Aftermarket Parts
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Sierra Water Pump Kit-Chrysler/Force 18-3240
Sierra
$30.29 $24.99Sierra Water Pump Kit-Chrysler/Force 18-3240- Part Number:
- 47-3240
- Availability:
- In Stock - Ships same or next business day.
$30.29 $24.99 -
Sierra Water Pump W-Hsg Yam 115-300Hp 18-3523-1
Sierra
$126.79 $94.73Sierra Water Pump W-Hsg Yam 115-300Hp 18-3523-1Refer to Sierra's Catalog for more information.- Part Number:
- 47-35231
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 68V-W0078-00 & 61A-44311-01
$126.79 $94.73 -
Sierra Wire Set GM 8.1L V8 18-8826-1
Sierra
$127.59 $98.04Sierra Wire Set GM 8.1L V8 18-8826-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine performancePremium...- Part Number:
- 47-88261
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chrysler I/B - 318 - 340 - 360 - 8 cylinder - electronic & conventional ignition
$127.59 $98.04 -
Sierra Wire Set-Mag MerCruiser V6 O/B 18-28086
Sierra
$120.99 $91.90Sierra Wire Set-Mag MerCruiser V6 O/B 18-28086- Part Number:
- 47-28086
- Availability:
- In Stock - Ships same or next business day.
- Application:
- V6 EFI/DFI/DTS
- Replaces:
- 84-881908T (6 wires)
$120.99 $91.90 -
STA-BIL Diesel Stabilizer 32oz 22254
STA-BIL
$29.99 $26.99STA-BIL Diesel Stabilizer 32oz 22254 Prevents sludge and sediment formation Cleans & lubricates fuel injectors to improve performance Helps remove water that microbes and algae require for growth Recommended for use at every fill up...- Part Number:
- 269-22254
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 32 oz.
- Treats:
- 320 gal.
$29.99 $26.99 -
Sold Out, please call for ETA.
Starbrite Diesel Water Absorber 16 Oz. 84616
Starbrite
$28.39 $20.09Starbrite Diesel Water Absorber 16 Oz. 84616 • Absorbs free water from diesel fuel and allows it to be safely burned away• Helps prevent corrosion of fuel delivery system and costly repairs- Part Number:
- 74-84616
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 16 fl. oz.
- Treats:
- 275 gal.
$28.39 $20.09 -
Starbrite Fuel System/Inject Cleaner 4Oz 96604
Starbrite
$11.59 $7.99Starbrite Fuel System/Inject Cleaner 4Oz 96604 • Engineered to remove tough deposits in fuel systems Cleans Injectors, carburetors, fuel pumps, valves & rings Simple to use, add to fuel and run engine Combines Star Tron enzymes with powerful...- Part Number:
- 74-96604
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 4 oz.
- Treats:
- 40 gal
$11.59 $7.99 -
Starbrite Gas Storage Additive-8 Oz (W) 84308
Starbrite
$15.89 $10.35Starbrite Gas Storage Additive-8 Oz (W) 84308 • Protects gas and engine components during storage• For inboard and outboard gas engines• Eliminates need to fog engine• Prevents corrosion of fuel tank and delivery system•...- Part Number:
- 74-84308
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz.
- Treats:
- 40 gal.
$15.89 $10.35 -
Starbrite Star Tron Gas Additive 16Oz 93016
Starbrite
$30.39 $23.39Starbrite Star Tron Gas Additive 16Oz 93016 • Cures & prevents ethanol fuel problems• Makes any engine run more smoothly, start more easily• Eliminates & prevents gum, varnish and carbon deposits• Stabilizes fuel, helps...- Part Number:
- 74-93016
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 16 oz.
- Treats:
- 256 gal.
$30.39 $23.39 -
Starbrite Star Tron Gas Additive Gallon 93000
Starbrite
$174.69 $113.81Starbrite Star Tron Gas Additive Gallon 93000 • Cures & prevents ethanol fuel problems• Makes any engine run more smoothly, start more easily• Eliminates & prevents gum, varnish and carbon deposits• Stabilizes fuel, helps...- Part Number:
- 74-93000
- Availability:
- In Stock - Ships same or next business day.
- Size:
- Gallon
- Treats:
- 2048 gal.
$174.69 $113.81 -
Starbrite Star Tron Tank Cleaner 64 Oz 93664
Starbrite
$53.42Starbrite Star Tron Tank Cleaner 64 Oz 93664 • Gasoline and diesel fuel tank cleaner for the tank that has extremely heavy sludge and related deposits before starting on a regular Star tron treatment program• Will safely clean fuel tank walls...- Part Number:
- 74-93664
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 64 oz.
- Treats:
- 250 gal.
$53.42 -
Sold Out, please call for ETA.
Uflex Dual Rkd Lever/Single Fnction/Fls B46
Uflex
$607.79 $449.99Uflex Dual Rkd Lever/Single Fnction/Fls B46 Two lever/ single action for shift OR throttle. Flush mount suitable for exposed positions such as flying bridge Made of marine aluminum with chrome plated lever Available with straight or bent...- Part Number:
- 216-B46
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Throttle and shift
- Type:
- Bent Lever
$607.79 $449.99 -
Uflex Helm-Front Mount 1.5Ci Up25Fm
Uflex
$776.19 $699.99Uflex Helm-Front Mount 1.5Ci Up25Fm Front mount helms are drop-in replacements for SeaStar® Helm. Compact design Built-in lock valve for positive rudder lock Integral relief valve for over-pressure protection Compatible with Teleflex...- Part Number:
- 216-UP25FM
- Availability:
- In Stock - Ships same or next business day.
- Volume:
- 1.5ci
- Pistons:
- 5
- Max Wheel:
- 28"
$776.19 $699.99 -
Uflex Racktech R&P Tilt Helm Single G96
Uflex
$163.39 $124.99Uflex Racktech R&P Tilt Helm Single G96 The G86 standard, and the G96 standard tilt pinion helms are for use with the M86 Rack and Pinion Cable. Ideal for outboards or boats with moderate torque. Not for use on applications where the horsepower...- Part Number:
- 216-G96
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Standard Tilt Helm
$163.39 $124.99 -
Uflex RackTech Steering System
Uflex
$185.99Uflex RackTech Steering System The Racktech package is an ideal replacement system for ski boats, power assisted sterndrives and other applications of minimal rudder torque. Featuring a stainless flat wrap cable, this system delivers smooth steering with...- Part Number:
- NW-216RACKTECH
- Availability:
- In Stock - Ships same or next business day.
$185.99 -
Uflex Rotech Dual Cable Rotary Helm T72Fc
Uflex
$216.39 $154.99Uflex Rotech Dual Cable Rotary Helm T72Fc Featuring the Planetary Gear design, the T71FC single cable helm and T72FC dual cable helm will deliver responsive steering with reduced rudder torque. Ideal for boats with power assisted steering or minimal...- Part Number:
- 216-T72FC
- Availability:
- In Stock - Ships same or next business day.
- Type:
- Dual cable
$216.39 $154.99 -
Uflex SilverSteer Universal Front Mount Outboard Hydraulic Steering System w/ UC128-SVS-1 Cylinder SILVERSTEER1.0B
Uflex
$1,397.99 $1,299.99Uflex Steering Sys-Hyd Hi Perf Ob V1 Silversteer10B Designed for high performance applications with extreme rudder torque loads, the SilverSteer is the perfect solution. Bass boats, flats boats, tournament fishing boats will steer effortlessly with the...- Part Number:
- 216-SILVERSTEER10B
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Helm: Single engine 350 hp
- PSI:
- 1500
$1,397.99 $1,299.99 -
Uflex Steering Wheel-Black Grip Black Grimani B/S/Ve
Uflex
$309.09 $239.99Uflex Steering Wheel-Black Grip Black Grimani B/S/Ve All Ultraflex steering wheels meet the EEC directive 94/25 requirements about pleasure boats and are CE marked in conformity with the EN 28848 - EN 29775 and ABYC P22 safety standards. Standard...- Part Number:
- 216-GRIMANIBSVE
- Availability:
- In Stock - Ships same or next business day.
- Grip:
- Polyurethane w/inserts
- Color:
- Black
- Spokes:
- Silver
- Dia.:
- 13.8"
$309.09 $239.99 -
Arco Marine Replacement Tilt Trim Motor for 4-Stroke Yamaha 6KA-43880 (200-300HP 2020 – present) 6330
Arco
$499.00 $419.99Replacement Tilt Trim Motor for Yamaha 6KA-43880 Fits Yamaha 200-300HP, 2020 – present, 4-Stroke engines, 2-wire connection, 3-bolt mount, Includes O-ring, Ring Terminal Ends. Replaces Part Numbers: YAMAHA 6KA-43880-00-00 YAMAHA...- Part Number:
- 57-6330
- Availability:
- In Stock - Ships same or next business day.
$499.00 $419.99 -
Attwood Marine Carb Canister-Heatshield 220Ga 99Cc085Hsa1S
Attwood Marine
$196.57 $144.99Attwood Marine Carb Canister-Heatshield 220Ga 99Cc085Hsa1S 99CC0351S: Trailerable Vessel Capacity: 28 Gallon Non-Trailerable Vessel Capacity: 44 Gal.99C0451S: Trailerable Vessel Capacity: 70 Gallon Non-Trailerable Vessel Capacity: 110 Gal.99CC045HSA1S:...- Part Number:
- 23-99CC085HSA1S
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Carbon Canister for
Engine Compartment - Size:
- 17-3/4" H x 4-5/64" W x 5-11/16" L
$196.57 $144.99
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.