Engine Parts & Service - Accessories

Premium Replacement Ignition Coil for Mercury Outboard Engines 2004-2018This ignition coil fits 2004-2018 (75,80,90,100,115,135,150,200,225,250,275,300,350 & 400HP) Mercury outboard engines.Replaces: MERCURY Ignition Coil 339-880615T01 SIERRA Ignition Coil 18-5154 CDI Electronics Ignition Coil 184-0002 *ARCO Assurance 12-month part and labor warranty protectionThis 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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Premium Replacement Ignition Coil for Johnson/Evinrude Outboard Engines 1985-2006This ignition coil fits 1985-2006 (2.5-55HP – 2 Cyl.), 1995 (50HP – 3 Cyl.), 1995-2006 (80-115HP – 4 Cyl.), and 1991-2006 (105-175HP – 6 Cyl.) Johnson/Evinrude engines.Replaces: Johnson / Evinrude Ignition Coil 583740 Johnson / Evinrude Ignition Coil 583298 Johnson / Evinrude Ignition Coil 583040 Johnson / Evinrude Ignition Coil 777664 SIERRA Ignition Coil 18-5170 CDI Electronics Ignition Coil 183-3740 *ARCO Assurance 12-month part and labor warranty protectionThis 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 Alternator Shield - 48VProtect Your Alternator from Voltage Spikes & Disconnect EventsThe ARCO Zeus Alternator Shield is engineered to protect high-output alternators from damaging voltage spikes caused by sudden battery disconnect events. These events, commonly triggered by lithium battery BMS shutdowns or accidental switch interruptions, can instantly destroy alternator diodes. The Shield clamps excess voltage and safely diverts it to ground, helping extend alternator life and prevent costly failures.Key Benefits: Protects Against Voltage Spikes - Prevents damage caused by battery disconnects and load dump events Designed for Modern Electrical Systems - Ideal for lithium battery systems with BMS shutoff risk Extends Alternator Life - Reduces stress on diodes and internal components Real-Time Status Indication - LED indicator provides instant health status Easy Installation - Installs directly at alternator terminals in minutes Built for High Output Systems - Engineered to perform with today’s high-amperage alternators ARCO Advantage: Tested to ISO 16750-2 Load Dump Standard Up to 75% more survivable disconnect events vs. the leading competitor Designed to handle real-world high-output charging conditions Integrated into the ARCO Zeus ecosystem

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Zeus Alternator Shield - 12VProtect Your Alternator from Voltage Spikes & Disconnect EventsThe ARCO Zeus Alternator Shield is engineered to protect high-output alternators from damaging voltage spikes caused by sudden battery disconnect events. These events, commonly triggered by lithium battery BMS shutdowns or accidental switch interruptions, can instantly destroy alternator diodes. The Shield clamps excess voltage and safely diverts it to ground, helping extend alternator life and prevent costly failures.Key Benefits: Protects Against Voltage Spikes - Prevents damage caused by battery disconnects and load dump events Designed for Modern Electrical Systems - Ideal for lithium battery systems with BMS shutoff risk Extends Alternator Life - Reduces stress on diodes and internal components Real-Time Status Indication - LED indicator provides instant health status Easy Installation - Installs directly at alternator terminals in minutes Built for High Output Systems - Engineered to perform with today’s high-amperage alternators ARCO Advantage: Tested to ISO 16750-2 Load Dump Standard Up to 75% more survivable disconnect events vs. the leading competitor Designed to handle real-world high-output charging conditions Integrated into the ARCO Zeus ecosystem

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Zeus Alternator Shield - 24VProtect Your Alternator from Voltage Spikes & Disconnect EventsThe ARCO Zeus Alternator Shield is engineered to protect high-output alternators from damaging voltage spikes caused by sudden battery disconnect events. These events, commonly triggered by lithium battery BMS shutdowns or accidental switch interruptions, can instantly destroy alternator diodes. The Shield clamps excess voltage and safely diverts it to ground, helping extend alternator life and prevent costly failures.Key Benefits: Protects Against Voltage Spikes - Prevents damage caused by battery disconnects and load dump events Designed for Modern Electrical Systems - Ideal for lithium battery systems with BMS shutoff risk Extends Alternator Life - Reduces stress on diodes and internal components Real-Time Status Indication - LED indicator provides instant health status Easy Installation - Installs directly at alternator terminals in minutes Built for High Output Systems - Engineered to perform with today’s high-amperage alternators ARCO Advantage: Tested to ISO 16750-2 Load Dump Standard Up to 75% more survivable disconnect events vs. the leading competitor Designed to handle real-world high-output charging conditions Integrated into the ARCO Zeus ecosystem

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Premium Replacement Ignition Coil for Mercury Outboard Engines 2005-PresentThis ignition coil fits 2005- UP (110 Jet, 135, 150, 175, 200, 225 & 250HP) DFI Outboard 1100,1350 and 1650QC4V Race Sterndrives.Replaces: MERCURY Ignition Coil 300-8M0077471 MERCURY Ignition Coil 339-879984A1 MERCURY Ignition Coil 339-879984T00 SIERRA Ignition Coil 18-5159 CDI ELECTRONICS Ignition Coil 184-0003 *ARCO Assurance 12-month part and labor warranty protectionThis 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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Johnson/Evinrude Outboard Relay - 12V 30AJohnson/Evinrude outboard relay that will fit BRP-OMC.Replaces: BRP-OMC 582195  BRP-OMC 582472  BRP-OMC 582473  BRP-OMC 584416  BRP-OMC 586147  BRP-OMC 586244  BRP-OMC 3857533  BRP-OMC 586224  SIERRA 18-5705 *ARCO Assurance 12-month part and labor warranty protectionThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Type: Parts Box Dimensions: 1"H x 3"W x 3"L WT: 0.25 lbs UPC: 693006002514

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Mercury/Mariner Outboard Relay with Shroud & GrommetMercury/Mariner outboard relay that will fit Mercury & Mariner Outboards. 12 Volt, 30 AmpReplaces:Mercury Marine 828151Mercury Marine 828151A1Mercury Marine 882751A1*ARCO Assurance 12-month part and labor warranty protectionThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Type: Parts Box Dimensions: 1"H x 1"W x 3"L WT: 0.3 lbs UPC: 693006009575

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500A/50mV ShuntShunt 500 Amp 50 mV - 500A/50mV

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316 SS T-Bolt Clamp - 3/4" Band - 4.37"-4.94" RangeVery strong and secure clamp for critical installations. Trident Marine T-Bolt Clamps are built with safety in mind. With a 3/4" (19 mm) wide band, this clamp ensures a greater area of coverage for a positive and strong union. It is recommended that two clamps be used on each end of a wet exhaust installation.Specifications: Band & Housing: 316 stainless steel 3/4 in. wide band T-Bolt and Nut: 18-8 stainless steel with nylon insert Hose Inner Diameter (inch): 4" Hose Outer Diameter (inch): 4.37" to 4.94" Quick Guide (pdf)

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Fuel/Water SeparatorKeep your engine running at peak efficiency by filtering out any water that may get into the fuel system. 10-micron filtering capability.Features: Double seal for enhanced performance Replacement for: Mercury 35-60494-1, Aqua Power 6031, GLM 24940, Sierra 18-78250, SMI 15494, Valmar 52113, Marpac 7-0872 Quick Guide (pdf)

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316 SS T-Bolt Clamp - 3/4" Band - 5.28"-5.59" RangeVery strong and secure clamp for critical installations. Trident Marine T-Bolt Clamps are built with safety in mind. With a 3/4" (19 mm) wide band, this clamp ensures a greater area of coverage for a positive and strong union. It is recommended that two clamps be used on each end of a wet exhaust installation.Specifications: Band & Housing: 316 stainless steel 3/4 in. wide band T-Bolt and Nut: 18-8 stainless steel with nylon insert Hose Outer Diameter (inch): 5.28" to 5.59"

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