Aftermarket Parts
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Perko Gas Tank Vent with Splash Shiel 0506Dp4Chr
Perko
$28.29 $24.99Perko Gas Tank Vent with Splash Shiel 0506Dp4Chr Removable 30 mesh stainless steel wire screen flame arrester. Designed to meet the requirements of the USCG safety standards for gasoline fuel systems.- Part Number:
- 9-0506DP4CHR
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Chrome Zinc
- Hose:
- 5/8"
- Max Hull Thickness:
- 3/4"
$28.29 $24.99 -
Permatex 6 Ml. 518 Gasket Maker 51817
Permatex
$13.59 $8.75Permatex 6 Ml. 518 Gasket Maker 51817Non-corrosive. Ideal for emergency repairs and designed primarily for use on aluminum, iron and steel mating surfaces. Fills gaps up to .015". Cures to a solvent resistant seal that will not tear or decay during...- Part Number:
- 180-51817
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 6 ml. tube
$13.59 $8.75 -
Racor Element-Replacement 200 Turbine 10M 2000Tmor
Racor
$31.09 $23.45Racor Element-Replacement 200 Turbine 10M 2000TmorWaterproof, 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:
- 62-2000TMOR
- Availability:
- In Stock - Ships same or next business day.
- Micron:
- 10
- End Cap:
- Blue
- Fits:
- 200FG
$31.09 $23.45 -
Racor Filter-Replacement B32020Mam Mc 10M S3220Tul
Racor
$49.69 $35.77Racor Filter-Replacement B32020Mam Mc 10M S3220Tul Aquabloc® II filter replacement elements are offered as retrofits to Racor clear or metal bowl filter assemblies Long-life with 98% filtration efficiency and 100% water removal per SAE...- Part Number:
- 62-S3220TUL
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Element
- Micron:
- 10
- For:
- B32020MAM
- Application:
- Mercruiser I/O
$49.69 $35.77 -
Sea-Dog Line Steering Cable Boot 521700
SEA-DOG LINE
$8.95 $8.28Sea-Dog Line Steering Cable Boot 521700 Protects the output end of most steering cables.- Part Number:
- 354-521700
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Bulk
- Length:
- 8"
$8.95 $8.28 -
Seachoice Hour Meter Chrome Bezel 15301
Seachoice
$66.22 $50.69Seachoice Hour Meter Chrome Bezel 15301 High impact polycarbonate caseSelf-lubricating parts, increases shelf life, reduces frictionPolarity insensitivity prevents installation errorsU-bracket mounting4V to 50V DCMeets NEMA and SAE specifications.- Part Number:
- 50-15301
- Availability:
- In Stock - Ships same or next business day.
- Finish:
- Stainless Steel Bezel
$66.22 $50.69 -
Seastar 3/8 & 1/4 Tee Fitting (3/Bg) Hf5531
Seastar
$85.39 $48.85Seastar 3/8 & 1/4 Tee Fitting (3/Bg) Hf5531 All Older Style SeaStar manual hydraulic steering systems. These are 3/8" compression fittings which utilize a 9/16"-24 extra fine thread. (Seastar Solutions New Updated cylinders with part numbers ending...- Part Number:
- 1-HF5531
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Tee Fitting
- Material:
- Aluminum
- Bag:
- 3
$85.39 $48.85 -
Seastar Baystar Tubing Kit 30' Ht4430H
Seastar
$367.59 $209.76Seastar Baystar Tubing Kit 30' Ht4430HCan be used with all BayStar helms with appropriate fittings. Kit contains two cut lengths of tubing.(NOTE: BayStar Cylinders with H suffix must use tubing part number with H suffix.)- Part Number:
- 1-HT4430H
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Baystar Tubing
- Length:
- 30' (2 x 30')
$367.59 $209.76 -
Seastar Bulk Head Hose Kits 16' 2/Bx Ho8116
Seastar
$346.79 $234.98Seastar Bulk Head Hose Kits 16' 2/Bx Ho8116SeaStar® Bulkhead Hose Kits assure a neat hydraulic steering installation. Each hose has an integral bulkhead fitting for tidy routing of hoses through a splashwell bulkhead, helping to eliminate excess...- Part Number:
- 1-HO8116
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 16'
- Box:
- 2
$346.79 $234.98 -
Seastar Cap Screw Hex Head 3/8 Nf Hp6001
Seastar
$47.89 $38.44Seastar Cap Screw Hex Head 3/8 Nf Hp6001- Part Number:
- 1-HP6001
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Cap screw - hex head - 3/8" NF x 1-1/4" SST - 3 each
$47.89 $38.44 -
Seastar Classic Tilt Replacement Kit Ha6523
Seastar
$484.09 $347.20Seastar Classic Tilt Replacement Kit Ha6523 Kit is designed to replace the tilting mechanism of a SeaStar Traditional and SeaStar Classic Tilt helms.- Part Number:
- 1-HA6523
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Classic Tilt replacement kit
$484.09 $347.20 -
Seastar Cylinder Outboard Front Mount Hc5345-3
Seastar
$1,039.99 $835.58Seastar Cylinder Outboard Front Mount Hc5345-3 Updated cylinders fit the same applications as the prior models. Improvements over previous models include: Updated styling, a more robust barrel, new sealing systems and materials with excellent resistance...- Part Number:
- 1-HC53453
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Front Mt.
- Mount:
- Pivot
$1,039.99 $835.58 -
Sold Out, please call for ETA.
Seastar Cylinder Seal Kit For K6 Ks19
Seastar
$63.79 $40.90Seastar Cylinder Seal Kit For K6 Ks19- Part Number:
- 10-KS19
- Availability:
- In Stock - Ships same or next business day.
- Description:
- For K6
$63.79 $40.90 -
Seastar No-Feedback Rotary Helm/Single Sh4910
Seastar
$217.69 $167.65Seastar No-Feedback Rotary Helm/Single Sh4910 Two bolts secure QC cable to helm One bolt holds spent travel tube. No feedback feature- Part Number:
- 1-SH4910P
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Single Helm
$217.69 $167.65 -
Seastar Non-Vent Plug Ha5432
Seastar
$28.19 $16.80Seastar Non-Vent Plug Ha5432- Part Number:
- 1-HA5432
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Non-Vented Fill Plug
$28.19 $16.80 -
Seastar Perf No-Feedback Tilt Helm Single Sh91526P
Seastar
$336.69 $250.53Seastar Perf No-Feedback Tilt Helm Single Sh91526P Single cable No Feedback tilt helm. For engines up to V6 where single cable steering is used. Requires separate tilt mechanism SH91800P.- Part Number:
- 1-SH91526P
- Availability:
- In Stock - Ships same or next business day.
$336.69 $250.53 -
Seastar Pivots 30 Series 1/4'Dia 31539
Seastar
$21.09 $18.17Seastar Pivots 30 Series 1/4'Dia 31539- Part Number:
- 1-031539
- Availability:
- In Stock - Ships same or next business day.
- Cable:
- 3300
- A:
- 1/4"
- B:
- 43297
- C:
- 3/8"
- D:
- 0.191
- E:
- 23/32"
$21.09 $18.17 -
Seastar Pro Series Tilt Mechanism Sh91800P
Seastar
$222.39 $171.87Seastar Pro Series Tilt Mechanism Sh91800P Tilt mechanism with flexible bellows and 3/4" tapered shaft. Requires tilt helm assembly.- Part Number:
- 1-SH91800P
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Tilt Mechanism
$222.39 $171.87 -
Sherwood Pump Impeller Kit W-O-Ring 29000K-Shw
Sherwood Pump
$358.19 $244.30Sherwood Pump Impeller Kit W-O-Ring 29000K-ShwNeoprene maximum temperature 130°F.Part numbers ending in "K" designate impeller kits which include impeller, gasket and O-ring.- Part Number:
- 762-29000K
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Impeller
- Blades:
- 12
- Dia.:
- 3-3/4"
- Width:
- 4"
- Shaft:
- 15/16"
- Keyway:
- 10 Tooth Spline
$358.19 $244.30 -
Sierra Alternator-70A Hinge Mnt Serp 18-6298
Sierra
$367.09 $269.31Sierra Alternator-70A Hinge Mnt Serp 18-6298- Part Number:
- 47-6298
- Availability:
- In Stock - Ships same or next business day.
$367.09 $269.31
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.