Compatible with：Direct Match for Mack CH/CX/CV & OE#82278971 (No Fuss Installation) Plays Nice fit With PAI 804140/Newstar S29703/1MR4323M15 Systems Upgrade material：Built Like a Workhorse - Thicker Contacts，Improve the service life of heavy-duty copper contacts Performance：This Heavy Duty Power Door Window Rocker Switch Tested multi times (Tough as Nails Edition)，Sealed tighter than a pickle jar Easy install：Simple plug-n-play setup Got Your Back：if you are not satisfied with your purchase，we can provide 1 years quality support for this Fit for Mack 1MR4323M15, 1MR4341AM15, 25153005, Fit for OE Aftermarket 3452263, PAI 804140, Genuine Newstar S-29703, S29703