Material: ductile iron, chilled cast iron, forged 45 steel, 40Cr, 42CrMo 

The "Jeep 3.6L" refers to the 3.6L Pentastar V6 naturally aspirated engine. 

Car model (domestic / mainstream) 

Rancher Wrangler (JL) 

2. Grand Cherokee (WK2) 

3. Gladiator (Pika)