Grumper Fender System (Front)

Multiple Vehicles

Exclusively for the Jeep JL, The Grumper Fender was engineered to tie directly to the 2nd Gen Grumper (GR4650-1) and presents the first ever fender to front bumper integration. Key features include high arch design, aggressive styling, and one-piece construction (integrating fender, fender flare and gill box into one part). Separate your new JL Wrangler from the rest with these Fab Fours Integrated Fenders All parts are 100% U.S. steel and manufactured here in South Carolina, USA. **Only works with the JL Grumper**


Front Fender System Only

*Front Grumper Fender Only Works With JL Grumper: GR4650-1 (JL Grumper required for install)

Aggressive Styling

Provides Greater Tire Clearance

Allows for Larger Tire

Knife Edge Design

Drake Off-Road Billet Aluminum Hood Latch

One-Piece Construction

Completely Bolt-On Installation

Includes LED Parking/Turn Lamp

Gill includes an integrated rock light mount

Optional- 11 Gauge Steel Inner Fender( JL1002-1) May not work with over-sized Shocks or Coil-Overs // Not compatible with Diesel models due to washer reservoir and Mojave models due to bump stop interference.


Materials: Grumper Fender-11 Gauge Steel
Inner Fender-11 Gauge Steel

Finish: Fab Fours 2 Stage Black Powder Coat

Size/Weight: Length: 70″ Height: 29″ Width: 22″ Weight: 70 Lbs

Application: 2018-2022 Jeep JL // 2020-2022 Jeep Gladiator

Grumper Fender System (Front)

Multiple Vehicles


Buy Now

From Concept to Reality... Building off the radical design of "The LEGEND". The  GRUMPER offers a revolutionary combination of both grille and winch bumper. Fully Customizable with removable inserts, this aggressive yet sophisticated piece is sure to change the way we look at bumpers going forward for your truck or Jeep.

detailed specs

2018-2022 Jeep JL // 2020-2022 Gladiator
Grumper Fender System JL4600-1 DOWNLOAD
2018-2022 Jeep JL // 2020-2022 Gladiator
Inner Fender JL1002-1 DOWNLOAD

product pairings