The replacement alternator for a 2002 Buick Century typically runs about $120 to $350, depending on brand and whether the unit is remanufactured, new, or OEM. Labor, if you hire a shop, is extra.
In detail, the Century’s 3.1-liter V6 commonly uses a 105–110 amp alternator. The exact price you encounter varies by retailer, warranty, core charges, and whether you buy aftermarket or GM OEM parts. The sections below break down typical price bands, influencing factors, and where to shop.
Current market pricing at a glance
Prices vary by retailer and the unit type. The ranges below reflect common listings from major auto parts stores and online retailers for the 2002 Buick Century.
- Remanufactured aftermarket: typically about $120–$180
- New aftermarket (non-OEM): typically about $180–$260
- OEM remanufactured (GM/ACDelco or dealer): typically about $250–$350
- Core charge may apply or be refunded depending on seller
These figures do not include taxes, shipping, or potential labor charges. Availability and exact pricing can vary by region and vehicle specification.
Factors that affect price
Several elements influence the final price of an alternator for this model beyond the broad type category.
- Brand and supplier (chain stores vs. independent retailers vs. dealer)
- Core charge and the policy for returning the old unit
- Warranty length and coverage
- New vs. remanufactured status and any associated testing or guarantees
- Amperage rating and compatibility with your vehicle’s electrical system
Understanding these factors helps you compare quotes accurately and avoid surprises at checkout.
Where to buy
Options for purchasing an alternator include brick-and-mortar stores, online retailers, and dealer networks. The following sources are common for a 2002 Buick Century.
- Auto parts stores (AutoZone, Advance Auto Parts, O’Reilly): broad selection; remanufactured units typically in the $120–$200 range, plus tax
- Online retailers and marketplaces (RockAuto, Amazon): often competitive pricing with multiple brands
- GM/ACDelco OEM remanufactured through a dealer or authorized supplier: higher price but OEM fit and warranty
- Used or salvaged units (not recommended for reliability): lower price but greater risk
Before purchasing, verify compatibility with your VIN, confirm the amperage rating (usually 105–110A for this model), and check return and warranty terms.
Compatibility and installation considerations
To ensure the correct unit, confirm the amperage rating, mounting bracket, pulley type, and electrical connector matches your vehicle’s specifications. If you plan professional installation, labor costs will vary by shop and region; DIY installation may require basic hand tools and a serpentine belt tool.
Summary
For a 2002 Buick Century, expect to pay roughly $120–$350 for the alternator itself, with core charges and retailer differences influencing the exact price. Labor is extra if you have a shop install it. Compare several sources, verify VIN-specific compatibility, and choose a unit that offers the best blend of price, warranty, and fit for your vehicle’s electrical demands.
How much is a 2002 Buick Century worth now?
A 2002 Buick Century has depreciated $891 or 48% in the last 3 years and has a current resale value of $950 and trade-in value of $600.
What common problems did the 2002 century have?
Top 2002 Buick Century Problems
- Intake Manifold Gaskets May Leak Coolant or Engine Oil.
- Power Window Switch May Fail.
- Transmission Pressure Control Solenoid Failure May Cause Erratic Shifting.
- Power Window Motors May Fail From Overheating.
- Check Engine Light Due to Gas Cap Issue.
How much is an alternator for a Buick Century?
between $446 and $524
Buick Century Alternator Replacement Cost by Year
The average cost for a Buick Century Alternator Replacement is between $446 and $524 but can vary from car to car.
How much is a new alternator for a Buick?
The average cost for a Buick Enclave Alternator Replacement is between $734 and $1,452. Labor costs are estimated between $348 and $511 while parts are priced between $385 and $941.