Aftermarket Parts
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Sierra Tune-Up Kit W/Cap Mallory Stac 18-5271
Sierra
$75.39 $59.12Sierra Tune-Up Kit W/Cap Mallory Stac 18-5271Contains: Contact set; condenser and rotor and distributor cap.- Part Number:
- 47-5271
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Indmar - Crusader
- Fits:
- V-8 Mallory Single Point
$75.39 $59.12 -
Sierra Tune-Up Kit W/Cap Pres.Screwv 18-5275
Sierra
$71.49 $56.58Sierra Tune-Up Kit W/Cap Pres.Screwv 18-5275Contains: Contact set; condenser and rotor and distributor cap.- Part Number:
- 47-5275
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Indmar - Mercruiser - OMC Sterndrive/Cobra - Pleasurecraft. Prestolite
- Fits:
- V-8 Single Point Screw Cap
$71.49 $56.58 -
Sold Out, please call for ETA.
Sierra Valve 4-Way 1/4 Fnpt 18-1654
Sierra
$22.69 $17.24Sierra Valve 4-Way 1/4 Fnpt 18-1654- Part Number:
- 47-1654
- Availability:
- In Stock - Ships same or next business day.
- Description:
- w/o Detent
- Thread:
- 1/4" FNPT
$22.69 $17.24 -
STA-BIL Fogging Oil 12oz 22001
STA-BIL
$10.79 $10.45STA-BIL Fogging Oil 12oz 22001Dual corrosion system protects internal metal surfaces from rust and corrosion during storageDisplaces moistureLubricates cylinders- Part Number:
- 269-22001
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 12 oz.
$10.79 $10.45 -
STA-BIL Gas Stabilizer 10oz 22206
STA-BIL
$9.99 $8.99STA-BIL Gas Stabilizer 10oz 22206 Keeps fuel fresh for quick, easy starts after storage Removes water according to OEM specs to prevent corrosion Cleans carburetors and fuel injectors- Part Number:
- 269-22206
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 10 oz.
- Treats:
- 25 gal.
$9.99 $8.99 -
Starbrite Star Tron Diesel Additive 8 Oz 93108
Starbrite
$24.89 $16.52Starbrite Star Tron Diesel Additive 8 Oz 93108 • Makes any engine run more smoothly, start more easily Eliminates & prevents carbon deposits Stabilizes fuel, greatly reduces soot & other emissions...- Part Number:
- 74-93108
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz.
- Treats:
- 256 gal.
$24.89 $16.52 -
Trident Hose Fiberglass Tube Conn 3-1/2 2603121
Trident Hose
$57.99 $34.90Trident Hose Fiberglass Tube Conn 3-1/2 2603121For exhaust hose, elbows, hump hose & reducers. Fire retardant/heat resistant USA made (install minimum 2' downstream from point of cooling water...- Part Number:
- 606-2603121
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 3-1/2"
- Length:
- 4"
$57.99 $34.90 -
Uflex Connect Kit/C14 Cable To Engn K51
Uflex
$20.89 $15.10Uflex Connect Kit/C14 Cable To Engn K51- Part Number:
- 216-K51
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Kit to connect C14 OMC to B89/90 control
$20.89 $15.10 -
Sold Out, please call for ETA.
Uflex Hose Kit-Svs Hp 14' 2/Box Kitobsvs14
Uflex
$244.86Uflex Hose Kit-Svs Hp 14' 2/Box Kitobsvs14 SilverSteer hoses are designed for high performance applications and recommended for use with Uflex UP25SVS and UP33SVS helms with 1500 psi valves. They...- Part Number:
- 216-KITOBSVS14
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 14'
- Box:
- 2
$244.86 -
Sold Out, please call for ETA.
Uflex Paddle Trim-Single Switch Kit Pts-1
Uflex
$260.17 $198.27Uflex Paddle Trim-Single Switch Kit Pts-1 For complete control of engine trim and tilt, trim tabs, jackplates, PowerPole®, Talon and other on board systems, the innovative Paddle Trim system is the...- Part Number:
- 216-PTS1
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Single switch kit
$260.17 $198.27 -
Uflex Side Mount Cylinder Uc132-Obs
Uflex
$602.19 $535.65Uflex Side Mount Cylinder Uc132-Obs Universal design for most sterndrive applications Attaches to transom shield where steering cable would otherwise attach Anodized and stainless steel constr- Part Number:
- 216-UC132OBS
- Availability:
- In Stock - Ships same or next business day.
- Volume:
- 8/9.95ci
- Stroke:
- 8"
- Bore:
- 1.25"
$602.19 $535.65 -
Uflex Steering Wheel Black Poly Chrome Morosini U/Ch/B
Uflex
$292.89 $225.27Uflex Steering Wheel Black Poly Chrome Morosini U/Ch/B 3 spoke Fits standard 3/4" tapered shaft Hub included- Part Number:
- 216-MOROSINIUCHB
- Availability:
- In Stock - Ships same or next business day.
- Grip:
- Polyurethane w/ chrome hub
- Color:
- Black
- Dia.:
- 13.8"
$292.89 $225.27 -
Uflex Steering Wheel Black Vinyl Chrome FOSCARIVCHB
Uflex
$431.99 $331.44Uflex Steering Wheel Black Vinyl Chrom Foscarivchb 3 spoke Fits standard 3/4" tapered shaft Hub included- Part Number:
- 216-FOSCARIVCHB
- Availability:
- In Stock - Ships same or next business day.
- Grip:
- Vinyl w/ chrome hub
- Color:
- Black
- Dia.:
- 13.8"
$431.99 $331.44 -
Attwood Marine Vent Line Surge Protector with 1675-6
Attwood Marine
$43.59 $25.12Attwood Marine Vent Line Surge Protector with 1675-6 Meets ABYC Standards. Helps avoid fuel spills because the surge helps automatic fuel nozzles shut off as the tank fills. Glass-filled...- Part Number:
- 23-16756
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 5/8" ID
- Size:
- 1-7/8" x 4-11/16"
$43.59 $25.12 -
Centek 3.00 Thru Hull (White With Fla 1200298
Centek
$145.79 $105.54Centek 3.00 Thru Hull (White With Fla 1200298- Part Number:
- 383-1200298
- Availability:
- In Stock - Ships same or next business day.
- Color:
- White
- Hose:
- 3"
- Length:
- 5-1/2"
$145.79 $105.54 -
Centek 3.00 x 3.50 Reducer Coupling 1200161
Centek
$84.69 $60.88Centek 3.00 x 3.50 Reducer Coupling 1200161 These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong,...- Part Number:
- 383-1200161
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 3" to 3-1/2"
- Length:
- 9-1/2"
$84.69 $60.88 -
Centek Combo-Sep 2" x 1.5" x 1.25 1040200
Centek
$1,707.69 $1,294.96Centek Combo-Sep 2" x 1.5" x 1.25 1040200The patented COMBO-SEP&trade, combines a Vernalift muffler and a highly efficient gas/water separator into a single space saving unit. Excellent for mid-range...- Part Number:
- 383-1040200
- Availability:
- In Stock - Ships same or next business day.
- Inlet:
- 2"
- Gas Outlet:
- 1-1/2"
- Water Drain:
- 1-1/4"
- Height:
- 20"
- Base:
- 10-1/2"
$1,707.69 $1,294.96 -
Centek Elbow - 90 Degree 1.5" 1200202
Centek
$92.99 $66.77Centek Elbow - 90 Degree 1.5" 1200202 These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong,...- Part Number:
- 383-1200202
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 1-1/2"
- Length:
- 5-1/8"
$92.99 $66.77 -
Centek Verna Ski-3" 45 Degree Inlet 1000216
Centek
$338.09 $254.33Centek Verna Ski-3" 45 Degree Inlet 1000216It is designed to fit in your boat for quick easy installation. For use above the waterline.- Part Number:
- 383-1000216
- Availability:
- In Stock - Ships same or next business day.
- Fig.:
- 1 - 45 Deg - Inlet
- Ports:
- 3"
- Dia.:
- 4.38"
- Length:
- 43"
$338.09 $254.33 -
CRC Fuel Stabilizer Gas Gallon 6164
CRC
$81.09 $65.77CRC Fuel Stabilizer Gas Gallon 6164 For all 2 and 4 cycle engines. Prevents fuel separation caused by ethanol. Keeps fuel fresh during storage, protects against corrosion, prevents gum and resin...- Part Number:
- 77-06164
- Availability:
- In Stock - Ships same or next business day.
- Size:
- Gallon
- Treats:
- 640 gal.
$81.09 $65.77
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.