If you're pushing your 6.7L Powerstroke under load—towing, hauling, or tuned—you already know the factory oil cooler becomes a restriction point. The SWAG Performance Heavy Duty Oil Cooler Upgrade Kit is engineered to outperform the stock unit with increased cooling capacity, improved flow, and long-term reliability.
Built as a direct-fit replacement, this upgraded oil cooler is designed to reduce oil temps, improve heat dissipation, and help prevent the common clogging issues found in OEM coolers. Incluedes Heavy-Duty Oil Cooler & Installation Gaskets.
Why Upgrade Your Oil Cooler?
The factory oil cooler is known for:
- Restricted coolant passages
- Heat soak under load
- Debris buildup leading to failure
This SWAG Performance upgrade addresses those issues with:
- Increased internal surface area for improved heat transfer
- Larger coolant passages to reduce clogging risk
- More efficient thermal control under heavy use
(Comparable upgraded designs show measurable gains in cooling efficiency and improved durability vs OEM-style units.)
Key Features & Benefits
- Heavy-Duty Upgraded Design – Built for higher heat loads and performance applications
- Improved Cooling Efficiency – Enhanced internal structure increases heat transfer capability
- Larger Coolant Passages – Helps prevent clogging and extends service life
- Direct-Fit Replacement – Installs in factory location with no modifications
- Complete Kit – Includes required gaskets for installation
- Built for Reliability – Ideal for towing, tuned trucks, and high-demand driving
Replaces OEM Part Numbers
- HC3Z-6A642-A / HC3Z6A642A
Performance Insight
Upgraded oil cooler designs like this are known to:
- Reduce oil temps under load
- Improve engine longevity
- Maintain consistent performance during towing or high-boost conditions
