Alternator 140A for Buick Lucerne V6 3.9L OHV CX CXL Sedan 2009-2011 4-Door CW
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- Buick Lucerne CX and CXL sedans, 2009–2011, 3.9L V6 — verify OE alternator rating
Product Overview
A charging warning light, low system voltage or a battery that repeatedly goes flat can indicate a failing alternator. Test the battery, belt drive, cable connections and charging output before replacement.
Key Features & Performance
- It provides charging power for the battery and vehicle electrical systems
- Intended application: Buick Lucerne CX and CXL sedans, 2009–2011, 3.9L V6 — verify OE alternator rating
- Important installation check: Compare the pulley, mounting ears, connector, case clocking and 140A output with the original unit.
Replaces / Cross-References
No independently confirmed interchange number beyond the listing information. Compare the part markings on the original component.
Numbers shown are identification references; verify the exact interchange and model application.
What Is Included
One replacement part or assembly as described in the product title; confirm included accessories before purchase
Fitment Notes
Compare the pulley, mounting ears, connector, case clocking and 140A output with the original unit.
Frequently Asked Questions
Is this an OEM part? No. This is an aftermarket replacement or upgrade as described in the listing, unless explicitly marked genuine OEM. Equipment brands and OE numbers identify intended applications.
How do I confirm compatibility? Compare the pulley, mounting ears, connector, case clocking and 140A output with the original unit.
Part Summary
Keywords: Alternator 140A, Buick Lucerne CX and CXL sedans, 2009–2011, 3.9L V6 — verify OE alternator rating, aftermarket replacement, northline parts, replacement parts.
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.