Platinum Driveline Navistar 6.9L 7.3L Engine Flywheel OE# 1809144C91

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

Name: Navistar / International Flywheel 1809144C91 | 6.9L / 7.3L Engine
Brand: Platinum Driveline
SKU: 168800
Availability: InStock

$185.00

Fitment Lookup:

Select your vehicle to verify compatibility before ordering.

SKU: 168800 Categories: Truck Flywheels - Medium Duty & Semi Truck, VIEW ALL PRODUCTS Brand: Platinum Driveline

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.