2013 Cadillac XTS Spark Plugs

Genuine GM spark plugs for the 2013 Cadillac XTS, at wholesale prices. Heat range and gap are specified per engine, and GM has revised plug part numbers mid-generation on several engines. Front-drive full-size sedan widely used in livery and as a hearse and limousine base.

Signs it is time

Misfires under load, rough idle, or a drop in fuel economy. On a full-size car, engine option is the main split here, and it runs deeper into the group than most people expect.

Why order factory

• We catch the wrong part before you do. VIN verification is free on every spark plugs order.
• Fast out the door. In stock spark plugs ship within hours, not days, from Dallas.
• No hassle returns. If the spark plugs is not right, send it back.
• Warranty intact. OEM spark plugs keep coverage that an aftermarket part can void.
• Wholesale pricing. Most spark plugs numbers land well below dealer list.

Making sure it fits

Materials and coatings are specified, not approximated, which is why factory parts last through more heat cycles. Check the VIN before ordering anything that has to bolt to something else. Shipping is calculated on real weight and distance, which usually beats a padded flat rate.