Best Automotive Replacement Shock Cushions & Mounts (2026 Guide)
Selections were based on aggregated star ratings, review volume, construction type, and relevance to Silverado/Sierra fitment and common lift/lowering scenarios
This roundup covers replacement shock cushions, mounts, extenders and related mounting hardware for trucks and light-duty vehicles, focusing on compatibility with Silverado/Sierra platforms and common lift or lowering setups. Picks were chosen based on aggregated customer ratings, review volume, construction type (weld-on vs bolt-on), and relevance to popular model years and lift heights
Top Picks
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1
KSP Rear Shock Extender for 1999-2024 Silverado/Sierra
Rear shock extender brackets for 1999-2024 Silverado/Sierra 1500. CNC machined steel, black powder coated for rust resistance. Easy installation without cutting or welding and compatible with original shocks
- compatible with 1999-2024 Silverado/Sierra
- does not require cutting or welding
- rust-resistant finish and durable build
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2
KSP adjustable shock extenders for Silverado/Sierra 1988-1998
Universal 3-5 inch rear lowering shock extenders with 2 brackets and 6 bolts. Designed to optimize suspension geometry and reduce overextension. Customers note easy installation and good fit, with mixed feedback on hardware length
- direct bolt-on installation
- raises shock angle for stability
- pack includes brackets and bolts
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3
Shock extenders for Silverado/Sierra 1500 (4"-6") mounting kit
Shock extension kit for 1999-2006 Chevy Silverado 1500 and GMC Sierra 1500. Enhances mounting height for rear shocks with stamped steel, electrostatically coated and powder coated for durability. One customer notes easy installation and good fit
- heavy-duty steel construction
- corrosion-resistant coating
- universal 1999-2006 fit
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4
Weld on Tabs 1/2in Hole – Weld On Shock Mount Tabs (20 pcs)
Weld on shock mount tabs with 1/2" hole for secure mounting. FEA-optimized edge thickness enhances tear-out resistance and reduces warpage. Premium acid-washed steel base with stress-relief annealing improves stiffness
- 1/2" hole weld tabs
- anti-sway design for center hole
- pre-treated with acid cleaning and stress relief
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5
Rear Spare Tire Support Plate for Silverado/Sierra Crossmember
Rear spare tire support crossmember for 1999-2014 Chevy Silverado and GMC Sierra 1500. Heavy-duty steel with galvanized finish for corrosion resistance; easy installation without bed removal. Customers note solid build and good fit
- heavy-duty material
- galvanized surface
- easy installation without bed removal
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6
Mountainpeak 3pc Rear Crossmembers for Silverado/Sierra 1500
Three crossmembers replace damaged rear fuel tank support, rear upper shock mount, and rear spare tire support frame on 2007-2014 Chevy Silverado 1500 / GMC Sierra 1500. Includes easy installation and no bed removal, with a solid weld connection
- 3-piece crossmember kit
- Direct fit for Silverado/Sierra 1500
- Includes multiple rear mount components
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7
Rear Fuel Tank Support Crossmember & Rear Upper Shock Mount
Crossmembers fit for 2007-2014 Chevy Silverado and GMC Sierra 1500. includes mounting bracket; easy to install with no modifications required. customers note quality fit and ease of installation
- two-piece crossmembers
- no modifications needed
- direct replacement for OE crossmember