
100%
Dorman 603-027 Coolant Reservoir Bottle
by Dorman— Made in Colmar, PA
Verified American Made
91% — Very High
Full verification requires additional independent sources
Manufactured in Colmar, PA
Manufacturing in USA since 1918Verified through 3 independent sources
- Brand website
- Product listing
- Known factory location
Direct-fit coolant overflow reservoir bottle. Made in Pennsylvania. Exact replacement, no modification needed.
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Dorman 603-027 Coolant Reservoir Bottle
91% Verified










