2022-2026 Kenworth T680 & Peterbilt 579 Radiator - Replaces PY091001 & 770057

• Direct OEM Match: Precision-engineered to directly replace PACCAR OEM number PY091001 and 770057 for a seamless, drop-in installation.
• Maximum Heat Dissipation: Features a massive 42-15/16" x 33-15/16" high-efficiency aluminum core to keep your 2022+ Kenworth or Peterbilt running cool.
• 1-Year Warranty: Backed by a comprehensive 1-year warranty, giving owner-operators and fleet managers total peace of mind.
• OE-Style Construction: Built with reinforced plastic tanks and a heavy-duty aluminum core, perfectly matching the factory design for optimal thermal expansion and pressure resistance.
• Leak-Free Connections: Precision-machined 2-1/2" inlet and outlet necks ensure a perfect, secure seal with your factory cooling hoses.

If you are looking for a high-performance 2022+ Kenworth T680 Peterbilt 579 Radiator, this heavy-duty unit 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 OE-style radiator provides the thermal efficiency required for modern high-torque diesel engines. Whether you are searching by year or OEM part number, this 2022-2026 Kenworth and Peterbilt Radiator is the direct-fit solution to get your truck back on the road safely. We stock these units locally in our Illinois warehouse to ensure lightning-fast shipping for owner-operators and fleets across the Midwest.

Advanced Cooling for Modern Fleets: The 2022+ Kenworth T680 Peterbilt 579 Radiator Advantage

This 2022+ Kenworth T680 Peterbilt 579 Radiator is built with reinforced plastic tanks bonded to a high-capacity aluminum core to withstand the high-pressure environments of modern long-haul trucking. It serves as a premium replacement for major OEM numbers including PY091001, 770057, and 770057PT. 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 with your factory hoses. This radiator 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 unit provides excellent resistance to vibrations and thermal stress. Don't let a coolant leak sideline your business; choose a radiator 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 radiator 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 radiator 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
• Warranty: 1-Year Limited Warranty