* Engine type: Different Wrangler models have different engines (e.g., 4-cylinder, V6, various displacement sizes). A rebuild for a larger, more complex engine will be more expensive. The year of the Jeep also plays a role here.
* Level of rebuild: A "short block" rebuild (replacing just the bottom end) is cheaper than a complete rebuild (replacing all major components). A top-end rebuild (heads, valves, etc.) falls somewhere in between.
* Parts used: Using new, OEM (Original Equipment Manufacturer) parts will be significantly more expensive than using remanufactured or aftermarket parts. The quality of the aftermarket parts also varies widely.
* Labor costs: Labor costs vary widely based on geographic location and the shop's hourly rate. A specialized Jeep mechanic may charge more than a general automotive repair shop.
* Condition of the original engine: The more severely damaged the engine is, the more extensive (and expensive) the rebuild will be.
Rough Estimate: You could expect to pay anywhere from $3,000 to $10,000 or more for a rebuilt Jeep Wrangler engine, including parts and labor. It's not uncommon for a full rebuild with OEM parts to exceed $10,000. A less extensive rebuild with aftermarket parts might fall closer to the lower end of the range.
Recommendation: Get multiple quotes from reputable mechanics specializing in Jeep Wranglers in your area to get a precise estimate based on your specific vehicle and needs. Be sure to clearly specify the extent of the rebuild you require and the type of parts you want to use.