5 pin connectorReplaces part numbers: 300-879984T01/ 339-879984A1/ 339-879984T00Perfect replacement compatible with the existing stock one. 100% Brand New and High QualityName: Ignition CoilIgnition Coil Dimension: 91 x 72mm/3.6 x 2.8 inches (Approx.)Part Number: 300-879984T01 300-8M0077471Placement on Vehicle: Rear, LowerFit:compatible with compatible withd Mercury Optimax 75 125 200 225 250 HP EFI Racing EFIReplaces Part Number:300-879984T01300-8M0077471339-879984A1339-879984T008M0077471879984T01879984A1300879984T013008M0077471339879984A1339879984T00Fits compatible with the following Mercury Optimax engines models:compatible with Mercury EFI 4-Stroke Models 30/ 40/ 50/ 60 EFIcompatible with Mercury Optimax 75/ 90/ 115/ 125/ 200/ 225/ 250compatible with Mercury Optimax Pro XS 115 Pro/ 175 Pro/ 200 Pro/ 225 Pro/ 250 Pro/compatible with Mercury Optimax Racing 225 XS/ 225 Sport XS/ 250XS/ 250 Sport XS/ 300XScompatible with Mercury EFI 2-Stroke Models 150 (2.5 EFI)/ 175 (2.5 EFI)/ 200 (2.5 EFI)/ 200 (3.0 EFI)/ 225 (3.0 EFI)/ 250 (3.0 EFI)compatible with Mercury Racing EFI 2-Stroke 225X/ 300XColour: blackMaterial: plastic + metalPackage Contents:2 x Ignition CoilOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.