The aftermarket SMX Cummins parts manufactured by SB marine and the best I've ever used, A huge upgrade to genuine parts in my opinion. I order and engine hose it, saltwater pump and several coolin... See more
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See what reviewers are saying
Marco and the team at Seaboard Marine came to our rescue with parts for a new-to-us Grand Banks. His help and assistance is making the purchase go through quicker and smoother; thanks to them we'll... See more
We purchased an alternator for our 5.9 Cummings marine engine nine months ago. We installed it approximately four months ago and we had an issue with the charger after approximately two months of trav... See more
Marco's customer service was exceptional. His prompt replies, his assistance with finding the exact pump I needed and speedy export was second to none. I cannot thank him enough. I found him easier t... See more
Company details
- Marine Supply Shop
- Boat accessories supplier
- Boat maintenance
- Boat storage facility
- Diesel engine dealer
- Marine engineer
Information provided by various external sources
Seaboard Marine stocks a full-line of Cummins Marine Diesel Engines, ZF Marine Transmissions, and Specializes in Parts & Service for Cummins Marine.
Contact info
2947 WEST 5th Street, 93030, Oxnard, United States
- 805-382-6287
- corey@sbmar.com
- sbmar.com
What a reputation
I live in a boat community. Everyone has nothing but good things to say about Seaboard. The customer service and advice is unmatched. Thank you.

Reply from Seaboard Marine
parts supply from Seaboard
Great service and keeping me informed of the whole process.
Simple and easy transaction !
Great as always
It’s always great
It’s always great. Most knowledgeable people on the planet. And best stuff.
Their Knowledge.
Excellent customer service
Excellent customer service. The website is full of great info and easy to use/shop
Always quick and easy
Always quick and easy. Parts always in stock and shipped same day! Thank you!
Quick response and shipping.
Quick response and shipping.
The right stuff.
They know what you need to stay operating.
Ordered the wrong pump and they changed…
Ordered the wrong pump and they changed the order and got it sent out. Great service.
Always fast and friendly service
Always fast and friendly service. Ships most of the time the same day. Thank you
Seaboard is #1 again.
Justin was a huge help. He had the gear coolers I needed and got them shipped out same day. Seaboard remains my #1 supplier.
Quick ship!
Requested quick shipping at 4pm the Friday before a 4th of July weekend and it was done!
You guys are always very knowledgeable.
Tony
Tony, Corey and the crew are great to work with.
Easy to communicate with and get the parts out fast.
Had an issue downloading a parts file…
Had an issue downloading a parts file and customer service sorted it straight away ....much appreciated for the fast response.
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