Free shipping sitewide!* View Details

Find an Installer

Support

Track Order

Free shipping sitewide!* View Details

Find an Installer

Support

Track Order

Rough Country

Search products, categories...

Truck & Jeep PartsUTV & ATV PartsLifestyleCustomer BuildsArticles & More

GMC Sierra 3500 HDExterior Parts

Category Hero: Exterior Parts

Shop By Vehicle

Make / Model / Year ...
Select

The Make is not valid for your current vehicle.

Select

The Model is not valid for your current vehicle.

Select

The Year is not valid for your current vehicle.

Exterior Parts

Bed Covers & Tonneau Covers
Bed Covers & Tonneau Covers(13)
Truck Bed Mats
Truck Bed Mats(2)
Truck Bed Accessories
Truck Bed Accessories(20)
Steps & Running Boards
Steps & Running Boards(26)
Fender Flares
Fender Flares(3)
Bumpers
Bumpers(1)
Wheel Well Liners
Wheel Well Liners(2)
Deflectors
Deflectors(4)
Mud Flaps & Splash Guards
Mud Flaps & Splash Guards(1)
Filter Results:81 items
Retractable Bed Step
Manual Pull | Chevy/GMC 2500HD/3500HD (20-26)

102 reviews

Retractable Bed Step | Manual Pull | Chevy/GMC 2500HD/3500HD (20-26)Retractable Bed Step | Manual Pull | Chevy/GMC 2500HD/3500HD (20-26)
$199.95
In stock
Power Running Boards
Dual Electric Motor | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-14)

1955 reviews

Power Running Boards | Dual Electric Motor | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-14)
$1,299.95
In stock
Multi-Color LED Running Boards
Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-19 & Classic)

8 reviews

Multi-Color LED Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-19 & Classic)
$699.95
In stock
Fender Flares
Sport | GMC 2500/3500 HD (2020-2026)
Be first to review
Fender Flares | Sport | GMC 2500/3500 HD (2020-2026)Fender Flares | Sport | GMC 2500/3500 HD (2020-2026)

Starting at

$339.95
Configurable
Rear Wheel Well Liners
GMC Sierra 1500/Sierra 2500 HD/Sierra 3500 HD (14-19)

4738 reviews

GMC Rear Wheel Well Liners
$119.95
In stock
Retractable Bed Step
Manual Pull | Chevy/GMC 2500HD/3500HD (11-14)
Be first to review
Retractable Bed Step | Manual Pull | Chevy/GMC 2500HD/3500HD (11-14)Retractable Bed Step | Manual Pull | Chevy/GMC 2500HD/3500HD (11-14)
$199.95
In stock
Multi-Color LED Running Boards
Crew Cab | Chevy/GMC 1500/2500HD/3500HD (19-26)

8 reviews

Multi-Color LED Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (19-26)Multi-Color LED Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (19-26)
$699.95
In stock
OV2 Running Boards
Side Step Bars | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-19 & Classic)

108 reviews

OV2 Running Boards | Side Step Bars | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-19 & Classic)
$449.95
In stock
SRX2 Adj Aluminum Step
Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)

140 reviews

SRX2 Adj Aluminum Step | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)
$449.95
In stock
Side Window Deflectors
In Channel Rain Guard | Chevy/GMC 1500/2500HD/3500HD 2WD/4WD

83 reviews

Side Window Deflectors | In Channel Rain Guard | Chevy/GMC 1500/2500HD/3500HD 2WD/4WD
$69.95
In stock
Side Window Deflectors
Tape On Rain Guard | Chevy/GMC 1500/2500HD/3500HD (19-26)
Be first to review
Side Window Deflectors | Tape On Rain Guard | Chevy/GMC 1500/2500HD/3500HD (19-26)
$69.95
In stock
RPT2 Running Boards
Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)

475 reviews

RPT2 Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)
$449.95
In stock
SRL2 Adj Aluminum Step
Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)

34 reviews

SRL2 Adj Aluminum Step | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)
$469.95
In stock
Side Window Deflectors
Tape On Rain Guard | Chevy/GMC 1500/2500HD/3500HD 2WD/4WD
Be first to review
Side Window Deflectors | Tape On Rain Guard | Chevy/GMC 1500/2500HD/3500HD 2WD/4WD
$69.95
Single Hoop Step
Universal | Alum | Pair | Multiple Makes & Models (Chevy/Ford/GMC/Ram)

17 reviews

Single Hoop Step | Universal | Alum | Pair | Multiple Makes & Models (Chevy/Ford/GMC/Ram)
$119.95
In stock
Adjustable Crossbars
Universal T-Slot
Be first to review
Adjustable Crossbars | Universal T-SlotAdjustable Crossbars | Universal T-Slot
$299.95
In stock
Tailgate Seal Kit
Waterproof & Dustproof Protection | Universal Fitment

66 reviews

Tailgate Seal Kit | Waterproof & Dustproof Protection | Universal FitmentTailgate Seal Kit | Waterproof & Dustproof Protection | Universal Fitment
$27.95
Onboard Air Bag Compressor Kit w/Gauge

12 reviews

Onboard Air Bag Compressor Kit w/Gauge
$329.95
In stock
Air Spring Cradle Kit

90 reviews

Air Spring Cradle Kit
$39.95
In stock
Air Spring Spacers

18 reviews

Air Spring Spacers

Starting at

$49.95
Configurable
Universal Air Compressor Mounting Kit

34 reviews

Universal Air Compressor Mounting Kit
$24.95
In stock
Universal Bed Rail Flag Pole Holder

42 reviews

Universal Bed Rail Flag Pole Holder

Starting at

$49.95
Configurable
Wireless Air Bag Controller Kit w/Compressor

20 reviews

Wireless Air Bag Controller Kit w/Compressor
$749.95
In stock
HD2 Heavy Duty Receiver Hitch Step
Fits 2 Inch Receiver

202 reviews

HD2 Heavy Duty Receiver Hitch Step | Fits 2 Inch ReceiverHD2 Heavy Duty Receiver Hitch Step | Fits 2 Inch Receiver
$129.95
In stock
Wireless Air Bag Controller Kit

3 reviews

Wireless Air Bag Controller Kit
$599.95
In stock
Molle Panel Aluminum Mounting Kit (Pair)
Be first to review
Molle Panel Aluminum Mounting Kit (Pair)Molle Panel Aluminum Mounting Kit (Pair)
$24.95
In stock
Tie-Down Strap
1" x 60"

44 reviews

Tie-Down Strap | 1" x 60"
$12.95
In stock
Universal Hitch Rack
Fits 2 Inch Receiver

3 reviews

Universal Hitch Rack | Fits 2 Inch Receiver
$349.95
In stock
Universal 2" Hitch Dual Flag Pole Holder

28 reviews

Universal 2" Hitch Dual Flag Pole Holder

Starting at

$59.95
Configurable
High Mount Bracket
270 Degree Awning

32 reviews

High Mount Bracket | 270 Degree Awning
$69.95
In stock
Clamp On Bed Rack Mount
Universal | Multiple Makes & Models

2 reviews

Clamp On Bed Rack Mount | Universal | Multiple Makes & Models
$109.95
In stock
Bed Rack T-Rail Mount
Universal | Multiple Makes & Models (Chevy/Dodge/Ford/GMC/Ram)
Be first to review
Bed Rack T-Rail Mount | Universal | Multiple Makes & Models (Chevy/Dodge/Ford/GMC/Ram)
$99.95
In stock
Tailgate Assist
Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)

1301 reviews

Tailgate Assist | Chevy/GMC 1500/2500HD/3500HD (07-18 & Classic)
$34.95
In stock
Fluid Container Locker

3 reviews

Fluid Container Locker
$24.95
In stock
Molle Pocket Panel
Universal

1 reviews

Molle Pocket Panel | Universal
$49.95
In stock
Flat Fluid Containers with Lockable Mount
10L & 20L

51 reviews

Flat Fluid Containers with Lockable Mount | 10L & 20L

Starting at

$79.95
Configurable

New Products

Shop All
Retractable Bed Step
Manual Pull | Chevy/GMC 2500HD/3500HD (11-14)
Be first to review
Retractable Bed Step | Manual Pull | Chevy/GMC 2500HD/3500HD (11-14)Retractable Bed Step | Manual Pull | Chevy/GMC 2500HD/3500HD (11-14)
$199.95
In stock
Tailgate Seal Kit
Waterproof & Dustproof Protection | Universal Fitment

66 reviews

Tailgate Seal Kit | Waterproof & Dustproof Protection | Universal FitmentTailgate Seal Kit | Waterproof & Dustproof Protection | Universal Fitment
$27.95
Powered Retractable Bed Cover
6'9" Bed | Chevy/GMC 2500HD/3500HD (20-26)

1 reviews

Powered Retractable Bed Cover | 6'9" Bed | Chevy/GMC 2500HD/3500HD (20-26)Powered Retractable Bed Cover | 6'9" Bed | Chevy/GMC 2500HD/3500HD (20-26)
$1,799.95
In stock

Talk to a Build Expert

Contact Us
  • 1-800-222-7023Offline
  • Email Us
  • Offline
  • Suspension Lift Kits
  • Leveling Lift Kits
  • Off-Road LED Lights
  • Exterior Parts
  • Interior Parts
  • Wheels
  • Tires
  • Steering Stabilizers
  • Performance Parts
  • Winches & Recovery Gear
  • Overlanding Products
  • Latest Products
  • Customer Build Gallery
7am - 7pmMonday-Fri
8am - 5pmSaturday
ClosedSunday
All times US Central Standard Time [CST]

Stay Connected

Rough Country
© 2026 Rough Country. All Rights Reserved.