# Rhino-Rack 15-18 Chevrolet Silverado HD Double Cab 2 Base Backbone Mounting System The Rhino-Rack Backbone is a mounting system for your Chevrolet Silverado. Connecting to your vehicle's roof via 2 bases on each side, it allows for a Rhino-Rack Pioneer System to be fitted on top. This Part Fits: Year Make Model Submodel 2016-2019 Chevrolet Silverado 1500 Custom 2019 Chevrolet Silverado 1500 Custom Trail Boss 2014-2019 Chevrolet Silverado 1500 High Country 2015-2018 Chevrolet Silverado 1500 LS 2014-2019 Chevrolet Silverado 1500 LT 2019 Chevrolet Silverado 1500 LT Trail Boss 2014-2019 Chevrolet Silverado 1500 LTZ 2019 Chevrolet Silverado 1500 RST 2015-2019 Chevrolet Silverado 1500 SSV 2014-2019 Chevrolet Silverado 1500 WT 2020-2021 Chevrolet Silverado 2500 HD Custom 2015-2021 Chevrolet Silverado 2500 HD LT 2015-2018,2020-2021 Chevrolet Silverado 2500 HD LTZ 2015-2021 Chevrolet Silverado 2500 HD WT 2015-2018,2020-2021 Chevrolet Silverado 3500 HD LT 2015-2018 Chevrolet Silverado 3500 HD LTZ 2015-2018,2020-2021 Chevrolet Silverado 3500 HD WT 2019 GMC Sierra 1500 AT4 2014-2019 GMC Sierra 1500 Base 2014-2019 GMC Sierra 1500 Denali 2019 GMC Sierra 1500 Elevation 2014-2019 GMC Sierra 1500 SLE 2014-2019 GMC Sierra 1500 SLT 2015-2019 GMC Sierra 2500 HD Base 2015-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD SLE 2015-2019 GMC Sierra 2500 HD SLT 2015-2019 GMC Sierra 3500 HD Base 2015-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD SLE 2015-2019 GMC Sierra 3500 HD SLT ## Details - **Price:** 974.03 CAD - **Vendor:** Rhino-Rack - **Type:** Roof Rack ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 974.03 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Photo - Primary --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/rhino-rack-15-18-chevrolet-silverado-hd-double-cab-2-base-backbone-mounting-system) > Updated: 2026-07-07