# TMC 78-911303 Rear Shock Absorber for 2011-2023 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD and Select Vehicles ### Performance Overview TMC offers premium suspension shock absorber at reasonable pricing and have been the reference accross North America for over 40 years.This shock Absorber is listed for 2011-2023 Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD, Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD. Please review the fitment chart before ordering. ### Key Features - Designed as a direct replacement shock Absorber for compatible vehicle applications - Built for dependable daily driving performance and consistent fitment - Application-specific design helps support proper installation and function ### Package include: - 1x Rear Shock Absorber ### Vehicle Fitment **Fitment Summary:** 2011-2023 Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD, Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD **Position:** Rear - 2020-2023 Chevrolet Silverado 3500 HD — Position: Rear; Fitment Precision: Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup - 2020-2023 GMC Sierra 3500 HD — Position: Rear; Fitment Precision: Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup - 2019 Chevrolet Silverado 3500 HD — Position: Rear; Fitment Precision: Crew Cab Pickup - 2019 GMC Sierra 3500 HD — Position: Rear; Fitment Precision: Crew Cab Pickup - 2015-2018 Chevrolet Silverado 3500 HD — Position: Rear; Fitment Precision: Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup - 2015-2018 GMC Sierra 3500 HD — Position: Rear; Fitment Precision: Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup - 2014 Chevrolet Silverado 3500 HD — Position: Rear; Fitment Precision: Standard Cab Pickup/Crew Cab Pickup - 2014 GMC Sierra 3500 HD — Position: Rear; Fitment Precision: Crew Cab Pickup/Standard Cab Pickup - 2011-2023 Chevrolet Silverado 2500 HD — Position: Rear - 2011-2013 Chevrolet Silverado 3500 HD — Position: Rear; Fitment Precision: Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, fitment precision, and any notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 78-911303. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - shock Absorber for Chevrolet Silverado 3500 HD - 2011-2023 Chevrolet Silverado 3500 HD shock Absorber - 78-911303 fitment - TMC shock Absorber - Rear shock Absorber - shock Absorber for GMC Sierra 3500 HD ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2020 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2021 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2022 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2023 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2020 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2021 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2022 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2023 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2019 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup 2019 GMC Sierra 3500 HD Rear Crew Cab Pickup 2015 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2016 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2017 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2018 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2015 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2016 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2017 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2018 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2014 Chevrolet Silverado 3500 HD Rear Standard Cab Pickup/Crew Cab Pickup 2014 GMC Sierra 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup 2011 Chevrolet Silverado 2500 HD Rear 2012 Chevrolet Silverado 2500 HD Rear 2013 Chevrolet Silverado 2500 HD Rear 2014 Chevrolet Silverado 2500 HD Rear 2015 Chevrolet Silverado 2500 HD Rear 2016 Chevrolet Silverado 2500 HD Rear 2017 Chevrolet Silverado 2500 HD Rear 2018 Chevrolet Silverado 2500 HD Rear 2019 Chevrolet Silverado 2500 HD Rear 2020 Chevrolet Silverado 2500 HD Rear 2021 Chevrolet Silverado 2500 HD Rear 2022 Chevrolet Silverado 2500 HD Rear 2023 Chevrolet Silverado 2500 HD Rear 2011 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2012 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2013 Chevrolet Silverado 3500 HD Rear Crew Cab Pickup/Standard Cab Pickup/Extended Cab Pickup 2011 GMC Sierra 2500 HD Rear 2012 GMC Sierra 2500 HD Rear 2013 GMC Sierra 2500 HD Rear 2014 GMC Sierra 2500 HD Rear 2015 GMC Sierra 2500 HD Rear 2016 GMC Sierra 2500 HD Rear 2017 GMC Sierra 2500 HD Rear 2018 GMC Sierra 2500 HD Rear 2019 GMC Sierra 2500 HD Rear 2020 GMC Sierra 2500 HD Rear 2021 GMC Sierra 2500 HD Rear 2022 GMC Sierra 2500 HD Rear 2023 GMC Sierra 2500 HD Rear 2011 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2012 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup 2013 GMC Sierra 3500 HD Rear Extended Cab Pickup/Crew Cab Pickup/Standard Cab Pickup ## Details - **Price:** 64.15 CAD - **Vendor:** TMC - **Type:** Shock Absorber - **Tags:** 2011 Chevrolet Silverado 2500 HD, 2011 Chevrolet Silverado 3500 HD, 2011 GMC Sierra 2500 HD, 2011 GMC Sierra 3500 HD, 2011-2013 Chevrolet Silverado 3500 HD, 2011-2013 GMC Sierra 3500 HD, 2011-2023 Chevrolet, 2011-2023 Chevrolet Silverado 2500 HD, 2011-2023 GMC Sierra 2500 HD, 2012 Chevrolet Silverado 2500 HD, 2012 Chevrolet Silverado 3500 HD, 2012 GMC Sierra 2500 HD, 2012 GMC Sierra 3500 HD, 2013 Chevrolet Silverado 2500 HD, 2013 Chevrolet Silverado 3500 HD, 2013 GMC Sierra 2500 HD, 2013 GMC Sierra 3500 HD, 2014 Chevrolet Silverado 2500 HD, 2014 Chevrolet Silverado 3500 HD, 2014 GMC Sierra 2500 HD, 2014 GMC Sierra 3500 HD, 2015 Chevrolet Silverado 2500 HD, 2015 Chevrolet Silverado 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 3500 HD, 2015-2018 Chevrolet Silverado 3500 HD, 2015-2018 GMC Sierra 3500 HD, 2016 Chevrolet Silverado 2500 HD, 2016 Chevrolet Silverado 3500 HD, 2016 GMC Sierra 2500 HD, 2016 GMC Sierra 3500 HD, 2017 Chevrolet Silverado 2500 HD, 2017 Chevrolet Silverado 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 3500 HD, 2018 Chevrolet Silverado 2500 HD, 2018 Chevrolet Silverado 3500 HD, 2018 GMC Sierra 2500 HD, 2018 GMC Sierra 3500 HD, 2019 Chevrolet Silverado 2500 HD, 2019 Chevrolet Silverado 3500 HD, 2019 GMC Sierra 2500 HD, 2019 GMC Sierra 3500 HD, 2020 Chevrolet Silverado 2500 HD, 2020 Chevrolet Silverado 3500 HD, 2020 GMC Sierra 2500 HD, 2020 GMC Sierra 3500 HD, 2020-2023 Chevrolet Silverado 3500 HD, 2020-2023 GMC Sierra 3500 HD, 2020-2023-chevrolet-silverado-3500-hd-shock-absorber-rear-crew-cab-pickup-standard-cab-pickup-extended-cab-pickup-esi6401385, 2021 Chevrolet Silverado 2500 HD, 2021 Chevrolet Silverado 3500 HD, 2021 GMC Sierra 2500 HD, 2021 GMC Sierra 3500 HD, 2022 Chevrolet Silverado 2500 HD, 2022 Chevrolet Silverado 3500 HD, 2022 GMC Sierra 2500 HD, 2022 GMC Sierra 3500 HD, 2023 Chevrolet Silverado 2500 HD, 2023 Chevrolet Silverado 3500 HD, 2023 GMC Sierra 2500 HD, 2023 GMC Sierra 3500 HD, 251280, 342846, 3450008, 34811, 349147, 554389, 78-911303, 911303, Absorber, AI Readable Fitment, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, G64121, GMC select vehicles, GMC select vehicles Shock Absorber, GMC Sierra 2500 HD, GMC Sierra 3500 HD, Rear, Rear Shock Absorber for 2011 Chevrolet Silverado 2500 HD, replacement 78-911303 Shock Absorber, replacement auto part, SEE, Shock Absorber, Shock Absorber fitment, Shock Absorber for Chevrolet, Shocks, TMC, TMC 78-911303 Shock Absorber, TMC Shock Absorber, vehicle fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 64.15 CAD | In stock | ## Images - TMC_Shock Absorber_78-911303 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/rear-shock-absorber-for-gmc-chevrolet-sierra-2500-hd-silverado-3500-78-911303) > Updated: 2026-07-17