SK-3433 is a new premium rear shock for the 2013-2019 Cadillac XTS (EPS II). This shock, which fits the rear left side, includes a custom-valved and thoroughly road-tested shock which provides an excellent ride. The shock includes a new polyurethane bump stop, new top and bottom mounts and a protective dust boot. The new replacement Cadillac XTS rear shock is designed and assembled by Arnott in the USA and is backed by Arnott's industry leading warranty.