SKU: 84124121302

Fuel Injector – Fits Mercury 4.5L & 6.2L MPI (Replaces 8M0057686, 8M6000652, 8M6002428)

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Description

Fuel Injector – Fits Mercury 4.5L & 6.2L MPI (Replaces 8M0057686, 8M6000652, 8M6002428)Fuel Injector Fits Mercury 4. 5L & 6. 2L MPI (Replaces 8M6002428) This is a direct replacement fuel injector for Mercury MerCruiser 4. 5L (200 250 HP) and 6. 2L (300 350 HP) MPI sterndrive engines, series 2A441953 & Up and 2A456613 & Up respectively. It is also compatible with select Mercury 4 Stroke EFI outboards from 65 to 115 HP (serial 2B095049 & Up). This component directly replaces Mercury part numbers 8M0057686, 8M6000652, and 8M6002428, along

Fuel Injector – Fits Mercury 4.5L & 6.2L MPI (Replaces 8M6002428)

This is a direct replacement fuel injector for Mercury MerCruiser 4.5L (200-250 HP) and 6.2L (300-350 HP) MPI sterndrive engines, series 2A441953 & Up and 2A456613 & Up respectively. It is also compatible with select Mercury 4-Stroke EFI outboards from 65 to 115 HP (serial 2B095049 & Up).

This component directly replaces Mercury part numbers 8M0057686, 8M6000652, and 8M6002428, along with Quicksilver part number 8M6002428. Constructed with a corrosion-resistant metal housing and precision-machined internal components, it features an 8-hole nozzle designed for efficient fuel atomization.

  • Installation: Direct bolt-on replacement for specified models.
  • Fuel Compatibility: Designed for gasoline, including ethanol blends.
  • In the Box: Includes one fuel injector and a new seal kit.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across brands.

Brand Part Number
Mercury 8M0057686
Mercury 8M6000652
Mercury 8M6002428
Quicksilver 8M6002428

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Mercury Marine

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury 4.5L MPI 200 Alpha/Bravo 200 4-Stroke 2A441953 & Up 8M6002428 Current active part
Mercury 4.5L MPI 200 Alpha/Bravo EC 200 4-Stroke 2A441953 & Up 8M6002428 Current active part
Mercury 4.5L MPI 250 Alpha/Bravo 250 4-Stroke 2A441953 & Up 8M6002428 Current active part
Mercury 4.5L MPI 250 Alpha/Bravo EC 250 4-Stroke 2A441953 & Up 8M6002428 Current active part
Mercury 6.2L MPI 300 300 4-Stroke 2A456613 & Up 8M6002428 Current active part
Mercury 6.2L MPI 300 EC 300 4-Stroke 2A456613 & Up 8M6002428 Current active part
Mercury 6.2L MPI 350 350 4-Stroke 2A456613 & Up 8M6002428 Current active part
Mercury 6.2L MPI 350 EC 350 4-Stroke 2A456613 & Up 8M6002428 Current active part

Mercury Outboard (4-Stroke)

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury 65 JET 65 4-Stroke 2B095049 & Up 8M6002428 Current active part
Mercury 75 EFI 75 4-Stroke 2B095049 & Up 8M6002428 Current active part
Mercury 80 EFI 80 4-Stroke 2B095049 & Up 8M6002428 Current active part
Mercury 80 JET 80 4-Stroke 2B095049 & Up 8M6002428 Current active part
Mercury 90 EFI 90 4-Stroke 2B095049 & Up 8M6002428 Current active part
Mercury 100 EFI 100 4-Stroke 2B095049 & Up 8M6002428 Current active part
Mercury 115 EFI 115 4-Stroke 2B095049 & Up 8M6002428 Current active part

Technical Specifications

Specification Value
Product Type Fuel Injector
Installation Direct replacement, bolt-on
Fuel Type Gasoline (compatible with ethanol blends)
Connection Standard electrical connector
Housing Material Corrosion-resistant metal
Housing Color Black with green O-ring
Dimensions 6.20" L x 4.60" W x 1.90" H (157.5 x 116.8 x 48.3 mm)
Weight 0.13 lbs (59 g)
Fitting Type Multi-port injection (MPI)
Working Pressure 43 PSI (290 kPa)
Operating Temperature 160-180°F (71-82°C)
Warranty One Year
Other Technical Attributes 8-hole nozzle design, precision-machined components

Package Contents

  • 1 x Fuel Injector (8M6002428)
  • 1 x Seal Kit (25-879150A09)

Installation Guide

  1. Disconnect the negative battery terminal and safely relieve the fuel system pressure according to your engine's service manual.
  2. Unplug the electrical connector from the fuel injector you intend to replace.
  3. Clean the area around the fuel rail to prevent debris from entering the engine.
  4. Remove the bolts securing the fuel rail to the intake manifold.
  5. Carefully lift the fuel rail assembly away from the engine just enough to access the injector.
  6. Remove the retaining clip and gently pull the old injector from the fuel rail.
  7. Lightly lubricate the new O-rings with clean engine oil and press the new injector firmly into the fuel rail.
  8. Reinstall the retaining clip and ensure the injector is secure.
  9. Carefully reseat the fuel rail, ensuring all injectors are properly aligned, and torque the retaining bolts to the manufacturer's specification.
  10. Reconnect the electrical connector, re-attach the battery terminal, prime the fuel system, and check thoroughly for any leaks before starting the engine.

Troubleshooting & FAQ

Q: How do I confirm this injector fits my Mercury engine?

A: Check your engine's serial number. This injector fits 4.5L MPI sterndrives with serials 2A441953 & Up, 6.2L MPI sterndrives with serials 2A456613 & Up, and 4-stroke outboards (65-115 HP) with serials 2B095049 & Up. The most reliable method is to cross-reference the OEM part number (e.g., 8M6002428) with your engine's parts diagram.

Q: What are the signs of a failing fuel injector?

A: Common symptoms include rough idling, frequent engine misfires (which may trigger a check engine light), difficulty starting, poor acceleration, a decrease in fuel economy, or a noticeable smell of unburnt gasoline around the engine.

Q: Is this a direct bolt-on part?

A: Yes, this is designed for a direct, bolt-on installation with no modifications required for the compatible models listed. It uses the standard electrical connector and comes with the necessary seals for a complete replacement.

Q: OEM vs. Aftermarket?

A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?

A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?

A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84124121302

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Susan M. Kitchings
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★★★★★ 5
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So far so good! Seems sturdy enough for my little guy. Good value for the price.
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Reviewed in the United States on June 2, 2026
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katie clenshaw
Waukegan, US
★★★★★ 5
my dogs love these! their new constant companions!
When I first opened the box and saw these three octopuses, I thought they looked a little anemic, but looks can definitely be deceiving because my dogs love them. We try to be really careful about the toys we buy because one of my dogs swallowed a squeaker in the past and had to have surgery. Ever since then, we've been really mindful about what toys they have and making sure we're watching them when they play. I have to say these have been great. My dogs carry them everywhere. They take them outside, bring them back inside, and I've had to wash them multiple times because they are so loved and so well used. For some reason, my dog who is a constant chewer and destroyer of toys has not chewed through these. They feel relatively tough, especially considering how lightweight they are. They do have a squeaker inside, but they also have something crinkly in them that makes noise when the dogs are running around and playing with them. My dogs seem to love that. My dogs also look super cute running around with the octopus legs hanging out of their mouths. Fun product!
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Reviewed in the United States on June 9, 2026
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Sabrina P.
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★★★★★ 5
Great toys for dogs
I received these octopus toys for my dog because he destroys stuffed toys almost immediately, and I liked that these were no stuffing. They ended up being a big hit right away. The squeakers kept him interested longer than most toys do, and he loves shaking the octopus legs around while playing. Since there’s no stuffing inside, I don’t have to worry about coming home to fluff all over the house, which has honestly been a huge plus. The toys are lightweight and easy for him to carry around, and they work well for toss and fetch too. I have a medium sized dog, but I could see these being fun for smaller or even larger dogs depending on how aggressive of a chewer they are. They seem decently durable for plush toys. Mine have held up better than expected considering how rough my dog can be with his toys. The stitching has stayed together pretty well so far. I also like that the pack comes with three because one is always getting hidden somewhere in the house. It’s nice having extras ready to go. These have definitely helped keep my dog entertained and busy, especially on days when we can’t spend as much time outside.
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Reviewed in the United States on May 28, 2026
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Amazon Customer
Louisville, US
★★★★★ 5
Durable Octopus Toys That Have Survived My Little Destroyer
Durable Octopus Toys That Have Survived My Little Destroyer These octopus dog toys have been a big hit with our Boston Terrier, who treats every toy like a personal mission to destroy it as quickly as possible. Surprisingly, these have held up really well so far. The toys arrived a little flattened and crinkled because they were packed into a fairly small box, but once opened they shaped up fine and still looked good. The material feels durable, and I like that there’s no stuffing inside to explode all over the house once the chewing begins. As expected, the squeakers only survived a few minutes, but honestly that’s normal in our house and not really a knock on the toy itself. The important part is the toys themselves have not been ripped apart yet, which is impressive for our aggressive little chewer. The colors are bright, the faces are funny, and the overall construction feels stronger than a lot of plush-style dog toys we’ve tried before. At the time of my review, these feel like a great value for a durable and entertaining 3-pack. Overall, a fun and surprisingly tough set of dog toys that have managed to survive longer than most in our house.
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Reviewed in the United States on May 21, 2026
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SLee
New York, US
★★★★★ 4
No Foam, No Stuffing, No Mess. Just a Dog Toy that the Dog Loves
I received this product at no cost through the Amazon Vine program in exchange for my review. Our dog took to this right away, which is the most important review criterion as far as we are concerned. The crinkly noise is a big hit with him, consistent with similar toys we have given him in the past that he has gravitated toward. The standout practical feature for anyone tired of cleaning up after destructive chewers is the absence of foam or stuffing. If you have spent any time finding bits of foam or clumps of stuffing scattered under your furniture you will immediately appreciate this design choice. Less mess without sacrificing the sensory experience the dog is after. The long legs are also worth mentioning as a functional design element. Our dog clearly enjoys the feedback from shaking his toys and the legs deliver exactly that kind of satisfying resistance and movement. A well thought out toy that works for the dog and makes life a little easier for the owner. I do have a nagging concern about a generic/no name brand, but I do recognize that many if not all of the dog toys we have are also made in the same region and maybe even the same factory.
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Reviewed in the United States on May 20, 2026

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