Kenworth T680 Peterbilt 579 Radiator (2022-2026) - Next Gen Heavy Duty - Replaces PY091001
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$844.41
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Fitment
Fits these trucks
Kenworth T680 (2022-2026)Peterbilt 579 (2022-2026)
Always confirm your year, make & model before ordering.
Part numbers
OEM & interchange numbers
4 cross-refsPY091001 770057 Paccar 770057PT Paccar 238927
Direct 1-to-1 replacement for every number above. Tap any number to copy.
Overview
Ensure your "Next Gen" PACCAR aerodynamic truck stays cool under pressure with this premium Kenworth T680 Peterbilt 579 Radiator by FleetPro Parts & Tires. Specifically engineered for the 2022–2026 generation of trucks, this heavy-duty unit is the professional’s choice for maintaining optimal engine efficiency. Designed to meet the intense thermal demands of modern high-torque diesel engines, this radiator provides the reliable cooling required for long-haul and regional routes. We stock these units heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for owner-operators and fleets across the Midwest and nationwide.
Advanced Cooling for Modern Fleets: The Kenworth T680 Peterbilt 579 Radiator Advantage
This 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 trucking. It serves as a premium replacement for major OEM part numbers including PY091001 and 770057. Note: Its precision-engineered 42-15/16" x 33-15/16" core ensures maximum airflow and heat transfer, while the 2-1/2" inlet and outlet connections guarantee a secure, leak-proof seal with your factory hoses during the demanding 2026 haul season.
At FleetPro, we specialize in high-quality PACCAR cooling components that offer a superior alternative to expensive dealer parts without sacrificing durability. This unit provides excellent resistance to vibration-related stress and thermal expansion, preventing the hairline cracks common in standard cores. Don't let a coolant leak sideline your business; choose a radiator 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
- Note: Specifically for "Next Gen" Aerodynamic body styles.
Direct Replacement & Cross-Reference Numbers:
This radiator serves as a direct exact-fit replacement for the following part numbers:
- PACCAR OEM: PY091001
- Industry Cross-Reference: 770057PT, 770057
Technical Specifications
- Core Dimensions: 42-15/16" Height x 33-15/16" Width
- Core Depth: 1-5/8" (High-Efficiency Single Row)
- Inlet / Outlet Neck: 2.5" / 2.5"
- Construction: OE Style - Reinforced Plastic Tanks / Aluminum Core
- Warranty: 1-Year Limited Warranty
- Brand: FleetPro Parts & Tires
Key features
- 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.
Specifications
Core Dimensions
42-15/16 in Height x 33-15/16 in Width
Core Depth
1-5/8 in (High-Efficiency Single Row)
Inlet/Outlet Neck
2.5 in / 2.5 in
Construction
OE Style - Reinforced Plastic Tanks / Aluminum Core
Warranty
1-Year Limited Warranty
Questions
Will this fit my truck?
This part fits Kenworth T680 (2022-2026), Peterbilt 579 (2022-2026). Always confirm your year, make and model before ordering.
What part numbers does it replace?
Yes. It is a direct replacement that interchanges with PY091001, 770057, Paccar 770057PT, Paccar 238927.
How fast does it ship?
In-stock orders placed before 12 PM Central on business days ship the same day from our Hanover Park, IL warehouse, and typically arrive in 2 to 5 business days anywhere in the USA.
What's your return policy?
Unused items in original packaging can be returned within 30 days, backed by our 30-day money-back guarantee. If we ship the wrong part, we cover the return label and send the correct one.