36+ 2021 Ram 3500 Tonneau Covers Limited Longhorn Parts

Limited Longhorn · Tonneau Covers (36 products)

Exact-fit parts for the 2021 Ram 3500 Limited Longhorn.

Undercover

Part # UC3076L-PS2

Confirmed Fit

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 2500/3500 6.4ft Lux Bed Cover - Bright Silver

$1899.99

Undercover

Part # UC3078L-PRP

Confirmed Fit

UnderCover 11-17 Ram 1500 / 10-20 Ram 2500/3500 6.4ft Elite LX Bed Cover - Deep Cherry Red

$1999.99

Undercover

Part # UC3078L-PCL

Confirmed Fit

UnderCover 14-18 Ram 1500 6.4ft Elite LX Bed Cover - Blue Streak

$1999.99

Roll-N-Lock

Part # LG449M

Confirmed Fit

Roll-N-Lock 2009 Dodge Ram 1500 LB 96in M-Series Retractable Tonneau Cover

$1799.99

Undercover

Part # UC3076L-PAR

Confirmed Fit

UnderCover 12-18 Ram 1500-3500 HD 6.4ft Lux Bed Cover - Maximum Steel

$1899.99

Undercover

Part # UC3076

Confirmed Fit

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 Ram 2500/3500 6.4ft SE Bed Cover - Black Textured

$1199.99

Undercover

Part # UC3078L-PAR

Confirmed Fit

UnderCover 12-18 Ram 1500 / 10-20 Ram 2500/3500 6.4ft Elite LX Bed Cover - Maximum Steel

$1999.99

Undercover

Part # UC3078L-PDM

Confirmed Fit

UnderCover 09-15 Ram 1500 / 10-15 Ram 2500/3500 6.4ft Elite LX Bed Cover - Mineral Grey

$1999.99

EGR 15-19 Ram 2500 Classic 6.4ft Bed (w/o RAMBOX) RollTrac Electric Tonneau Cover

EGR

Part # RT040033E

Confirmed Fit

EGR 15-19 Ram 2500 Classic 6.4ft Bed (w/o RAMBOX) RollTrac Electric Tonneau Cover

$3285.00

Undercover

Part # UC3078L-PR4

Confirmed Fit

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 Ram 2500/3500 6.4ft Elite LX Bed Cover - Flame Red

$1999.99

Truxedo

Part # 248901

Confirmed Fit

Truxedo 09-18 Ram 1500 & 19-20 Ram 1500 Classic 8ft TruXport Bed Cover

$359.99

Tonno Pro

Part # LR-2015

Confirmed Fit

Tonno Pro 09-19 Dodge RAM 1500 6.4ft Fleetside Lo-Roll Tonneau Cover

$323.46

Roll-N-Lock

Part # LG448M

Confirmed Fit

Roll-N-Lock 2009 Dodge Ram 1500 SB 76in M-Series Retractable Tonneau Cover

$1699.99

Undercover

Part # UC3078L-PX8

Confirmed Fit

UnderCover 09-18 Ram 1500 (19 Classic) 6.4ft Elite LX Bed Cover - Black

$1999.99

Undercover

Part # UC3076L-PX8

Confirmed Fit

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 Ram 2500/3500 6.4ft Lux Bed Cover - Black

$1899.99

Westin

Part # 19-24325

Confirmed Fit

Westin 02-18 Dodge RAM 1500 / 03-22 2500/3500 6ft. 4in. Bed Soft Tri-Fold Tonneau Cover - Black

$351.99

Undercover

Part # UX32004

Confirmed Fit

UnderCover 03-20 Dodge Ram 1500/2500 (w/o Rambox) 6.4ft Ultra Flex Bed Cover - Matte Black Finish

$1199.99

Tonno Pro

Part # 42-200

Confirmed Fit

Tonno Pro 02-19 Dodge RAM 1500 6.4ft Fleetside Tonno Fold Tri-Fold Tonneau Cover

$310.57

Undercover

Part # UC3078L-PXR

Confirmed Fit

UnderCover 09-18 Ram 1500 (19 Classic) 6.4ft Elite LX Bed Cover - Brilliant Black

$1999.99

Roll-N-Lock

Part # LG456M

Confirmed Fit

Roll-N-Lock 12-17 Dodge Ram RamBox SB 76in M-Series Retractable Tonneau Cover

$1799.99

Frequently Asked Questions

Do these parts fit my 2021 Ram 3500 Limited Longhorn?

This page groups parts listed for the 2021 Ram 3500 Limited Longhorn. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What tonneau covers options are available for my 2021 Ram 3500 Limited Longhorn?

We offer a wide selection of tonneau covers parts for the 2021 Ram 3500 Limited Longhorn. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2021 Ram 3500 Limited Longhorn?

We carry parts from trusted brands including Undercover, Roll-N-Lock, Westin, Tonno Pro, and Truxedo, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2021 Ram 3500 Limited Longhorn parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2021 Ram 3500 Limited Longhorn parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2021 Ram 3500(2,571 parts)

2021 Ram 3500(2,571 parts)

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Limited Longhorn · Tonneau Covers (36 products)

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 2500/3500 6.4ft Lux Bed Cover - Bright Silver

UnderCover 11-17 Ram 1500 / 10-20 Ram 2500/3500 6.4ft Elite LX Bed Cover - Deep Cherry Red

UnderCover 14-18 Ram 1500 6.4ft Elite LX Bed Cover - Blue Streak

Roll-N-Lock 2009 Dodge Ram 1500 LB 96in M-Series Retractable Tonneau Cover

UnderCover 12-18 Ram 1500-3500 HD 6.4ft Lux Bed Cover - Maximum Steel

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 Ram 2500/3500 6.4ft SE Bed Cover - Black Textured

UnderCover 12-18 Ram 1500 / 10-20 Ram 2500/3500 6.4ft Elite LX Bed Cover - Maximum Steel

UnderCover 09-15 Ram 1500 / 10-15 Ram 2500/3500 6.4ft Elite LX Bed Cover - Mineral Grey

EGR 15-19 Ram 2500 Classic 6.4ft Bed (w/o RAMBOX) RollTrac Electric Tonneau Cover

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 Ram 2500/3500 6.4ft Elite LX Bed Cover - Flame Red

Truxedo 09-18 Ram 1500 & 19-20 Ram 1500 Classic 8ft TruXport Bed Cover

Tonno Pro 09-19 Dodge RAM 1500 6.4ft Fleetside Lo-Roll Tonneau Cover

Roll-N-Lock 2009 Dodge Ram 1500 SB 76in M-Series Retractable Tonneau Cover

UnderCover 09-18 Ram 1500 (19 Classic) 6.4ft Elite LX Bed Cover - Black

UnderCover 09-18 Ram 1500 (19-20 Classic) / 10-20 Ram 2500/3500 6.4ft Lux Bed Cover - Black

Westin 02-18 Dodge RAM 1500 / 03-22 2500/3500 6ft. 4in. Bed Soft Tri-Fold Tonneau Cover - Black

UnderCover 03-20 Dodge Ram 1500/2500 (w/o Rambox) 6.4ft Ultra Flex Bed Cover - Matte Black Finish

Tonno Pro 02-19 Dodge RAM 1500 6.4ft Fleetside Tonno Fold Tri-Fold Tonneau Cover

UnderCover 09-18 Ram 1500 (19 Classic) 6.4ft Elite LX Bed Cover - Brilliant Black

Roll-N-Lock 12-17 Dodge Ram RamBox SB 76in M-Series Retractable Tonneau Cover

Frequently Asked Questions

Do these parts fit my 2021 Ram 3500 Limited Longhorn?

What tonneau covers options are available for my 2021 Ram 3500 Limited Longhorn?

What brands make parts for the 2021 Ram 3500 Limited Longhorn?

How fast do 2021 Ram 3500 Limited Longhorn parts ship?

What warranty do your 2021 Ram 3500 Limited Longhorn parts come with?