Aftermarket Parts
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Sierra Condenser Prs(Strap)Mc3926324 18-5347
Sierra
$8.79 $7.71Sierra Condenser Prs(Strap)Mc3926324 18-5347- Part Number:
- 47-5347
- Availability:
- In Stock - Ships same or next business day.
$8.79 $7.71 -
Sold Out, please call for ETA.
Sierra Condensor Vp 4Cylinder 841262 18-5349
Sierra
$39.19 $29.63Sierra Condensor Vp 4Cylinder 841262 18-5349- Part Number:
- 47-5349
- Availability:
- In Stock - Ships same or next business day.
$39.19 $29.63 -
Sold Out, please call for ETA.
Sierra Connecting Rod 18-1756
Sierra
$0.00Sierra Connecting Rod 18-1756- Part Number:
- 47-1756
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Connecting Rod 18-4148-1
Sierra
$0.00Sierra Connecting Rod 18-4148-1- Part Number:
- 47-41481
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sierra Connector 18-8091
Sierra
$17.99 $14.34Sierra Connector 18-8091- Part Number:
- 47-8091
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- Hose - Male
- Fits:
- Mercury/Mariner
- Application:
- Mates with 18-80402
- Replaces:
- 22-13563Q7 -
22-13563T7 - Thread:
- -
- Hose:
- 3/8"
$17.99 $14.34 -
Sold Out, please call for ETA.
Sierra Contact Set Volvo(Bosch)243799 18-5305
Sierra
$18.99 $15.01Sierra Contact Set Volvo(Bosch)243799 18-5305- Part Number:
- 47-5305
- Availability:
- In Stock - Ships same or next business day.
$18.99 $15.01 -
Sold Out, please call for ETA.
Sierra Conversion Kit- Delco 6 Cylinder 18-5294
Sierra
$244.39 $172.35Sierra Conversion Kit- Delco 6 Cylinder 18-5294- Part Number:
- 47-5294
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Chrysler I/B - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Volvo - Fits 6 cylinder Delco distributors
$244.39 $172.35 -
Sold Out, please call for ETA.
Sierra Conversion Kit-Hp- Delco L4 18-5285
Sierra
$454.49 $339.25Sierra Conversion Kit-Hp- Delco L4 18-5285These conversion kits sense current levels in the coil and adjusts dwell to maintain peak energy throughout the entire RPM range. They develop on average 4 times more energy from 3000-5000 RPM's and twice as much...- Part Number:
- 47-5285
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser & OMC Sterndrive/Cobra - Fits 4 cylinder Delco distributors
$454.49 $339.25 -
Sierra Conversion Kit-Hp-Mal Yl-Yd V8 18-5290
Sierra
$467.09 $331.27Sierra Conversion Kit-Hp-Mal Yl-Yd V8 18-5290These conversion kits sense current levels in the coil and adjusts dwell to maintain peak energy throughout the entire RPM range. They develop on average 4 times more energy from 3000-5000 RPM's and twice as...- Part Number:
- 47-5290
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Most Mallory YL or YD 8 cylinder distributors with clockwise and counter clockwise rotation
$467.09 $331.27 -
Sold Out, please call for ETA.
Sierra Conversion Kit-Hp-Prest Screw 18-5289
Sierra
$395.29 $1.30Sierra Conversion Kit-Hp-Prest Screw 18-5289These conversion kits sense current levels in the coil and adjusts dwell to maintain peak energy throughout the entire RPM range. They develop on average 4 times more energy from 3000-5000 RPM's and twice as...- Part Number:
- 47-5289
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Most Prestolite V8 distributors with screw down cap
$395.29 $1.30 -
Sold Out, please call for ETA.
Sierra Conversion Kit-Mall Yl-Yd 8 Dp 18-5296-2D
Sierra
$0.00Sierra Conversion Kit-Mall Yl-Yd 8 Dp 18-5296-2D- Part Number:
- 47-52962D
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Most Mallory YL & YD 8 cylinder - with clockwise and counter clockwise rotating distributors
$0.00 -
Sold Out, please call for ETA.
Sierra Conversion Kit-Presto V8 Screw 18-5299
Sierra
$198.29 $1.30Sierra Conversion Kit-Presto V8 Screw 18-5299- Part Number:
- 47-5299
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Chris-Craft - Crusader - Pleasurecraft - Mercruiser - OMC Sterndrive/Cobra - Volvo - Most Prestolite V-8 distributors (includes snap down cap). Use with 5403 style rotor
$198.29 $1.30 -
Sold Out, please call for ETA.
Sierra Cover & Bushing Assmbly 434588 18-1729
Sierra
$0.00Sierra Cover & Bushing Assmbly 434588 18-1729- Part Number:
- 47-1729
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sierra Cover & Gasket Assy. 18-0993
Sierra
$18.59 $13.91Sierra Cover & Gasket Assy. 18-0993Replaces: Johnson/Evinrude 437228For all Johnson/Evinrude with primer valve (except 1993; 9.9 & 15 hp)- Part Number:
- 47-0993
- Availability:
- In Stock - Ships same or next business day.
$18.59 $13.91 -
Sold Out, please call for ETA.
Sierra Cover Nut OMC Oe# 911751 18-3768
Sierra
$0.00Sierra Cover Nut OMC Oe# 911751 18-3768- Part Number:
- 47-3768
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Crankshaft Seal Kit 18-4329
Sierra
$0.00Sierra Crankshaft Seal Kit 18-4329- Part Number:
- 47-4329
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Crankshaft Seal Kit 18-4332
Sierra
$0.00Sierra Crankshaft Seal Kit 18-4332- Part Number:
- 47-4332
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Cup (Use W/321027) 18-3562
Sierra
$0.00Sierra Cup (Use W/321027) 18-3562- Part Number:
- 47-3562
- Availability:
- In Stock - Ships same or next business day.
$0.00 -
Sold Out, please call for ETA.
Sierra Cup 18-3456
Sierra
$0.00Sierra Cup 18-3456- Part Number:
- 47-3456
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 6 (1986-00) - 8 (1984-05)
- Replaces:
- 6G1-44322-00-00
$0.00 -
Sold Out, please call for ETA.
Sierra Cup 55-1883 18-3358
Sierra
$3.24Sierra Cup 55-1883 18-3358- Part Number:
- 47-3358
- Availability:
- In Stock - Ships same or next business day.
$3.24
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.
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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.
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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
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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
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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
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- 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
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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.