Mercruiser 4.3 Engine Rebuild Kit

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In order to provide you with accurate and valuable pieces of information and reviews, we have conducted in-depth research for the best mercruiser 4.3 engine rebuild kit of 2024. In addition, you will find our top picks and highest-reviewed products in the section below.
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1 Engine Rebuild Overhaul Kit FITS: 1987-1993 Chevrolet GMC 262 4.3L V6 Vin Z Engine Rebuild Overhaul Kit FITS: 1987-1993 Chevrolet GMC 262 4.3L V6 Vin Z
2 RPS MERCRUISER Water Pump Rebuild KIT Impeller Cover O-Ring 496 8.2L 5.7 5.0 4.3 350 RPS MERCRUISER Water Pump Rebuild KIT Impeller Cover O-Ring 496 8.2L 5.7 5.0 4.3 350
3 Engine Rebuild Kit compatible with Mercruiser Marine 140hp Chevy 3.0L, For engines with 1 piece rear... Engine Rebuild Kit compatible with Mercruiser Marine 140hp Chevy 3.0L, For engines with 1 piece... No ratings yet
4 4.3L, 262 Vortec Marine Engine Rebuild Kit. Replacement for Mercruiser, Volvo Penta, Indmar, Marine... 4.3L, 262 Vortec Marine Engine Rebuild Kit. Replacement for Mercruiser, Volvo Penta, Indmar,... No ratings yet
5 MerCruiser V6 4.3 4.3L Delco Tune Up Kit Spark Plugs Wires Filters Cap Rotor 1996 and Older MerCruiser V6 4.3 4.3L Delco Tune Up Kit Spark Plugs Wires Filters Cap Rotor 1996 and Older No ratings yet
6 Mercruiser Carburetor Repair Rebuild Kit 3.0L 4.3L 5.0L 5.7L Mercury Marine Mercruiser Carburetor Repair Rebuild Kit 3.0L 4.3L 5.0L 5.7L Mercury Marine
7 5.7L, 350 Vortec Marine Engine Rebuild Kit. For Mercruiser, Volvo Penta, Indmar, Marine Power, GM... 5.7L, 350 Vortec Marine Engine Rebuild Kit. For Mercruiser, Volvo Penta, Indmar, Marine Power, GM... No ratings yet
8 Carburetor Repair Rebuild Kit For Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 Barrel... Carburetor Repair Rebuild Kit For Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 Barrel... No ratings yet
9 Chevy Mercruiser 3.0 181 Marine 140hp Engine Kit with Flat Top Pistons+Rings+gaskets, for Engines... Chevy Mercruiser 3.0 181 Marine 140hp Engine Kit with Flat Top Pistons+Rings+gaskets, for Engines... No ratings yet
10 MARKGOO 3302-804844002 Carburetor Rebuild Kit Replacement for Mercruiser 3.0L 4.3L 5.0L 5.7L &... MARKGOO 3302-804844002 Carburetor Rebuild Kit Replacement for Mercruiser 3.0L 4.3L 5.0L 5.7L &... No ratings yet
11 Carburetor Repair Rebuild Kit Compatible with Mercruiser 3.0L 4.3L 5.0L 5.7L Carburetor Repair Rebuild Kit Compatible with Mercruiser 3.0L 4.3L 5.0L 5.7L No ratings yet
12 UanofCn 807252Q5 Thermostat Kit for Mercruiser V6&V8 GM Engines 4.3L 5.0L 5.7L 7.4L 8.2L 1987-2016... UanofCn 807252Q5 Thermostat Kit for Mercruiser V6&V8 GM Engines 4.3L 5.0L 5.7L 7.4L 8.2L...
13 RPS 4.3L V6 One-Piece Exhaust Manifold Conversion kit to two-piece set compatible with Mercruiser... RPS 4.3L V6 One-Piece Exhaust Manifold Conversion kit to two-piece set compatible with Mercruiser...
14 YBATUWU Complete Carburetor Kit for Mercruiser Marine 2 Barrel 3.0L 4.3L 5.0L 5.7L with FLOAT... YBATUWU Complete Carburetor Kit for Mercruiser Marine 2 Barrel 3.0L 4.3L 5.0L 5.7L with FLOAT... No ratings yet
15 5.0L, 305 Vortec Marine Engine Rebuild Kit. For Mercruiser, Volvo Penta, Indmar, Marine Power, GM... 5.0L, 305 Vortec Marine Engine Rebuild Kit. For Mercruiser, Volvo Penta, Indmar, Marine Power, GM...
16 Carburetor Repair Rebuild Kit 2 Barrel 3.0L 4.3L 5.0L 5.7L GM Mercruiser Mercury Marine Boat Parts Carburetor Repair Rebuild Kit 2 Barrel 3.0L 4.3L 5.0L 5.7L GM Mercruiser Mercury Marine Boat Parts No ratings yet
17 GHmarine 18-3647 Thermostat Repair Service Kit for Mercruiser 4.3L 5.0L 5.7L 7.4L 8.2L SternDrive... GHmarine 18-3647 Thermostat Repair Service Kit for Mercruiser 4.3L 5.0L 5.7L 7.4L 8.2L SternDrive... No ratings yet
18 Cylinman Carburetor Repair Rebuild Kit Fit for Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Boat... Cylinman Carburetor Repair Rebuild Kit Fit for Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Boat... No ratings yet
19 GHmarine 94996Q2 Outdrive Mounting Gasket Set Replaces MerCruiser R MR and Alpha Gen I and II Drives... GHmarine 94996Q2 Outdrive Mounting Gasket Set Replaces MerCruiser R MR and Alpha Gen I and II... No ratings yet
20 Canyoyi Carburetor Carb Repair Rebuild Kit for OMC and Volvo Penta Holly 3.0 4.3 5.0 5.7 23-128 Canyoyi Carburetor Carb Repair Rebuild Kit for OMC and Volvo Penta Holly 3.0 4.3 5.0 5.7 23-128 No ratings yet

Bestseller No. 1
Engine Rebuild Overhaul Kit FITS: 1987-1993 Chevrolet GMC 262 4.3L V6 Vin Z
  • This rebuild kit kit has all the parts you need to freshen up that worn engine. These parts are manufactured directly from only high quality companies...
  • This rebuild kit will include: Full Gasket Set, Dish-Top Pistons, Premium Piston Rings, Main/Rod Bearings, Camshaft Bearings, 3pc Timing Set, Oil...
  • SIZES AVAILABLE: Pistons & Rings:STD, 020, 030, 040, 060 --- Rod/Main Bearings:STD, 010, 020, 030, 040
  • AFTER YOU ORDER YOU NEED TO SEND US A MESSAGE LETTING US KNOW WHAT SIZE OF PARTS YOU WANT. THANKS!
  • The pictures are accurate and show you the actual parts that you will be buying. Because of limits, sometimes not all the parts are pictured, but we...
Bestseller No. 2
RPS MERCRUISER Water Pump Rebuild KIT Impeller Cover O-Ring 496 8.2L 5.7 5.0 4.3 350
  • Mercruiser Water Pump Rebuild Kit. Does not fit pumps with sensor.
  • Includes: Rear Cover with stainless steal plate Wear Plates Impeller O-Ring
  • Replaces Mercruiser Part Numbers: 862776A01 47-8M0104229 8M2014176 25-841807 25-8M2021987
Bestseller No. 3
Engine Rebuild Kit compatible with Mercruiser Marine 140hp Chevy 3.0L, For engines with 1 piece rear...
  • Replacements for Mercruiser 140 Chevy 3.0 3.0L
  • These engines are commonly referred to as a 140HP.
  • Over sizes available. Please message us to verify availability before ordering.
Bestseller No. 4
4.3L, 262 Vortec Marine Engine Rebuild Kit. Replacement for Mercruiser, Volvo Penta, Indmar, Marine...
  • 4.3L Vortec marine engine rebuild Kit. For 1997-2001 year engines.
  • For Mercruiser, Volvo Penta, GM Marine, Indmar and Marine Power engines.
  • Various piston & bearing sizes specific to your build.
  • Marine grade components!
Bestseller No. 5
MerCruiser V6 4.3 4.3L Delco Tune Up Kit Spark Plugs Wires Filters Cap Rotor 1996 and Older
  • Tune up kit for Mercruiser 4.3L with Delco EST ignition systems, 1996 and older engines.
  • Everything needed for a tune-up in one convenient kit
  • Includes: 6 AC Delco MR43T spark plugs (same as NGK BR6FS) Spark plug wires Spin on fuel filter / water separator Engine mounted oil filter (does not...
  • Quality brass terminals
Bestseller No. 6
Mercruiser Carburetor Repair Rebuild Kit 3.0L 4.3L 5.0L 5.7L Mercury Marine
  • Float Needle is currently not included*
  • Check Description for Application Chart
  • Comes with Everything You See in the Pictures
Bestseller No. 7
5.7L, 350 Vortec Marine Engine Rebuild Kit. For Mercruiser, Volvo Penta, Indmar, Marine Power, GM...
  • 5.7L Vortec marine engine rebuild Kit.
  • For Mercruiser, Volvo Penta, GM Marine, Indmar and Marine Power engines.
  • Various piston & bearing sizes specific to your build.
  • Marine grade components!
Bestseller No. 8
Carburetor Repair Rebuild Kit For Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 Barrel...
  • Fit for Mercury Marine 2.5L 3.0L 4.3L 5.0L 5.7L Carburetor
  • Fit for Mercruiser Marine 2-Barrel FULL Replace(With float)
  • Carburetor Rebuild kit For Rochester 1389-9562A1 1389-9563A1 1389-9564A1 1389-9670A2 1389-815396A2 1389-815397A2 3310-864943A01 3310-866140A02...
  • Made of superior quality raw material, stable characteristics and high reliability.
  • Included item are detailed in the product pictures
Bestseller No. 9
Chevy Mercruiser 3.0 181 Marine 140hp Engine Kit with Flat Top Pistons+Rings+gaskets, for Engines...
  • NEED TO KNOW IF ROD BEARINGS ARE .842" Wide OR .713" WIDE.
  • Kit for Mercruiserr Marine 3.0L with a 1-piece rear seal & with upgraded Flat top pistons.
  • Over sizes available. Please verify availbility before ordering.
Bestseller No. 10
MARKGOO 3302-804844002 Carburetor Rebuild Kit Replacement for Mercruiser 3.0L 4.3L 5.0L 5.7L &...
  • The Complete Carburetor Kit for Mercruiser Marine 2-Barrel with float 3.0L 4.3L 5.0L 5.7L 2 BBL MerCarb, Professional installation is recommended.
  • Replacement for Mercruiser Carburetor 1389-9562A1,3304-9565A7, 3310-861448A1, 1389-9563A1, 3310-805924A2, 3310-864940A01, 1389-9564A1, 3310-806077A2,...
  • Kit includes: Alcohol resistant accelerator pump with an elbow on the top of the shaft Alcohol resistant nitrophyl float gasket sets and other items...
  • Fits all mercarb 2 BBL carburetor from mid 80's to present 90 degree bend on top of the accelerator plunger. More detailed information please see...
  • VERY IMPORTANT- Same horsepower and year, different model, It may have a totally difference. Please check your outboard model, serial number and year...
SaleBestseller No. 11
Carburetor Repair Rebuild Kit Compatible with Mercruiser 3.0L 4.3L 5.0L 5.7L
  • Fully upgraded carburetor repair kit --- If you have any questions, please contact us in time
  • Brand New Aftermarket Replacement Carburetor Repair Rebuild Kit
  • Fitment: Carburetor repair kit fits for Mercruiser 3.0L 4.3L 5.0L 5.7L , please see descriptions for detail application.
  • Each kit contains all necessary parts as picture shows to rebuild your old OEM carburetor
  • We use top quality material, pure brass jet needles, accurate maching, high quality rubber gasket
SaleBestseller No. 12
UanofCn 807252Q5 Thermostat Kit for Mercruiser V6&V8 GM Engines 4.3L 5.0L 5.7L 7.4L 8.2L 1987-2016...
  • 160° Thermostat kit with plastic sleeve for Mercruiser GM engines with standard cooling.
  • Fit: 1987-2016 MerCruiser V-6 & V-8 GM inboard/outdrive engines, 4.3L, 5.0L, 5.7L, 7.4L,8.2L
  • Replaces Part Numbers: Mercruiser Stern Drive 807252Q5 807252T8, Sierra 18-3647, GLM 13101, Mallory 9-43157
  • Package Included:1 x Thermostat Housing Sleeve 23-806922, 1 x Thermostat Gasket 27-48818-1, 1 x Gasket 27-33179-2, 1 x Gasket 27-47510, 1 x Gasket...
  • Please check your outboard model, serial number and year carefully before you purchase. If you are not sure, you can contact to us, we are pleasure to...
Bestseller No. 13
RPS 4.3L V6 One-Piece Exhaust Manifold Conversion kit to two-piece set compatible with Mercruiser...
  • Kit to convert Mercruiser obsolete one-piece manifolds to common two piece manifolds for 4.3 V6 engines
  • Conversion kit for no-longer-available Mercruiser one-piece exhaust manifolds
  • Kit includes Two manifolds (left and right are the same) Two risers (left and right are the same) Two aluminum elbows Two upper rubber couplers Two...
Bestseller No. 14
YBATUWU Complete Carburetor Kit for Mercruiser Marine 2 Barrel 3.0L 4.3L 5.0L 5.7L with FLOAT...
  • Complete Carburetor Kit for Mercruiser Marine 2-Barrel with float
  • FULL Replace
  • Fits for Mercruiser Marine 3.0L, 4.3L, 5.0L, 5.7L
  • Fit for MERCURY MARINE 1389-9562A1 1389-9563A1 1389-9564A1 1389-9670A2 1389-815396A2 1389-815397A2 3304-9565A1 3310-806077A2 3310-806080A2...
  • All parts as picture shows
Bestseller No. 15
5.0L, 305 Vortec Marine Engine Rebuild Kit. For Mercruiser, Volvo Penta, Indmar, Marine Power, GM...
  • 5.0L Vortec marine engine rebuild Kit.
  • For Mercruiser, Volvo Penta, GM Marine, Indmar and Marine Power engines.
  • Various piston & bearing sizes specific to your build.
  • Marine grade components!
Bestseller No. 16
Carburetor Repair Rebuild Kit 2 Barrel 3.0L 4.3L 5.0L 5.7L GM Mercruiser Mercury Marine Boat Parts
  • Replace for: This Carburetor Rebuild Kit fit for Mercury Marine GM 2.5L 3.0L 4.3L 5.0L 5.7L Carburetor
  • This Carburetor Rebuild Kit works on all mercarb 2 BBL carburetor
  • Replace Part Number: 3302-804844002, 3310-861448A, 3310-864940A0, 3310-864941A0, 3310-864942A0, 3310-864943A0, 3310-866140A02, 3310-866141A02,...
  • Brand New and High Quality Product, Meet the professtional specification for stable performance and durable. Direct replacement for a proper fit and...
  • Package Included: Comes with everything you see in the pics, Save money and do the job yourself!
Bestseller No. 17
GHmarine 18-3647 Thermostat Repair Service Kit for Mercruiser 4.3L 5.0L 5.7L 7.4L 8.2L SternDrive...
  • This is thermostat kit for Mercruiser Sterndrive Engines
  • Temperature Rating: 160°F
  • Fits Mercruiser 4.3-8.2L Sterndrive Models
  • Replaces Mercruiser 807252Q5, 807252T8, 8052732, 8072522, 807252T2, 8M0091470, 8M0109441, GLM 13101, Mallory 9-43157 and Sierra 18-3647
  • Package contains: 1* thermostat, 1* o-ring, 1* housing sleeve and 4* thermostat gaskets
Bestseller No. 18
Cylinman Carburetor Repair Rebuild Kit Fit for Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Boat...
  • 【Replacement Part Number】:3302-804844002, 3310-861448A, 3310-864940A0, 3310-864941A0, 3310-864942A0, 3310-864943A0, 3310-866140A02,...
  • 【Fitment】:Fit for Mercury Marine GM 2.5L 3.0L 4.3L 5.0L 5.7L Carburetor
  • 【Package Includes】:1 x Repair Rebuild Kit (As Pictured)
  • 【Quality】:High quality and brand new products, stable performance and durable.
  • 【Notes】:Please make sure the product are the same with what you want before purchasing.If you are unsure of the item, please contact us and all...
Bestseller No. 19
GHmarine 94996Q2 Outdrive Mounting Gasket Set Replaces MerCruiser R MR and Alpha Gen I and II Drives...
  • Complete six-piece installation gasket kit for MerCruiser Drives
  • Fits MerCruiser R, MR, Alpha One and Gen II drives (serial numbers 6225577 and higher) 1983 and up
  • After market Ref: MerCruiser 94996Q2 27-94996Q2, EMP 27-02386, Sierra 18-2619 18-2619-1, GLM 39622, Mallory 9-62601
  • Package contains: 18-2743 Outdrive Mounting Gasket, 18-2840 Bell Housing Gasket, 18-7117 O-Ring, 18-7153 O-Ring, 18-7170 O-Ring
  • Guaranteed Timeliness & Easy Installation, Gasket Kit meets OEM Quality
Bestseller No. 20
Canyoyi Carburetor Carb Repair Rebuild Kit for OMC and Volvo Penta Holly 3.0 4.3 5.0 5.7 23-128
  • Package including :1 * Carb Repair Rebuild Kit
  • Fits OMC and Volvo Penta marine Engines.
  • Fits all Engines that used a 2bbl carb.
  • Fits Volvo Penta Holly 3.0 4.3 5.0 5.7
  • Important Note It is aftermarket replacement part. Check pictures and size with your own original part carefully before you buy it.

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Value of the product

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Customer reviews

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Customer ratings


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Reliability

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FAQ:

Q: What was the 1st 6 cylinder Sterndrive engine offered by MerCruiser?

A: The 4.3L V6 Engine was not the 1st 6 cylinder Sterndrive engine offered by MerCruiser. The Inline 6 cylinder engines date back to the 1963 with the 194 model. During the 1970’s MerCruiser offered the 225 Cu-In inline 6 cylinder engine which many engine parts are still available today…

Q: What kind of engine does a Mercruiser have?

A: By far the most popular engine today in the 6 cylinder engine family is the MerCruiser 4.3 which is offered only within the Sterndrive Engine model family. The original 4.3L Engine Model was released around 1985 as a non-balanced-shaft engine in the carbureted engine model family.

Q: How much does a marine master engine rebuild kit cost?

A: The part number and price for the marine master engine rebuild kit is CH350MMK $688.58 (1986 1-piece rear seal or 1967-85 2-piece rear seal) plus $15.00 shipping. Fel Pro marine gasket set (need to know if 2-piece rear seal or 1-piece rear seal), camshaft*, lifters, timing set, and oil pump.

Q: How much does a 1964-68 V8 rebuild kit cost?

A: The part number and price for the balance shaft gears is 2555S $89.98 85.71 85.71. The part number and price for the head bolts is 38-125 $28.36 set. 1964-68 V-8 – Marine master engine rebuild kit F289MK.M $743.99 1964-68 V-8 – Marine engine rebuild kit F289EK.M $581.67 Need to know if the engine has a plastic timing cover or metal.