Aftermarket Parts
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NGK Spark Plugs 2318 Spark Plug Iridium 2318
NGK Spark Plugs
$17.29 $9.70NGK Spark Plugs 2318 Spark Plug Iridium 2318Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.Fine-tipped iridium-center electrode ensures high durability...- Part Number:
- 41-BR6FIX
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 2318
- Pack:
- 4
$17.29 $9.70 -
NGK Spark Plugs B8Hs-10 Spark Plug 5126
NGK Spark Plugs
$5.59 $3.18NGK Spark Plugs B8Hs-10 Spark Plug 5126Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-B8HS10
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 5126
- Pack:
- 4
- Pkg.:
- Boxed
$5.59 $3.18 -
Seachoice Alpha One Gen 2 Kit Aluminum 50-95021
Seachoice
$69.99 $59.99Seachoice Alpha One Gen 2 Kit Aluminum 50-95021 Cadmium free, environmentally friendly. • Aluminum: For salt and brackish waterConform to: Mil-Spec A-24779(SH) • Magnesium: For freshwater onlyConform to: Mil-Spec...- Part Number:
- 50-95021
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Aluminum
$69.99 $59.99 -
Sierra 310984 OMC Gasket 18-2881
Sierra
$2.89 $2.09Sierra 310984 OMC Gasket 18-2881- Part Number:
- 47-2881
- Availability:
- In Stock - Ships same or next business day.
$2.89 $2.09 -
Sierra C-Thermostat Kit-MerCruiser #807252Q 4 18-3668
Sierra
$48.29 $30.78Sierra C-Thermostat Kit-MerCruiser #807252Q 4 18-3668- Part Number:
- 47-3668
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 807252T4 - 807252Q4
$48.29 $30.78 -
Sierra Eng Coupler MerCruiser 55 1446 18-2171
Sierra
$323.89 $210.42Sierra Eng Coupler MerCruiser 55 1446 18-2171- Part Number:
- 47-2171
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Replaces: 76850A2 - For all GM engines except MR/ALPHA/BRAVO with "Triangular" - 3-Bolt coupler
$323.89 $210.42 -
Sierra Exhaust Manifold Gasket Setsm Blkv8M- 18-4349
Sierra
$37.69 $26.59Sierra Exhaust Manifold Gasket Setsm Blkv8M- 18-4349- Part Number:
- 47-4349
- Availability:
- In Stock - Ships same or next business day.
$37.69 $26.59 -
Sierra Riser Spacer Kit-3 Marine Power 18-1908K
Sierra
$442.69 $356.36Sierra Riser Spacer Kit-3 Marine Power 18-1908K- Part Number:
- 47-1908K
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Marine Power small block V8 305 - 350 - 4.3L - 454 - 5.0L - 7.4L & 8.2L. Complete with mounting hardware and 3" center rise. Use with manifold 19521
$442.69 $356.36 -
Sierra Wire Set MerCruiser 5.0L-5.7L T-Bolt 18-8821-1
Sierra
$83.69 $61.47Sierra Wire Set MerCruiser 5.0L-5.7L T-Bolt 18-8821-1Magnetic 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:
- 47-88211
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser - 350 Mag Ski - 5.0L Alpha & Bravo Generation II - 8 cylinder - Thunderbolt ignition
$83.69 $61.47 -
Uflex Uflex Hydraulic Oil- 1 Quart Oil 15
Uflex
$32.99 $24.56Uflex Uflex Hydraulic Oil- 1 Quart Oil 15Specially formulated for peak steering efficiency and component longevity, aircraft grade Oil 15 from Uflex is recommended for use with all Uflex steering helms and cylinders.- Part Number:
- 216-OIL15
- Availability:
- In Stock - Ships same or next business day.
- Description:
- ISO VG15
- Size:
- Quart
$32.99 $24.56 -
SeaStar HK4300A-3 BayStar Compact Hydraulic Steering System Kit NO Hoses
Seastar
$1,071.09 $963.99Baystar Kit, HK4300A-3 Hydraulic Steering Kit without Tube Baystar Steering Kit: With mechanical steering you sacrifice a degree of comfort. Traditional hydraulic systems may be more than is needed on lower horsepower outboard engines. Built in the...- Part Number:
- 1-HK4300A3
- Availability:
- In Stock - Ships same or next business day.
- Includes:
- HH43143 Std Helm w/o Hoses
$1,071.09 $963.99 -
Martyr Anodes 3/8 Dia Pencil Zinc Only Cmez0
Martyr Anodes
$2.29 $1.49Martyr Anodes 3/8 Dia Pencil Zinc Only Cmez0No plug included.- Part Number:
- 194-CMEZ0
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3/8" x 1-3/4"
- Material:
- Zinc
$2.29 $1.49 -
NGK Spark Plugs 3478 Spark Plug 3478
NGK Spark Plugs
$16.99 $8.55NGK Spark Plugs 3478 Spark Plug 3478Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-CR8EK
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 3478
- Pack:
- 10
- Pkg.:
- Boxed
$16.99 $8.55 -
NGK Spark Plugs 6499 Spark Plug 6499
NGK Spark Plugs
$11.79 $6.46NGK Spark Plugs 6499 Spark Plug 6499Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life.•?Triple gasket sealing process...- Part Number:
- 41-LFR4AE
- Availability:
- In Stock - Ships same or next business day.
- Model #:
- 6499
- Pack:
- 10
- Pkg.:
- Boxed
$11.79 $6.46 -
Seachoice Alpha One Gen 2 Kit Mg Freshwater 50-95031
Seachoice
$99.99 $81.85Seachoice Alpha One Gen 2 Kit Mg Freshwater 50-95031 Cadmium free, environmentally friendly. • Aluminum: For salt and brackish waterConform to: Mil-Spec A-24779(SH) • Magnesium: For freshwater onlyConform to: Mil-Spec...- Part Number:
- 50-95031
- Availability:
- In Stock - Ships same or next business day.
- Material:
- Magnesium
$99.99 $81.85 -
Seachoice Marine Speedometer Pitot Kit 15391
Seachoice
$29.49 $20.85Seachoice Marine Speedometer Pitot Kit 15391 Kit Includes: • 20' PVC tubing • (1) Black plastic clam shell vent • (4) Black plastic tube holder • (6) Stainless steel self-tapping screws- Part Number:
- 50-15391
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Pitot Kit
$29.49 $20.85 -
Seachoice Tiller Rope Pulley W/Eye Stra 28501
Seachoice
$13.99 $12.78Seachoice Tiller Rope Pulley W/Eye Stra 28501 Pair of stainless steel and plastic pulleys with two stamped stainless steel eye strapsMaximum rope size: 1/4"OD of sheave: 2-5/16"3-3/4" overall length.- Part Number:
- 50-28501
- Availability:
- In Stock - Ships same or next business day.
- Pack:
- 1 pr.
$13.99 $12.78 -
Sierra Gasket-Water Pump GM 4.3L-5.7L 18-0891
Sierra
$0.89 $0.54Sierra Gasket-Water Pump GM 4.3L-5.7L 18-0891- Part Number:
- 47-0891
- Availability:
- In Stock - Ships same or next business day.
$0.89 $0.54 -
Sierra O Ring OMC303360 MerCruiser 25-35027 18-7117
Sierra
$2.89 $1.19Sierra O Ring OMC303360 MerCruiser 25-35027 18-7117- Part Number:
- 47-7117
- Availability:
- In Stock - Ships same or next business day.
$2.89 $1.19 -
Uflex Control Cable Merc Gen II C36
Uflex
$41.99 $35.33Uflex Control Cable Merc Gen II C36 Heavy duty 18 laywire conduit for long life & high efficiency. For Mercury® and Mercruiser® engines and Mercury® Generation II&trade, series controls. Stroke: 3.3" (85 mm).- Part Number:
- NW-216C36
- Availability:
- In Stock - Ships same or next business day.
$41.99 $35.33