★★★★★ 4
Good fit
Worked well with no problems.
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Reviewed in the United States on February 24, 2026
MerCruiser 4.5L - 6.2L Engine 100 Hour Service Maintenance Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
MerCruiser 4.5L - 6.2L Engine 100 Hour Service Maintenance KitThis EMP Engine Service Kit replaces Mercury Pt. No. 8M0147052 and contains: 2x 10 10100 1 Seal, Gearcase Fill Drain (OEM # 26 8M0204693) 1x 35 57801 Filter, Oil (OEM # 35 866340K01) 1x 35 35120 Filter, Fuel (OEM # 8M0122424) To suit MerCruiser engine model: 4. 5L 6. 2L (2014 Current) For over 40 years, Engineered Marine Products has been successfully serving both the OEM and marine after market by providing superior quality, reliable, and competitive
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Your MerCruiser 4.5L - 6.2L Engine 100 Hour Service Maintenance Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your MerCruiser 4.5L - 6.2L Engine 100 Hour Service Maintenance Kit ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 1170 reviews
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Product Reviews
★★★★★ 5
Great replacement kit
Called around for quotes to get them replaced and everyone was quoting over $2k just for bellows. Figured I’d give it a try. The rubber is good quality and feels soft. Time will tell but this is an easy job if you’re mechanically inclined. Make sure you replace the plastic water pickup fitting while you’re at it. Found mine to be cracked on disassembly and had to wait for a new one. Should be a easy 3-4 hour job if your not doing the bearing and only doing bellows
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Reviewed in the United States on August 26, 2024
★★★★★ 3
Just ok
Qualities OK, but for Marine applications might want better
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Reviewed in the United States on August 3, 2025
★★★★★ 5
Great quality
Just as described.
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Reviewed in the United States on July 22, 2025
★★★★★ 5
Bellows kit review initial inspection’s
Very good quality. The hose clamps were event the better ones you have to pay extra in most cases.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2025
