A typical alternator replacement for a 2013 Buick LaCrosse runs about $300 to $600 installed. The final price depends on whether you buy an aftermarket remanufactured unit or an OEM/new part and on your local labor rates.
For context, the LaCrosse lineup included both gasoline V6 models and, in some trims, an eAssist hybrid variant. The eAssist setup uses a different generator and can affect part availability and price. Availability, warranty terms, and whether a core charge applies can also influence the final bill, depending on where you shop.
Part options and estimated pricing
Prices vary by source and the type of part. The ranges below reflect common market values for the 2013 LaCrosse as of 2024–2026.
New OEM parts
For OEM or dealer-sourced units, price tends to be higher but often includes a longer warranty and guaranteed fit. The price for the part typically ranges from roughly $250 to $450, depending on engine variant and supplier.
- Part price range: $250–$450
- Warranty typically: 2–3 years or 24k–36k miles
- Notes: May require dealership logo or specific part numbers
Conclusion: New OEM units offer the best fit and longer warranty but cost more than aftermarket remanufactured options.
Remanufactured aftermarket parts
Remanufactured alternators from aftermarket brands are generally cheaper but vary in warranty and quality. Expect part prices roughly in the $100 to $300 range, with some outlets offering 1–3 year warranties. Some purchases may require a core return.
- Part price range: $100–$300
- Warranty typically: 1–3 years
- Notes: Core exchange or return may apply
Conclusion: Remanufactured units save money upfront but verify warranty terms, core exchange requirements, and compatibility with your LaCrosse’s configuration.
Labor and total installed cost considerations
Labor costs depend on your location and the shop’s hourly rate. Replacing an alternator generally takes about 1 to 2 hours, depending on engine access and whether the belt/ pulley needs replacement. At typical shop rates of $80 to $150 per hour, labor could run roughly $80 to $300. When you add the part, the total installed price typically ranges from about $380 to $900, influenced by part choice, warranty, and local labor rates.
Summary
For a 2013 Buick LaCrosse, a ballpark installed price for an alternator replacement is between $380 and $900, with part prices ranging from roughly $100 to $450 depending on OEM versus remanufactured options. Always confirm compatibility with your exact engine variant (gasoline V6 or eAssist, if applicable), check warranty terms, and verify whether a core charge or exchange applies. Getting quotes from multiple retailers and local shops will help you pinpoint the best balance of price, warranty, and reliability.


