Air Brakes Made Easy

Pre-assembled and packaged 'Drop In' air brake systems for Original Equipment Manufacturers (OEM). Generic and custom engineered systems to fit most trailers and dollys. Systems for use in the domestic U.S. and international markets.
  Quality Parts From All Major Brake Part Suppliers
  Anti-Lock And Conventional Systems
  Single, Multiple, Or Lift Axle
  Designs To Accomodate Accessories
  Mix And Match Systems Or Single Vendor Systems
  Special Function Or Operation
  Off Road And Retrofit Systems


Each system (where applicable) contains pretty much everything you need for the air and anti-lock portions of a brake system minus the tubing. The parts are pre-assembled and/or pre-packaged for quick installation.

  Air Reservoirs, Mounting Hardware, And Isolator Pads
  Service And Emergency Brake Valves Mounted On Tanks
  Anti-Lock Brake Componentry Installed, Configured And Tested
  Gladhand Assemblies
  Jumper Hose Assemblies
  Brake Hoses Assemblies
  Hostler, Auxiliary, Or Booster Valves As Needed
  Actuation Valves And Subsassemblies




Keeping current with the latest in air brake technology and regulations keeps our systems up to date and in compliance. A pre-packaged brake system offers a myriad of benefits.

  Pre-Engineered Saves Your Engineering Time
  Pre-Assembled Saves Your Assembly Time
  Simplifies Inventory Management
  System Changes And Special Orders Are Fast And Easy
  Pre-Testing Lowers Assembly Line Rejection
  Unit Pack Saves You Installation Time
  Wire Harnesses Available With Simple Direct Connect Power System
  Lessen Chances Of Improperly Installed Brake System
  Provides For Smooth Interface For Anti-Lock Brake Power
  Complete System Layout Drawing
  Pre-Release System Timing Tests Available
  One Trailer... One Package... One Part Number






What Do We Need To Build A Brake System?
We will need to know the specifics of your vehicle such as the length, axles, special requirements, usage special needs, preferences and intended usage (standard over the road, off-road, agricultural, etc.).  
You may contact us over the telephone, via fax, or e-mail. You can find this information at the bottom of this page.


4919 Windplay Drive, Suite 7
El Dorado Hills, CA 95762
main@preproassembly.com Ph. (916) 358-5870
Fx. (916) 358-5871

Looking for electric and electro-hydraulic brake systems? Visit www.ElectronicBrakeSystems.com.