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UnderCover 19-20 GMC Sierra 1500 (w/ MultiPro TG) 6.5ft Elite LX Bed Cover - Smokey Quartz Metallic

SKU: UNDUC1218L-GS6

Tonneau Cover

UND Elite LX Bed Covers...

UnderCover 19-20 GMC Sierra 1500 (w/ MultiPro TG) 6.5ft Elite LX Bed Cover - Smokey Quartz Metallic

SKU: UNDUC1218L-GS6

Tonneau Cover

UND Elite LX Bed Covers...

A$4,987.41
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

UnderCover 19-20 GMC Sierra 1500 (w/ MultiPro TG) 6.5ft Elite LX Bed Cover - Smokey Quartz Metallic

The Elite LX is the newest cover from UnderCover. It comes standard with all the features from the UnderCover Elite. Weve added a premium carpet lined underside, topped with flawless paint to match to make the LX the sharpest tonneau on the market. Engineered to provide a precise fit and finish to your truck bed.

Additional Information

UnderCover Elite LX 2019 (New Body Style)-2023 GMC Sierra 1500 6ft. 7in. Bed Std/Ext/Crew with MultiPro Tailgate without CarbonPro Truck Bed-GS6(WA634D)-Smokey Quartz Metallic

Part Type

Tonneau Cover

Additional Application Notes
• Without CarbonPro Bed~With Multi-Pro Tailgate Smokey Quartz Metallic; Paint Code GS6/WA634D; w/MultiPro Tailgate; Will Not Fit CarbonPro Truck Bed
• MultiPro Tailgate: With MultiPro Tailgate CarbonPro Bed: Without CarbonPro Bed
• New Body Style MultiPro Tailgate: With MultiPro Tailgate CarbonPro Bed: Without CarbonPro Bed
• Smokey Quartz Metallic; Paint Code GS6/WA634D; w/MultiPro Tailgate; Will Not Fit CarbonPro Truck Bed
• With Multi-Pro Tailgate Smokey Quartz Metallic; Paint Code GS6/WA634D; w/MultiPro Tailgate; Will Not Fit CarbonPro Truck Bed

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-08 13:21:01

Features

  • Custom Engineered For A Precise Fit
  • Full Perimeter Seal
  • Lightweight / ABS - Composite Construction
  • Lightweight; ABS; Composite Construction
  • Premium Carpet Lined Underside
  • Removable LED Light
  • Removes Easily Using Quick Release Hardware

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Actual Color:Smokey Quartz Metallic
Color:Gray
Description:Elite LX 19 (New Body Style)-23 Sierra 1500 6ft.7in. w/MultiPro Tailgate-GS6
Finish:Painted
Front Opening:No
Full Bed Access:No
Install Time:15 Minutes
Key Lockable:Yes
Low Profile:No
Material:ABS
Paint Color:Smokey Quartz Metallic (Paint Code: GS6/WA634D)
Paintable:No
Part Number:undUC1218L-GS6
Rails To Install:No
Sits on Truck Rails :Yes
Style:Hard Non-Folding Cover
Title:UnderCover EX 19-23 Sier6'7-GS6 UC1218L-GS6
Works w/Toolbox:No

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 10:12:38

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Undercover, Undercover Inc (real Truck)
StreetFX SKU undUC1218L-GS6
SFX Item ID 4026047
Accounting SKU und-UC1218L-GS6
Manufacturer SKU UC1218L-GS6
Manufacturer UPC 192631026792
Alternative References UNCUC1218L-GS6

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