Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Engine Parts & Maintenance

Marine engine parts and maintenance supplies for inboard, sterndrive, outboard, gasoline and diesel applications.

Shop all products ↓

Shop by engine brand

Engine parts guide ↗Need help? Ask our Parts Desk ↗

Filters

Yamaha Outboard Thermostat – 6AW-12411-00-00

$89.47 - $89.47
$89.47
$89.47 - $89.47
$89.47
In stock

The Yamaha 6AW-12411-00-00 Thermostat is a genuine OEM cooling system component designed to regulate engine temperature in Yamaha outboard motors. ...

View full details
$89.47 - $89.47
$89.47
$89.47 - $89.47
$89.47

Yamaha Outboard Thermostat – 67F-12411-01-00

$73.54 - $73.54
$73.54
$73.54 - $73.54
$73.54
In stock

The Yamaha 67F-12411-01-00 Thermostat is a genuine OEM cooling system component designed to regulate engine temperature in Yamaha outboard motors. ...

View full details
$73.54 - $73.54
$73.54
$73.54 - $73.54
$73.54

Sierra 18-3552 Thermostat – Mercury MerCruiser Replacement

$41.72 - $41.72
$41.72
$41.72 - $41.72
$41.72
In stock

The Sierra 18-3552 Thermostat is a high-quality aftermarket replacement designed for Mercury MerCruiser engines, providing reliable temperature reg...

View full details
$41.72 - $41.72
$41.72
$41.72 - $41.72
$41.72

Sierra 18-3549 Thermostat 120°F – Johnson Evinrude OMC Replacement

$46.18 - $46.18
$46.18
$46.18 - $46.18
$46.18
In stock

The Sierra 18-3549 Thermostat (120°F) is a premium aftermarket replacement designed for Johnson, Evinrude, and OMC outboard engines. It regulates e...

View full details
$46.18 - $46.18
$46.18
$46.18 - $46.18
$46.18

Volvo Penta Thermostat Kit – 875580

$75.00 - $75.00
$75.00
$75.00 - $75.00
$75.00
In stock

The Volvo Penta 875580 Thermostat Kit is a genuine OEM cooling system service kit designed to maintain proper engine operating temperature in Volvo...

View full details
$75.00 - $75.00
$75.00
$75.00 - $75.00
$75.00

Volvo Penta Thermostat – 8149182

$191.00 - $191.00
$191.00
$191.00 - $191.00
$191.00
In stock

The Volvo Penta 8149182 Thermostat is a genuine OEM cooling system component designed to regulate engine temperature in Volvo Penta marine diesel e...

View full details
$191.00 - $191.00
$191.00
$191.00 - $191.00
$191.00

Volvo Penta Thermostat 3856961

$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
In stock

The Volvo Penta 3856961 Thermostat is a genuine OEM cooling system component designed to precisely regulate engine temperature in Volvo Penta marin...

View full details
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00

Volvo Penta Thermostat Kit – 3831424

$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00
In stock

The Volvo Penta 3831424 Thermostat Kit is a genuine OEM cooling system service kit engineered to deliver precise thermal regulation and long-term r...

View full details
$86.00 - $86.00
$86.00
$86.00 - $86.00
$86.00

Volvo Penta Thermostat – 21437904

$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00
In stock

The Volvo Penta 21437904 Thermostat is a genuine OEM cooling system component engineered for precise temperature regulation in Volvo Penta marine e...

View full details
$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00

Synthetic 75W90 Gear Oil – Marine Lower Unit & Transmission Oil

$24.92 - $24.92
$24.92
$24.92 - $24.92
$24.92
In stock

Synthetic 75W90 Marine Gear OilA full-synthetic, GL-5 rated gear oil engineered for the unique demands of marine drivetrains. Whether you're servic...

View full details
$24.92 - $24.92
$24.92
$24.92 - $24.92
$24.92

Water Pump, 2,1gal (8lt) /min, 12V

$204.87 - $204.87
$204.87
$204.87 - $204.87
$204.87
In stock

Self-priming 12 V water pump for onboard tank-to-tap water systems, with a flow rate of 8 L/min (approx. 2.1 US gal/min). Designed for intermittent...

View full details
$204.87 - $204.87
$204.87
$204.87 - $204.87
$204.87

Water Pump, 3,3gal (12,5lt) /min, 12V

$259.97 - $259.97
$259.97
$259.97 - $259.97
$259.97
In stock

Self-priming 12 V water pump for onboard tank-to-tap water systems, with a flow rate of 12.5 L/min (approx. 3.3 US gal/min). Designed for intermitt...

View full details
$259.97 - $259.97
$259.97
$259.97 - $259.97
$259.97
Save 19% Save %

2-Way Fuel Valve - Ø25/64" (10mm) Hose - Yamaha/Mercury/Honda/Mariner Engines

$139.99
$139.99 - $139.99
$139.99
$112.95
$112.95 - $112.95
$112.95
In stock

Premium 2-Way Marine Fuel Valve - Universal Engine CompatibilityThis professional-grade 2-way fuel shut-off valve is designed for Yamaha, Mercury, ...

View full details
$139.99
$139.99 - $139.99
$139.99
$112.95
$112.95 - $112.95
$112.95
Save 19% Save %

2-Way Fuel Valve - 10mm (25/64") Hose - OMC/Johnson/Evinrude Engines

$112.95 - $112.95
$112.95
$112.95 - $112.95
$112.95
In stock

2-Way Fuel Valve for OMC/Johnson/Evinrude EnginesPremium marine fuel shut-off valve designed specifically for OMC, Johnson, and Evinrude outboard e...

View full details
$112.95 - $112.95
$112.95
$112.95 - $112.95
$112.95
Sold out

PVC Fuel Hose - Fiber Reinforced - Internal Ø9/32" (7mm) x External Ø33/64" (13mm)

$11.99
$11.99 - $11.99
$11.99
$8.59
$8.59 - $8.59
$8.59
Sold out

Premium Fiber-Reinforced PVC Fuel Hose - Marine Fuel LineThis professional-grade fiber-reinforced PVC fuel hose features Internal Ø9/32" (7mm) and ...

View full details
$11.99
$11.99 - $11.99
$11.99
$8.59
$8.59 - $8.59
$8.59
Sold out
Sold out

Fuel Primer Bulb - Ø1-49/64" (45mm) - for Ø5/16" (8mm) Hose - Marine Fuel System

$21.99
$21.99 - $21.99
$21.99
$15.94
$15.94 - $15.94
$15.94
Sold out

Premium Marine Fuel Primer Bulb - 45mm Diameter for 8mm HoseThis professional-grade fuel primer bulb features Ø1-49/64" (45mm) diameter constructio...

View full details
$21.99
$21.99 - $21.99
$21.99
$15.94
$15.94 - $15.94
$15.94
Sold out

Self-Priming Water Pump - 17 L/min (4.4 GPM) - 24V DC - Marine Fresh Water System

$246.52 - $246.52
$246.52
$246.52 - $246.52
$246.52
In stock

Self-Priming Water Pump - 17 L/min (4.4 GPM) - 24V DCHigh-performance self-priming water pump designed for marine fresh water pressure systems. Thi...

View full details
$246.52 - $246.52
$246.52
$246.52 - $246.52
$246.52

Self-Priming Water Pump - 17 L/min (4.4 GPM) - 12V DC - Marine Fresh Water System

$246.52 - $246.52
$246.52
$246.52 - $246.52
$246.52
In stock

Self-Priming Water Pump - 17 L/min (4.4 GPM) - 12V DCHigh-performance self-priming water pump designed for marine fresh water pressure systems. Thi...

View full details
$246.52 - $246.52
$246.52
$246.52 - $246.52
$246.52

Self-Priming Water Pump - 3.8 L/min (1 GPM) - 12V DC - Marine Fresh Water System

$85.52 - $85.52
$85.52
$85.52 - $85.52
$85.52
In stock

Self-Priming Water Pump - 3.8 L/min (1 GPM) - 12V DCCompact self-priming water pump designed for marine fresh water pressure systems. This 12V DC p...

View full details
$85.52 - $85.52
$85.52
$85.52 - $85.52
$85.52

DIABLO Fuel Tank - 60L (16 Gal) - 230mm H x 800mm L - Without Mounting Plate

$255.51 - $255.51
$255.51
$255.51 - $255.51
$255.51
In stock

DIABLO 60-Liter Marine Fuel TankPremium recyclable HDPE fuel tank designed for marine applications. Compact design with exceptional fuel capacity f...

View full details
$255.51 - $255.51
$255.51
$255.51 - $255.51
$255.51

DIABLO Fuel Tank - 48L (13 Gal) - 230mm H x 650mm L - Without Mounting Plate

$209.05 - $209.05
$209.05
$209.05 - $209.05
$209.05
In stock

DIABLO 48-Liter Marine Fuel TankPremium recyclable HDPE fuel tank designed for marine applications. Compact design with excellent fuel capacity for...

View full details
$209.05 - $209.05
$209.05
$209.05 - $209.05
$209.05

Fuel/Water Tank Sensor - 240-33 Ohm - 24" (600mm) Height

$153.89 - $153.89
$153.89
$153.89 - $153.89
$153.89
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$153.89 - $153.89
$153.89
$153.89 - $153.89
$153.89

Fuel/Water Tank Sensor - 240-33 Ohm - 20" (500mm) Height

$147.24 - $147.24
$147.24
$147.24 - $147.24
$147.24
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$147.24 - $147.24
$147.24
$147.24 - $147.24
$147.24

Fuel/Water Tank Sensor - 240-33 Ohm - 18" (450mm) Height

$137.20 - $137.20
$137.20
$137.20 - $137.20
$137.20
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$137.20 - $137.20
$137.20
$137.20 - $137.20
$137.20

Fuel/Water Tank Sensor - 240-33 Ohm - 14" (350mm) Height

$120.44 - $120.44
$120.44
$120.44 - $120.44
$120.44
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$120.44 - $120.44
$120.44
$120.44 - $120.44
$120.44

Fuel/Water Tank Sensor - 240-33 Ohm - 12" (300mm) Height

$113.80 - $113.80
$113.80
$113.80 - $113.80
$113.80
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$113.80 - $113.80
$113.80
$113.80 - $113.80
$113.80

Fuel/Water Tank Sensor - 240-33 Ohm - 10" (245mm) Height

$107.05 - $107.05
$107.05
$107.05 - $107.05
$107.05
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$107.05 - $107.05
$107.05
$107.05 - $107.05
$107.05

Fuel/Water Tank Sensor - 240-33 Ohm - 8" (200mm) Height

$97.01 - $97.01
$97.01
$97.01 - $97.01
$97.01
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$97.01 - $97.01
$97.01
$97.01 - $97.01
$97.01

Fuel/Water Tank Sensor - 240-33 Ohm - 6" (150mm) Height

$92.08 - $92.08
$92.08
$92.08 - $92.08
$92.08
In stock

Marine Fuel/Water Tank Level SensorPrecision tank level sensor designed for accurate fuel and water tank monitoring. Features 240-33 ohm resistance...

View full details
$92.08 - $92.08
$92.08
$92.08 - $92.08
$92.08

Rail-Mounted Motor Bracket - 228x150mm - For 25mm Rails - White - Auxiliary Outboard Mount

$95.86 - $95.86
$95.86
$95.86 - $95.86
$95.86
In stock

Rail-Mounted Motor Bracket - 228x150mm - For 25mm Rails - WhitePermanent rail-mounted motor bracket designed for auxiliary outboard engines. This r...

View full details
$95.86 - $95.86
$95.86
$95.86 - $95.86
$95.86

Transom Pad - 320x220mm (12-19/32" x 8-21/32") - White - Outboard Clamp Protection

$10.68 - $10.68
$10.68
$10.68 - $10.68
$10.68
In stock

Transom Pad - 320x220mm - White - Outboard Clamp ProtectionProtective transom pad designed to prevent outboard clamp damage on transoms. This rigid...

View full details
$10.68 - $10.68
$10.68
$10.68 - $10.68
$10.68

INDUSTRIAL Inspection Hatch - 10" (254mm) Internal Diameter - Grey

$86.53 - $86.53
$86.53
$86.53 - $86.53
$86.53
In stock

INDUSTRIAL Marine Inspection Hatch - 10" (254mm)Premium marine inspection hatch designed for easy access to fuel lines, electrical cables, gauges, ...

View full details
$86.53 - $86.53
$86.53
$86.53 - $86.53
$86.53

INDUSTRIAL Inspection Hatch - 10" (254mm) Internal Diameter - White

$86.53 - $86.53
$86.53
$86.53 - $86.53
$86.53
In stock

INDUSTRIAL Marine Inspection Hatch - 10" (254mm)Premium marine inspection hatch designed for easy access to fuel lines, electrical cables, gauges, ...

View full details
$86.53 - $86.53
$86.53
$86.53 - $86.53
$86.53

INDUSTRIAL Inspection Hatch - 8" (201mm) Internal Diameter - Grey

$63.63 - $63.63
$63.63
$63.63 - $63.63
$63.63
In stock

INDUSTRIAL Marine Inspection Hatch - 8" (201mm)Premium marine inspection hatch designed for easy access to fuel lines, electrical cables, gauges, c...

View full details
$63.63 - $63.63
$63.63
$63.63 - $63.63
$63.63

INDUSTRIAL Inspection Hatch - 8" (201mm) Internal Diameter - White

$63.63 - $63.63
$63.63
$63.63 - $63.63
$63.63
In stock

INDUSTRIAL Marine Inspection Hatch - 8" (201mm)Premium marine inspection hatch designed for easy access to fuel lines, electrical cables, gauges, c...

View full details
$63.63 - $63.63
$63.63
$63.63 - $63.63
$63.63

LZ Hydrofoil - For Outboards Over 50 HP - Stainless Steel

$71.91 - $71.91
$71.91
$71.91 - $71.91
$71.91
In stock

LZ Hydrofoil for Outboard Motors Over 50 HPThe LZ torque control system ensures the ultimate in precise and effortless steering. This premium hydro...

View full details
$71.91 - $71.91
$71.91
$71.91 - $71.91
$71.91

LZ Hydrofoil Stabilizer - Up to 50 HP - Torque Control System - Outboard Performance

$43.18 - $43.18
$43.18
$43.18 - $43.18
$43.18
In stock

LZ Hydrofoil Stabilizer - Up to 50 HP - Torque Control SystemAdvanced hydrofoil stabilizer designed for outboard motors up to 50 HP. The LZ torque ...

View full details
$43.18 - $43.18
$43.18
$43.18 - $43.18
$43.18
Seachoice 21004 Full-Flow Oil Filter
Sold out

Seachoice 50-21004 Full-Flow Oil Filter – 20 Micron | Mercury & Mariner Outboard

$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99
Sold out

Seachoice 50-21004 Full-Flow Oil Filter – 20 Micron Part Number: 50-21004  |  SKU: 50-21004  |  UPC: 719249210049 The Seachoice 50-21004 is a 20...

View full details
$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99
Sold out
Seachoice 21003 Full-Flow Oil Filter
Sold out

Seachoice 21003 Full-Flow Oil Filter – Honda, Yamaha & Nissan/Tohatsu | 50-21003

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Sold out

Seachoice 21003 Full-Flow Oil FilterPart Number: 21003  |  SKU: 50-21003Brand: SeachoiceProduct Type: Full-Flow Spin-On Marine Oil FilterFiltration...

View full details
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Sold out
Seachoice 21001 Full-Flow Oil Filter
Sold out

Seachoice 50-21001 Full-Flow Oil Filter – 20 Micron | MerCruiser, Volvo Penta & OMC

$14.99 - $14.99
$14.99
$14.99 - $14.99
$14.99
Sold out

Seachoice 50-21001 Full-Flow Oil Filter – 20 Micron Part Number: 50-21001  |  SKU: 50-21001  |  UPC: 719249210100 The Seachoice 50-21001 is a 20...

View full details
$14.99 - $14.99
$14.99
$14.99 - $14.99
$14.99
Sold out
Seachoice 21023 Full-Flow Oil Filter
Sold out

Seachoice 21023 Full-Flow Oil Filter – Chrysler, MerCruiser, OMC & Volvo Penta | 50-21023

$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99
Sold out

Seachoice 21023 Full-Flow Oil FilterPart Number: 21023  |  SKU: 50-21023Brand: SeachoiceProduct Type: Full-Flow Spin-On Marine Oil FilterFiltration...

View full details
$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99
Sold out
Seachoice 21021 Full-Flow Oil Filter
Sold out

Seachoice 50-21021 Full-Flow Oil Filter – 20 Micron | Yanmar & Westerbeke Marine Diesel

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Sold out

Seachoice 50-21021 Full-Flow Oil Filter – 20 Micron Part Number: 50-21021  |  SKU: 50-21021  |  UPC: 719249210216 The Seachoice 50-21021 is a 20...

View full details
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Sold out
Seachoice 21019 Full-Flow Oil Filter
Sold out

Seachoice 50-21019 Full-Flow Oil Filter – 20 Micron | Suzuki & Johnson/Evinrude 4-Stroke

$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Sold out

Seachoice 50-21019 Full-Flow Oil Filter – 20 Micron Part Number: 50-21019  |  SKU: 50-21019  |  UPC: 719249210193 The Seachoice 50-21019 is a 20...

View full details
$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Sold out
Seachoice 21018 Full-Flow Oil Filter
Sold out

Seachoice 50-21018 Full-Flow Oil Filter – 20 Micron | Yamaha 4-Stroke Outboard

$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Sold out

Seachoice 50-21018 Full-Flow Oil Filter – 20 Micron Part Number: 50-21018  |  SKU: 50-21018  |  UPC: 719249210186 The Seachoice 50-21018 is a 20...

View full details
$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Sold out
Seachoice 21017 Full-Flow Oil Filter
Sold out

Seachoice 50-21017 Full-Flow Oil Filter – 20 Micron | Suzuki & OMC Outboard

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Sold out

Seachoice 50-21017 – 20-Micron Full-Flow Oil FilterPart Number: Seachoice 50-21017 (ref: 21017)Brand: SeachoiceSystem: Lubrication – Engine Oil Fil...

View full details
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Sold out
Seachoice 21016 Full-Flow Oil Filter (Element)
Sold out

Seachoice 50-21016 Full-Flow Oil Filter Element – 20 Micron | Sea-Doo 4-Stroke

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Sold out

Seachoice 50-21016 – 20-Micron Replaceable Oil Filter ElementPart Number: Seachoice 50-21016 (ref: 21016)Brand: SeachoiceType: Replaceable cartridg...

View full details
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Sold out
Seachoice 21014 Full-Flow Oil Filter
Sold out

Seachoice 50-21014 Full-Flow Oil Filter – 20 Micron | Suzuki & OMC Outboard

$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Sold out

Seachoice 50-21014 – 20-Micron Full-Flow Oil FilterPart Number: Seachoice 50-21014 (ref: 21014)Brand: SeachoiceSystem: Lubrication – Engine Oil Fil...

View full details
$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
Sold out
Seachoice 21013 Full-Flow Oil Filter
Sold out

Seachoice 50-21013 Full-Flow Oil Filter – 20 Micron | Honda BF Outboard

$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99
Sold out

Seachoice 50-21013 – 20-Micron Full-Flow Oil FilterPart Number: Seachoice 50-21013 (ref: 21013)Brand: SeachoiceSystem: Lubrication – Engine Oil Fil...

View full details
$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99
Sold out