Instead of chasing the elusive OE part number, focus on finding a modern, high-quality replacement that meets the specifications. This will likely be more reliable and perform better than an aged OE plug.
Here's what you should look for:
* Heat Range: This is crucial. The wrong heat range can lead to fouling or pre-ignition. You'll need to research the correct heat range for your 3.0L V6 engine. A parts store (autozone, advance auto, etc.) or a reputable online retailer will likely have this information based on your vehicle's year, make, and model. They can cross reference and find the proper heat range for you.
* Reach (Thread Length): The spark plug needs the correct reach to properly seat in the cylinder head. Again, check with a parts store for this specification.
* Thread Size: This is usually 14mm for most vehicles of this era, but double-check.
* Recommended Brands: Several reputable brands offer high-quality spark plugs suitable for this application. These include:
* NGK: Known for their consistent quality and performance. Find the specific NGK plug based on the heat range and reach you determine.
* Denso: Another excellent brand offering reliable performance. Similar to NGK, you need to find the correct part number based on the heat range and reach.
* Champion: A more budget-friendly option, but still capable of providing satisfactory performance. Again, find the appropriate part number for your application.
How to Find the Right Plugs:
1. Visit a Parts Store: This is the easiest method. Provide the year, make, model, and engine size to a parts professional. They can quickly look up the correct spark plugs for your car.
2. Use an Online Parts Retailer: Websites like AutoZone, Advance Auto Parts, or RockAuto allow you to search by vehicle specifications and will show you compatible spark plugs. Pay close attention to the specifications (heat range, reach, etc.).
3. Consult Your Owner's Manual: If you still have the original owner's manual, it might specify the correct spark plug type.
Do NOT solely rely on a generic "fits 1993 Dodge Stealth" result online. Always confirm the specifications match your engine. Using the wrong spark plug can damage your engine.
