Please check notes in each part listing to ensure the Differential Pinion Seal is correct for your 1957 CHRYSLER IMPERIAL with a 6.4L 392 engine. NATIONAL, TIMKEN, & SKF are competing brands, and each brand's Differential Pinion Seal may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Differential Pinion Seal fits only certain 1957 CHRYSLER IMPERIAL models.

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