Aftermarket Parts
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Sierra White Premier Tachometer 7K Rpm 62561P
Sierra
$175.29 $119.60Sierra White Premier Tachometer 7K Rpm 62561PWhite dial; black graduations/numerals (metrics in blue); red pointerScratch resistant curved glass lenses; with polished stainless steel; near-flush bezelsU.S. and metric scales; with ISO symbols; where...- Part Number:
- 11-62561P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tachometer - O/B & 4-stroke gas
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$175.29 $119.60 -
Sierra Wire Kit -Universal Spark Plug 18-5225
Sierra
$44.39 $36.13Sierra Wire Kit -Universal Spark Plug 18-5225Kit includes 25' roll of 7mm Hypalon ignition wire with a metallic core and a large assortment of three different end fittings.- Part Number:
- 47-5225
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercury/Mariner - Johnson/Evinrude - Chrysler/Force - Honda - Nissan/Tohatsu - Suzuki - Yamaha - Chris-Craft - Chrysler I/B - Crusader - Pleasurecraft
- Replaces:
- Mercury 84-99215A26 -
84-813706A26
$44.39 $36.13 -
Sold Out, please call for ETA.
Sierra Wire Set Evin-John150-175Hp V6 18-8840-1
Sierra
$65.99 $59.51Sierra Wire Set Evin-John150-175Hp V6 18-8840-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...- Part Number:
- 47-88401
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Johnson/Evinrude - 150 & 175 hp O/B
$65.99 $59.51 -
Sierra Wire Set GM 3.0L Delco Est 18-8833-1
Sierra
$62.99 $45.40Sierra Wire Set GM 3.0L Delco Est 18-8833-1Magnetic 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:
- 47-88331
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 3.0LX - 4 cylinder - Delco EST ignition
$62.99 $45.40 -
Sierra Wire Set MerCruiser 3.7L L4 18-8808-2
Sierra
$83.99 $63.02Sierra Wire Set MerCruiser 3.7L L4 18-8808-2Magnetic 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:
- 47-88082
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 224 - 3.7L & 3.7XL - 4 cylinder - conventional ignition
$83.99 $63.02 -
Sierra Wire Set MerCruiser 350Mag Mie-Ski Est 18-8832-1
Sierra
$108.39 $80.15Sierra Wire Set MerCruiser 350Mag Mie-Ski Est 18-8832-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...- Part Number:
- 47-88321
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 350 Mag MPI MIE Gen+ - Delco HEI ignition - Black Scorpion Ski Gen+ - 350 cid - Delco HEI ignition - 454 cid EFI - Mag MPI and Horizon MIE - 8 cylinder - 502 Mag - 502 EFI & Mag MPI - 8 cylinder
$108.39 $80.15 -
Sierra Wire Set MerCruiser Black Scorpion 18-8822-1
Sierra
$90.41Sierra Wire Set MerCruiser Black Scorpion 18-8822-1Magnetic Suppression Core manufactured for your specific application.Kevlar® core for maximum durability and long lifeDurable stainless steel wound conductor for maximum horsepower and engine...- Part Number:
- 47-88221
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - Black Scorpion SKI - Gen+ - 350 - MX 6.2 Black Scorpion SKI - 8 cylinder - Delco HEI ignition
$90.41 -
STA-BIL Marine Formula (8 oz) Ethanol Treatment 22239
STA-BIL
$13.79 $9.19STA-BIL Marine Formula 8oz 22239 Ethanol Treatment & Performance Improver Extra corrosion protection & fuel system cleaning Recommended to be used at every fill up, not just for seasonal storage Double the corrosion preventers than in...- Part Number:
- 269-22239
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 8 oz.
- Treats:
- 80 gal.
$13.79 $9.19 -
Uflex Cable T/S 33C with SS Core C8
Uflex
$44.79 $40.17Uflex Cable T/S 33C with SS Core C8 Universal 33C style control cable with stainless steel 10-32 threaded end fittings. Features a full complement of lay wires for enhanced efficiency and durability. Direct replacement for Yamaha, Suzuki, Honda and other...- Part Number:
- NW-216C833C
- Availability:
- In Stock - Ships same or next business day.
$44.79 $40.17 -
Uflex Hose Kt-Svs with 2Bd Rst 2.5' 2/B Kitobdbrsvs25
Uflex
$213.19 $191.64Uflex Hose Kt-Svs with 2Bd Rst 2.5' 2/B Kitobdbrsvs25These short hoses are ideal for multiple cylinder/multiple engine installations as well as autopilot installations where short hydraulic lines are required and pressure will not exceed 1500 psi. They...- Part Number:
- 216-KITOBDBRSVS25
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 2-1/2'
- Box:
- 2
$213.19 $191.64 -
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 Single Lever/Single Function Side Mt B35
Uflex
$215.19 $162.15Uflex Single Lever/Single Function Side Mt B35 Side mount control features a stainless lever and flange with adjustable brake tension release and detents. Flush side mt. installation is particularly suitable for throttle control or hydraulic shift...- Part Number:
- 216-B35
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Single lever/single function
$215.19 $162.15 -
Attwood Marine Fuel Kitforce6'X3/8Usc 93806Fus7
Attwood Marine
$79.19 $53.39Attwood Marine Fuel Kitforce6'X3/8Usc 93806Fus7EPA COMPLIANTFuel kit with multi-layer primer bulb and universal sprayless connector. Ethanol compatible. EPA certified compliant hose. Attwood universal sprayless connector prevents fuel spray when...- Part Number:
- 23-93806FUS7
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Force
- Size:
- 3/8" x 6'
$79.19 $53.39 -
On Sale
Attwood Marine Fuel Line Splice Kit 3/8 11822-6
Attwood Marine
$13.79 $7.06Attwood Marine Fuel Line Splice Kit 3/8 11822-6Kit includes brass hose mender and 2 stainless steel hose clamps.NOT TO BE USED IN POTABLE WATER SYSTEMS.- Part Number:
- 23-118226
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3/8"
$13.79 $7.06 -
Attwood Marine Fuel Tank Fitting Merc 3/8" 14534-6
Attwood Marine
$23.59 $12.65Attwood Marine Fuel Tank Fitting Merc 3/8" 14534-6 Attwood fuel tank fittings and hose fittings are suitable for use with leaded, unleaded, ethanol blended and alcohol-blended fuels. Clamps are not included. Use thread sealant tape on all threads.LP=...- Part Number:
- 23-145346
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose Fitting Twist-Lock - Female
- Fits:
- 88926 - 145076 - 145306
- Material:
- Die cast Zinc/ Brass
- Thread:
- -
- Hose:
- 3/8" ID
- OEM #:
- -
$23.59 $12.65 -
Attwood Marine Fuel/Oil Mixing Bottle 11873-1
Attwood Marine
$13.69 $4.07Attwood Marine Fuel/Oil Mixing Bottle 11873-1Allows the addition of the exact amount of oil required for a 2 cycle engineOil level marks are in gallons and litersDetermines ratios for 100:1, 50:1, 24:1, and 10:1 mixesWide mouth, quart size bottle- Part Number:
- 23-118731
- Availability:
- In Stock - Ships same or next business day.
- Size:
- Quart
$13.69 $4.07 -
Attwood Marine Motor Flusher 16205-2
Attwood Marine
$15.79 $7.56Attwood Marine Motor Flusher 16205-2 Quickly flushes away salt, sand, silt and alkali to prevent clogging and corrosion. The flusher attaches easily to an ordinary garden hose. Reinforced polypropylene. self-ajusting clamping yoke fits most domestic or...- Part Number:
- 23-162052
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Round with metal body
$15.79 $7.56 -
Attwood Marine Motor Flusher Plastic Body 9372-2
Attwood Marine
$19.22 $9.13Attwood Marine Motor Flusher Plastic Body 9372-2 Quickly flushes away salt, sand, silt and alkali to prevent clogging and corrosion. The flusher attaches easily to an ordinary garden hose. Reinforced polypropylene. self-ajusting clamping yoke fits most...- Part Number:
- 23-93722
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Round with plastic body
$19.22 $9.13 -
Attwood Marine Primer Bulb Low-Perm 5/16 93516Lp7
Attwood Marine
$34.24 $20.48Attwood Marine Primer Bulb Low-Perm 5/16 93516Lp7 EPA COMPLIANT/CARB CERTIFIEDMulti layer bulb designed for high performance priming in the harsh marine environment. Multi-layer design prevents over-pressure bursting and vacuum collapse preventing...- Part Number:
- 23-93516LP7
- Availability:
- In Stock - Ships same or next business day.
- Hose:
- 5/16" ID
$34.24 $20.48 -
Attwood Marine Soft Grip Steering Wheel with Cap 8315-4
Attwood Marine
$67.36 $39.77Attwood Marine Soft Grip Steering Wheel with Cap 8315-4 Ideal for bass boats and runabouts. Comfortable firm grip, soft, black PVC outer rim and high-impact, one-piece plastic inner core. Non-magnetic. Black plastic center cap. Fits standard 3/4" shaft...- Part Number:
- 23-83154
- Availability:
- In Stock - Ships same or next business day.
- Dia.:
- 13"
$67.36 $39.77
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.