Permatex Heavy-Duty Rubberized Undercoating, part number 81833, is an all-purpose rubberized coating formulated to seal, protect, and insulate surfaces in professional shop or home garage applications. The rubberized formula is designed for maximum durability, making it suited to the underbody environments common in heavy truck maintenance. Described by the manufacturer as a Level 3 professional-blend coating, it is intended for broad coverage use where a tough, flexible barrier is needed against moisture, road debris, and corrosion. Available from Pro Gear and Transmission. Not sure this is your part? Give us a call.
Features
Rubberized formula for flexible, durable surface protection
Seals, protects, and insulates in a single application
Level 3 professional-blend all-purpose coating
Suitable for both shop and home garage use
Helps resist moisture, road debris, and corrosion on underbody surfaces
