Aftermarket Parts
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NGK Spark Plugs 7397 Spark Plug Iridium 7397
NGK Spark Plugs
$18.19 $10.90NGK Spark Plugs 7397 Spark Plug Iridium 7397 Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. Fine-tipped iridium-center electrode ensures high...- Part Number:
- 41-TR5IX
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 7397
- What's in the Box:
- (1) Spark Plug
$18.19 $10.90 -
Sold Out, please call for ETA.
Racor Check Ball with Seal For 900/1000 Rk 11028B
Racor
$30.23Racor Check Ball with Seal For 900/1000 Rk 11028B- Part Number:
- 62-RK11028B
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Replacement Check Ball Kit
- Fits:
- 900/1000FG & MA Series
$30.23 -
Racor Element-Replacement 500 Turbine 10M 2010Tmor
Racor
$17.69 $13.41Racor Element-Replacement 500 Turbine 10M 2010TmorWaterproof, rustproof, dirtproof. Engineered to repel water and remove solid contaminants before they can damage precision engine components. Racor Aquabloc elements are available in different lengths for...- Part Number:
- 62-2010TMOR
- Availability:
- In Stock - Ships same or next business day.
- Micron:
- 10
- End Cap:
- Blue
- Fits:
- 500
$17.69 $13.41 -
Racor Ff/Ws Gas Or Diesel 110A
Racor
$222.59 $205.35Racor Ff/Ws Gas Or Diesel 110A The Racor 100 Series features a variety of compact sizes to fit the most cramped engine compartments. All units feature 1/4"-18 NPTF inlet and outlet fuel ports and a unitized mounting bracket. All 100 Series assemblies...- Part Number:
- 62-110A
- Availability:
- In Stock - Ships same or next business day.
- GPH:
- 15/35
- Micron:
- 10
- Ports:
- 1/4"-18 NPTF
- Bowl:
- Metal
- Size:
- 3.3" D x 3.2" W x 6" H
$222.59 $205.35 -
Seachoice Fuel Conn-Merc Male 3/8 20581
Seachoice
$9.60 $8.66Seachoice Fuel Conn-Merc Male 3/8 20581 Precision engineered fuel connectors- Part Number:
- 50-20581
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose Fitting - Male
- Fits:
- Mercury/Mariner
- Material:
- Hi-Impact Nylon
- Type:
- Deluxe
- Thread:
- -
- Hose:
- 3/8" Barb
$9.60 $8.66 -
Seachoice Gas Tank Vent-Straight Cpz 23011
Seachoice
$16.86 $13.92Seachoice Gas Tank Vent-Straight Cpz 23011 23001: Reinforced black nylon with stainless steel screen flame arrestor. • 23011: Meets USCG safety standardsChrome plated zinc vent with removable wire screen flame arrester.- Part Number:
- 50-23011
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Chrome Plate Zinc
- Hose:
- 5/8"
- Max Hull Thickness:
- 3/4"
$16.86 $13.92 -
Sold Out, please call for ETA.
Seastar 400A High H.P.Connection Kit Ca27247P
Seastar
$40.69Seastar 400A High H.P.Connection Kit Ca27247P This kit is for use with CC170 series cables, over 35HP, 1973-1978.- Part Number:
- 1-CA27247P
- Availability:
- In Stock - Ships same or next business day.
$40.69 -
Seastar Ball Knob Black 4009819
Seastar
$22.17Seastar Ball Knob Black 4009819 Replacement control knobs fit most controls with 3/8-24 threaded handles.- Part Number:
- 1-4009819
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Black Ball Knob Replacement
$22.17 -
Sold Out, please call for ETA.
Seastar Dash Tilt Mod. Safe T Qc Sgl. Sht91523
Seastar
$284.29 $279.11Seastar Dash Tilt Mod. Safe T Qc Sgl. Sht91523 Tilt steering brings comfort and convenience to any boat by allowing adjustment of the wheel to suit nearly any driving position. Features 5 adjustment positions in 12�� increments. Fits all types of...- Part Number:
- 1-SHT91523
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Safe-T QC Rotary Systems
$284.29 $279.11 -
Seastar Neutral Safety Switch S Contro 47307
Seastar
$127.79 $98.74Seastar Neutral Safety Switch S Contro 47307- Part Number:
- 1-047307
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Neutral Safety Switch Kit for S Controls
$127.79 $98.74 -
Seastar Shift Knob 50030 (Smooth) Ca69051P
Seastar
$60.29 $47.24Seastar Shift Knob 50030 (Smooth) Ca69051P Features both visual and tactile distinction for throttle and shift, in keeping with the latest ABYC guidelines. Handles replace CH5400P & CH5600P twin control handles. Knobs replace most other brand...- Part Number:
- 1-CA69051P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- SS Smooth Shift Knob
$60.29 $47.24 -
Sherwood Pump P Pump Sea with Pulley Kohler 3/ G907P
Sherwood Pump
$588.49 $426.51Sherwood Pump P Pump Sea with Pulley Kohler 3/ G907P Impeller Kit: 9000K- Part Number:
- 762-G907P
- Availability:
- In Stock - Ships same or next business day.
- Engine:
- Ford & Kohler
- Pulley:
- w/Pulley
- Inlet:
- 3/8" NPT
- Outlet:
- 3/8" NPT
$588.49 $426.51 -
Sold Out, please call for ETA.Special Order! See availaility for details
Sherwood Pump Pump Cummins Qsc Engine G2610X
Sherwood Pump
$2,149.99 $1,635.44Sherwood Pump Pump Cummins Qsc Engine G2610X Applications: Flexible Impeller Engine Cooling Pump Pump Body: Bronze Ports: Flanged, Port Elbows Not Included Cam: Full Impeller: Neoprene Shaft Seal: Mechanical Drive: Flange Mounted to...- Part Number:
- 762-G2610X
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- G2603X
$2,149.99 $1,635.44 -
Sierra 580148 J/E Contact Set 18-5156
Sierra
$21.69 $15.08Sierra 580148 J/E Contact Set 18-5156- Part Number:
- 47-5156
- Availability:
- In Stock - Ships same or next business day.
$21.69 $15.08 -
Sierra 86234A05 Mc/OMC Fuel Pump 18-7278
Sierra
$359.59 $244.96Sierra 86234A05 Mc/OMC Fuel Pump 18-7278- Part Number:
- 47-7278
- Availability:
- In Stock - Ships same or next business day.
$359.59 $244.96 -
Sierra Anode (Zinc) 18-6249
Sierra
$27.89 $26.62Sierra Anode (Zinc) 18-6249- Part Number:
- 47-6249
- Availability:
- In Stock - Ships same or next business day.
$27.89 $26.62 -
Sierra Braided Fuel Line 31.25" 18-8114
Sierra
$108.59 $76.31Sierra Braided Fuel Line 18-8114- Part Number:
- 47-8114
- Availability:
- In Stock - Ships same or next business day.
$108.59 $76.31 -
Sierra Draincock1/4Npt 18-4218
Sierra
$16.59 $13.35Sierra Draincock1/4Npt 18-4218- Part Number:
- 47-4218
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Cylinder Block
- Size:
- 1/4" NPT
- OEM #:
- Mercury 22-16951A1 - 22-16951Q1 - 22-16951T1 - OMC 379957 - Volvo 82745
$16.59 $13.35 -
Sierra Marine Tach-Hour Small Engine Tachometer / Hourmeter with Sensor Wire for 2/4 Stroke 2 Cylinders, 5' 56969P
Sierra
$66.49 $51.64Sierra Tach-Hour Small Engine 56969PFor any gasoline motor up to 2 cylinder. Displays RPM up to 9000. Allows hour monitoring for even the smallest outboard motors. Great for 2 or 4 stroke. Displays RPM when running total hours when off.No power or ground...- Part Number:
- 47-56969P
- Availability:
- In Stock - Ships same or next business day.
$66.49 $51.64 -
Sierra Sender-Temp 240F 3/8-18 18-5897
Sierra
$43.39 $32.52Sierra Sender-Temp 240F 3/8-18 18-5897- Part Number:
- 47-5897
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 97257A1 - 806490T
- Thread:
- 3/8" - 18 NPT
$43.39 $32.52
Aftermarket Boat Parts & Marine Engine Supplies
Looking for dependable aftermarket boat parts? PowerBoatSupply.com carries a wide selection of aftermarket marine parts, engine supplies, oils, fuel components, steering parts, anodes, tools, and maintenance essentials for boat owners and marine professionals.
Whether you're handling routine service, replacing worn components, or stocking up for the season, our aftermarket parts selection helps keep your boat running smoothly and reliably.
Marine Engine Parts & Maintenance Essentials
Keep your motor protected and performing with key maintenance categories like engine parts, motor oil, marine oil systems and accessories, and lubricants, fluids and sealants.
- Engine Parts – Replacement components for service and repair
- Motor Oil – Marine-grade oils for routine maintenance
- Oil Systems & Accessories – Helpful products for oil changes and upkeep
- Lubricants, Fluids & Sealants – Protect, seal, and maintain marine systems
Fuel, Steering & Control Parts
Reliable fuel delivery and responsive steering are critical on the water. Browse marine fuel parts and steering and controls to help maintain safer handling, smoother operation, and dependable performance.
- Fuel Parts – Components for reliable fuel system performance
- Steering & Controls – Parts that help improve control and handling
- Engine Instruments – Monitor key systems while underway
- Engine Tools – Tools for maintenance, repair, and service work
Anodes, Instruments & Service Tools
Small parts can make a big difference in long-term protection and performance. Shop marine anodes, engine instruments, and engine tools to help protect your boat, monitor performance, and complete service work more efficiently.
- Anodes – Help protect metal components from corrosion
- Engine Instruments – Gauges and monitoring products for marine engines
- Engine Tools – Service tools for DIY boaters and marine technicians
- Maintenance Supplies – Everyday essentials for seasonal upkeep
Yamaha Oil Change Kits & Routine Service Products
Staying ahead of routine service is one of the best ways to protect your investment. PowerBoatSupply.com also carries Yamaha oil change kits and other service products that make maintenance easier and more convenient.
- Oil Change Kits – Convenient service kits for scheduled maintenance
- Marine Oils – Protect engines under real boating conditions
- Sealants & Fluids – Support repairs, installs, and regular service
- Tools & Accessories – Make maintenance faster and cleaner
Why Buy Aftermarket Marine Parts from PowerBoatSupply.com?
PowerBoatSupply.com helps boat owners find reliable parts and maintenance products without the guesswork. From routine oil service to engine repair, fuel system work, corrosion protection, and steering maintenance, our aftermarket category is built to support the jobs boaters handle every season.
- Wide selection of aftermarket boat parts and marine supplies
- Products for DIY boat owners and marine professionals
- Helpful categories for seasonal service and repairs
- Fast shipping and dependable support
Shop aftermarket boat parts today and get the engine parts, oils, fuel components, steering supplies, anodes, tools, and maintenance products you need to keep your boat ready for the water.