Mercruiser Replacement Engines

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Parts Selection Guide

Find the parts you need

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Prop Selection Guide

Find the right prop for your boat

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  • Engine Manufacturer:
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      • GM 4.3 Marine Engines
        $3,939.89
        $3,425.99

        GM 4.3 Marine Engines ATK is a leading manufacturer of marine engines that are made with maximum performance and long term durability in mind. The engines are designed and built specifically for boating and all the rigors and conditions marine engines...

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      • GM 5.7 Marine Engines
        $5,153.99
        $3,562.99

        GM 5.7 Marine Engines Why buy an ATK Marine Engine? ATK is a leading manufacturer of marine engines. ATK designs engines that are made with performance in mind and long lasting durability is a priority. Marine environments require a different type of...

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      • Ford 5.8 Marine Engines
        $3,595.99

        Ford 5.8 Marine Engines ATK premium quality marine engines are designed & built specifically for boating. No matter how you use your boat, ATK Marine engines will provide maximum performance & long-term durability. There are over 150 processes...

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      Mercruiser OEM Engine Parts Finder

      Shop New MerCruiser Engines

      Selecting the right Mercruiser engine replacement can be a daunting task. Whether it is a full engine replacement or just replacing cylinder heads or other engine parts, we carry MerCruiser engines and parts at competitive prices. Check out our engine parts selection guide to help you find what you need. Our experienced customer service team is also readily available to assist with any questions you may have.

      Browse Our Selection of Remanufactured MerCruiser Engines

      ATK Marine engines is a trusted name in engine remanufacturing. They have been refurbishing engines since 1936. Their commitment to quality and customer service is unrivaled in the industry. Wholesale Marine is proud to carry ATK remanufactured Mercruiser engines. These engines are competitively priced and ready to ship.

      Wholesale Marine knows that replacing your engine or engine parts can be a stressful situation. Let us help you make the right choice. Use our parts finder or contact our team of boating experts for help. Just give us a call at 877-388-2628 Monday through Friday from 9:00 AM until 6:00 PM. Remember to sign up for our Captain’s Club Rewards Program to collect points towards future purchases.

      FAQs

      How do I know when my MerCruiser engine needs to be replaced?

      Look for signs of decreased engine performance, consistent starting issues, overheating, excessive exhaust, or knocking and banging noises. If your MerCruiser engine experiences any of these issues, it may need to be replaced.

      How many hours does a MerCruiser engine last?

      If routine maintenance is performed by a marine technician, and the boat is regularly used, owners may expect between 1200-1500 hours before needing a new MerCruiser engine.

      How often should I complete regular maintenance on my MerCruiser engine?

      To maintain your MerCruiser engine, aim for an oil change, filter change, and fuel filter replacement every 100 hours or annually, whichever comes first. Contact us if you’d like additional guidance on engine maintenance.