K2 Industries
2011-2019 GMC Sierra Silverado 2500HD 3500HD Front Upper Control Arms
Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.
Eligible returns within 30 days of receipt. Items must be unused, with tags and original packaging. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.
Front Upper Control Arms — 2011–2019 GMC Sierra & Silverado 2500HD / 3500HD
Heavy-duty upper control arms engineered for the 2500HD and 3500HD chassis. Built to handle the demands of full-size truck suspension geometry, these control arms restore proper wheel alignment and suspension response after wear or damage. Direct replacement for factory geometry.
Key Features
- OEM geometry match - Maintains stock suspension angles and handling characteristics without modification.
- Heavy-duty construction - Sized and reinforced for 2500HD / 3500HD load capacity and towing demands.
- Direct bolt-on design - Mounts at factory suspension points without drilling or frame modification.
Specs
- Application: Front upper control arm assembly
- Configuration: Pair (driver and passenger side)
- Condition: New
What's Included
- Upper control arm assemblies (qty: 2)
Frequently Asked Questions
Do these mount at the factory suspension points?
Yes, these mount at factory upper control arm locations — no drilling or frame reinforcement needed. Standard bolt-on replacement at OEM pickup points.
What hardware comes with these?
The assemblies ship as units. Fasteners to mount them to the frame and ball joint connections are not included — use your OEM hardware or grab new hardware kits separately if needed.
Will I need an alignment after installation?
A full front-end alignment is strongly recommended after any upper control arm replacement to restore suspension geometry and tire wear patterns to spec.
Your vehicle
Select a vehicle to check the supplied application records for this part.
Choose or change vehicle →Product reference & ordering help
Supplier & part identification
K2 Industries
| Option | SKU / part reference |
|---|---|
| Standard | K2-4379-CHV-006-SUS |
Vehicle compatibility
Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.
Request fitment help →Installation & specifications
Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.
Shipping expectations
Processing and delivery vary by product, supplier and destination. Contact us to confirm timing for your part before planning an installation.
Shipping & delivery informationManufacturer warranty
Coverage and exclusions vary by manufacturer and part. Review the supplied product documentation or ask us for the applicable terms.
Warranty information