Discover the role of your vehicle's alternator, signs of alternator problems, and the costs associated with alternator repair and replacement. Ensure a reliable electrical system with informed decisions.
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GM Genuine Parts 321-2127 | Alternator
Part Number
321-2127
Special Price $301.75 Regular Price $327.99
In stock
Only 5 left
Estimated Ship Date: 1 Business Day or Less
ACDelco GM Original Equipment Light Duty Remanufactured Alternators are GM-recommended replacement for your vehicle's original alternator. Alternators provide power to your vehicle's electrical systems and charge the battery while the engine is running. ACDelco GM Original Equipment Light Duty Remanufactured Alternators are engineered for virtually every make and model of GM car, light duty truck, and sport utility vehicle. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. These alternators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Alternator
Alternator
BRAND: ACDelco
FEATURES:
- Components are tested to meet original specification requirements for remarkable durability
- Remanufactured to meet or exceed original equipment specifications and are performance-tested
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
SPECIFICS:
| 1068_in | 2.4 |
| 181_in | 1.02 |
| 181_mm | 26.0 |
| ACD_Reman_Sentence | Remanufactured - Not for sale where imports are restricted. |
| ACD_RemanDes | Remanufactured |
| ACD_RemanDesc_woNo | Remanufactured |
| Comparison Chart 1 | PL31_PL33_CC_NewRemanChart.jpg |
| FAQ - A1 | Yes. These alternators are designed to withstand a wide range of weather conditions. |
| FAQ - A2 | No. Some vehicles require more amperage than others depending on the amount of electronics that need to be operated. Consult the vehicle information for proper application. |
| FAQ - Q1 | Can I be assured that the unit will last, especially in extreme weather? |
| FAQ - Q2 | Do all alternators supply the same amperage? |
| Good Maintenance Practices - S1 B1 | There is a cooling fan in most alternators to keep it from overheating. Making sure that the fan is clean will help the fan and alternator run properly. |
| Good Maintenance Practices - S1 B2 | It is also important that all electrical connections are kept clean and firmly attached, which will make sure the battery is being properly charged by the alternator. |
| Marketing Statement - Product Line | Stay with the parts brand your General Motors vehicle came with and get the quality you know and trust with ACDelco GM Original Equipment Starters and Alternators. ACDelco GM OE replacement parts give you the peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Starter and Alternators are manufactured for virtually every model of GM car, light duty truck, and sport utility vehicle. |
| Mkt_State_Warranty_CA | 36 Months/60,000 KM (Parts Only). Please see ACDelcocanada.com for more details. |
| Mkt_State_Warranty_US | 24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details. |
| PAdb Update Date | 2014-09-09 |
| Signs of Wear & Troubleshooting - S1 B1 | Engine doesn't turn over or start |
| Signs of Wear & Troubleshooting - S1 B2 | Loss of battery power |
| Signs of Wear & Troubleshooting - S1 B3 | Some loss of electrical power (dimming headlight, etc.) |
| Signs of Wear & Troubleshooting - S1 B4 | Grinding or squeaking noise |
| Signs of Wear & Troubleshooting - S1 B5 | Alternator warning light illuminates |
| Signs of Wear & Troubleshooting - S1 H | Indicators that there could be a problem with your vehicle's alternator are: |
| Signs of Wear & Troubleshooting - S2 B1 | Bad battery |
| Signs of Wear & Troubleshooting - S2 B2 | Broken, frayed, or loose drive belt |
| Signs of Wear & Troubleshooting - S2 B3 | Electrical fault |
| Signs of Wear & Troubleshooting - S2 B4 | Worn or damaged bearings |
| Signs of Wear & Troubleshooting - S2 B5 | Corroded or loose battery terminal connection |
| Signs of Wear & Troubleshooting - S2 B6 | Burned fuses or fusible links |
| Signs of Wear & Troubleshooting - S2 H | Other vehicle parts that might cause related alternator problems include: |
| Signs of Wear & Troubleshooting - S3 B1 | Battery health |
| Signs of Wear & Troubleshooting - S3 B2 | Diagnostic trouble codes |
| Signs of Wear & Troubleshooting - S3 H | When making repairs on electrical systems, in-depth diagnosis is needed before parts replacement. This includes checking: |
| Vintage_Part_Indicator | N |
DOWNLOADS:
APPLICATIONS:
- 2005-2005 GMC Envoy XUV
- 150 AMP GEN(KG4)
- 2005-2005 GMC Envoy
- 150 AMP GEN(KG4)
- 2005-2005 Saab 9-7x
- 150 AMP GEN(KG4)
- 2002-2004 GMC Envoy
- 150 AMP GEN(KG4) AMPS 150
- 2002-2004 Chevrolet Trailblazer
- 150 AMP GEN(KG4) AMPS 150
- 2005-2005 GMC Envoy XL
- 150 AMP GEN(KG4)
- 2005-2005 Chevrolet Trailblazer
- 150 AMP GEN(KG4)
- 2002-2004 GMC Envoy XL
- 150 AMP GEN(KG4) AMPS 150
- 2005-2005 Buick Rainier
- 150 AMP GEN(KG4)
- 2002-2004 Oldsmobile Bravada
- 150 AMP GEN(KG4) AMPS 150
- 2003-2004 Isuzu Ascender
- 150 AMP GEN(KG4) AMPS 150
- 2005-2005 Chevrolet Trailblazer EXT
- 150 AMP GEN(KG4)
- 2005-2005 Isuzu Ascender
- 150 AMP GEN(KG4)
- 2004-2004 Buick Rainier
- 150 AMP GEN(KG4) AMPS 150
- 2004-2004 GMC Envoy XUV
- 150 AMP GEN(KG4) AMPS 150
- 2002-2004 Chevrolet Trailblazer EXT
- 150 AMP GEN(KG4) AMPS 150
Customer Questions
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