STP Ultra Diesel 5 in 1, 12 Ounce

$2.50 2.50


  • clean the fuel system to restore lost power. smooth rough-running and improve fuel economy
  • helps keep fuel filter from plugging with wax and prevents fuel gelling
  • boost cetane to help improve combustion
  • improves lubricity to help prevent fuel pump wear
  • inhibits rust and corrosion in the fuel system

Helps prevent fuel getting down to -35 Degrees Celsius.

Orders are processed within 1 business day.
Standard delivery ships in 1-5 business days.
All orders over $49 ship free.
There is a $4.99 flat rate shipping fee for orders weighing under 13 ounces and a $7.99 flat rate shipping fee for all orders weighing more than 13 ounces.