
HD Flexplate Flywheel | CUMMINS 3918959 | AT545 Allison Transmission | CUMMINS B Series, ISB 3.9, ISB 5.9, ISB 6.7 - Motiv8
HD Flexplate Flywheel for CUMMINS 3918959 Suitable for car models: HD Flexplate Flywheel. This part is used in CUMMINS engines. Cummins Engines: B Series ISB 3.9 5.9 6.7 Transmission: Allison AT545 Transmission OEM Part No. CUMMINS 3918959 Specifications: Number of Teeth: 159 Outer Diameter: 407.3mm / 16in.Root Circle Diameter: 397.7mm / 15.65in.Width of center : 3mm / 0.11 in.Width of gear section: 14.50mm / 0.57 in.Inner Diameter of Plate: 70.10mm / 2.76 in.Diameter for 6 holes location: 346mm / 13.62 in.Six holes Inner Diameter: 11.20mmSix holes location angle: 60°Mounting diameter for Ø13 eight holes : 110mmOuter Diameter for 8 mounting holes: 13mmEight hole Ø13 angle location: 45°Back side teeth cut: 1.5x45°Welding 12 places x 40mm length 100% Balance test inspected100% Lateral Runout test inspected100% Circumferential Runout test inspected