GM Genuine Parts 321-2156 | Alternator

Part Number

321-2156

Alternator

Fits: 96-99 Chevrolet Astro, 96-99 Chevrolet C1500, 96-99 Chevrolet C1500 Suburban, 96-00 Chevrolet C2500, 96-99 Chevrolet C2500 Suburban, 96-00 Chevrolet C3500, 96-00 Chevrolet C3500HD, 96-99 Chevrolet K1500, 96-99 Chevrolet K1500 Suburban, 96-00 Chevrolet K2500, 96-99 Chevrolet K2500 Suburban, 96-00 Chevrolet K3500, 96-99 Chevrolet Tahoe, 96-99 GMC C1500, 96-99 GMC C1500 Suburban, 96-00 GMC C2500, 96-99 GMC C2500 Suburban, 96-00 GMC C3500, 96-00 GMC C3500HD, 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, 96-99 GMC Yukon, 99 Cadillac Escalade, 99 GMC Sierra 2500

$226.99

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Details

Alternator

BRAND: ACDelco

SPECIFICS:

1068_in	2.2
181_in	0.86
181_mm	22.0
183_in	2.00
183_mm	51.0
ACD_Reman_Sentence	Remanufactured - Not for sale where imports are restricted.
ACD_RemanDes	Remanufactured
ACD_RemanDesc_woNo	Remanufactured
Amperage Rating	105
Comparison Chart 1	PL31_PL33_CC_NewRemanChart.jpg
External Regulator Included	No
Family	Delco CS130D
Fan Type	Internal
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?
Features & Benefits - B1	Remanufactured to meet or exceed original equipment specifications and are performance-tested
Features & Benefits - B2	Components are tested to meet original specification requirements for remarkable durability
Features & Benefits - B3	Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
Features & Benefits - B4	Tested to ensure they perform to GM specifications
Finish	Aluminum
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.
Ground Type	Negative
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.
Mounting Type	1 Pivot Foot
One Wire Capable	No
PAdb Update Date	2014-09-09
Plug Clock Rear View Main Mounting Ear at 6 O Clock	5
Product Description	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.
Programming Required	NO
Pulley Belt Type	Serpentine
Pulley Groove Quantity	6
Pulley Included	Yes
Regulator Type	Internal
Rotation Direction	Clockwise
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
Voltage	12

DOWNLOADS:

APPLICATIONS:

1996-2000 Chevrolet K2500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 GMC C3500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet C1500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 Chevrolet C3500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 GMC C2500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 Chevrolet C2500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet Tahoe

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC K1500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC Safari

RECREATION UPFITTER PKG(YF7) PROD 10480168 DELCO SERIES CS130D AMPS 105

1999-1999 Cadillac Escalade

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 Chevrolet K3500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet C1500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet C2500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 GMC K2500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC Yukon

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 GMC C3500HD

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC C1500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1999-1999 GMC Sierra 2500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC C2500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC K1500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet Astro

105 AMP GENERATOR(K68) PROD 10480168 DELCO SERIES CS130D AMPS 105

1996-1999 GMC Safari

105 AMP GENERATOR(K68) PROD 10480168 DELCO SERIES CS130D AMPS 105

1996-2000 GMC K3500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet K1500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 GMC K2500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet K2500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet Astro

RECREATION UPFITTER PKG(YF7) PROD 10480168 DELCO SERIES CS130D AMPS 105

1996-1999 GMC C1500 Suburban

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-1999 Chevrolet K1500

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

1996-2000 Chevrolet C3500HD

105 AMP GENERATOR(K68), 105 AMP(8W5) DELCO SERIES CS130D AMPS 105

Product Questions (8)

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.

Which alternator system is controlled by the PCM?

The variable voltage alternator system is commonly controlled by the PCM in modern vehicles.

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.

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.

Which alternator do I need?

To determine which alternator you need, consider your vehicle's make and model, engine size, and electrical system requirements.

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.

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.

Learn About Alternator Repair Cost

Replacing your car's alternator yourself can be an option to save on repair costs. PartsHawk.com offers a variety of new and remanufactured alternators to fit your needs. However, keep in mind that DIY alternator repair is for those who are comfortable working on cars and have the necessary tools.