2011-2019 GMC Sierra Silverado 2500HD 3500HD Front Upper Control Arms
Specifications Part numbers, fitment codes and shipping
- Brand
- K2 Industries
- Speedzone SKU
- K2-4379-CHV-006-SUS
- Manufacturer part number
- K2-4379-CHV-006-SUS
- UPC
- FUCA-CS11-2535-BB
- Category
- Suspension
- Shipping weight
- 2.0 lb
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.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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Answers to common questions are on our FAQ page.
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