Platinum Driveline GM 7.0L 7.2L 7.4L Engine Flywheel OE# 12552486

Automotive flywheel with circular metal design.

GM Flywheel 12552486 | 7.0L / 7.2L / 7.4L Engine

Name: GM Flywheel 12552486 | 7.0L / 7.2L / 7.4L Engine
Brand: Platinum Driveline
SKU: 168400
Availability: InStock

$326.00

Fitment Lookup:

Select your vehicle to verify compatibility before ordering.

SKU: 168400 Categories: Truck Flywheels - Medium Duty & Semi Truck, VIEW ALL PRODUCTS Brand: Platinum Driveline

GM FLYWHEEL 12552486 | 7.0L / 7.2L / 7.4L ENGINE

Ensure smooth power delivery and professional-grade reliability with this premium Platinum Driveline heavy-duty flywheel. Specifically engineered for GM 7.0L, 7.2L, and 7.4L engines, this component is built to handle the rigorous duty cycles of both commercial automotive fleets and heavy-duty equipment. Manufactured to exacting OEM specifications, it provides a dependable, high-durability solution for fleet maintenance and performance restoration.

Verified Casting & Part Numbers

OE#: 12552486

Technical Specifications

Engine Application: GM 7.0L / 7.2L / 7.4L
Bore Diameter: 6-inch bore size
Disc Outside Diameter: 13″
Ring Gear Teeth: 197
Mounting Holes: 6
Locating Holes: 1
Pilot Bearing #: 305SS
Condition: New Aftermarket (No Core Charge)

Expert Installation & Field Note

Drawing from our shop experience specializing in heavy-duty drivetrains since 1985, the GM 7.0L-7.4L series requires precise alignment of the single locating hole to ensure the crankshaft balance is maintained. We recommend a cross-pattern torque sequence on the 6-bolt mounting flange to ensure even pressure. Always verify your starter drive is compatible with the 197-tooth ring gear to ensure reliable ignition and prevent premature gear wear.

CRITICAL: Verify Specifications

Please confirm your engine size and original casting number match these specifications. The 6-inch bore size and 197-tooth ring gear are essential for proper fitment and vehicle safety.

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.