New old stock part. Listing is for a single part. If more than one is pictured it is just to show difference in packaging or condition. See photos for detail and condition. Description: Housing, SRE OEM(s): Denso Composition: Aluminum Unit Type: Alternators Thru Bolts: (4) 6.8mm Unthreaded Stator OD: 4.756in / 120.8mm Mtg Ear 1 Hole: 10.5mm Unthreaded Mtg Ear 1 Thickness: 0.701in / 17.8mm Bearing: 130-01058 Required Application: Denso Alternator Applications Weight: 0.65 lbs / 0.3 kg Substitutes: Denso 021501-6550 References: Denso 021501-6550