Restore the power transfer and shifting performance of your Freightliner or Western Star with this premium OE Detroit DT12 Clutch Assembly by FleetPro Parts & Tires. Manufactured by Illinois Auto Truck to strict Original Equipment (OE) standards, this heavy-duty 430mm assembly is specifically engineered for the Detroit DT12 automated manual transmission (AMT). Whether you are running a Cascadia or a 57X, this assembly provides the structural integrity and heat dissipation required for high-torque Class 8 trucks. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets and owner-operators nationwide.
Heavy-Duty AMT Performance: The OE Detroit DT12 Clutch Assembly Advantage
This OE Detroit DT12 Clutch Assembly (Part # NMU360-280-12) features a robust 430mm stamped-steel, single-plate design. Engineered with a precision 18-involute input spline, it ensures a flawless fit and instant engagement with the DT12 transmission’s input shaft. Note: With a massive torque rating of approximately 1,850 lb-ft, this assembly is built to withstand the immense pulling pressures of heavy-haul and long-haul operations without premature slippage or glaze-over.
As we continue to build the largest inventory of commercial truck parts in Illinois, we prioritize drivetrain components that offer "drop-in" OE reliability. This unit is a professional-grade replacement for Detroit/Freightliner factory part numbers A02-14135-000 and A02-82500-001, as well as the Eaton K-4489CL interchange. Proudly manufactured in the USA by Illinois Auto Truck, this assembly ensures smoother gear transitions, reduced vibration, and an extended service life for your automated transmission system.
Vehicle Fitment & Compatibility
This heavy-duty OE clutch assembly is precision-engineered for the following commercial automated transmission applications:
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Transmission: Detroit DT12 Automated Manual Transmission (AMT)
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Engine Compatibility: Detroit DD13, DD15, DD16
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Make/Models: Freightliner Cascadia, Western Star 47X, 49X, 57X
Direct Replacement & Cross-Reference Numbers:
This complete assembly serves as a direct exact-fit replacement for the following part numbers:
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Detroit/Freightliner OEM: A02-14135-000, A0214135000, A02-82500-001, A0282500001, A02-14108-001, A0214108001
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Eaton / Aftermarket: K-4489CL, K4489CL
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Illinois Auto Truck / Aftermarket: NMU360-280-12
Technical Specifications
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Component Type: Stamped Steel AMT Clutch Assembly
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Diameter: 430mm (16.93")
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Input Spline: 18-Involute Spline
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Torque Rating: 1,850 lb-ft (DT12 Optimized)
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Product Level: OE (Original Equipment)
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Manufacturer: Illinois Auto Truck (Made in the USA)
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Distributed By: FleetPro Parts & Tires
Cross references: A02-14108-001 • A02-14135-000 • A02-82500-001 • A0214108001 • A0214135000 • A0282500001 • K-4489CL • PAI 960343 • Detroit A02-14027-008 • Detroit A02-14135-003 • TT4489DT12
