bproauto Alternators
No results found for "alternator". Here are some helpful search tips:
- Search by a part name. Example: water pump.
- Be less specific. Example: brake instead of ceramic brake.
- Remove information such as make, year or model.
- Can't find the part you are looking for? Contact us and we'll find it for you!
Prevent Electrical Problems by Servicing Your Alternator
Big box stores and chains might be cheaper, but they can't guarantee the parts you're buying are genuine. Your alternator converts mechanical energy from the engine into electrical current that powers all vehicle systems and recharges the battery. This generator-like component operates constantly while the engine runs, supplying voltage to everything from fuel injectors to entertainment systems. Alternator failure leaves you stranded with a dead battery and no way to start the vehicle.
How Alternators Generate Electrical Current
A belt-driven pulley connects your alternator to the engine crankshaft, spinning an internal rotor at thousands of revolutions per minute. This rotor moves through stationary copper wire coils called stator windings, creating alternating current through electromagnetic induction. Diodes within the alternator convert this alternating current into direct current that your vehicle's electrical system requires. A voltage regulator maintains output between 13.5 and 14.5 volts, preventing battery overcharge or undercharge conditions. The alternator must produce enough current to run all accessories while simultaneously charging the battery.
Signs Your Alternator Needs Replacement
Alternators typically function properly for 100,000 to 150,000 miles before internal components wear out. Dimming headlights or interior lights indicate declining alternator output that cannot meet electrical demands. Warning lights on the dashboard, especially the battery symbol, signal charging system problems. Whining or grinding sounds from the alternator area suggest bearing failure. Aftermarket alternators often use inferior copper windings and cheaper bearings that fail prematurely under load. Genuine bproauto alternators deliver consistent amperage output matched to your vehicle's specific electrical requirements. Always inspect belts and hoses when replacing an alternator to ensure proper drive system operation.
Enjoy fast shipping from Brunswick Auto Mart's team, with a fair return policy for your peace of mind.