Sentinel fenders are distributed exclusively by the Merritt Equipment Company and their associated retailers.

Sentinel Composites
Fender Systems
for Class 8 trucks

Protecting your investment one wheel at a time.

Sentinel Fender Systems

Sentinel Composites
Fenders and Accessories

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Sentinel Fenders available in three product lines:

The Poly-Pro! line of fenders are constructed from a High Density Polyethylene. These fenders are designed to be used in off road as well as utility truck application. The unique material sheds and mud, rocks, and assorted carnage that your tires can throw at them. Simply spray off with water and they look great. These economy value fenders will guard your rig from all sorts of matter. These fenders are not paintable but can be cast in several solid colors. Minimum volumes required for alternative colors. Available in single axle full radius (SKU 5344-2), half tandem single radius (SKU 5340-2), and as a full, dual axle fender (SKU 5343-2).

The Protector line of fenders are designed for fleet and utility trucks. These units are constructed of super-durable thermo-polyolefin (TPO) which has proven its durability in automotive applications for years. With the application of an adhesion promoter, these fenders will readily accept automotive grade paint, giving your truck a custom look. Unpainted, they look great with a smooth surface finish, that will compliment any rig. Especially well suited to cold weather applications. Available in single axle full radius (SKU 5304-2), half tandem single radius (SKU 5300-2), and as a full, dual axle fender (SKU 5303-2).

Mark I fenders are designed to be both beautiful and protective to your rig. These fenders are constructed of fiberglass resin molecularly bonded to super-tough ABS. the result is a material that is strong, durable, and beautiful. Lighter than standard fiberglass offerings, these fenders will withstand the elements and make your rig look great. These special order units are available as paint-ready or have them factory painted. Simply provide use your factory color code.

The Poly-Pro! line of fenders are constructed from a High Density Polyethylene. These fenders are designed to be used in off road as well as utility truck application. The unique material sheds and mud, rocks, and assorted carnage that your tires can throw at them. Simply spray off with water and they look great. These economy value fenders will guard your rig from all sorts of matter. These fenders are not paintable but can be cast in several solid colors. Minimum volumes required for alternative colors. Available in single axle full radius (SKU 5344-2), half tandem single radius (SKU 5340-2), and as a full, dual axle fender (SKU 5343-2).
The Protector line of fenders are designed for fleet and utility trucks. These units are constructed of super-durable thermo-polyolefin (TPO) which has proven its durability in automotive applications for years. With the application of an adhesion promoter, these fenders will readily accept automotive grade paint, giving your truck a custom look. Unpainted, they look great with a smooth surface finish, that will compliment any rig. Especially well suited to cold weather applications. Available in single axle full radius (SKU 5304-2), half tandem single radius (SKU 5300-2), and as a full, dual axle fender (SKU 5303-2).
Mark I fenders are designed to be both beautiful and protective to your rig. These fenders are constructed of fiberglass resin molecularly bonded to super-tough ABS. the result is a material that is strong, durable, and beautiful. Lighter than standard fiberglass offerings, these fenders will withstand the elements and make your rig look great. These special order units are available as paint-ready or have them factory painted. Simply provide use your factory color code.