Sparex source: https://us.sparex.com/alternator-sparex-12v-34-amps-67283.html Product: Alternator (sparex) - 12v, 34 Amps - Sparex S.67283 SKU: S.67283 Listing note: Pulley type: Single Groove, Pulley Ø: 62mm Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.