9L4449 T1224 Turbocharger Replacement for CAT 1673C

This aftermarket 9L4449 T1224 turbocharger is a replacement unit for CAT 1673C earth moving applications. It serves as an aftermarket replacement application for units associated with OEM reference numbers such as 407640-0002 and 407640-5002S. Verify part number, engine code, and vehicle application before ordering to ensure correct fitment.

Key Specifications

• Part Number: 9L4449
• Turbo Model: T1224
• Product Type: Turbocharger
• Application Clue: CAT 1673C Earth Moving
• Gross Weight: 25 kg
• Packing Dimensions: 26 x 30 x 33 cm
• OEM Reference Numbers: 407640-0002, 407640-2, 407640-5002, 407640-5002S

This unit is supplied as an aftermarket replacement. The visible assembly includes a silver-grey upper housing with a polished inlet port and a black lower housing with a square mounting flange. Verify the specific OEM reference number against your equipment records to confirm the correct configuration for your CAT 1673C application.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• CAT > CAT TRUCK EARTH MOVING > CAT 1673C

This T1224 turbocharger is listed for CAT 1673C earth moving applications. It is associated with OEM reference numbers including 407640-0002, 407640-2, 407640-5002, and 407640-5002S. These references serve as verification clues for buyers identifying the correct replacement application. Verify the part number 9L4449, engine code, and specific vehicle application against your equipment records before ordering. Confirm the mounting details and turbo configuration with technical support to ensure the unit matches your specific CAT 1673C setup.

Technical Notes

The T1224 turbocharger assembly features a two-part housing design with a silver-grey upper section and a black lower section. The upper housing includes a polished circular inlet port and a curved outlet pipe with a flange, while the lower housing provides a square mounting flange with four bolt holes. A central bearing housing connects the sections, secured by visible bolts. Buyers should verify the specific mounting details and shaft alignment against their CAT 1673C equipment records. Confirm the compressor wheel nut tightening torque and thread direction per the service manual to prevent shaft damage. Check shaft end play and radial play tolerances using a dial indicator to ensure stable operation before installation.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 9L4449 T1224 turbocharger. Worldwide shipping is available for this 25 kg unit, packed in 26 x 30 x 33 cm dimensions. Our technical fitment support team helps verify part number, engine code, and OEM reference numbers such as 407640-0002 before shipment. Contact us to confirm your specific CAT 1673C application and request a quote for your order quantity.