Body Bump Stop Set by SoffSeal®. Includes: 4-K183, 4-K192, 4-K106, 4-K189. SoffSeal™ offers a wide variety of bumpers and grommets to eliminate rattles and properly adjust components in your vehicle. Genuine SoffSeal™ brand bumpers are manufactured with sun and ozone resistant materials and are backed by a lifetime warranty against manufacturers defects.