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ACDelco 84009360 - Alternator
Product Overview
The ACDelco 84009360 Alternator is an essential component designed to recharge your vehicle's battery and power the electrical system when the engine is running. Built to OE-level standards, this alternator guarantees reliability, optimal performance, and a perfect fit for your vehicle. ACDelco is a trusted brand known for its quality and durability, making it an ideal choice for Buick, Chevrolet, and Pontiac vehicles. Choose ACDelco 84009360 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This ACDelco 84009360 is equivalent to or replaces the following part numbers:
Vehicle Compatibility
- Buick LaCrosse 2008-2009 5.3 V8
- Chevrolet Monte Carlo 2006-2007 5.3 V8
- Chevrolet Impala 2006-2009 5.3 V8
- Pontiac Grand Prix 2005-2008 5.3 V8
This also fits other applications. Please use the vehicle selector tool to verify fitment.
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Frequently Asked Questions
What are the symptoms of a failing alternator?
Common symptoms include dimming headlights, electrical issues, and warning lights on your dashboard. If you're experiencing these symptoms, it might be time to consider replacing your alternator with the ACDelco 84009360.
How do I know if the ACDelco 84009360 is compatible with my vehicle?
To confirm compatibility, check the vehicle fitment details provided above or consult the vehicle selector tool on our site.
What Diagnostic Trouble Codes (DTCs) should I look for?
Common DTCs related to alternator issues include P0620, P0621, and P0630. If you encounter any of these codes, the ACDelco 84009360 alternator may be the solution you need.
How often should I replace my alternator?
It's generally recommended to inspect your alternator every 60,000 to 100,000 miles. If you notice any performance issues, consider replacing it with ACDelco 84009360 for optimal reliability.
Order ACDelco 84009360 today for a factory-correct replacement that restores safety and performance.
- BrandACDelco
- ManufacturerACDelco
- MPN84009360
- Part TypeAlternator
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2006 | Chevrolet | Impala | SS (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: 135 AMP GEN(KW3) |
| 2006 | Chevrolet | Monte Carlo | SS (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: 135 AMP GEN(KW3) |
| 2006 | Pontiac | Grand Prix | GXP (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: AMPS 135, 135 AMP GEN(KW3) |
| 2007 | Chevrolet | Impala | SS (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: 135 AMP GEN(KW3) |
| 2007 | Chevrolet | Monte Carlo | SS (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: 135 AMP GEN(KW3) |
| 2007 | Pontiac | Grand Prix | GXP (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: AMPS 135, 135 AMP GEN(KW3) |
| 2008 | Buick | LaCrosse | Super (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: AMPS 135, 125 AMP(KG7) |
| 2008 | Chevrolet | Impala | SS (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: 135 AMP GEN(KW3) |
| 2008 | Pontiac | Grand Prix | GXP (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: AMPS 135, 135 AMP GEN(KW3) |
| 2009 | Buick | LaCrosse | Super (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: AMPS 135, 125 AMP(KG7) |
| 2009 | Chevrolet | Impala | SS (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: 135 AMP GEN(KW3) |
| 2005 | Pontiac | Grand Prix | GXP (5.3 V8 GAS) | Engine: LS4, VIN: C, Notes: AMPS 135, 135 AMP GEN(KW3) |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.







