Engine Parts & Service

In-Line Fuel Demand ValveAttwood's exclusive Fuel Demand Valve eliminates engine flooding and spillage by preventing pressurized fuel from reaching the engine. The valve ensures that fuel is supplied to the engine only when demanded during start-up or...

In-Line Fuel Overflow ProtectorThe fuel vent line surge protector helps avoid refueling spills because the surge-free line causes automatic fuel nozzles to shut off as the tank fills.With non-automatic nozzles, the surge protector causes a gurgling...

Johnson/Evinrude/OMC (Outboard Marine Corporation) Male Tank Fitting - 1/4" NPTThis Attwood male tank fitting is suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels. The threaded fitting has a 1/4" male NPT thread and uses...

Mercury Tank Fitting - 1/4" NPT ThreadConnect your tank and fuel lines with confidence; solid machined brass construction holds up to lead, unleaded, and alcohol-based fuels. Specifically designed for Mercury/Mariner Brand engines and tanks...

Mercury Twist-Lock Female Tank Fitting - NylonThis Attwood Mercury/Mariner Engine Fuel Hose Fitting ensures precise and effective installation of a fuel line to a Mercury/Mariner-brand engine. This Fuel Hose Fitting is a female twist-lock fitting that...

Mercury Twist-Lock Female Tank Fitting - ZincThis Attwood Mercury/Mariner Engine Fuel Hose Fitting ensures precise and effective installation of a fuel line to a Mercury/Mariner-brand engine. This Fuel Hose Fitting is a female twist-lock fitting that...

Mercury Twist-Lock Male Hose Fitting - ZincThis Attwood hose fitting is suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels. Barbed fitting fits 3/8" I.D. hose. Clamps are not included. Use thread sealant on all threads...

Suzuki 3/8" Barb Female Hose Fitting - Under 75HPQuick-connect female fitting for use on both ends of fuel lines to connect to tank fitting and engine. Fuel tank fittings and hose fittings are suitable for use with leaded, unleaded, ethanol-blended, and...

Universal 90 Degree Elbow - 1/4" NPT (National Pipe Taper) x 1/4" NPTF (National Pipe Taper Fuel) - BrassThis Attwood 90 Degree Elbow is suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels. Clamps are not included and use...

Universal Aluminum Fuel Hose Fitting - 3/8" NPT x 3/8" BarbThis Attwood Fuel Tank Fitting is a dependable replacement for original equipment and provides a sure connection in a fuel line.Features:Fitting is suitable for use with leaded, unleaded,...

Universal Brass Fuel Hose Fitting - 1/4" NPT x 3/8" Barb This Attwood Fuel Tank Fitting is a dependable replacement for original equipment and provides a sure connection in a fuel line.Features:Fitting is suitable for use with leaded, unleaded,...

Universal Fuel Line Kit - 3/8" Diameter x 6' LengthThis Attwood Fuel Line Kit is a reliable universal replacement for the original equipment on any brand of engines and tanks. This kit includes a 6-foot-long, 3/8-In. diameter fuel line and a...

Universal Sprayless Connector – Hose Male (5/16"-3/8")This Attwood Universal Sprayless Connector reliably eliminates fuel spraying when you are connecting and disconnecting fuel hoses during fueling or maintenance. Also, this connector replaces a...

Universal Sprayless Connector - Hose Female (5/16"-3/8")This Attwood Universal Sprayless Connector reliably eliminates fuel spraying when you are connecting and disconnecting fuel hoses during fueling or maintenance. This connector replaces a...

Universal Sprayless Connector - Tank Male (1/4" NPT with Thread Sealant)This Attwood Universal Sprayless Connector reliably eliminates fuel spraying when you are connecting and disconnecting fuel hoses during fueling or maintenance. This connector...

Yamaha Female Hose Fitting - Tank Or Engine End - 5/16" BarbThis Attwood hose fitting is suitable for use with leaded, unleaded, ethanol-blended, and alcohol-blended fuels. Barbed fitting fits 5/16" I.D. (Inner Diameter) hose and clamps are not included...

Yamaha Tank Fitting - 1/4" NPT ThreadConnect your tank and fuel lines with confidence. Solid machined brass construction holds up to lead, unleaded, and alcohol-based fuels. Designed for Yamaha Brand engines and tanks and fits select Mercury/Mariner...

95 Series Alternator Pully, Altmount®AltMount® Serpentine PulleyTen-Groove (J10) Serpentine Pulley for 95-Series Alternators2.7″ Diameter, 0.875″ BoreThis product may not be returned to the original point of purchase. Please...

97EHD Series Alternator 190A, 24V, Saddle MountAlternator, 97EHD Series, 190A, 24V, Saddle Mount (Dual Foot), 4in, Deep Dual Vee Pulley*, Isolated Ground4″ J-180-Style Mounting;  Typical for Caterpillar, Cummins, Detroit Diesel & John...

Alternator 1-2" Single Foot Dual V Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved...

Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved...

Alternator 1-2" Single Foot J10 Serpentine Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings,...

Alternator 1-2" Single Foot K6 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved...

Alternator 1-2" Single Foot K6 Serpentine Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high-reliability bearings,...

Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley with Isolated GroundingAlternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground 1″ Motorola-Style Mounting;  Typical for Westerbeke,...

Alternator 120 AMP 12V 3.15" Dual Foot Saddle J10 Pulley Isolated GroundAlternator, 60 Series, 120A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman...

Alternator 170AMP, 12V, 3.15" Dual Foot K6 Pulley with Isolated GroundingBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes...

170AMP, 12V, Vortec Mount, K6 Pulley with Isolated GroundingBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved...

Alternator 3.15" Dual Foot Saddle Dual V Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications.  Balmar installs high reliability bearings, robust rectifier diodes and...

Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and...

Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings,...

Alternator 97XD Series 190A, 24V, K6 PulleyAlternator, 97XD Series, 190A, 24V, Saddle Mount (Dual Foot), 4in, K6 Serpentine, Case Ground, 4″ J-180-Style Mounting;  Typical for Caterpillar, Cummins, Detroit Diesel & John Deere Engines...

Alternator Vortec Internal Reg K6 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and...

Alternator Vortec K6 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved...

Alternator Vortec K6 Serpentine Pulley Regulator & Temp Sensor - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier...

ARS Multi-Stage Regulator w/Harness - 12VHigh output alternators are an important part of your system for battery care, but they are definitely not the only part.  Without proper voltage regulation, battery charging can be a slow process, or even...

Belt Buddy w/o Adjustment ArmUniversal Belt Buddy Mechanism;  for use with exising adjustment armsDoes not come with the Balmar Universal Adjustment Arm (UAA).Caution:  This approach sacrifices some “travel” in the existing...

Belt Buddy w/Universal Adjustment ArmTo utilize only the adjustment mechanism with an existing adjustment arm, purchase part number BBU.Caution:  This approach sacrifices some “travel” in the existing adjustment arm so the BBU mechanism...

Digital Duo Charge - 12/24VThe Digital Duo Charge (DDC-12/24) provides a “hands off” solution for charging two battery banks without the use of problematic isolators or manual battery switches. During charging the DDC-12/24 monitors voltage...

Dual MC612 Multi-Stage 12V Regulator with HarnessRegulator, Dual MC-612 Multi-Stage, 12v, with Harnesses for use with Twin Alternator, Single Engine Applications.This product may not be returned to the original point of purchase. Please contact the...