2022-2026 Kenworth T680 & Peterbilt 579 Radiator with Frame - Replaces PY091001

• Complete Drop-In Assembly: Comes pre-mounted with the heavy-duty reinforcement frame, saving you hours of labor and the frustration of transferring old, fatigued hardware.
• Direct OEM Match: Precision-engineered to directly replace PACCAR OEM number PY091001 and 770057 for a seamless, factory-style installation.
• Vibration & Stress Protection: The included steel frame prevents chassis flex and heavy road vibrations from cracking the aluminum core, maximizing your cooling system's lifespan.
• Maximum Heat Dissipation: Features a massive 42-15/16" x 33-15/16" high-efficiency core to keep your 2022+ Kenworth or Peterbilt running cool.
• 1-Year Warranty: Backed by a comprehensive 1-Year Limited Warranty, giving owner-operators and fleet managers total peace of mind for the long haul.

If you are looking for a complete, drop-in 2022+ Kenworth T680 Peterbilt 579 Radiator with Frame, this heavy-duty assembly is engineered specifically for the newest generation of PACCAR aerodynamic trucks. Designed to meet the demanding cooling needs of the latest Kenworth T680 and Peterbilt 579 models, this framed OE-style radiator provides the thermal efficiency required for modern high-torque diesel engines while saving you hours of installation labor. Whether you are searching by year or OEM part number, this 2022-2026 Kenworth and Peterbilt Radiator with Frame is the direct-fit solution to get your truck back on the road safely and quickly. We stock these units locally in our Illinois warehouse to ensure lightning-fast shipping for owner-operators and fleets across the Midwest.

Save Labor and Prevent Stress: The 2022+ Kenworth T680 Peterbilt 579 Radiator with Frame Advantage

This 2022+ Kenworth T680 Peterbilt 579 Radiator with Frame is built with reinforced plastic tanks bonded to a high-capacity aluminum core and securely mounted within a heavy-duty steel frame. It serves as a premium replacement for major OEM numbers including PY091001 and 770057. By including the factory-style mounting frame, this unit prevents chassis flex and heavy road vibrations from cracking the core. Note: Its precision-engineered 42-15/16" x 33-15/16" core ensures maximum airflow and heat transfer, maintaining stable temperatures with 2-1/2" inlet and outlet connections that guarantee a secure seal. This complete radiator assembly is fully compatible with 2022, 2023, 2024, 2025, and 2026 models.

At FleetPro, we specialize in high-quality PACCAR cooling components that offer a perfect alternative to expensive dealer parts without sacrificing durability. Backed by a comprehensive 1-Year Limited Warranty, this complete framed unit provides excellent resistance to thermal stress and eliminates the frustration of transferring old, fatigued mounting hardware. Don't let a coolant leak sideline your business; choose a drop-in radiator assembly that is specifically optimized for the newest Kenworth and Peterbilt cooling packages and experience professional-grade reliability for the long haul.

Vehicle Fitment & Compatibility

This framed radiator assembly is a guaranteed fit for the following 2022-Current applications (Must match OEM number):

• Kenworth T680: 2022, 2023, 2024, 2025, 2026
• Peterbilt 579: 2022, 2023, 2024, 2025, 2026

Direct Replacement for OEM Part Numbers:

This complete assembly ONLY fits your truck if your OEM number matches one of the following:

• PACCAR OEM: PY091001
• Industry Cross-Reference: 770057PT, 770057

Technical Specifications

• Core Height: 42-15/16"
• Core Width: 33-15/16"
• Core Depth: 1-5/8"
• Inlet Neck: 2-1/2"
• Outlet Neck: 2-1/2"
• Construction: OE Style - Plastic Tanks / Aluminum Core
• Mounting Frame: Included (Pre-Assembled)
• Warranty: 1-Year Limited Warranty