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Volvo Penta Electrical Components

Volvo Penta Electrical Components

Volvo Penta Starters, Alternators, Sensors, Relays, Switches & Electrical Parts

Shop Volvo Penta electrical components for marine engines and drive systems. Find starters, alternators, sensors, senders, relays, solenoids, switches, ignition parts, wiring harnesses, fuses, circuit protection, trim electrical parts, charging components, and related service hardware.

Fitment Check

Use your Volvo Penta engine serial number, drive model, existing part number, connector style, voltage, and photos before ordering electrical parts.

Ask Parts Desk

Electrical parts can vary by engine model, serial range, harness version, connector shape, voltage, drive package, and superseded part number.

Find Electrical Parts Faster

Search by Serial Number, Part Number, Connector, Voltage, or Component

Volvo Penta electrical parts are highly fitment-specific. Search by exact part number when possible, or use engine model, serial number, connector details, sensor type, voltage, or the component being replaced.

Starting & Charging

Starters, Alternators, Solenoids, and Voltage Support

Starting and charging problems can involve the starter, alternator, regulator, solenoid, relay, battery cable, fuse, breaker, ground, or harness connection.

Sensors & Controls

Match Sensors by Function, Connector, and Engine Range

Temperature, pressure, position, trim, oil, fuel, alarm, EVC, and engine-management parts must match the correct connector, voltage, and engine electronics.

12V

Voltage and Grounds

Many electrical issues come from low voltage, poor grounds, corroded terminals, weak cables, or loose connections.

CON

Connector Match

Connector shape, pin count, wire colors, and harness version can matter as much as the part name.

EVC

Electronic Control

EVC and electronic control parts should be identified carefully by serial number, part number, and system details.

Electrical Service Guidance

Confirm the Cause Before Replacing Parts

A failed-start, alarm, charging issue, dead gauge, or intermittent fault can come from the component itself or from wiring, grounds, corrosion, battery condition, fuses, relays, or connectors.

Check power and groundVerify battery voltage, grounds, cable condition, terminals, fuses, and breakers before replacing components.
Inspect connectorsLook for corrosion, bent pins, water intrusion, broken locks, loose terminals, and damaged insulation.
Match part numbersUse the existing part number, serial number, and connector details to avoid wrong-fit electrical parts.
Protect repairsUse marine-grade terminals, heat shrink, supports, and a clean wire path away from heat, vibration, and chafe.

FAQ

Volvo Penta Electrical Questions

How do I identify the right Volvo Penta electrical part?

Start with the engine serial number, existing part number, connector photos, wire colors, voltage, and the exact symptom or fault.

Why do sensors with the same name look different?

Sensor connector, thread, range, calibration, harness version, and production range can vary by engine and serial number.

Should I replace a starter or alternator before checking wiring?

Check battery condition, cable voltage drop, grounds, fuses, relays, and terminals first. Wiring issues can mimic component failure.

Can Marisol help match Volvo Penta electrical parts?

Yes. Send the Parts Desk your engine serial number, photos, old part numbers, connector details, and a short description of the electrical issue.

Ready to Find the Electrical Part?

Shop Volvo Penta Starters, Alternators, Sensors, Relays, Switches, Harnesses & Electrical Components

Search by serial number, exact part number, connector style, voltage, engine model, sensor type, relay, starter, alternator, sender, or wiring part.

Filters

Volvo Penta Resistor – 873717

Original price $108.00 - Original price $108.00
Original price
$108.00
$108.00 - $108.00
Current price $108.00
Only 1 left!

The Volvo Penta Resistor 873717 is a genuine OEM ballast resistor designed to regulate voltage within the ignition system of Volvo Penta marine eng...

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Original price $108.00 - Original price $108.00
Original price
$108.00
$108.00 - $108.00
Current price $108.00

Volvo Penta Automatic Fuse – 874579

Original price $64.90 - Original price $64.90
Original price
$64.90
$64.90 - $64.90
Current price $64.90
Only 1 left!

The Volvo Penta Automatic Fuse 874579 is a genuine OEM resettable circuit breaker designed to protect electrical systems in Volvo Penta marine engi...

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Original price $64.90 - Original price $64.90
Original price
$64.90
$64.90 - $64.90
Current price $64.90

Marine Relay SLR-357

Original price $48.17 - Original price $48.17
Original price
$48.17
$48.17 - $48.17
Current price $48.17
Only 2 left!

SLR-357 does not show up cleanly in current marine parts references as a clearly identified OEM marine relay part number. The closest strong public...

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Original price $48.17 - Original price $48.17
Original price
$48.17
$48.17 - $48.17
Current price $48.17

Volvo Penta Temperature Sensor 21126692

Original price $133.00 - Original price $133.00
Original price
$133.00
$133.00 - $133.00
Current price $133.00
Only 1 left!

Volvo Penta Temperature Sensor – Part Number 21126692 The Volvo Penta Temperature Sensor (OEM Part No. 21126692) is a genuine OEM coolant temperat...

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Original price $133.00 - Original price $133.00
Original price
$133.00
$133.00 - $133.00
Current price $133.00

Volvo Penta Wiring Harness 21542305 | OEM Engine Electrical Harness

Original price $3,418.00 - Original price $3,418.00
Original price
$3,418.00
$3,418.00 - $3,418.00
Current price $3,418.00
Only 1 left!

Volvo Penta Wiring Harness — Part #21542305 This is the genuine OEM main engine wiring harness for Volvo Penta D4 and D6 marine diesel engines. It...

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Original price $3,418.00 - Original price $3,418.00
Original price
$3,418.00
$3,418.00 - $3,418.00
Current price $3,418.00

Volvo Penta Wiring Harness 21292450

Original price $754.00 - Original price $754.00
Original price
$754.00
$754.00 - $754.00
Current price $754.00
Only 1 left!

Premium Wiring Harness for Volvo Penta Marine Engines High-quality wiring harness engineered for Volvo Penta marine engine electrical systems. Man...

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Original price $754.00 - Original price $754.00
Original price
$754.00
$754.00 - $754.00
Current price $754.00

Volvo Penta Wiring Harness 21138239

Original price $168.00 - Original price $168.00
Original price
$168.00
$168.00 - $168.00
Current price $168.00
Only 1 left!

Volvo Penta Wiring Harness – Part Number 21138239 The Volvo Penta Wiring Harness (OEM Part No. 21138239) is a genuine OEM engine wiring harness fo...

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Original price $168.00 - Original price $168.00
Original price
$168.00
$168.00 - $168.00
Current price $168.00

Volvo Penta Wiring Harness 21138237

Original price $176.00 - Original price $176.00
Original price
$176.00
$176.00 - $176.00
Current price $176.00
Only 1 left!

Volvo Penta Wiring Harness – Part Number 21138237 The Volvo Penta Wiring Harness (OEM Part No. 21138237) is a genuine OEM engine wiring harness fo...

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Original price $176.00 - Original price $176.00
Original price
$176.00
$176.00 - $176.00
Current price $176.00

Volvo Penta Sensor 21292836

Original price $163.00 - Original price $163.00
Original price
$163.00
$163.00 - $163.00
Current price $163.00
Only 1 left!

Premium Sensor for Volvo Penta Marine Engines High-precision sensor engineered for Volvo Penta marine engine monitoring systems. Manufactured to O...

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Original price $163.00 - Original price $163.00
Original price
$163.00
$163.00 - $163.00
Current price $163.00

Volvo Penta Potentiometer 1336385

Original price $377.00 - Original price $377.00
Original price
$377.00
$377.00 - $377.00
Current price $377.00
Only 1 left!

Volvo Penta 1336385 is a genuine OEM potentiometer used in Volvo Penta electronic control applications. Current Volvo Penta parts references list 1...

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Original price $377.00 - Original price $377.00
Original price
$377.00
$377.00 - $377.00
Current price $377.00

Volvo Penta Connector Kit - OEM Electrical Connector Set

Original price $1,002.00 - Original price $1,002.00
Original price
$1,002.00
$1,002.00 - $1,002.00
Current price $1,002.00
Only 1 left!

Premium Connector Kit for Volvo Penta Marine Engines Complete electrical connector kit engineered for Volvo Penta marine engine systems. Manufactu...

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Original price $1,002.00 - Original price $1,002.00
Original price
$1,002.00
$1,002.00 - $1,002.00
Current price $1,002.00

Volvo Penta Chassis Ground Cable - OEM Engine Ground Cable

Original price $104.00 - Original price $104.00
Original price
$104.00
$104.00 - $104.00
Current price $104.00
Only 1 left!

Premium Chassis Ground Cable for Volvo Penta Marine Engines High-quality chassis ground cable engineered for Volvo Penta marine engine electrical ...

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Original price $104.00 - Original price $104.00
Original price
$104.00
$104.00 - $104.00
Current price $104.00

Volvo Penta Alternator 3840181

Original price $1,365.00 - Original price $1,365.00
Original price
$1,365.00
$1,365.00 - $1,365.00
Current price $1,365.00
Only 1 left!

OEM Volvo Penta alternator assembly for reliable electrical charging performance in marine applications. Part Number: 3840181 This genuine Volvo ...

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Original price $1,365.00 - Original price $1,365.00
Original price
$1,365.00
$1,365.00 - $1,365.00
Current price $1,365.00

Volvo Penta D3 Starter Motor 30782228 | OEM 12V 2.2kW Marine Diesel

Original price $1,063.00 - Original price $1,063.00
Original price
$1,063.00
$1,063.00 - $1,063.00
Current price $1,063.00
Only 2 left!

Part Information Part Number: 30782228 Brand: Volvo Penta Official Product Type: Starter Motor — Complete Assembly Supersedes: 3848965, 380120...

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Original price $1,063.00 - Original price $1,063.00
Original price
$1,063.00
$1,063.00 - $1,063.00
Current price $1,063.00