Engine Parts & Service - Alternators

Universal Adjustment ArmFeatures: This part number is for the “Arm Only”, It does not come with the Belt Buddy Adjustment Mechanism The Belt Buddy Mechanism which goes with the UAA is part number BB, grouped together the set is part number UBB The Belt Buddy Mechanism which goes with most any adjustment arm is part number BBU The UAA is 10.3″ long and the adjustment slot provides up to 4.5″ of travel.  The adjustment slot is 0.53″ wide This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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621 Series Alternator - Spindle Mount(Single Foot) - 100A - 12VFeatures: 100A 12V Spindle Mount (Single Foot) 1-2"  Single Deep Vee Pulley Isolated Ground 1″ Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2″ Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Owner's Manual (pdf)

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Zeus A225S J-180 3.15" Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM Components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler. This translates to more amperage for sustained periods. For maximum performance or lithium battery charging, use an ARCO Zeus Bluetooth alternator regulator. SAE J1171 Certified. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12lbs/6.7kg Regulation - External Only Output Voltage - 14.1v (default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Mounting Application:Replaces most small case styles using a 3.15” J180 saddle style mount (e.g., Hitachi, Lucas, Mitsubishi) Most Yanmars.

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Premium Replacement Universal Alternator with Single Groove Pulley - 12V 55AReplacement alternator that will fit Yamaha, Marine Power, Crusader, Replaces Motorola, 12 Volt, 55 Amp, Internal regulator Includes: Tachometer terminal, indicator light terminal, remote battery sensing terminal, excite terminal, 1-inch mounting foot with 3-ear adjustment, Single groove pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and manufactured with precision and quality All alternators must meet or exceed OEM performance before being boxed Warranty Information:When properly installed, all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications. Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration Replaces:CRUSADER Alternator 39200WESTERBEKE Alternator 39790YAMAHA Alternator 19-1400-10SIERRA Alternator 18-6843This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Amperage: 55A Voltage: 12v Box Dimensions: 8"H x 8"W x 9"L WT: 11.2 lbs UPC: 693006001319 Quick Guide (pdf)

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60 Series Alternator - Saddle Mount(Dual Foot) - 100A - 12VFeatures: 100A 12V Saddle Mount (Dual Foot) 3.15"  Single Deep Vee Pulley Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Owner's Manual (pdf)

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Alternator 100 AMP 12V 3.15" Dual Foot Saddle K6 Pulley with Isolated GroundAlternator, 60 Series, 100A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Isolated Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: 60-100-SR-IGThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Brochure (pdf)

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Pulley Kit, Yanmar 4JH4-HTE-TE-DTEThe AltMount® Serpentine Pulley Conversion Kit provides an easily installed solution to provide greater load transfer and reduce engine noise and vibration. While the installation process for this kit is moderately simple, Balmar strongly recommends reading and following the installation instructions closely when installing the kit—this AltMount® Serpentine Pulley Conversion Kit for Yanmar diesel engines.Yanmar Engines Covered: 4JH4-HTE-TE, -DTEKit Includes:  Three Ten-Groove (J10) Pulleys Two J10 46″ circumference serpentine belts (one spare) and mounting hardware Note: If users specify an AT-200A Alternator, a longer belt length may be required. Call Balmar Technical Support @ +1 (360) 435-6100 x3This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Owner's Manual (pdf)

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Replacement Alternator for Mercury Engines - 75-115 HPReplacement alternator that will fit Mercury Outboard Engines 75 HP - 115 HP, 12 Volt, 50 AMP, internal fan, 4 grooves, pulley included. Features: All alternators are engineered for performance and reliability. All alternators are engineered and manufactured with precision and quality. All alternators must meet or exceed OEM performance before being boxed. Warranty Information:When properly installed, all ARCO products are warrantied against defects in materials and workmanship for 12 months for leisure use and 90 days for commercial or racing applications. Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration Replaces: MERCURY Alternator 8M0063970 MERCURY Alternator 897755T EMP Alternator 4-6840 This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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Zeus A225S 3.15 Alternator with Isolated Ground & Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for high energy production. Suitable for marine, RV, military, and commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance, running 8-20% cooler than incumbent alternators due to: Heat shedding coatings Rectifier located on housing exterior Dual cooling fans OEM components Optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A225S cooler for sustained amperage output. Use the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Models are available with an internal/external voltage regulator. Proudly made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 130mm Frame Size - Small Weight - 12 lbs/5.4 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.) Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 254 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 187 Amps Sustained Idle Output (Hot, 3,000 RPM) - 157 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most small case styles using a 3.15" saddle style mount (e.g., Hitachi, Lucas, Mitsubishi). Most Yanmars. Requires Standard single "V" belt upgrading to a Serpentine System Quick Guide (pdf)Brochure (pdf)

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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 can be anchored to the arm.  Make certain your alternator mounting does not need this travel before purchasing the BBU.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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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 Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A Alternator, a longer belt length may be required.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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Alternator 250 AMP 12V 3.15" Dual Foot Saddle J10 PulleyAlternator, XT Series, 250A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: AT-DF-200-12-IG, AT-DF-200-J10This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Brochure (pdf)

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