Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Automotive Alternator |
| Rated Output | 170 Amps |
| Voltage System | 12V Automotive |
| Engine Compatibility | GM 3.6L V6 |
| Installation Position | Engine-Mounted |
| Replacement Type | OE-Style |
| Testing | No-Load, Load, Quality Control |
| Warranty | 12 Months |
| Condition | New Replacement Unit, as advertised |
OEM and Interchange Part Numbers
This alternator is advertised as a replacement for the following OE and aftermarket reference numbers:
GM/OE Reference Numbers:
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20838975
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23105717
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23279588
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25815839
Denso-Style Reference Numbers:
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104210-6160 / 1042106160
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104210-6310 / 1042106310
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104210-6311 / 1042106311
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TN104210-6311 / TN1042106311
Additional Interchange Numbers:
11252N, 11252, AND0481, 400-52153
These are identification and interchange references, not a guarantee that every listed number is interchangeable in every vehicle. Always compare the original equipment part number before purchasing.
Why Replace a Failing Alternator?
Your alternator does more than recharge your battery. It supplies electrical power while your engine is running, helping operate everything from the fuel injection system and engine management electronics to the headlights and interior accessories.
A failing alternator can cause several frustrating symptoms, including:
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Battery warning light illuminated on the dashboard
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Dim or flickering headlights
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Repeated dead batteries despite battery replacement
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Slow electrical accessory operation
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Unusual alternator bearing noise
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Low or unstable charging voltage
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Unexpected engine shutdown caused by insufficient electrical power
A weak battery isn’t always the real problem. Replacing the battery repeatedly while ignoring a failing charging system can become an expensive guessing game.
Before replacing the alternator, inspect the battery, drive belt, electrical connections, charging cables, and related control circuits to confirm the source of the problem.
Built for Dependable Everyday Performance
This 170 Amp replacement alternator is designed to restore factory-style charging performance in compatible GM crossover and SUV applications.
Its 170A rated output provides charging capacity for the electrical demands of properly matched vehicles, including factory lighting, air conditioning, engine electronics, and infotainment systems.
The manufacturer states that every alternator undergoes electrical testing under loaded and unloaded conditions to verify operation before shipment. This quality-control process is intended to reduce the likelihood of installation problems and premature failures.
Installation and Maintenance Recommendations
For the best results, inspect the complete charging system before installation. A defective battery, worn serpentine belt, poor ground connection, or damaged electrical connector can cause charging problems even with a new alternator.
Always disconnect the negative battery terminal before beginning replacement. Compare the new and original alternators for mounting points, pulley alignment, connector design, and output rating. Follow the vehicle manufacturer’s installation and torque procedures.
After installation, verify charging-system operation using an appropriate diagnostic procedure. Charging voltage can vary with battery condition, electrical load, temperature, and vehicle charging-system controls.
For more automotive maintenance advice, troubleshooting information, and DIY repair guides, visit My Pro Street Online, the automotive technical and editorial resource from Pro Street Online.
Why Buy Your Replacement Alternator From Pro Street Online?
At Pro Street Online, we understand that reliable electrical performance is essential to keeping your vehicle on the road.
Whether you’re repairing your family SUV, maintaining a daily driver, or tackling your next garage project, choosing the correct replacement components helps eliminate unnecessary downtime.
Restore your vehicle’s charging performance with this 170 Amp Replacement Alternator for select GM 3.6L V6 applications. Verify your OE part number, confirm compatibility, and get your vehicle back on the road with confidence.
Related Automotive Troubleshooting Guides
For additional internal linking and SEO relevance, include these verified My Pro Street Online articles:
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Why Is My Battery Light On? Causes and Diagnosis — Identify alternator failures, charging warnings, and battery problems.
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How to Perform an Automotive Voltage-Drop Test — Diagnose charging cable resistance and electrical ground problems.
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What Is Battery Registration? — Understand modern battery management and charging systems.
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