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Automotive

Airtex AWK1321 Engine Timing Belt Kit with Water Pump

Automotive4.1· 196 Amazon ratings

Bias-adjusted across 196 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

17.7%
Percentile · Global
17.2%
Percentile · Cohort
Automotive
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Airtex AWK1321 Engine Timing Belt Kit with Water Pump

How the score was built

Amazon ratings
196

used for the Bayesian percentile

Raw star average
4.1 / 5

unadjusted Amazon mean

Bayesian avg
4.16

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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