Dura Lube Upper Cylinder Lubricant & Fuel Injector Cleaner (UCL) - 5.25 oz

$5.99 $4.99

SKU: HL-44001-06
DuraLube Upper Cylinder Lubricant & Fuel Injector Cleaner (UCL) immediately cleans your fuel injectors and adds lost lubrication to upper cylinder walls.
  • Cleans and lubricates the upper cylinder walls for more efficient operation.
  • Removes harmful deposits that rob your injector of power and performance.
  • Cleans and lubricates carburetors, injectors and valve seats
  • Reduces loss of fuel economy, loss of power, hesitations, pinging and dieseling
  • Reduces Carbon build-up
  • Helps smooth idling


Works in Gas, Diesel and Flex Fuel vehicles.


Directions: One bottle treats up to 25 gallons of fuel.

Add full bottle contents (5.25 ounces) into the fuel tank. Use every fill-up for maximum benefits.

UPC: 715981440010

Proposition 65 Warning for California Consumers

⚠️ WARNING: This product can expose you to chemicals including Cumene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

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