2 groove crankshaft pulley for air conditioning Jul 9, 2016 12:13:01 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bob on Jul 9, 2016 12:13:01 GMT -5 Bob O here, building a mini dozer with 1.6 engine and need to attach hydraulic pump to crankshaft so am looking for a 2 groove pulley that was used for air conditioner. thanks.