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USD 10.83
Part #: RP11756

Royal Purple 11756 Max-Tane Fuel System Cleaner & Cetane Booster

For All Diesel Engines, 10 Oz. Bottle (Treats 50 Gallons)
Part #: RP11756
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The Royal Purple 11756 Max-Tane Fuel System Cleaner & Cetane Booster is a complete fuel system cleaner and cetane booster designed specifically for your diesel engine. Diesels are valued for fuel efficiency and longevity. Extend the miles you can drive and years of service on your engine with Royal Purples Max-Tane fuel injector cleaner and stabilizer.

Max-Tane is for year-round use in all types of light, medium and heavy duty diesel engines, and is compatible with any type or grade of diesel fuel, including #1 diesel and #2 diesel, biodiesel and ultra-low-sulfur diesel (ULSD). Specifically formulated to solve problems that come with todays new HPCR (High Pressure Common Rail) diesel injection systems, this premium fuel system cleaner prevents gelling, improves fuel economy, lubricates and cleans the fuel system.

  • Reduces Smoke & Odor
  • Increases Cetane Number By 8*
  • Increases Fuel Economy Up To 10%
  • Improves Cold Flow By Preventing Gelling
  • Provides Lubricity To Entire Fuel System
  • Improves Engine Startup & Reliability In Both Warm & Cold Temps
  • Cleans Deposits From Fuel Injectors, Combustion Chambers, Intake Valves Deposits & Piston Crowns
Dosage Information:
20 ounces - 100 gallons
15 ounces - 75 gallons
10 ounces - 50 gallons
5 ounces - 25 gallons

The minimum recommended Max-Tane treat rate is one (1) ounce per five (5) gallons of diesel fuel. High performance applications can safely use one (1) ounce per two (2) gallons of diesel fuel for maximum benefit. If uncertain of exact tank size, round up. Replace cap after bottle has been emptied and dispose of properly.

Application Notes:
Max-Tane is safe to use with all types of diesel exhaust emission systems equipment, including diesel particulate filters (DPFs) and catalytic converters. However, do not pour Max-Tane directly into Diesel Exhaust Fluid.


  • MFG. Number 11756
  • Manufacturer Name Royal Purple, Ltd.
  • Shipping Weight 1.00 lb.
  • Shipping Length 10 in.
  • Shipping Width 10 in.
  • Shipping Height 4 in.
  • UPC 641330117565
  • Warranty Yes
  • Warranty Info 1 Year / 1 Oil
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.