Skip to main content
QA1

  • Compare
  • Sign in
  • Find a dealer

  • Products
    • All Products
    • Shocks & Struts
      • All Shocks & Struts
      • Drag & Street
      • Circle Track
    • Suspension Kits & Systems
      • All Suspension Kits & Systems
      • Full Vehicle
      • Front
      • Rear
    • Suspension Components
      • All Suspension Components
      • 9" Rear End Housings and Axles
      • Universal Coilover Packages
      • Caster Camber Plates
      • Control Arms
      • Engine Mounts
      • Vehicle Crossmembers
      • Panhard Bars
      • Rear Trailing Arms
      • Spindles
      • Chassis Stiffening
      • Sway Bars
      • Accessories
    • DIY Suspension Parts
      • All DIY Suspension Parts
      • HD Pro Rear Drag 4-Link Systems
      • Pro Rear Parallel Four Link Systems
      • HD Pro Rear Triangulated 4-Link Systems
      • Weld-In Coilover Systems
      • Custom Mount Coilover Shocks
      • Universal Coilover Packages
      • Mustang II Coilover Shocks
      • Shock Mount Tabs and Coilover Brackets
      • Diagonal Links and Panhard Bars
      • 2 1/2" I.D. Coil Springs
      • X Series Rod Ends
      • Jam Nuts
      • Tube Adapters
      • Rod End Spacers
    • Springs
      • All Springs
      • Tapered Pro Coil
      • 2-1/2 Inch ID
      • 2-1/4 Inch ID
      • 1-7/8 Inch ID
    • Proforged Steering Kits
    • Brake Kits
      • All Brake Kits
      • Front Brake Kits
      • Rear Axle Brake Kits
      • Brake Accessories
    • Ball Joints
      • All Ball Joints
      • Assembled Ball Joints
      • Housings
      • Studs
      • Accessories & Tools
    • Rod Ends & Linkages
      • All Rod Ends & Linkages
      • Inch Rod Ends
      • Metric Rod Ends
      • Spherical Bearings
      • Linkages & Accessories
    • Merchandise
    • Carbon Fiber Driveshafts
      • All Carbon Fiber Driveshafts
      • Direct Fit
      • Circle Track
  • Vehicles
    • All Vehicles
    • GM
      • All GM
      • Car
      • Truck
    • Ford
      • All Ford
      • Car
      • Truck
    • Mopar
      • All Mopar
      • Car
      • Truck
  • OEM / Industrial
    • View All Solutions
    • Rod Ends & Bearings
    • Shock Absorbers
    • Suspension Systems
    • Industries Served
    • OEM/Industrial Resources
    • Contact OEM Experts
  • Markets
    • Trucks
    • Street Performance
    • Handling
    • Drag Racing
    • Big Wheel
    • Circle Track
  • Resources
    • Blog
    • Careers
    • Frequently Asked Questions
    • Spring Rate
    • Catalog Download
    • Dealers
    • Contact QA1
    • Newsletter
  • New Products
  • Sign in or Register

Custom OEM Suspensions and Motion Control Systems

Engineered Solutions for New Equipment & Vehicle Platforms

QA1 specializes in end-to-end design and manufacturing of custom suspension and controlled motion systems for OEMs.

Maufacturing solutions aligned specifcally around the requirements of OEMs.

Custom suspension system

Custom Suspension Systems Built to OEM Specs

From modular components to complete suspension systems, QA1 engineers solutions that meet your exact performance, durability, and cost targets—whether for low-volume specialty builds or high-volume OEM production.

Engineering process

Integrated Engineering, Prototyping, and Validation

Collaborate directly with our in-house engineering team for rapid development cycles. Our advanced prototyping and lab testing capabilities ensure your suspension system meets stringent strength, wear, and safety standards before production begins.

Suspension manufacturing technology

Flexible U.S. Manufacturing with Global Supply Chain Support

Our vertically integrated U.S. manufacturing facilities and global supplier network allow us to scale efficiently, meet aggressive timelines, and offer cost-effective pre-assembled components—streamlining your production process from day one.

Handshake

Your Strategic Partner in Motion Control

QA1 is more than a supplier; we’re your strategic partner for innovative suspension technologies. With a focus on quality, consistency, and long-term support, we help OEMs stay ahead in competitive markets.

Shock absorber infographic

Ever wonder how shock absorbers work?

Understanding the differences between monotube and twin tube shock absorbers is key to making informed decisions when designing suspension systems. 

 

This infographic helps break down the design, functionality, and performance characteristics of each type, highlighting their unique advantages and ideal applications to help you choose the best option for your equipment.

VIEW INFOGRAPHIC
Lawn mower, mobility scooter, agriculture equipment

Engineered for Suspension & Motion Control Excellence Across Industries


Discover how QA1’s advanced suspension and controlled motion solutions deliver superior quality, durability, and performance across industries—from agriculture and construction to medical, mobility, and off-road applications. Our precision-engineered systems provide the stability, responsiveness, and reliability OEMs need to optimize vehicle and equipment designs. 

EXPLORE INDUSTRIES

Need help with your next project?

Connect with our engineering experts.

Case Study

QA1's Cutting-Edge Suspension System Boosts Autonomous ATV’s Capabilities

View Case Study
Tech Resource

How Adjustable Shock Absorbers Assist in OEM Prototyping

Learn More
Tech Resource

Heavy Duty Validation For Heavy Duty OEM Applications

Learn More
Case Study

QA1’s Rapid Seat Suspension Development

View Case Study
!

Footer Start

QA1 Contact Us Customer Support Monday-Friday 9AM - 5PM CST Shipping & Receiving: Monday-Friday 7AM - 3:30PM CST Phone: 952-985-5675
ISO 9001:2015 Certification intertek Certified WBENC Women's Business Enterprise

Company

  • About QA1
  • Quality
  • Careers
  • Events
  • News
  • Contingency Programs
  • QA1 Logos

Customer Support

  • Frequently Asked Questions
  • Resources
  • Warranty Registration
  • Shipping & Returns

Dealers

  • Find a Dealer
  • Become a Dealer
  • Catalog Request & Download

Sign up for the latest QA1 news.

Get notified about new products, tech tips and more.

  • Privacy Policy
  • |
  • Terms and Conditions

© Copyright 2026 QA1. All Rights Reserved