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Finish end Caps
Gatorback FC003RF
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FC003RF Finishing Caps (2-Piece Kit)
Fix the Most Common Sierra Fender Gap
When you remove factory splash guards on a 2019 - 2026 GMC Sierra 1500, one of the most noticeable issues is the open gap at the front of the rear wheel well.
FC003RF Finishing Caps are designed specifically to fix that exact problem restoring a clean OEM look and preparing your truck for proper mud flap installation.
Key Features
Targeted 2-Piece Kit (Rear Front Section)
Designed specifically for the front side of rear wheel openings
OEM-Style Appearance
Replaces the integrated factory splash guard with a clean finishing cap
Perfect for Mud Flap Installs
Required for proper fitment of Gatorback CR Series mud flaps
No Drill Installation
Reuses factory mounting points for fast install
Durable Polyurethane Construction
Built from composite material with matte black finish for long-term durability
What’s Included
(2) Finishing caps
Driver side (front of rear wheel)
Passenger side (front of rear wheel)
Mounting hardware (where applicable)
Vehicle Fitment
2019 - 2026 GMC Sierra 1500
Does NOT fit AT4X AEV Edition
Designed for stock fender flares
Installation Overview
Remove OEM splash guards
Position finishing caps in factory location
Reuse existing hardware
Optional: install mud flaps
Install time: 15 -30 minutes
Why Customers Buy FC003RF
Fixes the most noticeable fender gap after mud flap removal
Required for a clean mud flap install
Quick, low-cost way to improve appearance
This is often the first piece customers need, even before full kits
Pro Sales Insight (HIGH CONVERSION)
This is a perfect entry-level upsell:
Customer removes factory flaps sees gap
Doesn’t want full kit yet buys FC003RF first
FC001K (front + rear full coverage)
FC003K (complete 6-piece kit)
Gatorback mud flaps (GA12234X4-2)
Final Take
FC003RF Finishing Caps are the quickest and most affordable fix for:
The front-of-rear-wheel gap
Clean OEM appearance
Proper mud flap installation
If you removed factory splash guards and your truck looks unfinished this is the exact part you need
Rear Fender Flare Caps Front of Rear Wheel | 2019 - 2026 GMC Sierra 1500
Customer Reviews
This product has not yet been reviewed.