| ACDELCO 25751146 Specifications |
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| Pulley Outside Diameter | 2.2 IN | | Pulley Outside Diameter | 57 mm | | Voltage | 12 2H | | Plug Clock Rear View Main Mounting Ear at 6 O Clock | 2 | | Terminal Connection Quantity | 2 | | Alternator Case Material | Aluminum | | Finish | Aluminum | | Fan Type | Internal | | Ground Type | Negative | | Rotation Direction | Clockwise | | AC Tap | No | | External Fan Included | Not Applicable | | One Wire Capable | No | | Pulley Included | Yes | | External Regulator Included | No | | Family | Nippondenso IR HP | | Pulley Groove Quantity | 6 | | Pulley Belt Type | Serpentine | | Regulator Type | Internal | | Amperage Rating | 155 68 | | Mounting Type | Side |
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Alternator Features/Benefits:
- New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent quality
- All components are 100% new to provide improved performance and long-life reliability
- Engineering enhancements to internal components are included to provide the latest, most efficient unit for your vehicle
- Key components are 100% greased and lubricated to ensure long-term reliability in harsh conditions
- All dimensions and key mounting surfaces and contact points are gauged and measured to ensure proper fit
 Not Sure Your Alternator is the Problem? When the battery goes dead, the condition of the battery and the alternator are two of the first things to check. However, do not assume that if the battery is good then the alternator must be bad and the cause of the problem.
Read These Electrical Troubleshooting Tips First!
ACDelco Quality ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.
| GM ORIGINAL EQUIPMENT |
| GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors. |
| ACDELCO GOLD (PROFESSIONAL) |
| ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors. |
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| OEM / Interchange Numbers: 25756441 |
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