Mercury-Mercruiser 21-42657A3 CHECK VALVE
21-42657A3 CHECK VALVE
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
Availability:
Not in stock - will be transferred from factory
Manufacturer part number:
42657A3
GTIN:
745061148154
Normally Ships:
Warehouse transfer - on 4th business day
Manufacturer:
Mercury Marine
MSRP:
$7.30
$7.12
- 45 JET - 0G290585 THRU 0G589999
- 45 JET - 9885385 THRU 9973099
- 5 (2-STROKE) - 0G710613 THRU 0T894438
- 5 (2-STROKE) - 0P017000 THRU 0P400999
- 50 (3 CYL.) - 0G290585 THRU 0G589999
- 50 (3 CYL.) - 9885345 THRU 9973099
- 50MH - 0N056165 & Up
- 55 (3 CYL.) - 0G290585 THRU 0G589999
- 55 (3 CYL.) - 0G290585 THRU 0G589999
- 55 (3 CYL.) - 9885345 THRU 9973099
- 6 - 0D281000 THRU 0G760299
- 6 - 9792200 THRU 0P016999
- 6 (2 CYL.)(2-STROKE)(International) - 0N027903 THRU 0N055109
- 6 (2 Cyl.)(International) - 0N055110 & Up
- 60 (3 CYL.) - 0G290585 THRU 0G589999
- 60 (3 CYL.) - 9885345 THRU 9973099
- 65 JET - 0D283222 THRU 0G760299
- 65 JET - 0G760300 THRU 0T979999
- 65 JET - 0P017000 THRU 0P325499
- 65 JET - 9793577 THRU 0P016999
- 65 JET (3 CYL.) - 0T980000 THRU 0T999999
- 65 JET (3 CYL.) - 1B000001 & Up
- 75 (3 CYL.) - 0D283222 THRU 0G760299
- 75 (3 CYL.) - 0G760300 THRU 0T979999
- 75 (3 CYL.) - 0P017000 THRU 0P325499
- 75 (3 CYL.) - 0P325500 & Up
- 75 (3 CYL.) - 0T980000 THRU 0T999999
- 75 (3 CYL.) - 1B000000 & Up
- 75 (3 CYL.) - 1B000001 & Up
- 75 (3 CYL.) - 9793577 THRU 0P016999
- 8 - 0D281000 THRU 0G760299
- 8 - 9792200 THRU 0P016999
- 8 (2 CYL.)(2-STROKE)(International) - 0N027903 THRU 0N055109
- 8 (2 Cyl.)(International) - 0N055110 & Up
- 8 SEAPRO (2 CYL.)(International) - 0N055110 & Up
- 80 JET - 0D283222 THRU 0G760299
- 80 JET - 0G760300 THRU 0T979999
- 80 JET - 0P017000 THRU 0P325499
- 80 JET - 9793577 THRU 0P016999
- 80 JET - 0T980000 THRU 0T999999
- 80 JET - 1B000001 & Up
- 9.8 SEAPRO (2 Cyl.)(International) - 0N055110 & Up
- 9.9 - 0D281000 THRU 0G760299
- 9.9 - 9792200 THRU 0P016999
- 9.9 (2 CYL.) (International) - 0N059858 & Up
- 90 (3 CYL.) - 0D283222 THRU 0G760299
- 90 (3 CYL.) - 0G760300 THRU 0T979999
- 90 (3 CYL.) - 0P017000 THRU 0P325499
- 90 (3 CYL.) - 0P325500 & Up
- 90 (3 CYL.) - 0T980000 THRU 0T999999
- 90 (3 CYL.) - 1B000001 & Up
- 90 (3 CYL.) - 9793577 THRU 0P016999
- XR10 - 0D281000 THRU 0G760299
- XR10 - 9792200 THRU 0P016999
- 75 HP (1998) - 0E288000 THRU 0E344999
- 2.5L (EFI)/(EFI-OFFSHORE) - 0G857000 THRU 0T999519
- FORMULA I (2 LITRE EFI) - 0A953232 THRU 0A953245
- MERC/MAR 2.5L (EFI)/(EFI-OFFSHORE) - 0G610239 THRU 0G856999
- S3000 - 0D181027 & Up
- 10 MAGNUM - 0D281000 THRU 0G760299
- 10 MAGNUM - 9792200 THRU 0P016999
- 10 MARATHON - 0D281000 THRU 0G760299
- 10 MARATHON - 9792200 THRU 0P016999
- 10 SEA PRO - 0D281000 THRU 0G760299
- 10 SEA PRO - 9792200 THRU 0P016999
- 100 (4 CYL.) - 0D283222 THRU 0G760299
- 100 (4 CYL.) - 0G760300 THRU 0G965520
- 100 (4 CYL.) - 0P017000 THRU 0P058999
- 100 (4 CYL.) - 9793577 THRU 0P016999
- 115 (4 CYL.) - 0D283222 THRU 0G760299
- 115 (4 CYL.) - 0G760300 THRU 0T979999
- 115 (4 CYL.) - 0P017000 THRU 0P325499
- 115 (4 CYL.) - 9793577 THRU 0P016999
- 115 (4 CYL.) - 0P325500 & Up
- 115 (4 CYL.) - 0T980000 THRU 0T999999
- 115 (4 CYL.) - 1B000001 & Up
- 125 (4 CYL.) - 0D283222 THRU 0G760299
- 125 (4 CYL.) - 0G760300 THRU 0T979999
- 125 (4 CYL.) - 0P017000 THRU 0P325499
- 125 (4 CYL.) - 9793577 THRU 0P016999
- 125 (4 CYL.) - 0P325500 & Up
- 125 (4 CYL.) - 0T980000 THRU 0T999999
- 125 (4 CYL.) - 1B000001 & Up
- 15 - 0D281000 THRU 0G760299
- 15 - 9792200 THRU 0P016999
- 15 (2 CYL.) (International) - 0N055285 & Up
- 15 MARATHON - 0G438000 THRU 0G760299
- 15 MARATHON - 9927000 THRU 0P016999
- 15 SEA PRO - 0G438000 THRU 0G760299
- 15 SEA PRO - 9927000 THRU 0P016999
- 18 (2 CYL.) (International) - 0N055285 & Up
- 200 (DFI) - 0G386496 THRU 0G589999
- 225 (3.0L CARB) - 0D280813 THRU 0G760299
- 225 (3.0L EFI) - 0G129222 THRU 0G760299
- 225 MARATHON (3.0L CARB) - 0G245605 THRU 0G760299
- 225 SEAPRO (3.0L CARB) - 0G245605 THRU 0G760299
- 25 (2 CYL.)(2-STROKE)(International) - 0N055505 & Up
- 25 Jet (2 CYL.)(2-STROKE)(International) - 0N088578 & Up
- 250 (3.0L EFI) - 0G129222 THRU 0G760299
- 30 (2 CYL.) - 0G760300 THRU 0T979999
- 30 (2 CYL.) - 0P017000 THRU 0P325499
- 30 (2 CYL.) - 0P325500 & Up
- 30 (2 CYL.) - 0T980000 THRU 0T999999
- 30 (2 CYL.) - 1B000001 & Up
- 30 (2 CYL.) - 0G055314 THRU 0G760299
- 30 (2 CYL.) - 9854537 THRU 0P016999
- 30 (2 CYL.)(2-STROKE)(International) - 0N055505 & Up
- 4 (2-STROKE) - 0G710613 THRU 0T894438
- 4 (2-STROKE) - 0P017000 THRU 0P400999
- 4/5 - 0A855097 THRU 0G710612
- 4/5 - 9589154 THRU 0P016999
- 40 (2 CYL.) - 0G760300 THRU 0T979999
- 40 (2 CYL.) - 0P017000 THRU 0P325499
- 40 (2 CYL.) - 0P325500 & Up
- 40 (2 CYL.) - 0T980000 THRU 0T999999
- 40 (2 CYL.) - 1B000001 & Up
- 40 (2 CYL.) - 0G055314 THRU 0G760299
- 40 (2 CYL.) - 9854537 THRU 0P016999
- 40 (International) - 0N056165 & Up
- 40 LIGHTNING XR (International) - 0N056165 & Up
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