PHILTOP 11180N Alternator for Buick Lucerne 3.8L
  • PHILTOP 11180N alternator unit shown from the front with the 6-groove S6 pulley
  • Alternator shown from the connector side
  • Close-up of the aluminum housing and copper windings visible through the vents
  • Alternator shown with all mounting hardware included

PHILTOP

PHILTOP 11180N Alternator for Buick Lucerne 3.8L

★★★★☆ 4.2 · 210 ratings on Amazon
$134.99 Approximate price · captured 2026-09-03 · confirm the current price on Amazon
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Editor’s scorecard

Editorial scores from 0 to 10, comparable across products in this category.

Full specifications

Fit & compatibility

SubcategoryReplacement alternator (140A)
Vehicle compatibilityBuick Lucerne 2006-2008 (3.8L) — confirm your exact year/trim with Amazon's fitment tool before ordering

Build

MaterialPure copper windings, silicon steel laminations, aluminum housing
CertificationsISO/TS 16949
Other details
Amperage140Amp
RotationCW (clockwise)
DesignIR/IF, S6 pulley
Testing2000-hour endurance test, 96-hour salt spray resistance
Operating range-40°F to 221°F
Replaces part numbers231004BA0A, 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.

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