20 Best Mercruiser 4.3 Engine Rebuild Kit in 2024 Reviews and Buying Guide

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1 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
2 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 No ratings yet
3 Marine Engine Rebuild Kit compatible with 1987-93 Mecruiser GM 262 4.3L V6 175 185 1-PC seal &... Marine Engine Rebuild Kit compatible with 1987-93 Mecruiser GM 262 4.3L V6 175 185 1-PC seal &... No ratings yet
4 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 No ratings yet
5 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...
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 No ratings yet
7 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... No ratings yet
8 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
9 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
10 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
11 Mercruiser Thunderbolt 4.3 L V6 DISTRIBUTOR CAP ROTOR SPARK PLUG WIRES KIT SET WITH MR43T PLUGS Mercruiser Thunderbolt 4.3 L V6 DISTRIBUTOR CAP ROTOR SPARK PLUG WIRES KIT SET WITH MR43T PLUGS No ratings yet
12 Boise Boat Works Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I... Boise Boat Works Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt... No ratings yet
13 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
14 Mercruiser Engine Oil Change and Sterndrive Gear Lube Maintenance Kit Mercruiser Engine Oil Change and Sterndrive Gear Lube Maintenance Kit No ratings yet
15 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
16 GHmarine 18-3150 Water Pump Impeller Kit with Plastic Housing Body for MerCruiser Alpha Bravo I II... GHmarine 18-3150 Water Pump Impeller Kit with Plastic Housing Body for MerCruiser Alpha Bravo I... No ratings yet
17 Master Engine Rebuild Kit compatible with Mercruiser Chevy 3.0 181 Marine 140hp Flat Top Pistons.... Master Engine Rebuild Kit compatible with Mercruiser Chevy 3.0 181 Marine 140hp Flat Top Pistons.... No ratings yet
18 iFJF Carburetor Rebuild Kit Replacement for Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 BBL... iFJF Carburetor Rebuild Kit Replacement for Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 BBL...
19 Carbbia 807252Q5 Thermostat Kit 160° with Plastic Sleeve Compatible with Mercruiser 4.3L 5.0L 5.7L... Carbbia 807252Q5 Thermostat Kit 160° with Plastic Sleeve Compatible with Mercruiser 4.3L 5.0L... No ratings yet
20 DNJ RRK3129 Engine Re-Ring Kit for 1996-2006 / Chevrolet/Astro / 4.3L / OHV / V6 / Cu.262 / Vin W, X DNJ RRK3129 Engine Re-Ring Kit for 1996-2006 / Chevrolet/Astro / 4.3L / OHV / V6 / Cu.262 / Vin W, X No ratings yet

Bestseller No. 1
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. 2
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. 3
Marine Engine Rebuild Kit compatible with 1987-93 Mecruiser GM 262 4.3L V6 175 185 1-PC seal &...
  • For 1 Piece rear main seal and factory roller camshaft & with out balance shafts
  • compatible replacements with 1987-93 Chevrolet Mercruiser 262 4.3L 175 185 V-6
Bestseller No. 4
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. 5
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. 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
5.0L, 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. 8
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. 9
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. 10
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. 11
Mercruiser Thunderbolt 4.3 L V6 DISTRIBUTOR CAP ROTOR SPARK PLUG WIRES KIT SET WITH MR43T PLUGS
  • New distributor cap, rotor, spark plug wires and six AC Delco MR43T spark plugs for Mercruiser V6 engines with Thunderbolt ignition 1996 and older...
  • Fits 4.3 L V6 engines with Thunderbolt ignition system. Check MR43T are the correct spark plugs for your engine before ordering.
  • 8mm plug wires
  • Distributor cap is J1171 certified and has quality copper contacts. Includes new bolts, gasket, and drain for cap. Dialectic grease included for...
  • Replaces Mercruiser #'s 84-816761Q16, 815407Q5
Bestseller No. 12
Boise Boat Works Distributor Cap and Rotor Tune up Kit for Mercruiser 4.3 Engines with Thunderbolt I...
  • New Distributor cap and rotor kit for Mercruiser V6 engines with Thunderbolt I and IV Ignition systems
  • Replaces Part #: 815407Q5, 815407A2, 18-5274, 9-29317
  • Fits: All GM 4.3L V6 engines with Thunderbolt Ignition from 1985 and Up
  • Includes: Cap with brass terminals, Rotor, Gasket, Bolts
Bestseller No. 13
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. 14
Mercruiser Engine Oil Change and Sterndrive Gear Lube Maintenance Kit
  • Fits all Mercruiser sterndrive GM engines (except 4.3L V6 without remote oil filter)
  • Includes Water Separating Fuel Filter 35-802893T & Oil Filter 35-866340K01
  • Includes 2-4-C Marine Grease 92-802859A1
  • Includes SAE 25W-40 Marine Engine Oil 92-8M0078628 and 92-8M0078627
  • Includes 2 Quarts High Performance Gear Lube 92-858064K01 with Washers and Gear Lube Fill Pump
Bestseller No. 15
Cylinman Carburetor Repair Rebuild Kit Fit for Mercruiser Mercury Marine 3.0L 4.3L 5.0L 5.7L Boat...
  • Replace for 3302-804844002, 3310-861448A, 3310-864940A0, 3310-864941A0, 3310-864942A0, 3310-864943A0
  • Replace for 3310-866140A02, 3310-866141A02, 3310-866142A03
  • 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
  • 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 emails...
Bestseller No. 16
GHmarine 18-3150 Water Pump Impeller Kit with Plastic Housing Body for MerCruiser Alpha Bravo I II...
  • The Sea Water Pump Impeller kit Compatible with Mercury Mariner MerCruiser Bravo 1 2 3 Boat Engine Models
  • Compatible with MerCruiser Bravo and TRS Sterndrives and for Inboard Marine Engines with One Piece Housing
  • Fits MerCruiser Stern Drive 4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 8.2L Inboard Engine Models
  • Compatible with MerCruiser 46-807151A14, 46-807151A7, Sierra 18-3150, GLM 12088, Mallory 9-48350, Quicksilver 807151A14 46-807151A7
  • Replaces the Old Broken Pumps,Help to Make the Water Pump Work Again and Keep the Engine Cool
Bestseller No. 18
iFJF Carburetor Rebuild Kit Replacement for Mercury Marine 3.0L 4.3L 5.0L 5.7L Mercarb 2 BBL...
  • This kit works on all mercarb 2 BBL carburetor.
  • The Kit Replacement for Mercury Marine 3.0L 4.3L 5.0L 5.7L
  • The Kit Replacement for Mercury Marine 3302-804844002
  • The Kit Replacement for Mercury Marine...
  • It does come with everything as shown in the picture
Bestseller No. 19
Carbbia 807252Q5 Thermostat Kit 160° with Plastic Sleeve Compatible with Mercruiser 4.3L 5.0L 5.7L...
  • Thermostat kit Compatible with1987-up GM engines with 160 degree thermostat and standard cooling. Compatible with Mercruiser V6 & V8 4.3L, 5.0L, 5.7L,...
  • Compatible with GLM Part Number: 13101.
  • Compatible with Merc Part Number: 807252Q5.
  • Compatible with Sierra Part Number: 18-3647 (no plastic sleeve).
Bestseller No. 20
DNJ RRK3129 Engine Re-Ring Kit for 1996-2006 / Chevrolet/Astro / 4.3L / OHV / V6 / Cu.262 / Vin W, X
  • FITS: 96-06 Chevrolet / Astro , 4.3L V6 OHV Naturally Aspirated
  • FITMENT NOTES: 1.5x1.5x3.0
  • You are assured to receive a worldwide proven Engine Re-Ring Kit quality part with OE quality fit and performance.
  • IMPORTANT: This Engine Re-Ring Kit is Standard size in all its components, if you need oversized Piston Rings, Rod Bearings or Main Bearings, send us...
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