Dorman 740-835 Front Passenger Side Replacement Manual Window Regulator for Select Buick/Oldsmobile/Pontiac Models Engineered improvements enhance performance Quality tested to ensure trouble free installation, performance, and durability Plug & Play  No wire splicing necessary Engineered improvements enhance performance Quality tested to ensure trouble free installation, performance, and durability Plug and Play - no wire splicing necessary OE: 16331090, 16632436, 16633098, 16636174