Express Auto & Custom 4x4

22585 Harlan Lane
Saint Robert, MO 65584

Phone: 573-336-7900


Reliable Engine Service

Your search for reliable Saint Robert engine service, transmission service and tire mounting now ends at Express Auto & Custom 4x4 in Saint Robert, MO. We handle everything from electrical work and advanced diagnostics to oil change and tune ups. Our company offers high-quality automobile products from more than 100 manufacturers. We test our products in the real world by abusing our vehicles off road! All our services and products are backed by guarantees and warranties.

We Specialize In the Following Services:

  • Advanced Diagnostics for Electrical, Engine, Transmission or Drivetrain Issues
  • All Differential Work Including Ring and Pinions or Locker Installation
  • Big Brake Conversion Upgrades Including Any Type of Brake Work
  • Bumper, Tire Carrier, Winch, Rock Slider, Skid Plate, and Body Armor Installation
  • Complete Auto Repair
  • Custom Fabrication
  • Custom In-House Fabrication of Bumpers, Sliders, Roll Cages and More
  • Custom Suspension/Driveline Wheels
  • Electrical Work from Complete Wiring Harness Installation to Lighting or Radios
  • Engine Conversions and Replacements Including Hemi or LS Engine Swaps
  • Installation of Crate Axle Assemblies
  • Oil Changes, Tune-Ups and General Parts Replacement
  • On-Board Air Systems, Snorkels, Exhaust and Cooling System Work
  • Suspension Installations Including Long-Arm and Air Suspension Systems
  • Tire Mounting and Balancing Up To a 40” Tire, Including Bead Locks
  • Transmission Conversions, Replacement and Rebuilding
  • Wheels and Tires

We Offer the Following Products:

  • Pit Bull Tires
  • Rough Country Lifts
  • Smittybilt Products
  • Yukon Gears

We Offer the Following Accessories for Truck and Off-Road:

  • 4 Wheel Drive Suspension
  • Lift Kits
  • Wheels

Stop By

We offer only high-quality products and services. We are experts in all kinds of vehicle customization. Stop by today to know how we can transform your vehicle and make your drive exciting!


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Custom Motor

Jeep Lift

Express Auto & Custom 4x4“No Job Too Big or Too Small. You Name, We Can Do It”Call for Details 573-336-7900