There are 25 replacement spark plugs for ACDelco R42TX. The cross references are for general reference only, please check for correct specifications and measurements for your application.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network and Amazon Associates.
Choose brandname and start typing model number.
The spark plug Cross References are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.