Looking for aftermarket parts to modify or upgrade your 2018 GMC Sierra 3500 HD with fender flares? At Tunersports.com we carry a huge selection of the top name brand performance fender flare parts and accessories for your Sierra 3500 HD.
Whether you have a 2018 GMC Sierra 3500 HD in Base to SLT trim we have you covered. We have 25 fender flares available to mod your Sierra 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK 40118-02With their surface-mounted stainless steel bolts and massive presence, Boss? Pocket Style Fender Flares are a Bushwacker exclusive. Despite their aggressive bolt-on styling, Boss? Pocket Style Fender Flares install in minutes, with only minimal drilling required. You can mount them right out of the ... Bushwacker 15-18 GMC Sierra 2500 HD Boss Pocket Style Flares 2pc - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $399.99 |
 SHIPS FROM MANUFACTURER 40135-02With their surface-mounted stainless steel bolts and massive presence, Boss(TM) Pocket Style(R) Fender Flares are a Bushwacker exclusive. Despite their aggressive bolt-on styling, Boss(TM) Pocket Style(R) Fender Flares install in minutes, with only minimal drilling required. They're custom-designed ... Bushwacker 15-18 GMC Sierra 2500 HD Boss Pocket Style Flares 2pc - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $399.99 |
 IN STOCK - LOW 40968-02With their surface-mounted stainless steel bolts and massive presence, Boss? Pocket Style Fender Flares are a Bushwacker exclusive. Despite their aggressive bolt-on styling, Boss? Pocket Style Fender Flares install in minutes, with only minimal drilling required. You can mount them right out of the ... Bushwacker 15-18 GMC Sierra 2500 HD Boss Pocket Style Flares 4pc 78.8/97.6in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $549.99 |
 SHIPS FROM MANUFACTURER 40100-02Bushwacker Extend-A-Fender Flares deliver premium-grade protection and style matched to oversized tires. You can install them in minutes and enjoy them for years - our exclusive Dura-Flex 2000 material is designed for added durability and flexibility, with built-in UV protection. Bushwacker Extend-A... Bushwacker 14-18 GMC Sierra 1500 Extend-A-Fender Style Flares 2pc 69.3/78.8/97.8in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $322.29 |
 SHIPS FROM MANUFACTURER 40131-02Bushwacker Extend-A-Fender Flares deliver premium-grade protection and style matched to oversized tires. You can install them in minutes and enjoy them for years - our exclusive Dura-Flex 2000 material is designed for added durability and flexibility, with built-in UV protection. Bushwacker Extend-A... Bushwacker 15-18 GMC Sierra 2500 HD Extend-A-Fender Style Flares 2pc - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $322.29 |
 SHIPS FROM MANUFACTURER 40966-02You've equipped your GMC Sierra with oversize wheels and tires for serious off-road traction and style. Now you need extra tire coverage to protect your rigs body and maybe even comply with local laws. Bushwacker Extend-A-Fender(R) Flares deliver premium-grade protection and style matched to oversiz... Bushwacker 15-18 GMC Sierra 2500 HD Extend-A-Fender Style Flares 4pc 78.8/97.6in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $502.47 |
 SHIPS FROM MANUFACTURER 40124-02Bushwacker OE Style Fender Flares are made with Dura-Flex 2000, our exclusive material designed for upgraded durability and flexibility. They?re thick too, so they won?t warp. And, they?re 100% UV protected, so they won?t chalk. OE Style Fender Flares deliver premium-grade protection with premium-le... Bushwacker 14-18 GMC Sierra 1500 OE Style Flares 2pc 69.3/78.8/97.8in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $322.29 |
 SHIPS FROM MANUFACTURER 40129-02Bushwacker OE Style Fender Flares are made with Dura-Flex 2000, our exclusive material designed for upgraded durability and flexibility. They?re thick too, so they won?t warp. And, they?re 100% UV protected, so they won?t chalk. OE Style Fender Flares deliver premium-grade protection with premium-le... Bushwacker 15-18 GMC Sierra 2500 HD OE Style Flares 2pc - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $322.29 |
 SHIPS FROM MANUFACTURER 40965-02Bushwacker OE Style Fender Flares are made with Dura-Flex 2000, our exclusive material designed for upgraded durability and flexibility. They?re thick too, so they won?t warp. And, they?re 100% UV protected, so they won?t chalk. OE Style Fender Flares deliver premium-grade protection with premium-le... Bushwacker 15-18 GMC Sierra 2500 HD OE Style Flares 4pc 78.8/97.6in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $485.31 |
 SHIPS FROM MANUFACTURER 40122-02Precision engineered for a perfect fit that provides the rugged look of bolted-on flares without drilling through the bodyAdds significant tire coverage to keep dirt and debris away from your vehicle and comply with laws requiring coverage for larger-than-stock or oversized tires... Bushwacker 14-18 GMC Sierra 1500 Pocket Style Flares 2pc 69.3/78.8/97.8in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $349.99 |
 SHIPS FROM MANUFACTURER 40133-02Precision engineered for a perfect fit that provides the rugged look of bolted-on flares without drilling through the bodyAdds significant tire coverage to keep dirt and debris away from your vehicle and comply with laws requiring coverage for larger-than-stock or oversized tires... Bushwacker 15-18 GMC Sierra 2500 HD Pocket Style Flares 2pc - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $349.99 |
 SHIPS FROM MANUFACTURER 40967-02Precision engineered for a perfect fit that provides the rugged look of bolted-on flares without drilling through the bodyAdds significant tire coverage to keep dirt and debris away from your vehicle and comply with laws requiring coverage for larger-than-stock or oversized tires... Bushwacker 15-18 GMC Sierra 2500 HD Pocket Style Flares 4pc 78.8/97.6in Bed - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $549.99 |
 SHIPS FROM MANUFACTURER 791684EGR Bolt On Look Fender Flares features EGR's OEM grade, no drill installation. EGR Fender Flares are the perfect DIY upgrade for your vehicle. The UV protected, lightly textured finish is easy to clean and fade resistant. EGR Fender Flares can also be painted to match your vehicle. Stainless stee... EGR 15+ GMC Sierra HD Bolt-On Look Fender Flares - Set 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $399.00 |
 SHIPS FROM MANUFACTURER 791684-GANEGR Bolt-On Look Color Match Fender Flares feature OEM quality, no drill installation;, making them the perfect DIY upgrade for your vehicle. The color matched Fender Flares increase tire coverage of your fenders by up to 2 inches. EGR Color Match Fender Flares feature preinstalled protective rubber... EGR 15+ GMC Sierra HD Bolt-On Look Color Match Fender Flares - Set - FF Switchblade Silver 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $799.00 |
 SHIPS FROM MANUFACTURER 791684-GBAEGR Bolt-On Look Color Match Fender Flares feature OEM quality, no drill installation;, making them the perfect DIY upgrade for your vehicle. The color matched Fender Flares increase tire coverage of your fenders by up to 2 inches. EGR Color Match Fender Flares feature preinstalled protective rubber... EGR 15+ GMC Sierra HD Bolt-On Look Color Match Fender Flares - Set - Black 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $799.00 |
 SHIPS FROM MANUFACTURER RX105SRugged and Bold FlareLUND?s RX-Rivet Style? fender flares are the perfect addition to lifted trucks, creating a bold, unmistakable appearance. Designed for larger tires and wheels, LUND?s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck in... Lund 15-17 GMC Sierra 2500 RX-Rivet Style Smooth Elite Series Fender Flares - Black (4 Pc.) 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $386.16 |
 SHIPS FROM MANUFACTURER RX105SARugged and Bold FlareLUND?s RX-Rivet Style? fender flares are the perfect addition to lifted trucks, creating a bold, unmistakable appearance. Designed for larger tires and wheels, LUND?s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck in... Lund 15-17 GMC Sierra 2500 RX-Rivet Style Smooth Elite Series Fender Flares - Black (2 Pc.) 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $251.42 |
 SHIPS FROM MANUFACTURER RX105SBRugged and Bold FlareLUND?s RX-Rivet Style? fender flares are the perfect addition to lifted trucks, creating a bold, unmistakable appearance. Designed for larger tires and wheels, LUND?s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck in... Lund 15-17 GMC Sierra 2500 RX-Rivet Style Smooth Elite Series Fender Flares - Black (2 Pc.) 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $251.42 |
 SHIPS FROM MANUFACTURER RX105TRugged and Bold FlareLUND?s RX-Rivet Style? fender flares are the perfect addition to lifted trucks, creating a bold, unmistakable appearance. Designed for larger tires and wheels, LUND?s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck in... Lund 15-17 GMC Sierra 2500 RX-Rivet Style Textured Elite Series Fender Flares - Black (4 Pc.) 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $386.16 |
 SHIPS FROM MANUFACTURER RX105TARugged and Bold FlareLUND?s RX-Rivet Style? fender flares are the perfect addition to lifted trucks, creating a bold, unmistakable appearance. Designed for larger tires and wheels, LUND?s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck in... Lund 15-17 GMC Sierra 2500 RX-Rivet Style Textured Elite Series Fender Flares - Black (2 Pc.) 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $250.58 |
 SHIPS FROM MANUFACTURER RX105TBRugged and Bold FlareLUND?s RX-Rivet Style? fender flares are the perfect addition to lifted trucks, creating a bold, unmistakable appearance. Designed for larger tires and wheels, LUND?s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck in... Lund 15-17 GMC Sierra 2500 RX-Rivet Style Textured Elite Series Fender Flares - Black (2 Pc.) 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $250.58 |
 SHIPS FROM MANUFACTURER 8630-2The Original Equipment Fender Flare that is designed to have the look of factory installed fender flares. Original Riderz Fender Flares beef up your vehicles body lines.... Stampede 2015-2018 GMC Sierra 2500 HD 78.8/97.6in Bed Original Riderz Fender Flares 4pc Smooth 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $279.50 |
SHIPS FROM MANUFACTURER 8630-5The Original Equipment Fender Flare that is designed to have the look of factory installed fender flares. Original Riderz Fender Flares beef up your vehicles body lines.... Stampede 2015-2018 GMC Sierra 2500 HD 78.8/97.6in Bed Original Riderz Fender Flares 4pc Text 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $279.50 |
 SHIPS FROM MANUFACTURER 8430-2Bold Riveted-Look Fender Flares. Go for the "bolted" look without the work. You'll find the perfect fit, while adding a tough, aggressive look.... Stampede 2015-2018 GMC Sierra 2500 HD 78.8/97.6in Bed Ruff Riderz Fender Flares 4pc Smooth 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $301.07 |
SHIPS FROM MANUFACTURER 8430-5Bold Riveted-Look Fender Flares. Go for the "bolted" look without the work. You'll find the perfect fit, while adding a tough, aggressive look.... Stampede 2015-2018 GMC Sierra 2500 HD 78.8/97.6in Bed Ruff Riderz Fender Flares 4pc Textured 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $301.07 |