Navistar / International Flywheel 1809144C91 | 6.9L / 7.3L Engine

$285.00

Description

NAVISTAR / INTERNATIONAL FLYWHEEL 1809144C91 | 6.9L / 7.3L ENGINE

Enhance your vehicle’s performance with this premium Platinum Driveline heavy-duty flywheel. Specifically engineered for Navistar / International 6.9L and 7.3L engines, this component is designed to meet the rigorous demands of both commercial automotive fleets and heavy-duty equipment. Manufactured to exacting OEM specifications, it ensures consistent torque transfer and professional-grade durability in high-stress environments.

Verified Casting & Part Numbers

  • OE#: 1809144C91
  • INTERCHANGE: 1809145C91

Technical Specifications

  • Engine Application: Navistar 6.9L / 7.3L
  • Bore Diameter: 7.25-inch bore size
  • Disc Outside Diameter: 13″ / 14″
  • Ring Gear Teeth: 137
  • Ring Gear #: 1800777C1
  • Mounting Holes: 9
  • Locating Holes: 1
  • Pilot Bearing #: 205SS
  • Condition: New Aftermarket (No Core Charge)

Expert Installation & Field Note

Drawing from our shop experience specializing in heavy-duty drivetrains since 1985, the Navistar 6.9L and 7.3L platforms require strict adherence to the 9-hole mounting pattern torque specs. Because this unit features a single locating hole, ensuring proper alignment with the crankshaft is vital to maintain engine balance. We recommend a star-pattern torque sequence to maintain even pressure across the 7.25-inch bore interface. Always verify your starter drive matches the 137-tooth ring gear configuration before completing the installation.

CRITICAL: Verify Specifications

Please confirm your original casting number and engine model match these specifications. The 9-hole mounting configuration and 7.25-inch bore size 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.

Additional information

Weight 50 lbs
Dimensions 25 × 25 × 5 in