Specifications

• Programming Required: No
• Resistor Type: Yes
• Heat Range: 4
• Resistance: 4-7.5 kOhm
• Center Electrode Core Material: Copper
• Center Electrode Tip Material: Iridium
• Ground Configuration: Single
• Ground Electrode Core Material: Nickel Alloy
• Ground Electrode Quantity: 1
• Ground Electrode Tip Design: Single Prong Electrode
• Seat Type: Gasket
• Insulator Height: 3.012"
• Thread Reach: 0.689"
• Hex Size: 5/8"
• Thread Diameter: 0.551"
• Gap Size: 0.059"

Features

• Manufactured to restore your vehicle’s ignition system
• Designed with your specific vehicle in mind
• Meticulously crafted for an exact fit
• Made to be highly resistant to wear and tear
• Provides the best quality at a great price

Product Details

GM Original Equipment™ Iridium Spark Plug (41-993) by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even better than the part your vehicle was manufactured with. This product is made from premium materials to serve you for years to come.

Vehicle Fitment Table

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

What part number is this?
The listed part number is 41-993.

Is this product designed for direct replacement?
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

Common Searches

• GM Original Equipment™ Iridium Spark Plug for Cadillac Escalade
• 41-993 fitment
• ACDelco GM Original Equipment™ Iridium Spark Plug
• 1999 Cadillac Escalade GM Original Equipment™ Iridium Spark Plug