Platinum Driveline Cummins 8.3L C Series Engine Flywheel OE# 3906807

Cummins Flywheel 3906807 | 8.3L C Series Engine

Name: Cummins Flywheel 3906807 | 8.3L C Series Engine
Brand: Platinum Driveline
SKU: 168110
Availability: InStock

$286.00

Fitment Lookup:

Select your vehicle to verify compatibility before ordering.

SKU: 168110 Categories: Truck Flywheels - Medium Duty & Semi Truck, VIEW ALL PRODUCTS Brand: Platinum Driveline

CUMMINS FLYWHEEL 3906807 | 8.3L C SERIES ENGINE

Maximize your fleet’s uptime with this premium Platinum Driveline heavy-duty flywheel. Specifically engineered for the Cummins 8.3L C Series engine platform, this component is designed to meet the rigorous demands of both commercial automotive applications and heavy-duty industrial equipment. Manufactured to exacting OEM specifications, it ensures seamless torque transfer and long-term durability in high-stress environments.

Verified Casting & Part Numbers

OE#: 3906807
INTERCHANGES: 3284102, 3906808, 3908574, 3973495

Technical Specifications

Engine Application: Cummins 8.3L C Series
Bore Diameter: 7.25-inch bore size
Disc Outside Diameter: 14″
Ring Gear Teeth: 173
Ring Gear #: 3903309
Mounting Holes: 8
Locating Holes: 0
Pilot Bearing #: 206SS / 305SS
Condition: New Aftermarket (No Core Charge)

Expert Installation & Field Note

Drawing from our shop experience specializing in heavy-duty drivetrains since 1985, the Cummins 8.3L C Series requires a clean, burr-free crankshaft flange for a proper seat. Because this unit has 0 locating holes, technician attention to center alignment during the initial 8-bolt mounting is vital. We recommend a cross-pattern torque sequence to ensure even pressure and prevent lateral runout, which can lead to premature clutch wear. Verify your 173-tooth ring gear matches your current starter drive configuration before final assembly.

CRITICAL: Verify Specifications

Please confirm your original casting number and engine model match these specifications. The 7.25-inch bore size and 173-tooth ring gear are essential for proper fitment and safe vehicle operation.

Shipping Note: All flywheel orders are drop-shipped directly to ensure the fastest delivery. We are not responsible for carrier delays and cannot guarantee that overnight orders will ship the same day.

Note: Prices shown are for online orders only.