PHILTOP
PHILTOP 11180N Alternator for Buick Lucerne 3.8L
Editor’s scorecard
Editorial scores from 0 to 10, comparable across products in this category.
Full specifications
Fit & compatibility
| Subcategory | Replacement alternator (140A) |
| Vehicle compatibility | Buick Lucerne 2006-2008 (3.8L) — confirm your exact year/trim with Amazon's fitment tool before ordering |
Build
| Material | Pure copper windings, silicon steel laminations, aluminum housing |
| Certifications | ISO/TS 16949 |
Other details
| Amperage | 140Amp |
| Rotation | CW (clockwise) |
| Design | IR/IF, S6 pulley |
| Testing | 2000-hour endurance test, 96-hour salt spray resistance |
| Operating range | -40°F to 221°F |
| Replaces part numbers | 231004BA0A, 231004BA0B, TG12C152, 11180N |
Where does this part go?
Engine bay — driven by the serpentine belt
Highlighted in orange on the diagram — this is roughly where you'll find or install this part.
The review
Built specifically for the 2006-2008 Buick Lucerne's 3.8L engine, this PHILTOP alternator is rated for 140 amps with pure copper windings, silicon steel laminations and an aluminum housing — a spec sheet aimed at matching OE durability rather than just OE fit.
PHILTOP states it's tested to a 2000-hour endurance cycle and 96 hours of salt-spray resistance, with an operating range from -40°F to 221°F — the kind of testing claims worth having in writing, even though we can't independently verify them.
At 210 reviews and 4.2 stars, it has a reasonable track record without being a high-volume part. As with any alternator, confirm your exact year and trim before ordering.
Pros
- ISO/TS 16949 certified with pure copper windings and aluminum housing
- Stated 2000-hour endurance and 96-hour salt-spray testing
- Wide operating range claim (-40°F to 221°F)
- Includes all mounting hardware for a direct swap
Cons
- Single-application fitment (Lucerne 3.8L, 2006-2008 only)
- Premium price relative to the other alternators in this catalog
- No stated warranty length
Ideal for: Buick Lucerne (2006-2008, 3.8L) owners who want a durability-tested OE-spec alternator replacement.
What buyers say
At 4.2 stars across 210 ratings, reviewers report correct fitment and normal function; a moderate but not large sample size.
Summary based on reviews visible on Amazon at capture time.
As an Amazon Associate, TorqueScout earns from qualifying purchases. "Amazon" and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.


