VolvoElectrical Parts

20802191 — Alternator Voltage Regulator 20802191 For Volvo Fh12 Fh16 Fm Fmx Chevrolet Equinox Gmc Terrain Mercedes-Benz Travego Actros

This alternator voltage regulator precisely controls the alternator's output voltage, ensuring the vehicle's electrical system and battery receive a stable charge. It prevents overcharging or undercharging, which can damage electrical components and the battery. Symptoms of a faulty regulator include dimming headlights, a dead battery, or a battery warning light illuminated on the dashboard.

Alternator Voltage Regulator 20802191 For Volvo Fh12 Fh16 Fm Fmx Chevrolet Equinox Gmc Terrain Mercedes-Benz Travego Actros – Part No 20802191 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryElectrical Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

const P = { partNo:'20802191', name:'Alternator Voltage Regulator 20802191 For Volvo Fh12 Fh16 Fm Fmx Chevrolet Equinox Gmc Terrain Mercedes-Benz Travego Actros', brand:'Volvo', brandSlug:'volvo', category:'Electrical Parts', catSlug:'electrical-parts', condition:'OEM Aftermarket', description:'This alternator voltage regulator precisely controls the alternator\'s output voltage, ensuring the vehicle\'s electrical system and battery receive a stable charge. It prevents overcharging or undercharging, which can damage electrical components and the battery. Symptoms of a faulty regulator include dimming headlights, a dead battery, or a battery warning light illuminated on the dashboard.', xref:['20802191'], models:["Fh12", "Fh16", "Fm", "Fmx", "Equinox", "Terrain", "Travego", "Actros"], specs:[{key:'Part No',val:'20802191'},{key:'Brand',val:'Volvo'},{key:'Category',val:'Electrical Parts'},{key:'Condition',val:'Aftermarket — OEM Specification'},{key:'Dispatch',val:'Same-day from Mumbai (before 3 PM IST)'},{key:'GST Invoice',val:'Available — all orders'},{key:'Export Docs',val:'Commercial invoice, packing list, COO'}], relatedParts:[{"partNo": "NLFP210430005", "name": "Alternator 0-12046-8094 For Volvo Excavator Ec210", "slug": "NLFP210430005"}, {"partNo": "15047336", "name": "Oil Pressure Sensor Voe15047336 For Volvo Truck A25E A30E A35E A40E Ex", "slug": "15047336"}, {"partNo": "30658179", "name": "Crankshaft Position Sensor 30658179 1119150 For Volvo C30 S40 Ii S80 I", "slug": "30658179"}, {"partNo": "FPPK2508337", "name": "Water Temperature Sensor Plug Voe14700121 For Volvo Excavator Ec210 Ec", "slug": "FPPK2508337"}, {"partNo": "CYFP0227HFPF230263", "name": "24V Nitrogen Oxide Sensor Voe21984358 Voe22219283 5Wk97371 For Volvo T", "slug": "CYFP0227HFPF230263"}, {"partNo": "70377112", "name": "Switch Voe70377112 For Volvo L180F L150H L350F L220H A30F A35F Ew160E ", "slug": "70377112"}], reviews:[{name:'Customer',loc:'UAE',rating:5,text:'Excellent quality part. Fits perfectly.'}], faq:[{q:'What is the function of a voltage regulator?',a:'It maintains a steady voltage output from the alternator, protecting the battery and electrical components from voltage fluctuations.'},{q:'How can I test if my voltage regulator is bad?',a:'You can test it by measuring the voltage output at the battery terminals while the engine is running; readings outside the specified range indicate a potential issue.'},{q:'Will this regulator work with my specific alternator model?',a:'This regulator is designed to meet OEM specifications for the listed models, ensuring proper compatibility with the original alternator.'},{q:'What are the signs of a failing voltage regulator?',a:'Common signs include a battery warning light, dimming lights, or electrical accessories malfunctioning due to insufficient or excessive voltage.'}], categoryDesc:'Volvo Electrical Parts from Parts Trading Company cover the full range of Volvo equipment. We supply OEM-specification aftermarket parts sourced from certified manufacturers. Our Mumbai warehouse stocks high-turnover Volvo parts for same-day dispatch before 3 PM IST.', aiSpecs:[{"key": "Part Type", "val": "Alternator Voltage Regulator"}, {"key": "Material", "val": "Electronic components and plastic housing"}, {"key": "Application", "val": "Alternator charging system"}, {"key": "Service Life", "val": "Replace as needed based on diagnostic codes"}, {"key": "Compatibility", "val": "OEM specification"}, {"key": "Condition", "val": "New \u2014 OEM specification aftermarket"}],};script src="/assets/js/product-page.js">

Related Volvo Parts

From the same category — may also be needed

NLFP210430005
Alternator 0-12046-8094 For Volvo Excavator Ec210
15047336
Oil Pressure Sensor Voe15047336 For Volvo Truck A25E A30E A35E A40E Ex
30658179
Crankshaft Position Sensor 30658179 1119150 For Volvo C30 S40 Ii S80 I
FPPK2508337
Water Temperature Sensor Plug Voe14700121 For Volvo Excavator Ec210 Ec
CYFP0227HFPF230263
24V Nitrogen Oxide Sensor Voe21984358 Voe22219283 5Wk97371 For Volvo T
70377112
Switch Voe70377112 For Volvo L180F L150H L350F L220H A30F A35F Ew160E

Browse all Volvo Electrical Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAlternator Voltage Regulator
MaterialElectronic components and plastic housing
ApplicationAlternator charging system
Service LifeReplace as needed based on diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing voltage regulator may first present as intermittent dimming of headlights or dashboard lights. If left unaddressed, the battery may become consistently undercharged, leading to starting issues, or overcharged, causing premature battery failure and damage to sensitive electronics. The ultimate consequence is a loss of electrical power, potentially stranding the vehicle.

Installation Tip

Disconnect the battery before replacing the voltage regulator to prevent electrical shorts. Ensure all electrical connections are clean and tight after installation to guarantee proper current flow.

Service Note

Inspect the alternator brushes and slip rings for wear when replacing the voltage regulator.