The 2002-2007 Jeep / Dodge 3.7L engine is available at Roadmaster Engine Word. This Dodge 3.7l engine is found in the Jeep Liberty, Jeep Grand Cherokee, Jeep Commander, Dodge Dakota and Dodge Durango.
3.7l remanufactured engine is only $2750 with a $500 core deposit. Roadmaster offers a 3 year/100,000 mile warranty.
Dodge 3.7l Engine
Hence this 3.7l PowerTech V-6 engine is, essentially, the 4.7 V-8 with two fewer cylinders. In addition Dodge 3.7l engines first use was being the optional engine on the Jeep Liberty. Followed quickly by use as the 2002 Dodge Ram’s base engine.
The 3.7 has a 90 degree V-6 design with cast iron block. Also compacted graphite bedplate and aluminum cylinder heads with single overhead cams on each bank. A centrally-mounted, gear-driven counter-rotating balance shaft. Along with a split-pin crankshaft, reduces vibration.
In comparison to the 4.7 on which it is based, the 3.7 features chain-driven overhead cams to provide long-term durability and reliability. A fabricated tubular camshaft with powder metal lobes helps reduce engine weight.
Unlike many new engines, the 3.7 has only two valves per cylinder. Rather better for low-end torque, but not as good at higher rpms. Since the 3.7 will be in relatively heavy vehicles, that could be a good design choice.
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