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Alternator for 1999 GMC Sonoma

We have 23 Items In-stock. Select your vehicle's Submodel to continue.

Quality-Built New Alternator

Quality-Built New Alternators are the trusted series when it comes to reliability and durability. Engineered wholly for a new boost to the vehicle's electrical system, these alternators make sure that consumers' needs come first.

Other Features and Benefits:

  • 100% new casing and components tested and engineered to achieve the highest level of functionality
  • Outstanding customer service -- comes with two-year roadside assistance and a toll-free support hotline
Quality-Built Alternator, New, Direct Fit, Sold Individually
$96.77 List Price $114.19 Save $17.42 Availability: In Stock
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  • SKU#: MPA8231605N
  • Product Color/Finish: Factory finish
  • Amperage Output: 100
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Complimentary 24/7 Quality-Built (QB) Roadside Assistance Program (RAP)
  • Regulator Style: Internal
  • Rotation: Clockwise
  • Warranty: Lifetime Quality-Built limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 6 Cyl 4.3L | SL, SLE, SLS
Quality-Built Alternator, New, Direct Fit, Sold Individually
$105.51 List Price $124.50 Save $18.99 Availability: In Stock
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  • SKU#: MPA8233607N
  • Product Color/Finish: Factory finish
  • Amperage Output: 100
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Complimentary 24/7 Quality-Built (QB) Roadside Assistance Program (RAP)
  • Regulator Style: Internal
  • Rotation: Clockwise
  • Warranty: Lifetime Quality-Built limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 4 Cyl 2.2L | SLE, SL, SLS

USA Industries Remanufactured Alternator

When fixing the alternator of your electrical system, USA Industries offers the best original equipment auto component for your vehicle. To guarantee precise fit and ideal functionality, USA Industries Remanufactured OE Replacement Alternator was created to match or go beyond Original Equipment Manufacturing automotive parts technical standards.

Go for USA Industries' alternators and assorted products when it's about time to change your damaged automotive part. As opposed to putting up with unreliable out of date and broken auto parts and risk damaging many other automotive sections, it is far better to change them with fresh automotive components. Enable your electrical to run at the most proficiency and drive with full self confidence.

USA Industries Alternator, Remanufactured, Direct Fit, Sold Individually
$86.64 List Price $102.24 Save $15.60 Availability: In Stock Core Deposit $80.52
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  • SKU#: US82338
  • Product Color/Finish: Factory finish
  • Amperage Output: 100
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Includes: Pulley
  • Regulator Style: Internal
  • Warranty: USA Industries limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 4 Cyl 2.2L | SLE, SL, SLS
USA Industries Alternator, Remanufactured, Direct Fit, Sold Individually
$87.00 List Price $102.66 Save $15.66 Availability: In Stock Core Deposit $80.52
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  • SKU#: US82315
  • Product Color/Finish: Factory finish
  • Amperage Output: 105
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Includes: Pulley
  • Regulator Style: Internal
  • Warranty: USA Industries limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 6 Cyl 4.3L | SL, SLE, SLS

USA Industries New OE replacement Alternator

Working with USA Industries OE Replacement Alternator definitely makes the whole process of correcting your electrical system much less problematic. With qualities and styles that satisfy or surpass the technical standards of their OEM counterparts, these alternators are able to definitely rescue your automobile both from decline in performance and unexpected break down. USA Industries OE Replacement Alternators are likewise solid with regards to general performance and durability, for these auto parts are not only patterned after the Original Equipment Manufacturer alternator, they are also fabricated from the finest quality materials using superior production systems.

Bringing back a car's electrical system to its best condition may be accomplished in many ways, the easiest of which is through replacing the non-functional component with new OE quality replacement. Pinching on car repairs and overlooking signs and symptoms of damage and wear to the point where they begin impacting the condition of the adjacent parts or the whole vehicle itself just complicates the repair process. For more comfortable trips and worry-free auto fixes, change parts the minute they reveal evidence of breakdown.

USA Industries Alternator, New, Direct Fit, Sold Individually
$106.60 List Price $125.79 Save $19.19 Availability: In Stock
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  • SKU#: USI502833
  • Product Color/Finish: Factory finish
  • Amperage Output: 100
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Includes: Pulley
  • Warranty: USA Industries limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 4 Cyl 2.2L | SLE, SL, SLS

Powermaster High-Performance Alternators for GM Engines

POWERMASTER HIGH-PERFORMANCE ALTERNATORS FOR GM ENGINES

Making upgrades to your classic GM vehicle but you want to retain the original look? Reinforce your vehicle’s electrical system with a Powermaster High-Performance Alternator to keep the classic GM look under hood but with reliable state-of-the-art innards. If your vehicle is equipped with a powerful aftermarket audio system, your stock alternator will be underpowered and overburdened at times by trying to supply power to both electronics and your engine. This causes your vehicle’s lights to dim and battery to drain. Installing a Powermaster High-Performance Alternator on a modified engine will provide the extra electrical power needed, starting from idle all the way to the redline. Powermaster is best known as a specialist performance manufacturer, providing high performance alternators and starters primarily for American cars, trucks and SUVs.

  • Manufactured in the U.S.A
  • Perfect for classic GM restorations
  • Popular GM cases such as CS130, 12SI and 17SI and many others are all made by Powermaster
  • Excellent idle output
  • Choose from five finishes chrome, satin, natural, black or polished
  • Choice of 1-wire or original 3-wire style installations
  • Every Powermaster alternator is tested before it leaves the factory, (certificate of testing included)
Powermaster Alternator, Powermaster GM High-Performance, New, Direct Fit
$253.66 List Price $299.32 Save $45.66 Availability: In Stock
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  • SKU#: P6658231
  • Quantity Sold: Sold Individually
  • Product Color/Finish: Black
  • Amperage Output: 165
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: Performance
  • Style: GM CS130D
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Pulley, PLFS voltage regulator
  • Notes: Fits GM CS130D Style; Dual Internal Fans; 4.10 In.; PLFS Terminal
  • Number of Wires: 1 Wire or Factory Connection
  • Regulator Style: Internal
  • Voltage: 12V
  • Warranty: 1-year Powermaster limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 6 Cyl 4.3L | SL, SLE, SLS
Powermaster Alternator, Powermaster GM High-Performance, New, Direct Fit
$253.66 List Price $299.32 Save $45.66 Availability: In Stock
  • Free Ground Shipping
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  • SKU#: P6658233
  • Quantity Sold: Sold Individually
  • Product Color/Finish: Black
  • Amperage Output: 165
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: Performance
  • Style: GM CS130D
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: PLFS voltage regulator
  • Notes: Fits GM CS130D Style; Dual Internal Fans; Offset Left Mount (4.65 In.); PLFS Terminal
  • Number of Wires: 1 Wire or Factory Connection
  • Regulator Style: Internal
  • Voltage: 12V
  • Warranty: 1-year Powermaster limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 4 Cyl 2.2L | SLE, SL, SLS
Powermaster Alternator, Powermaster GM High-Performance, New, Direct Fit
$285.38 List Price $336.75 Save $51.37 Availability: In Stock
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  • SKU#: P6638231
  • Quantity Sold: Sold Individually
  • Product Color/Finish: Chrome
  • Amperage Output: 165
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: Performance
  • Style: GM CS130D
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Fits GM CS130D Style; Dual Internal Fans; 4.10 In.; PLFS Terminal
  • Number of Wires: 1 Wire or Factory Connection
  • Regulator Style: Internal
  • Voltage: 12V
  • Warranty: 1-year Powermaster limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 6 Cyl 4.3L | SL, SLE, SLS

Denso New Alternator

Denso Alternator (Remanufactured)

Denso is the world's leading provider of high quality automotive merchandises which are engineered from the modernized facilities and equipments. Denso's proficiencies with their products are better than rivals as they initially built them along with their strict and valued standards.

Denso's remanufactured Alternators are fully tested to OE standards and re-packed with OE-grade lubricants which provide exceptional reliability. Every core goes through a rigorous quality control process prior to being accepted for remanufacturing.

Denso Alternator, Remanufactured, Direct Fit, Sold Individually
$127.23 List Price $310.65 Save $183.42 Availability: In Stock Core Deposit $41.48
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  • SKU#: NP2105120
  • Product Color/Finish: Factory finish
  • Amperage Output: 100
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Pulley
  • Regulator Style: Internal
  • Rotation: Clockwise
  • Warranty: 12-month or unlimited-mile Denso limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 6 Cyl 4.3L | SL, SLE, SLS
Denso Alternator, Remanufactured, Direct Fit, Sold Individually
$147.14 List Price $339.76 Save $192.62 Availability: In Stock Core Deposit $41.48
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  • SKU#: NP2105115
  • Product Color/Finish: Factory finish
  • Amperage Output: 100
  • Number of Grooves: 6
  • Pulley Type: Serpentine
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Pulley
  • Regulator Style: Internal
  • Rotation: Clockwise
  • Warranty: 12-month or unlimited-mile Denso limited warranty
see more Fits the following 1999 GMC Sonoma submodels:
  • 4 Cyl 2.2L | SLE, SL, SLS