Please check notes in each part listing to ensure the Instrument Cluster Voltage Regulator is correct for your 1978 DODGE B100 with a 5.2L 318 engine. STANDARD MOTOR PRODUCTS & AIRTEX / WELLS are competing brands, and each brand's Instrument Cluster Voltage Regulator may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Instrument Cluster Voltage Regulator fits only certain 1978 DODGE B100 models.
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