The 3.7-liter PowerTech V6 used in Jeep models was built in-house by Chrysler Group LLC (now Stellantis) as part of its own PowerTech engine family.
What the 3.7 PowerTech V6 is and who makes it
These bullets summarize the essential facts about the engine’s maker and its place in Jeep’s lineup.
- Manufacturer: Chrysler Group LLC (now Stellantis)
- Engine family: PowerTech V6
- Production years: roughly early 2000s through the early 2010s
- Primary application: Jeep models from that era
- Replacement trajectory: later models moved to the 3.6L Pentastar and related engines
In short, the 3.7 is an in-house Chrysler product, developed and built to power Jeep vehicles during a transitional era before newer engines took over.
Context and evolution
Here is the broader context for where the 3.7 fits in Chrysler’s engine history and how it evolved with the company’s corporate changes.
- Part of the PowerTech family, designed in the late 1990s to early 2000s
- Used across several Jeep platforms in the mid-2000s
- Phased out as more efficient engines were introduced around 2010–2012
- Today regarded as a transitional engine in Jeep’s powertrain history
Ultimately, the 3.7 PowerTech V6 stands as an in-house effort by Chrysler to equip Jeep with a mid‑size V6 option before the shift to the Pentastar era and beyond.
Summary
The 3.7-liter engine was built by Chrysler Group LLC (now Stellantis) as part of the PowerTech V6 family. It powered Jeep models during the mid‑2000s and was gradually replaced by newer engines, notably the 3.6L Pentastar, as the company modernized its powertrains.