Feature:1. Applicable Model: Alternator bearing kit is manufactured on the basis of original standard, specially designed for Denso Alternators.2. Replacing Part Number: OE numbers for reference, Large Bearing 9491003330, 9491004370, 9491005010; Small Bearing 9491002790, 9491003980.3. Dimensions: The large bearing size is about 17x52x16mm / 0.67x2.05x0.63in and the small bearing size is about 15x35x13mm / 0.59x1.38x0.51in.4. Powerful Function: Alternator bearing can play a stable support role and reduce the coefficient of friction during its movement.5. Rugged Construction: Alternator bearing is constructed of high strength aluminum alloy material, rustproof, strong, and anti deformation.Specification:Item Type: Alternator Bearing KitMaterial: Aluminum AlloyLarge Bearing OE: 949100-3330, 949100-4370, 949100-5010 Large Bearing Size: Approx. 17x52x16mm / 0.67x2.05x0.63inSmall Bearing OE: 949100-2790, 949100-3980Small Bearing Size: Approx. 15x35x13mm / 0.59x1.38x0.51inFitment: Fit for Denso Alternators.Package List:1 xLarge Bearing1 x Small BearingNote:1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!