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Automotive

DOT Approved 4PCS LED Headlights Compatible With Western Star 4900 Semi Truck Peterbilt 357 378 4x6" Inch Super Bright Sealed High Low Beam Replacement Kit H4651 H4652 H4656 H4666 H6545 H4642 H4668

Automotive4.0· 257 Amazon ratings

Bias-adjusted across 257 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

12.4%
Percentile · Global
11.9%
Percentile · Cohort
Automotive
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DOT Approved 4PCS LED Headlights Compatible With Western Star 4900 Semi Truck Peterbilt 357 378 4x6" Inch Super Bright Sealed High Low Beam Replacement Kit H4651 H4652 H4656 H4666 H6545 H4642 H4668

How the score was built

Amazon ratings
257

used for the Bayesian percentile

Raw star average
4.0 / 5

unadjusted Amazon mean

Bayesian avg
4.08

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Automotive

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