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Sierra
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The Sierra 18-5354 Distributor Cap is a top-quality replacement part. This cap is designed to meet the demanding requirements of marine engines. Crafted from premium materials, it guarantees exceptional durability, peak engine performance and dependable operation in tough marine conditions. Upgrade the Reliability and Performance of your Mercruiser, Volvo Penta, and OMC Engines with this Sierra replacement distributor cap.
This Sierra 18-5354 Distributor Cap Replaces:
Key Benefits:
Customer Satisfaction:
Sierra 18-5354 Distributor Cap is a highly rated choice among boat owners. Consistently praised for its quality, ease of installation, and exceptional performance.
Trusted Brand:
Sierra Marine is a leading manufacturer of marine parts known for quality and reliability. Choosing Sierra ensures you receive a product designed with the specific demands of the marine environment in mind.
The Sierra 18-5354 Distributor Cap is readily available for purchase online at MacombMarineParts.com
While this product is designed for simple installation, consult a qualified marine mechanic if you require assistance.
For further information regarding the Sierra 18-5354 Distributor Cap, including detailed specifications and compatibility charts, visit the Sierra Marine website or contact Macomb Marine Parts via email sales@macombmarineparts.com




Product just as oem. Performs as it should. Order arrived quickly. Thank You!
Would have been 5 stars but, I did not receive a promotional sticker with my $2000 drive unit. Just kidding, everything was great!
Great company to work with!
Ordered a Piranha Propellers Complete A-Series 4 Blade Propeller from Macomb Marine Parts and even though we’re international, it arrived in just over a week — fast and reliable service. The propeller itself is a real lifesaver. We had the same model before, and after hitting a rock that damaged two blades, we were able to swap them right on the water and make it back to the marina without issue — something you simply can’t do with a regular aluminum prop. For peace of mind we decided to buy a complete new set (hub and blades) since an impact like that could cause hidden damage, but the system really proved its worth.
3 in. Exhaust Elbow | Pleasurecraft R029001
Excellent part.
I couldn’t find a Piranha propeller dealer near me in Canada but found Macomb Marine Parts who could deliver to me. The order process was smooth and I was even contacted via email for clarification regarding blade shape and they were very helpful in choosing the best shape for my purposes.
I can’t comment on the prop’s performance yet as we haven’t had the boat in the water yet.
Perfect replacement. thank you
Perfect replacement
Perfect match to the original Chris Craft blue. Competitive price and delivery was quick
Great Product, easy to install, work well
Obtaining magnesium anodes to install on the OMC Cobra (SX-C) sterndrive, for fresh water use. Received the anode within a week of ordering the part, which is not going to be installed until Spring.
Black Liquid Electrical Tape - 4 oz. | Star Brite 084104B
As described
Very Happy!! Just what I needed!!
Outdrive spent 4 months docked in salt water with no visible rust on the stainless steel braided hoses
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Would have been 5 stars but, I did not receive a promotional sticker with my $2000 drive unit. Just kidding, everything was great!
Great company to work with!
Ordered a Piranha Propellers Complete A-Series 4 Blade Propeller from Macomb Marine Parts and even though we’re international, it arrived in just over a week — fast and reliable service. The propeller itself is a real lifesaver. We had the same model before, and after hitting a rock that damaged two blades, we were able to swap them right on the water and make it back to the marina without issue — something you simply can’t do with a regular aluminum prop. For peace of mind we decided to buy a complete new set (hub and blades) since an impact like that could cause hidden damage, but the system really proved its worth.