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          ACDelco 321-2155 Alternator

          Part Number
          321-2155
          AlternatorFits: 96-99 Chevrolet Astro, 96-97 Chevrolet Blazer, 96-99 Chevrolet C1500, 96-99 Chevrolet C1500 Suburban, 96-00 Chevrolet C2500, 96-99 Chevrolet C2500 Suburban, 96-00 Chevrolet C3500, 96-02 Chevrolet C3500HD, 96-00 Chevrolet Express 1500, 96-00 Chevrolet Express 2500, 96-00 Chevrolet Express 3500, 96-99 Chevrolet K1500, 96-99 Chevrolet K1500 Suburban, 96-00 Chevrolet K2500, 96-99 Chevrolet K2500 Suburban, 96-00 Chevrolet K3500, 96-97 Chevrolet S10, 96-00 Chevrolet Tahoe, 96-99 GMC C1500, 96-99 GMC C1500 Suburban, 96-00 GMC C2500, 96-99 GMC C2500 Suburban, 96-00 GMC C3500, 96-02 GMC C3500HD, 96-97 GMC Jimmy, 96-99 GMC K1500, 96-99 GMC K1500 Suburban, 96-00 GMC K2500, 96-99 GMC K2500 Suburban, 96-00 GMC K3500, 96-99 GMC Safari, 96-00 GMC Savana 1500, 96-00 GMC Savana 2500, 96-00 GMC Savana 3500, 96-97 GMC Sonoma, 96-00 GMC Yukon, 96-97 Oldsmobile Bravada, 99-00 Cadillac Escalade
          Special Price $171.69 Regular Price $201.99
          In stock
          Only 8 left
          Free Shipping
          Estimated Ship Date: 1 Business Day or Less
          main product photo
          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


          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_in2.2
          181_in0.86
          181_mm22.0
          183_in2.00
          183_mm51.0
          ACD_Reman_SentenceRemanufactured - Not for sale where imports are restricted.
          ACD_RemanDesRemanufactured
          ACD_RemanDesc_woNoRemanufactured
          Comparison Chart 1PL31_PL33_CC_NewRemanChart.jpg
          FAQ - A1Yes. These alternators are designed to withstand a wide range of weather conditions.
          FAQ - A2No. 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 - Q1Can I be assured that the unit will last, especially in extreme weather?
          FAQ - Q2Do all alternators supply the same amperage?
          Good Maintenance Practices - S1 B1There 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 B2It 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 LineStay 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_CA36 Months/60,000 KM (Parts Only). Please see ACDelcocanada.com for more details.
          Mkt_State_Warranty_US24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.
          PAdb Update Date2014-09-09
          Signs of Wear & Troubleshooting - S1 B1Engine doesn't turn over or start
          Signs of Wear & Troubleshooting - S1 B2Loss of battery power
          Signs of Wear & Troubleshooting - S1 B3Some loss of electrical power (dimming headlight, etc.)
          Signs of Wear & Troubleshooting - S1 B4Grinding or squeaking noise
          Signs of Wear & Troubleshooting - S1 B5Alternator warning light illuminates
          Signs of Wear & Troubleshooting - S1 HIndicators that there could be a problem with your vehicle's alternator are:
          Signs of Wear & Troubleshooting - S2 B1Bad battery
          Signs of Wear & Troubleshooting - S2 B2Broken, frayed, or loose drive belt
          Signs of Wear & Troubleshooting - S2 B3Electrical fault
          Signs of Wear & Troubleshooting - S2 B4Worn or damaged bearings
          Signs of Wear & Troubleshooting - S2 B5Corroded or loose battery terminal connection
          Signs of Wear & Troubleshooting - S2 B6Burned fuses or fusible links
          Signs of Wear & Troubleshooting - S2 HOther vehicle parts that might cause related alternator problems include:
          Signs of Wear & Troubleshooting - S3 B1Battery health
          Signs of Wear & Troubleshooting - S3 B2Diagnostic trouble codes
          Signs of Wear & Troubleshooting - S3 HWhen making repairs on electrical systems, in-depth diagnosis is needed before parts replacement. This includes checking:
          Vintage_Part_IndicatorN



          DOWNLOADS:




          APPLICATIONS:


          • 1997-1997 Chevrolet C2500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 Chevrolet Astro
            • EXCEPT RECREATION UPFITTER PKG(YF7) PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 2001-2002 GMC C3500HD
            • 100 AMP GENERATOR(K60) PROD 15757624 DELCO CS130D SERIES
          • 1997-1998 Chevrolet K2500 Suburban
          • 1997-1997 Chevrolet K2500 Suburban
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1997 GMC K2500 Suburban
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1997 Chevrolet Blazer
            • PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-1996 GMC C3500HD
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 Chevrolet K1500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 2001-2002 Chevrolet C3500HD
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) PROD 15757624 DELCO CS130D SERIES
          • 1996-1999 GMC K2500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 GMC K2500 Suburban
          • 1996-1997 Oldsmobile Bravada
            • PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-2000 GMC Savana 1500
            • 100 AMP GENERATOR(K60) PROD 10480167, 10480198 DELCO CS130D SERIES AMPS 100
          • 1996-2000 Chevrolet Express 3500
            • 100 AMP GENERATOR(K60) PROD 10480167, 10480198 DELCO CS130D SERIES AMPS 100
          • 1996-2000 Chevrolet C2500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 Chevrolet Express 2500
            • 100 AMP GENERATOR(K60) PROD 10480167, 10480198 DELCO CS130D SERIES AMPS 100
          • 1996-2000 GMC Savana 2500
            • 100 AMP GENERATOR(K60) PROD 10480167, 10480198 DELCO CS130D SERIES AMPS 100
          • 1996-2000 GMC Savana 3500
            • 100 AMP GENERATOR(K60) PROD 10480167, 10480198 DELCO CS130D SERIES AMPS 100
          • 1998-1998 GMC K2500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 Chevrolet C2500 Suburban
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 GMC C2500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 Chevrolet C2500
          • 1997-1998 GMC C2500 Suburban
          • 1997-1998 GMC K2500
          • 1996-1998 Chevrolet C3500HD
          • 1996-1998 GMC C3500HD
          • 1997-1997 GMC C3500HD
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1998-2000 GMC C3500HD
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 GMC C2500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1998 GMC C3500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-2000 Chevrolet C3500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1997 Chevrolet K2500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 GMC K1500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1996 Chevrolet C3500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 2001-2002 GMC C3500HD
          • 1996-1999 GMC C1500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1998 Chevrolet C3500
          • 1996-2000 Chevrolet C3500HD
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1998 GMC C3500
          • 1996-1999 Chevrolet Astro
            • 100 AMP GENERATOR(K60) PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-1999 GMC C1500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 Chevrolet Express 1500
            • 100 AMP GENERATOR(K60) PROD 10480167, 10480198 DELCO CS130D SERIES AMPS 100
          • 1996-1997 GMC Sonoma
            • PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-1999 GMC Safari
            • 100 AMP GENERATOR(K60) PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-1997 GMC Jimmy
            • PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-1999 GMC Safari
            • EXCEPT RECREATION UPFITTER PKG(YF7) PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 2001-2002 Chevrolet C3500HD
            • 100 AMP GENERATOR(K60) PROD 15757624 DELCO CS130D SERIES
          • 1997-1998 GMC C2500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 Chevrolet K3500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 GMC K2500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 Chevrolet K2500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1997 Chevrolet S10
            • PROD 10480167 DELCO CS130D SERIES AMPS 100
          • 1996-1999 Chevrolet C1500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 GMC C2500 Suburban
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-2000 GMC C3500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 Chevrolet K1500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 Chevrolet C2500 Suburban
          • 1996-1998 Chevrolet K3500
          • 1996-1999 Chevrolet C1500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 2001-2002 GMC C3500HD
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) PROD 15757624 DELCO CS130D SERIES
          • 1996-2000 GMC Yukon
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 GMC C2500
          • 1996-2000 Chevrolet K2500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1999 GMC K1500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-1997 Chevrolet C2500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1999-2000 Cadillac Escalade
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 GMC K3500
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1997-1998 Chevrolet K2500
          • 1996-1998 GMC K3500
          • 1996-1998 GMC K3500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1999-1999 Chevrolet C2500 Suburban
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 1998-1998 Chevrolet K3500
            • 100A DUAL GEN(KXB), DUAL GEN 100 AMP(8Z4) CODE ST DELCO CS130D SERIES AMPS 100
          • 1996-2000 Chevrolet Tahoe
            • 100 AMP GENERATOR(K60) CODE ST DELCO CS130D SERIES AMPS 100
          • 2001-2002 Chevrolet C3500HD
          Customer Questions
          Will the alternator drain my battery?
          No, the alternator is not designed to drain the battery. Instead, it charges the battery while the engine is running. If your battery is being drained, it could be due to a variety of factors, and it's recommended to have your vehicle inspected by a mechanic.
          Read More
          How do alternators work?
          Alternators convert mechanical energy from the engine into electrical energy to power the vehicle's electrical system and charge the battery. They consist of a rotor, stator, and voltage regulator, which work together to produce electrical energy that is used to power the vehicle's electrical components and charge the battery.
          Read More
          Which alternator do I need?
          To determine which alternator you need, consider your vehicle's make and model, engine size, and electrical system requirements.
          Read More
          Which alternator system is controlled by the PCM?
          The variable voltage alternator system is commonly controlled by the PCM in modern vehicles.
          Read More
          Does AC Delco make Ford parts?
          No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
          Read More
          Can I use AC Delco parts to replace OEM parts?
          Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
          Read More
          What AC Delco oil filter do I need?
          AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
          Read More
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          Compatible Vehicles

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