Expect to pay roughly $60 to $350 for a replacement alternator for a 2006 Chevy Impala, depending on whether you choose a remanufactured unit, a new OEM part, or an aftermarket option, with labor extra if you have a shop install it.
What you’ll typically pay
Prices vary widely depending on whether you buy remanufactured, new OEM, or aftermarket units, plus potential labor charges. Here’s a snapshot:
- Remanufactured/rebuilt alternator: roughly $60–$180.
- New OEM/Delco or other manufacturer-grade alternator: roughly $180–$350.
- Aftermarket new units (non-OEM): roughly $100–$200.
- Core charge: commonly $0–$60, usually refunded when you return the old unit.
- Labor (if installed by a shop): about $70–$150 per hour; typical job time 1–3 hours, depending on vehicle access.
Prices vary by vendor, location, and availability; always check the current listing and whether a warranty is included.
Where to buy
Where you buy can affect price, warranty, and return policy; typical options include:
- Auto parts retailers (AutoZone, O'Reilly, Advance): remanufactured units often in the $80–$160 range; new OEMs often $200–$350; warranties commonly 1–2 years for remanufactured, with varying terms for OEM parts.
- Online retailers (RockAuto, other catalogs): prices can be lower due to catalog discounts; remanufactured often $70–$150; new OEM $170–$320; watch for shipping charges.
- Dealerships (GM/GM parts): usually the highest price, typically $250–$350 for a new OEM unit, with robust warranty terms.
- Used or rebuilt shops/marketplaces: price can be lower but reliability varies; verify warranty and return policies.
These prices reflect common listings and may vary by region, availability, and shipping. Always confirm the exact amperage rating and mounting requirements before purchase.
How to choose the right part
Key factors to verify before purchasing:
- Amperage rating: common ranges for this era are roughly 105–150 amps; confirm the exact spec needed for your vehicle.
- Mounting and pulley compatibility: ensure the bracket, bolt pattern, and belt pulley match your engine configuration.
- Electrical connectors: verify the plug type and wire count (some late-model Chevy configurations use specific connector arrangements).
- Warranty: look for at least 1 year; longer warranties can indicate higher quality or better coverage.
- Core return policy: know whether a core charge is refunded and how to return the old unit.
By checking these details, you reduce the risk of getting the wrong part and improve the odds of reliable performance.
Installation considerations and costs
Labor costs vary widely by region and shop, and may affect total installed price. Here’s what to expect:
- Average labor time: 1–2 hours for a straightforward replacement; more if access is tight or ancillary components are involved.
- Shop rates: can range from about $70 to $150 per hour depending on location and facility.
- Total installed price: typically $150 to $500 or more, depending on the part price, labor, and any additional checks (belt replacement, charging-system diagnostics).
Always obtain a written estimate that itemizes the part price, labor, and any warranties on the work performed.
Summary
For a 2006 Chevy Impala, replacement alternator prices generally span from about $60 to $350 for the part itself, plus possible core charges and installation costs. Your final total hinges on whether you choose a remanufactured, new OEM, or aftermarket unit, plus where you buy and whether you handle installation yourself or hire a shop. Compare multiple retailers, verify compatibility (amperage, mounting, connectors), and review warranty terms to make the best-informed choice. If in doubt, a local mechanic can confirm the exact specification needed for your vehicle and provide an complete installed total.


