB80-3-cyl0A996142 THRU 0B240450114View
Mercury 2-STROKE-CARBw40-w-marathon6F6 005206 THRU 00365385702View
Mercury 2-STROKE-CARBw40-w-marathon6F6 308308 THRU 00365385702View
Mercury 4-STROKE-EFI225-hp-efi0T653945 UP42View

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Appears in diagrams of these models

  • 40 (TWIN CARB) (W/OIL INJECTION)
  • 30A
  • 60 2 CYL
  • 25C (THRU PROP. EXHAUST)
  • 40B (THRU PROP. EXHAUST)
  • 40C (TWIN CARB) (W/AUTO-BLEND)
  • 40C (TWIN CARB)
  • 25 K
  • 30 2 CYL (International)
  • 35 2 CYL
  • 75 3 CYL
  • 40 LIGHTNING XR (International)
  • 2B HP