Aftermarket Parts
-
Sierra Wire Set GM 5.0L-5.7L Conv 18-8802-1
Sierra
$92.29 $69.66Sierra Wire Set GM 5.0L-5.7L Conv 18-8802-1Magnetic 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:
- 47-88021
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 5.7L SKI - 8 cylinder - conventional ignition. OMC - 5.0L ('82-'88) - 5.7L ('82-'89) - 5.7L King cobra ('88) - 185 ('75-'80) - 200 ('79-'81) - 225 ('78) - 225 ('78 M models) - 230 ('79-'81) - 230 I/B LH & RH ('76) - 260 ('79-'81 models w
$92.29 $69.66 -
Sierra Wire-9In Hi Perf Plug-MerCruiser 18-5228-1
Sierra
$33.09 $21.26Sierra Wire-9In Hi Perf Plug-MerCruiser 18-5228-1Magnetic 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:
- 47-52281
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercury/Mariner - 9" wire
$33.09 $21.26 -
Starbrite Bilge Oil Pads 3/8 5 Pack - 17X19 91845
Starbrite
$16.39 $10.81Starbrite Bilge Oil Pads 3/8 5 Pack - 17X19 91845 • The most effective way to clean up or avoid an oil or fuel spill• Quickly absorbs oil and fuel, but will not absorb water• Made of high-quality, virgin materials, will not unravel•...- Part Number:
- 74-91845
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 17" x 19" x 3/8"
- Pack:
- 5
$16.39 $10.81 -
Starbrite Gear Lube-Syn Blend 80W90 1Gallon 27200
Starbrite
$73.39 $65.16Starbrite Gear Lube-Syn Blend 80W90 1Gallon 27200 • Synthetic Blend for API GL-5, MT-1 service SAE J2360, Mack GO-J• For long term performance synthetics are the best choice• Special extreme pressure and anti-wear additives Recommended...- Part Number:
- 74-27200
- Availability:
- In Stock - Ships same or next business day.
- Grade:
- 80W90
- Size:
- Gal.
$73.39 $65.16 -
Starbrite Oil Absorbant Maxi Boom 86805
Starbrite
$31.69 $22.01Starbrite Oil Absorbant Maxi Boom 86805 • Absorbs oil in bilge so remaining water may legally be pumped overboard• Made of material used to clean up major oil spills• Tie-downs keep boom in place• Will absorb 2 quarts of oil and yet...- Part Number:
- 74-86805
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 4" x 15"
$31.69 $22.01 -
Uflex Helm Svs Fm 1.5Ci 1500psi Up25F-Svs
Uflex
$839.19 $701.65Uflex Helm Svs Fm 1.5Ci 1500psi Up25F-Svs SilverSteer&trade, SVS helms have been specifically designed for high torque applications such as bass boats, flats boats, and boats with shallow dead rise and high horsepower. Ball bearing piston...- Part Number:
- 216-UP25FSVS
- Availability:
- In Stock - Ships same or next business day.
- Mount:
- Front
- Volume:
- 1.5ci
- Pistons:
- 5
- Max Wheel:
- 28"
$839.19 $701.65 -
Uflex Hose Kit 24' with Fitting 2/Bx Kitobbhbr-24'
Uflex
$377.79 $345.22Uflex Hose Kit 24' with Fitting 2/Bx Kitobbhbr-24' Save time and money by using Kit OB BHBR hoses to connect the helm and cylinder without a remote bulkhead fitting. The inline bulkhead bend restrictors provide a water resistant through hull passage of...- Part Number:
- 216-KITOBBHBR24
- Availability:
- In Stock - Ships same or next business day.
- Length:
- 24'
- Box:
- 2
$377.79 $345.22 -
Sold Out, please call for ETA.
Uflex Paddle Trim-Dual Switch Kit Pts-2
Uflex
$429.28 $302.69Uflex Paddle Trim-Dual Switch Kit Pts-2 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 answer. Adaptable to existing front mount hydraulic...- Part Number:
- 216-PTS2
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Dual switch kit
$429.28 $302.69 -
Uflex Steering Wheel-Black 3-Sp Softgrip V45
Uflex
$99.99 $79.06Uflex Steering Wheel-Black 3-Sp Softgrip V45 Thermoplastic antishock material Fits standard 3/4" tapered shaft Complete with hub- Part Number:
- 216-V45
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Dia.:
- 11"
$99.99 $79.06 -
Attwood Marine 3-Gallon Gas Tank with Ga Epa/Carb 8803Lpg2
Attwood Marine
$94.50 $74.34Attwood Marine 3-Gallon Gas Tank with Ga Epa/Carb 8803Lpg2 EPA/CARB COMPLIANTFuel tanks are constructed of multi-layer coextruded HDPE and EVOH. Multi-layer tanks are the most robust and durable low-permeation tanks available and meet the functional and...- Part Number:
- 23-8803LPG2
- Availability:
- In Stock - Ships same or next business day.
- Gals.:
- 3 w/ Gauge
- Size:
- 16.6" L x 11.45" W x 7.3" H
$94.50 $74.34 -
Attwood Marine 4" Motor Well Boot 12820-5
Attwood Marine
$12.79 $8.70Attwood Marine 4" Motor Well Boot 12820-5 Black rubber, UV-resisitant motor well boot provides protection for control cables, wires, or fuel lines. Split side allows for installation without disconnecting controls. Includes an attachment gasket ring and...- Part Number:
- 23-128205
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- 4" dia.
$12.79 $8.70 -
Centek 3.00 Vernalift Side In/Top Out 1500034
Centek
$473.59 $349.00Centek 3.00 Vernalift Side In/Top Out 1500034Extremely effective in reducing engine exhaust noise and preventing water from returning to the engine. High strength design provides a significant safety margin over other existing fiberglass lift mufflers...- Part Number:
- 383-1500034
- Availability:
- In Stock - Ships same or next business day.
- A1:
- 3
- A2:
- 3
- B:
- 3
- D:
- 10.04
- E:
- 6.5
- F:
- 2.5
$473.59 $349.00 -
Centek 3.00 x 3.00 x 4.00 Branch Y 1200256
Centek
$390.39 $280.45Centek 3.00 x 3.00 x 4.00 Branch Y 1200256These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong, non-corroding and durable.- Part Number:
- 383-1200256
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 3" x 3" x 4"
- Length:
- 14"
$390.39 $280.45 -
Centek 6.00 Vernatone Round Muffler 1000111
Centek
$1,325.19 $1,016.42Centek 6.00 Vernatone Round Muffler 1000111 They are the original and most copied FRP wet muffler in the marine industry. Designed for gasoline or diesel engines, minimizes added back pressure, and will not rust or corrode. Constructed of fire...- Part Number:
- 383-1000111
- Availability:
- In Stock - Ships same or next business day.
- Ports:
- 6"
- Dia.:
- 12.20"
- Length:
- 41.50"
$1,325.19 $1,016.42 -
Centek Elbow - 90 Degree 6" 1200162
Centek
$366.79 $270.13Centek Elbow - 90 Degree 6" 1200162These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube. Fittings, couplings and elbows are lightweight, strong, non-corroding and durable.- Part Number:
- 383-1200162
- Availability:
- In Stock - Ships same or next business day.
- OD:
- 6"
- Length:
- 14"
$366.79 $270.13 -
Centek Muffler- Vernalift 2X2 Top In 1500009
Centek
$392.49 $287.90Centek Muffler- Vernalift 2X2 Top In 1500009 8.36 dia. Vernalift MufflerTop In/Top out Extremely effective in reducing engine exhaust noise and preventing water from returning to the engine. High strength design provides a significant safety margin...- Part Number:
- 383-1500009
- Availability:
- In Stock - Ships same or next business day.
- A1:
- 2
- A2:
- 2
- B:
- 2.5
- D:
- 8.36
- F:
- 2
- H:
- 8
$392.49 $287.90 -
Jabsco Cooling Pump V8-375 Hp 7420-1001
Jabsco
$1,063.89 $794.45Jabsco Cooling Pump V8-375 Hp 7420-1001 Mid-size pump with vertical oriented ports. Self-priming to 10 ft vertical lift Full thickness cam, mechanical seal, short stainless steel shaft Neoprene impeller; Marine engine cooling for engine...- Part Number:
- 6-74201001
- Availability:
- In Stock - Ships same or next business day.
- GPM:
- 62 @1750rpm
$1,063.89 $794.45 -
Jabsco Green Impeller 63030007 24/Bx 6303000724
Jabsco
$1,304.19 $918.25Jabsco Green Impeller 63030007 24/Bx 6303000724- Part Number:
- 6-6303000724
- Availability:
- In Stock - Ships same or next business day.
- Fig.:
- H
- Type:
- Grn. Polyurethane (24 Pk)
- Blades:
- 6
- Size:
- 2"
- Depth:
- 7/8"
- Drive Type:
- 4
$1,304.19 $918.25 -
Jabsco Impeller Green 6303-0007-P
Jabsco
$70.99 $48.57Jabsco Impeller Green 6303-0007-P- Part Number:
- 6-63030007P
- Availability:
- In Stock - Ships same or next business day.
- Fig.:
- H
- Type:
- Grn Polyurethane
- Blades:
- 6
- Size:
- 2"
- Depth:
- 7/8"
- Drive Type:
- 4
$70.99 $48.57 -
Martyr Anodes 1 1/2 Zinc Lc Anode Cmc07
Martyr Anodes
$25.69 $15.81Martyr Anodes 1 1/2 Zinc Lc Anode Cmc07Magnesium for fresh water, zinc for salt water.- Part Number:
- 194-CMC07
- Availability:
- In Stock - Ships same or next business day.
- ID:
- 1-1/2"
- OD:
- 3"
- Length:
- 1-1/4"
- Material:
- Zinc
$25.69 $15.81
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.