Engine Parts & Service

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...

Lehman Serp Pulley KitAltMount®Serpentine Pulley Conversion Kit for Ford/Lehman EnginesFord/Lehman Engines Covered: FL80, FL120Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 55" Circumference Serpentine Belts (one spare)Note:  If you...

Offshore Repair Kit 60 Series 24V with Bearings, Brushes, Regulator/RectifierOffshore Repair Kit, 60 Series Alternators, 24V This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or...

Pulley J10 for Altmount® AT Series Alternator 2.4" x 17mmAltMount® Serpentine PulleyTen-Groove (J10) Serpentine Pulley for AT-Series Alternators2.4″ Diameter, 17mm BoreThis product may not be returned to the original point of purchase. ...

Pulley Kit for Perkins 4170, 4108 (K6)AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre EnginesPerkins/Sabre Engines Covered: 4107, 4108Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference Serpentine Belts (one...

Pulley Kit for Volvo D2-55, A, B, C, D, E, FAltMount® Serpentine Pulley Conversion Kit for Volvo Penta Diesel EnginesVolvo Penta Engines Covered: D2-55A, B, C, D, E, FKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 44″ Circumference...

Pulley Kit for Westerbeke 44A, 44B, 44CAltMount® Serpentine Pulley Conversion Kit for Westerbeke Diesel EnginesWesterbeke Engines Covered: 44A, 44B, 44CKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 40″ Circumference Serpentine Belts...

Pulley Kit for Yanmar 2GM20-F, 3GM30-F, 3GM-FAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3GM30-F, 3GM-FKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 40″ Circumference Serpentine...

Pulley Kit for Yanmar 3JH2-TE, 3JH2-EAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3JH2-TE, 3JH2-EKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 45″ Circumference Serpentine Belts (one...

Pulley Kit for Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTEAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4JH2-TE -HTE -DTE -UTEKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 47″ Circumference...

Pulley Kit for Yanmar 4JH3-TE, 4JH3-HTEAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4JH3, -TE, -THEKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 48″ Circumference Serpentine Belts (one...

Pulley Kit for Yanmar 6LY, 6LYA-STP, 6LY2-STPAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 6LY, 6LYA-STP, 6LY2-STPKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 55″ Circumference Serpentine...

Pulley Kit Yanmar for 3YM30AltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3YM30Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 39″ Circumference Serpentine Belts (one spare) & Mounting...

Pulley Kit, Westerbeke 18, 21A, 27A, 35B, 38B, 42BAltMount®Serpentine Pulley Conversion Kit for Westerbeke Diesel EnginesWesterbeke Engines Covered: 18, 21A, 27A, 35B, 38B, 42BKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 40" Circumference...