2018–2026 Freightliner M2 Radiator — Lower HP | Heavy Duty | OEM 05-37217-039

This high-performance heavy duty radiator is designed specifically for lower horsepower Freightliner M2 models from 2018 to 2026. Built with commercial-grade materials and engineered to OEM spec, it’s the perfect solution for long-haul dependability, cooler operation, and fast, frustration-free installation.

⚠️ IMPORTANT FITMENT NOTICE:

Freightliner M2 trucks from 2018–2026 can come with two different radiator options depending on the engine configuration:

• 🔻 Lower HP Version – This listing (OEM: 05-37217-039)

• 🔺 Higher HP Version – Different size & configuration (NOT this one)

✅ This radiator is designed for Lower HP engine configurations only.
🛑 If you're unsure, please verify using your VIN or contact us before purchasing.

✅ Key Features & Advantages:

• 💪 Heavy Duty High-Performance Cooling Design
  Built to handle the cooling demands of commercial use, with a rugged 4-row core for longer life and better thermal efficiency.

• 🛡️ Built-In Stainless Steel Transmission Oil Cooler
  Our stainless steel cooler outperforms the standard aluminum type:

  • Won’t rust or corrode

  • Withstands heat cycles without cracking

  • Ideal for heavy use and demanding road conditions

  • Protects your transmission and prolongs fluid life

• 📏 Perfect Fitment Guaranteed
  ✅ Built under IATF 16949 Certification
  ✅ Verified through Thousand Truck Fitting Test (TTFT)
  ✅ Direct-fit design for easy, fast installation

• 🛠️ Pre-Installed Threaded Nuts
  Saves labor time and ensures clean, secure mounting.

📐 Technical Specifications:

• Core Height: 27 1/2"

• Core Width: 25 1/2"

• Depth: 2 1/8"

• Rows: 4

• Inlet: 2" (Upper Right)

• Outlet: 2" (Lower Right)

• Oil Cooler: Quick Connect — 18" Center Spacing

🔁 Cross Reference / Interchange Numbers:

• OEM: 05-37217-039

• Aftermarket & Supplier References:
  TXE1004016A, TXE1004015A, TXE1004045A, TXE1004046A
  1040503C, 1040581A, 1040523A, 1040580A, 1040578A, 1040582A, 1040579A, 1040583A
  1050503C, 1050504C, 1050505C, 1050506C
  1050632C, 1050633C, 1050634C, 1050635C
  0537217039, 800133

🙌 Why Buy From Us?

We’re a U.S.-based truck parts brand with over 15 years of experience — trusted by fleet operators, owner-operators, and service shops. We're not just another online seller — we know trucks.

✅ Fast U.S. customer support
✅ Real-world knowledge of commercial truck repairs
✅ 100% Satisfaction Guarantee – we stand by the parts we sell
✅ No time zone delays or overseas wait times
✅ No third-party resellers or middlemen

🆘 Need Help?

Not sure if this radiator fits your Freightliner M2?
📸 Just send us a photo of your current radiator and your VIN number — we’ll verify fitment quickly and accurately before you order.

Get the job done right the first time.
Don’t risk buying the wrong radiator. Choose the correct Lower HP model, with heavy duty construction, stainless steel oil cooling, and OEM precision fit.

🛒 Add to cart now for fast shipping, a warranty you can trust, and real support behind every sale!