Part Number ⚙️: 051099

Heavy-Duty 4-Row Copper-Brass Radiator with Frame – High Efficiency Cooling

Part Number ⚙️: 051099

If your Peterbilt is running hot, this 4-row radiator is your solution. Built with copper-brass construction and dimpled tubes for maximum cooling, it delivers extra efficiency where it matters most. Includes a mounting frame and a passenger-side outlet — built to bolt in and perform under pressure.


✅ Key Benefits:

  • 4-row copper-brass core for superior heat dissipation

  • Dimpled tubes increase surface area and airflow

  • Includes bottom mounting frame (offset to grille side)

  • Passenger-side bottom outlet for easy plumbing

  • No surge tank — perfect if you're reusing your original

  • 2-Year Warranty for peace of mind


🚛 Vehicle Compatibility:

Fits Peterbilt models:
357, 375, 377, 378, 379 (1991–2009), 385, 386, 387 (1991–2007)


📏 Dimensions:

  • Core (Header to Header): 36 1/4" [920.8mm]

  • Core (Over Sidepieces): 34 1/8" [866.8mm]

  • Inlet OD: 2 1/2" [63.5mm]

  • Outlet OD: 3" [76.2mm]


#️⃣ Cross-Reference:

OEM fit for models with offset frame and passenger-side outlet. No surge tank included.


📞 Have Questions?

Call Texas Truck Market at 832-867-3345 — we'll help you get the right fit, fast.

No cross reference information available for this product.

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