Products Showing Parts for — {{ }}

No Results Showing Parts for — {{ }}
USD 3.99

Royal Purple 18000 Max-Atomizer Fuel Injector Cleaner

PART# 18000 | SKU RP18000

Vehicle Fitment:
For All Engines, 6 Oz. Bottle (Treats 20 Gallons)
Buy now, pay later using Affirm Logo during checkout.
Ground Delivery by ,
If you order within hr min
This product cannot be shipped to your destination
Not Shipping to ?
Need it faster?
Our Recommendations Compatible Products
Scroll to View More


A highly concentrated, high performance fuel injector cleaner, Royal Purple 18000 Max-Atomizer Fuel Injector Cleaner ensures your injectors are as clean as possible. Created for use with today's injector engines, Max-Atomizer can be used with any type of fuel injection. Max-Atomizer features highly concentrated polyether amine (PEA) detergents which cleans dirty and clogged injectors for maximum flow. 

Injectors cleaned by Max-Atomizer help to improve fuel economy, power, and performance. Other benefits of cleaning your injectors with Max-Atomizer include smoother idles as well as quicker and easier starts. Max-Atomizer is the only fuel injector cleaner that also stabilizes ethanol, which chemically breaks down to cause harmful effects to an engine. 

  • Stabilizes Ethanol
  • EPA / CARB Compliant
  • Restores Fuel Economy
  • Maximizes Horsepower
  • Improves Responsiveness
Application Notes:
Recommended for all Ethanol Blends
For Use in Both Diesel & Gasoline Engines
Will Not Harm Vehicle Emissions Equipment

Recommended Treat Rate:
Pour entire contents of bottle into nearly empty tank immediately before refueling, then install fuel on top of additive. Minimum recommended dose is one (1) 6oz. bottle to 20 gallons of fuel. The maximum effective dose is one (1) 6oz. bottle to 10 gallons of fuel.

Recommended Usage:
For best results, use at every fill-up. 
Minimum recommended usage is every 3,000 miles.


  • MPN 18000
  • SKU RP18000
  • GTIN 641330180002
  • ID 103747
  • Manufacturer Name Royal Purple, Ltd.
  • Shipping Weight 5.00 lb.
  • Shipping Length 8 in.
  • Shipping Width 8 in.
  • Shipping Height 6 in.
  • Fuel Type Diesel / Gas
  • Warranty Info Limited
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L40R0


No Reviews Yet!

Write a Review

Include Your Order Number For a Chance to Win a $100 Gift card

Overall Rating

Your Information

Email Address will not be made public.

Questions and Answers

No questions about this product. Be the first to ask a question!

Ask a question about this product

Please allow up to 1 business day for reply.

More to Consider

Recently Viewed


Complete the job with these highly suggested add-on products.

Product prices marked with an * may require additonal fees, such as a core charge, which will be displayed in the cart.


Save $20 on your order of $250 or more*! Use Code MDAY2024
Offer ends 5/28. *See website for brand and product exclusions. Retail customers only.