Description
Superlift 3517-1 is the rear component box associated with selected 6.5-inch suspension lift packages for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The exact part number matters because lift assemblies use different boxes for front and rear positions.
Authorized fitment documentation lists model-specific 2007-2018 Silverado and Sierra 1500 two- and four-wheel-drive applications. This is a rear subsystem box, not an entire suspension lift kit; verify the existing kit configuration and the required replacement box before ordering.
Specifications and application details
- Exact Superlift rear-box identifier: 3517-1
- Associated with selected 6.5-inch GM 1500 lift systems
- Chevrolet Silverado 1500 / GMC Sierra 1500 applications, 2007-2018 where listed
- Rear lift-system components only; no complete lift system
- Match your original Superlift assembly and drivetrain/trim restrictions
- Manufacturer limited lifetime warranty; terms and exclusions apply
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