1. Parts: The cost of the parts required for the engine rebuild can range from approximately $2,500 to $4,000. These parts may include the cylinder head, pistons, piston rings, bearings, gaskets, seals, and other engine components.
2. Labor: The labor cost for rebuilding an engine can vary depending on the mechanic's or repair shop's hourly rate and the complexity of the job. On average, labor costs for a complete engine rebuild can range from $2,500 to $3,500, but it could be higher if the engine is severely damaged or if additional repairs are needed.
3. Machine Shop Services: Rebuilding an engine may also require specialized services from a machine shop, such as boring and honing the cylinders, resurfacing the cylinder head, and balancing the rotating assembly. These services can add additional costs to the overall project, ranging from $500 to $1,000 or more.
Therefore, the total cost of rebuilding the engine of a 2007 Lexus RX 350 can range from approximately $5,500 to $9,000, including parts, labor, and any necessary machine shop services. However, it's essential to get specific estimates from reputable mechanics or repair shops for a more accurate assessment of the costs involved in rebuilding your particular engine.