Aftermarket Parts
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Sierra Sterling 2 Water Temp. I/O 63480P
Sierra
$73.49 $61.58Sierra Sterling 2 Water Temp. I/O 63480PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are scratch resistant.- Part Number:
- 11-63480P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Temperature - Electric
- Dial Range:
- 120-240 F
- Sender Code:
- D
$73.49 $61.58 -
Sierra Sterling Ob H2O Pres Kit 30Psi 63481P
Sierra
$146.79 $121.07Sierra Sterling Ob H2O Pres Kit 30Psi 63481PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are scratch resistant.- Part Number:
- 11-63481P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Pressure - Fittings & 20' of Tubing
- Dial Range:
- 30 PSI
- Sender Code:
- WP included
$146.79 $121.07 -
Sierra Sterling Oil Pressure0-80 Psi 63479P
Sierra
$58.79 $49.67Sierra Sterling Oil Pressure0-80 Psi 63479PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are scratch resistant.- Part Number:
- 11-63479P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Oil Pressure - Electrical
- Dial Range:
- 0-80 psi
- Sender Code:
- C
$58.79 $49.67 -
Sierra Sterling Tachometer Gas 7000 Rpm 63473P
Sierra
$146.29 $100.74Sierra Sterling Tachometer Gas 7000 Rpm 63473PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are scratch resistant.- Part Number:
- 11-63473P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tach - Elect - Outboard & 4-Stroke Gas
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$146.29 $100.74 -
Sierra Sterling Trim-Yamaha 2001+ 63482P
Sierra
$58.39 $49.37Sierra Sterling Trim-Yamaha 2001+ 63482PBlack graphics on a brushed aluminum dial background. Pointers are black. Perimeter lighting is provided for night visibility. Domed glass convex lenses are scratch resistant.- Part Number:
- 11-63482P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Trim - Mariner/Merc/Cobra/Volvo Dp - SX - Yamaha 2001 & on
- Dial Range:
- Up-Down
- Sender Code:
- Engine Mfg.
$58.39 $49.37 -
Sold Out, please call for ETA.
Sierra Thermostat - Crusader# 96358 18-3552
Sierra
$23.68Sierra Thermostat - Crusader# 96358 18-3552- Part Number:
- 47-3552
- Availability:
- In Stock - Ships same or next business day.
$23.68 -
Sierra Thermostat Kit 18-3676
Sierra
$43.89 $35.07Sierra Thermostat Kit 18-3676- Part Number:
- 47-3676
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Thermostat Kit - (O-ring - gasket and thermostat) Replaces OEM # 3853983-9
$43.89 $35.07 -
Sierra Thermostat Kit 3856961 18-3677
Sierra
$36.99 $30.99Sierra Thermostat Kit 3856961 18-3677- Part Number:
- 47-3677
- Availability:
- In Stock - Ships same or next business day.
- Description:
- T-Stat Kit (160 Deg -) : OMC 4.3l - 5.0l & 5.8l '94-'97/ 4.3HO '91-'97/5. 8EFI '93-'97 / Volvo 4.3GL/GS/Gi - 5.0FL/Fi - 5.7GL/Gi & 5.8FL/Fi/Fsi
$36.99 $30.99 -
Sierra Thermostat Kit-Marine Power 3.0L 18-3650
Sierra
$40.99 $30.87Sierra Thermostat Kit-Marine Power 3.0L 18-3650- Part Number:
- 47-3650
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Includes: Thermostat Gasket O.E.# 27-47590-1 - Thermostat: O.E.# 59078
$40.99 $30.87 -
Sierra Thermostat Yamaha # 60V-12411-00 18-3525
Sierra
$48.19 $39.95Sierra Thermostat Yamaha # 60V-12411-00 18-3525Items ending in "D" are Display Packaged- Part Number:
- 47-3525
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 60V-12411-00
$48.19 $39.95 -
Sierra Tilt And Trim Motor 18-6777
Sierra
$501.59 $351.23Sierra Tilt And Trim Motor 18-6777- Part Number:
- 47-6777
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Chrysler: 818903A1 -819762A4-A7 -819479A1 -819480A1 -81977A8-A9 - 822870A1 -830250A3-T3 -832021A1-T4-A2-T2 -855654A1-T2 - 19217A1-A5
Mercury: 818903A1 -819762A4-A7 -819479A1 -819480A1 -81977A8-A9 - 822870A1 -830250A3-T3 -832021A1-T4-A2-T2 -855654A
$501.59 $351.23 -
Sierra Trim Motor 18-6773
Sierra
$371.09 $262.34Sierra Trim Motor 18-6773- Part Number:
- 47-6773
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Mercury/Mariner - 828708 - 878265A4
$371.09 $262.34 -
Sierra Tuneup Kit Mcomc/Yam 811635Q2 18-5280
Sierra
$28.39 $21.83Sierra Tuneup Kit Mcomc/Yam 811635Q2 18-5280Tune up kits include cap and rotor.- Part Number:
- 47-5280
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 4 Cylinder
- Application:
- Crusader - Indmar - Mercruiser - OMC - Yamaha
$28.39 $21.83 -
Sold Out, please call for ETA.
Sierra U-Joint Assembly MerCruiser #814819A 2 18-9218
Sierra
$661.00Sierra U-Joint Assembly MerCruiser #814819A 2 18-9218- Part Number:
- 47-9218
- Availability:
- In Stock - Ships same or next business day.
$661.00 -
Sierra V-Belt 46In 18-15460
Sierra
$47.79 $31.64Sierra V-Belt 46In 18-15460High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords.Cogs are molded to precise engineering tolerances to...- Part Number:
- 47-15460
- Availability:
- In Stock - Ships same or next business day.
- Eff. Length:
- 46"
- Top Width:
- 29/64"
- OEM #:
- 57-48120A1 - OMC 310953 - 909971 - Volvo 829207 - 950818
$47.79 $31.64 -
Sold Out, please call for ETA.
Sierra V-Belt 48In Vp-Mc 18-15480
Sierra
$37.99 $26.63Sierra V-Belt 48In Vp-Mc 18-15480High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords.Cogs are molded to precise engineering...- Part Number:
- 47-15480
- Availability:
- In Stock - Ships same or next business day.
- Eff. Length:
- 48"
- Top Width:
- 29/64"
- OEM #:
- 57-48122
$37.99 $26.63 -
Sierra V-Belt Mc57-49213Q1/OMC 311046 18-15440
Sierra
$44.39 $29.71Sierra V-Belt Mc57-49213Q1/OMC 311046 18-15440High strength synthetic cords resist shockload failure.The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords.Cogs are molded to precise...- Part Number:
- 47-15440
- Availability:
- In Stock - Ships same or next business day.
- Eff. Length:
- 44"
- Top Width:
- 29/64"
- OEM #:
- 57-49213A1 - 57-45856 - OMC 311046
$44.39 $29.71 -
Sierra Vst Filter-Yamaha #60V-24251-01-00 18-79907
Sierra
$108.59 $94.87Sierra Vst Filter-Yamaha #60V-24251-01-00 18-79907- Part Number:
- 47-79907
- Availability:
- In Stock - Ships same or next business day.
- Application:
- LZ150(2005) - VZ150(2005-10) - Z150(2005) - VZ175(2005-10) - Z175(2005) - LZ200(2005-10) - VZ200(2005-09) - Z200(2005-10) - VZ225(2005-09) - LZ250(2005) - VZ250(2005-09) - Z250(2005) - LZ300(2005-06) - VZ300(2005-09) - Z300(2005-06)
- OEM #:
- Yamaha 60V-24251-01-00
$108.59 $94.87 -
Sierra Wire Separator-Black 18-28151
Sierra
$10.09 $8.03Sierra Wire Separator-Black 18-28151- Part Number:
- 47-28151
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
$10.09 $8.03 -
Sold Out, please call for ETA.
Sierra Wire Set MerCruiser 5.7-6.2L T-Bolt 18-8834-1
Sierra
$108.69 $80.39Sierra Wire Set MerCruiser 5.7-6.2L T-Bolt 18-8834-1Magnetic 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:
- 47-88341
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 350 Mag MPI MIE Gen+ - 8 cylinder - Mercury HEI ignition
$108.69 $80.39
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.