• 301 Cold Iron Rd Gallatin Gateway, MT 59730

Now servicing any type of vehicle — gas or diesel.

Big Sky Montana

Platinum Diesel and Automotive provides a range of automotive repair services for gas and diesel vehicles. Our technicians have years of experience and offer honest advice on your vehicle repairs and maintenance.

We will help you get back on the road quickly and safely.


  • – Oil changes
  • – Transmission Flush
  • – Coolant Flush
  • – Code scan
  • – Brakes and rotors
  • – Engine repair
  • – Transmission and Transfer Case Repair
  • – Universal Joints and CV Joints
  • – Steering component repair
  • – Suspension repair and enhancement
  • – Lighting
  • – Performance Upgrade
Contact Us

Get Appointment

301 Cold Iron Rd Gallatin Gateway, MT 59730
(406) 995-4422

KBZ Duramax Build

Recent LBZ Duramax (x2) build with WC Fab piping kit, WC Fab coolant tank, stealth 64 VGT turbo, heavier push rods, new engine bay wiring harness, PPEI Tuning with EFI live, amsoil dual bypass oil filter set up, caterpillar fuel filter adapter, FASS fuel systems -150- , mishimoto radiator, innercooler, and transmission cooler, mean green gear reduction starter, borgeson steering shaft, upgraded power steering lines, and upgraded transmission cooler lines.