3045483 Oil Cooler Apply to Cummins Engine 855 NT855 NTA855 86NT 88NT E8

3045483 Oil Cooler – Cummins 855 Series Engine Specifications

✅ Fitment & Compatibility

Engine Models:

• NT855 (Natural Aspirated)

• NTA855 (Turbocharged)

• 86NT, 88NT (Industrial/Marine variants)

• E8 (Older designation for 855 series)

Common Applications:

• Trucks: Older Peterbilt, Kenworth, and International models

• Industrial/Mining: Generators, compressors, pumps

• Marine: Auxiliary engines, fishing vessels

• Agriculture: Heavy-duty tractors and harvesters

🔧 Technical Specifications

🔄 Cross-Reference Numbers

• Cummins OEM: 3045483

• Fleetguard: HF3654

• Donaldson: 3060067

• Baldwin: BT223

• WIX: 24090

⚠️ Critical Notes

1. Year & Model Variations:

   • Fits most 855 engines, but check serial number for late-model variants.

   • Some marine (88NT) versions may require a reinforced cooler.

2. Coolant Requirements:

   • Use ELC (Extended Life Coolant) to prevent scaling.

   • Avoid mixing coolants (can cause galvanic corrosion).

3. Failure Signs:

   • Oil in coolant (internal leak)

   • Overheating oil temps (clogged tubes)

   • External leaks (cracked end caps)

🔧 Maintenance & Replacement Tips

✔ Inspect Every 250k Miles (or 2,000 hrs in industrial use)
✔ Pressure Test before installation (check for leaks at 40 psi)
✔ Torque Specs:

• Mounting bolts: 30-35 lb-ft

• Oil fittings: 40-45 lb-ft

❌ Do NOT:

• Use high-pressure water to clean (damages tubes)

• Run without coolant (causes rapid overheating)

🛠️ Aftermarket & Upgraded Options

• 3045483X (Heavy-Duty): Reinforced for mining/vibration use

• 3045483-M (Marine): Saltwater-resistant coating

❓ Need More Info?

• Troubleshooting oil temp issues?

• Best flush procedure before replacement?

• Performance vs. newer coolers?

This oil cooler is critical for engine longevity—always verify fitment before purchase! 🚛🔧