The CSF 8344 is a high-performance transmission oil cooler for the 2018-2026 Jeep Wrangler JL and 2020-2026 Jeep Gladiator JT, covering the 3.6L V6 Pentastar, the 2.0L turbo, and the 3.0L turbo diesel, including the mild-hybrid and plug-in-hybrid Wrangler variants. It uses a 1-row super-high-pressure 16mm 10-channel microtube core in a dual-pass configuration with 19 rows of 5mm tall multi-louvered fins, giving 34 percent more core volume and 68 percent more fluid volume than the factory cooler. It is 100 percent TIG-welded aluminum with a black finish and OEM-style inlet and outlet, and it is a drop-in fit.
- Type: high-performance transmission oil cooler
- Core: 1-row, 16mm 10-channel microtube, dual-pass
- Fins: 19 rows, 5mm multi-louvered
- Capacity: 34 percent more core volume, 68 percent more fluid than factory
- Construction: 100 percent TIG-welded aluminum
- Connections: OEM-style inlet/outlet
- Finish: black
- OEM cross-reference: 68314791AA
- Fitment: drop-in (2-3 hour install)
- Part number: 8344
Vehicle Applications
Direct fit on the following:
- 2018 Jeep Wrangler JL
- 2019 Jeep Wrangler JL
- 2020 Jeep Wrangler JL
- 2021 Jeep Wrangler JL
- 2022 Jeep Wrangler JL
- 2023 Jeep Wrangler JL
- 2024 Jeep Wrangler JL
- 2025 Jeep Wrangler JL
- 2026 Jeep Wrangler JL
- 2020 Jeep Gladiator JT
- 2021 Jeep Gladiator JT
- 2022 Jeep Gladiator JT
- 2023 Jeep Gladiator JT
- 2024 Jeep Gladiator JT
- 2025 Jeep Gladiator JT
- 2026 Jeep Gladiator JT
FAQ
What vehicles does the CSF 8344 fit?
The 2018-2026 Jeep Wrangler JL and 2020-2026 Gladiator JT with the 3.6L V6, 2.0L turbo, or 3.0L turbo diesel.
How much bigger is it than the factory cooler?
It has 34 percent more core volume and 68 percent more fluid volume than the factory cooler.
Does it fit the hybrids?
Yes. It fits the mild-hybrid and plug-in-hybrid Wrangler variants.
Is it a direct fit?
Yes. It is a drop-in fit; installation takes roughly 2 to 3 hours.

