Please check notes in each part listing to ensure the Crankshaft Main Bearing is correct for your 1957 MERCURY VOYAGER with a 5.1L 312 engine. SEALED POWER & CLEVITE/PERFECT CIRCLE are competing brands, and each brand's Crankshaft Main Bearing may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Crankshaft Main Bearing fits only certain 1957 MERCURY VOYAGER models.

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