( CSF #7340 & #8344 )
The Jeep Wrangler (JL) and pickup truck sibling the Gladiator (JT), are well known for their rugged reliability and out of the box off-road performance. However, even the best vehicles have their limits. Whether you are rock crawling, off-roading, or overlanding in extreme conditions, coolant temperatures can spike causing you to overheat. The new CSF Heavy-Duty All-Aluminum Radiator & Transmission Oil Cooler are the ultimate cooling solution for your Jeep.
Why Wrangler & Gladiator Owners Should Upgrade
Upgraded cooling systems are not just for off-road rigs and big haulers. Even basic mods/upgrades like oversized tires can increase strain on your engine in adverse conditions. The CSF Radiator provides extra protection that:
- Extends engine & transmission life by maintaining optimal coolant temperatures
- Improves towing capacity by enhancing cooling efficiency
- Eliminates performance limitations during demanding driving conditions
- Provides peace of mind with superior construction and durability
Design & Engineering
Heavy-Duty Radiator – CSF #7340
When engine coolant overheats, performance suffers and you are forced to stop driving or risk a cooling system failure. Having to stop and wait for your engine to cool down is more than just an inconvenience, it is a limitation that shouldn’t exist in modern SUVs and trucks. Especially not the legendary Wrangler.
An upgraded radiator helps eliminate the concern of overheating. These advanced designs feature larger 2-Row, 42mm aluminum cores which increase the fluid capacity of the radiators, and greatly improves heat dissipation. CSF’s Exclusive B-Tube Technology increases the heat transfer by approximately 15% over regular oval welded tubes. In addition, the ultra-efficient multi-louvered fins maximize airflow through the core for the best possible performance. The result is a dramatic temperature reduction under all driving conditions.
Key Features:
- 20-25% increase in heat transfer efficiency using CSF’s new 5mm Fin & Exclusive B-Tube Technology
- Improved cooling performance to support higher-boost and bigger-turbos, as well as additional load from gear, mods, and hard driving
- Engineered to withstand extreme conditions, providing reliability where it matters most
- Designed to work seamlessly with factory or aftermarket transmission coolers, intercoolers, etc.
CSF vs OEM
Jeep definitely learned some lessons from previous generations and gave the Wrangler and Gladiator a decent radiator. While the factory system seems to cope with modifications better than previous generations, more people are pushing these rigs harder than ever. Bigger turbos, more boost, heavier accessories, etc, all increase heat output of the motor.
| Feature | CSF | OEM |
|---|---|---|
| # Core Rows | 2 | 1 |
| Fin Height | 5mm | 5mm |
| Core Thickness | 42mm | 27mm |
| Core Material | Aluminum | Aluminum |
| Tank Material | Aluminum | Plastic |
| Construction | 100% TIG Welded | Crimp on Gasket |
Instead of waiting for your factory radiator to fail or putting up with power loss due to high engine temps, you can get ahead of the problem with the CSF Radiator. Upgrading to the CSF Radiator offers a lot of advantages including:
- 50% larger core volume than the factory radiator
- 20–25% increase in heat transfer efficiency using CSF’s exclusive 5mm Fin Technology
- 100% TIG welded Aluminum construction (compared to plastic end tanks crimped)
- Perfect for daily driving, towing, and off-road adventures
5mm Core Upgrade
CSF always seeks to offer the ultimate cooling solution. The latest 5mm fin technology was introduced at the end of 2023 offers even more heat transfer area and thermal efficiency than CSF’s tried and true 6.5mm fins. Jeep owners are known to push their rigs hard and CSF is confident this radiator is ready to take on the most demanding conditions in the world.
Transmission Oil Cooler – CSF #8344
When transmission fluid overheats, performance suffers and long-term damage becomes more likely. The Wrangler (JL) & Gladiator (JT) often see transmission temperatures of over 250°F while hauling and off-roading. While many owners haven’t observed immediate damage, the longer term repercussions are always a reduction in transmission life. On top of that, having to stop and wait for your transmission to cool down is more than just an inconvenience, it is a limitation that shouldn’t exist in a Wrangler.
The CSF transmission oil cooler eliminates the concern of overheating. The advanced design features CSF’s proprietary AC Condenser Technology, utilizing SuperHigh Pressure 16mm 10-Channel Microtube architecture that maximizes both oil flow and cooling surface area. The result is dramatic temperature reduction under all driving conditions.
CSF vs OEM
The factory transmission oil cooler for the Wrangler (JL) & Gladiator (JT) is definitely undersized and just enough for daily driving. Add in modifications like oversized tires, roof racks, etc, the transmission starts to get too hot. The CSF transmission oil cooler is a must have for any type of serious off-roading offering:
- 34% Larger Core Volume and 68% more Fluid Volume than the factory cooler
- Dual Pass Core vs factory single pass design
- Double the number of cooling tubes and fin rows compared to factory
- Perfect for daily driving, overlanding, and off-road adventures
| Feature | CSF | OEM |
|---|---|---|
| # Core Rows | 2 | 1 |
| # Cooling Tubes | 5 (front) + 12 (back) | 8 |
| # Cooling Fin Rows | 6 (front) + 13 (back) | 9 |
| Fin Height | 5mm | 8mm |
| Core Thickness | 16mm (front) + 16mm (back) | 19mm |
| Core Material | Aluminum | Aluminum |
| Tank Material | Aluminum | Aluminum |
| Construction | 100% TIG Welded | Brazed |
Plug and Play Installation
CSF designed both the radiator and transmission oil cooler to easily replace the OEM units. The Plug-and-Play “Drop-in Fit” installation should only take 2-3 hours and greatly improves the reliability and longevity of your engine and transmission.
Product Images – CSF #7340
CSF Jeep Wrangler (JL) & Gladiator (JT) Heavy-Duty Radiator ( CSF #7340 )
- 2-Row, 42mm Ultra-High-Performance Core
- Cooling Tubes with CSF’s Exclusive B-Tube Technology
- New 5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact
- CNC Machined Mounting Brackets and OEM Style Inlet/Outlet
- 100% All Aluminum TIG-Welded Construction
- Hand Brushed Satin Finish
- True Plug-and-Play “Drop-in Fit” Installation Requires Absolutely No Modifications
- Individually Leak and Pressure Tested
- 2-Year Limited Warranty
- CSF #7340 Applications:
- 2018-2025 Jeep Wrangler 3.6L V6 (incl. Hybrid)
- 2020-2023 Jeep Wrangler 3.0L V6 Turbo Diesel
- 2019-2025 Jeep Wrangler 2.0L L4 Turbo (incl. Hybrid)
- 2020-2025 Jeep Gladiator 3.6L V6
- 2021-2023 Jeep Gladiator 3.0L V6 Turbo Diesel
- CSF #7340 OEM Part Numbers:
- Mopar: 68314786AC
- Supersedes:
- Mopar: 68314786AB
- Mopar: 68314786AA
- Supersedes:
- Mopar: 68314786AC
- CSF #7340 MSRP: $759.00 USD / MAP: $725.00 USD
Product Images – CSF #8344
CSF Jeep Wrangler (JL) & Gladiator (JT) Transmission Oil Cooler ( CSF #8344 )
- Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 16mm 10-Channel Microtube for Optimal Oil Flow and Maximum Surface Area Contact
- 19 Rows of 5mm Tall Multi-Louvered Fins
- Welded All-Aluminum Construction
- OEM Style Inlet/Outlet Connections
- 34% Larger Core Volume and 68% more Fluid Volume than the factory cooler
- Drop-in Fit Requires No Modifications to Install
- Black Finish for OEM+ Look
- 2-Year Limited Warranty
- CSF #8344 Applications:
- 2018-2025 Jeep Wrangler 3.6L V6 (incl. Hybrid)
- 2020-2023 Jeep Wrangler 3.0L V6 Turbo Diesel
- 2019-2025 Jeep Wrangler 2.0L L4 Turbo (incl. Hybrid)
- 2020-2025 Jeep Gladiator 3.6L V6
- 2021-2023 Jeep Gladiator 3.0L V6 Turbo Diesel
- CSF #7340 OEM Part Numbers:
- Mopar: 68314791AA
- CSF #8344 MSRP: $399.00 USD / MAP: $379.00 USD
Where to Buy
CSF authorized dealers & distributors
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