These products will be on sale for the entire month of February, 2024.
Time to get ready for another great year on the water. Whether you are a die-hard angler or a weekend warrior looking to enjoy some wine and cheese while cruising in the sunset, we’ve got you covered. We have a wide array of products on sale from annual maintenance items to some of our popular SMX specialty products. A few odd items are still in short supply, but we’ve been working hard again to order early, and order plenty, to try to keep as much in stock as possible to keep you guys on the water this season.
PLEASE NOTE:
1) Discounts are applicable to website orders only. No phone orders.
2) Discounts cannot be applied to existing or prior orders.
3) Discounts are applicable only while supplies last.
Seaboard SMX Complete Aftercoolers and Cores 10% OFF
Time to change your engines aftercooler? Get a better than OEM SMX unit while they’re on sale!
View SMX Aftercoolers Ā»
Includes Spare O-Ring Kit, Square Gaskets, & Metalube Grease
SMX Core Made to Seaboard Specifications:
Core length has been specifically shortened 0.030ā to increase overall āCore Floatā distance which
allows housings to be re-surfaced in cases of heavy corrosion.
SMX Core Made in the U.K.
Heavy Duty Construction & Materials
- SMX aftercooler housing is cast from ZL109 hi-strength / high-corrosion resistant Aluminum (used in high-performance engine pistons)
- Housing is Hard Anodized to mil-spec Type III (extra thick)
- SS Heli coils in all essential locations
- Improved Endplate Materials to DZR Brass to resist Corrosion & Pitting
- Constructed with Heavy Duty CuNi Tubes
Engine Belts 15% OFF
Clean up those old belts and get yourself prepared for the Summer season.
View engine belts Ā»
Fleetguard Filters 15% OFF
Now is the best time to stock up on all of your Fuel, Oil & Coolant Filters.
Shop the sale Ā»
Grease & Sealants 15% OFF
A must have on any boat! Keep the salt water at bay with a large selection of effective greases & sealants.
View products Ā»
Air Filter Kits are 10% OFF
The best alternative to “paper-based” air filter elements. These S&B premium cleanable air filters will stand the test of time.
View air filter kits Ā»
Impellers 20% OFF
Keep your engine cool with SMX Seawater Pump Impellers that feature a high-quality neoprene design.
View impellers Ā»
Maintenance Kits 15% OFF
Treat your engines right with our exclusive Seawater Side Aftercooler & Heat Exchanger Maintenance Kits.
Check out the deals Ā»
Thermostats 10% OFF
Keep your engine cool with SMX & Cummins OEM engine thermostats.
View thermostats Ā»
Zincs 10% OFF
Stay on top of your engine and seawater component maintenance with our zinc kits.
Check out the deals Ā»
O-Ring Kits 20% OFF
As a part of your seasonal maintenance, it’s a good idea to replace your seawater component o-rings.
View O-Ring kits Ā»
Gasket Kits 15% OFF
Keep those engine and seawater component gaskets fresh with Seaboard’s exclusive gasket kits.
View gasket kits Ā»
SMX 1730 Pumps are now 10% OFF!
The superior āPlug & Playā replacement for the SHERWOOD 1730 seawater pump.
View SMX 1730 pumps Ā»
SMX QSB Seawater Pumps 10% OFF!
Direct Replacement on all QSB 5.9 & QSB 6.7 Marine Diesel Engines
View SMX QSB pump Ā»
SMX Marine Instrument Panels 10% OFF
Keep an eye on your mechanical Cummins Marine engine with a brand new SMX instrument panel.
View SMX Marine Instrument Panels Ā»
EnviroVent CCV Kits now on sale! 10% OFF!
A simple and cost effective CCV system for your Cummins B, C, & L series marine diesel.
View CCV Kits Ā»
SMX Complete Squeeze Bulb Priming Kit – Now $115 each $145
Add this simple squeeze bulb fuel priming kit to your existing filtration setup or to a new double double kit to make priming fuel a breeze!
View Squeeze Bulb Kits Ā»
Hoses & Complete hose Kits 10% OFF
Replace old & tired engine hoses with a complete new set. Optional genuine Cummins hose clamps are available as well.
View Hose Kits Ā»
Sending Units & Sensors are now 15% OFF
Sending units not always working the way they should? Time to swap them out with new ones!
View sending units & sensors Ā»
Alarms & Switches 15% OFF
Setup redundant engine and transmission alarms for that extra layer of security!
View alarm systems Ā»
Wolverine Oil Pan Heaters 10% OFF
Keep your engines warm and cozy with new oil pan heaters!
View oil pan heaters Ā»
Custom Exhaust Flange Kit now $195 $250
When it’s time to upgrade your engine’s marine exhaust system, everything starts with the exhaust flange.
View the flange kit here Ā»
Fuel Cooler Removal Kit 10% OFF
When you’re ready to clean up you Cummins engine, it’s time to remove your fuel cooler…
View Fuel Cooler Removal Kits Ā»
SMX Alarm PCB Board now $275 $325
Is your current OEM alarm board misbehaving? The new & improved SMX will board get you fixed up!
View alarm board Ā»
Seaboard Shirts & Engine Decals 15% OFF
Make yourself and your engine look good & hook yourself with some serious Seaboard SWAG!
View shirts & decals Ā»
SMX Silicone Exhaust Hump Hoses 20% OFF
Setup your exhaust the right way with our SMX double and triple hump exhaust hoses!
View SMX Hump Hoses Ā»
ZF Marine Transmission Oil Drain Line Kits 15% OFF
Drain line kit fits the ZF 800/80/85 series, 220A, & 280 series transmissions.
View drain line kit Ā»
SMX Custom Dry Exhaust Elbow Kit 10% OFF
Our Custom Exhaust Elbow Kit fits all Cummins B, C, QSB 5.9/6.7, QSC, QSL, & Wet QSMās
View the exhaust kit here Ā»
Gear Oil Cooler Kits 10% OFF
Time to upgrade your transmission’s cooling system with a bran new gear oil cooler.
View Gear Oil Coolers Ā»
Freshwater Flushing Kits 15% OFF
These freshwater flush caps are back in stock! Our SMX Freshwater Flush Cap fits the ARG-1500 thru ARG-3000 models.
View freshwater flush kits Ā»
Custom USCG Approved Hoses 5% OFF
Time to upgrade your boat with custom USCG approved hoses for your engine, transmission, hydraulic, or fuel system.
Engine & Gear Hydraulic Hoses Ā»
High Pressure Hydraulic Oil Lines Ā»
Fuel Line Hose Ā»
SMX Gauge Kits Kits 10% OFF
Develop baseline numbers to determine engine health with these EGT/Pyro/Boost Gauge Kits.
View SMX EGT Gauge kits Ā»
View SMX BOOST Gauge kits Ā»
SMX RED 1″ inch stud Isolators are 10% OFF
SMX/Barry Specialty Vibration Isolator for Cummins are now on sale.
View SMX RED Isolators Ā»
SMX Digital Display Kits 10% OFF
Bring your engine instrumentation up to date with an SMX digital upgrade kit.
View digital display kits Ā»
1) Discounts are applicable to website orders only. No discounts on phone based orders.
2) Discounts cannot be applied to existing or prior orders.
3) While supplies last.