{
"lazyNodes": false,
"abFitnotesFlag": false,
"abCrawlReviews": false,
"productOptionsCookie": false,
"orderDelayFlag": false,
"skipSessionCookie": false,
"covidMessage": false,
"fullTitleCookie": false,
"nrLoggerCookie": false,
"checkoutReviewCookie": false,
"productOptionSeqCookie": false,
"maintenanceFlag": false,
"bufferETACookie": false,
"multiShippingDiscountFlag": false,
"newFitmentFlag": false,
"surveyOptInFlag": false,
"crossSellFlag": false,
"skuMappingFlag": false,
"paySplitCookie": false,
"callDisableFlag": false,
"zipPaymentFlag": "u",
"hassleFreeReturn": false,
"lifetimeReplacement": false,
"cpn_off": false
}2018 GMC Sierra 1500 Bed Extenders
Shop Catalog
- 2018 GMC Sierra 1500 Base All Engines Fleetside
- 2018 GMC Sierra 1500 SLT All Engines Fleetside
- 2018 GMC Sierra 1500 Denali All Engines Fleetside
- 2018 GMC Sierra 1500 SLE All Engines Fleetside
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- 2018 GMC Sierra 1500 Base All Engines Fleetside
- 2018 GMC Sierra 1500 SLT All Engines Fleetside
- 2018 GMC Sierra 1500 Denali All Engines Fleetside
- 2018 GMC Sierra 1500 SLE All Engines Fleetside
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- 2018 GMC Sierra 1500 Base All Engines Fleetside
- 2018 GMC Sierra 1500 SLT All Engines Fleetside
- 2018 GMC Sierra 1500 Denali All Engines Fleetside
- 2018 GMC Sierra 1500 SLE All Engines Fleetside
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- 2018 GMC Sierra 1500 Base All Engines Fleetside
- 2018 GMC Sierra 1500 SLT All Engines Fleetside
- 2018 GMC Sierra 1500 Denali All Engines Fleetside
- 2018 GMC Sierra 1500 SLE All Engines Fleetside
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Popular Products
AMP RESEARCH BEDXTENDER HD MAX BED EXTENDER
AMP Research’s BedXTender HD Max offers truck owners up to an additional 2 feet of cargo space for big things like motorcycles, lumber, contractor tools, sporting equipment and the like – as well as the abilit...
CURT TRUCK BED EXTENDER WITH FOLD-DOWN TAILGATE
Make full use of your truck bed, maximize cargo storage space and promote enhanced security with Curt truck bed extender. It extends 6-1/2 ft. beds to 8-1/2 ft. and 8 ft. beds to over 10 ft. It fits most full-size truck bed...
