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For Over 82 Years, Radiator Specialty Company products help make things work better.                              
Fuel Treatments and Cleaners
M1616 Bearin
M1616
Bearin' Seal

- Stops engine leaks in front and rear main bearing, head gaskets, and timing chain covers.
M1815 Motor Medic Oil Treatment
M1815
Motor Medic Oil Treatment

- Reduces friction and wear.
- Keeps moving parts cleaner.
M2115 Engine Stop Leak
M2115
Engine Stop Leak

- Revitalizes oil seals and gaskets that have shrunk due to temperature or age.
- 100% petroleum product.
M2312 Gas Treatment
M2312
Gas Treatment

- Cleans entire fuel system
- Reduces intake valve deposits.
- Increases fuel economy.
- Removes water.
M2616 Engine Tune-Up
M2616
Engine Tune-Up

- Frees sticky valves and rings.
- Removes gum, varnish, and carbon from internal engine parts.
- Helps restore lost power, prevents stalling, carburetor icing, and pre-ignition.
M3115 Oil Treatment
M3115
Oil Treatment

- Premium protection for cars, light trucks, and sport utility vehicles.
M3712 Valve Medic
M3712
Valve Medic

- Quiets noisy filters.
- Super concentrated formula eliminates valve noises by dissolving gum, sludge, and dirt deposits from valve lifters.
M4712_6 Fuel Injector Air Intake Cleaner
M4712_6
Fuel Injector Air Intake Cleaner

- Improves engine performance by cleaning away varnish, carbon, oil, and grease from computer controlled air intake systems.
M4912 Fuel Injector and Carburetor Cleaner
M4912
Fuel Injector and Carburetor Cleaner

- Keeps fuel injectors and carburetors clean.
- Restores lost power.
- Reduces exhaust emissions.
M5012 Lead Substitute
M5012
Lead Substitute

- Replaces lead protection.
- Contains valve seat anti-wear additive.
M5112 Octane Performance Booster
M5112
Octane Performance Booster

- Boosts octane while cleaning combustion chambers and fuel system.
- Reduces knock, ping, and hesitation.
M5212 Super Concentrated Fuel Injector Cleaner
M5212
Super Concentrated Fuel Injector Cleaner

- One treatment cleans fuel injectors and intake valves.
- Restores lost power.
- Increases fuel economy.
M5512_6 Emissions System Preparation
M5512_6
Emissions System Preparation

- Cleans emissions control system.
- Guaranteed to reduce emissions and increase vehicle performance.
M5714_6 Stop Smokin
M5714_6
Stop Smokin'

- Reduces smoky exhaust from oil burning cars.
M5808_6 Fuel Stabilizer
M5808_6
Fuel Stabilizer

- For storage and everyday use in all two and four cycle engines.
- Keeps stored fuel fresh.
- Prevents formation of gum, varnish, and rust.
M6232 Nu-Power Engine Treatment with PTFE
M6232
Nu-Power Engine Treatment with PTFE

- Reduces friction and engine wear, reduces engine temperature, improves fuel economy, and increases engine torque.
M6912 Diesel Fuel ANTI-GEL with Conditioner
M6912
Diesel Fuel ANTI-GEL with Conditioner

- Designed to provide superior performance at lower treat rates. This product is backed by performance testing to ensure that it meets the requirements of the professional truck driver.
M6932 Diesel Fuel ANTI-GEL with Conditioner
M6932
Diesel Fuel ANTI-GEL with Conditioner

- Designed to provide superior performance at lower treat rates. This product is backed by performance testing to ensure that it meets the requirements of the professional truck driver.
M6996 Diesel Fuel ANTI-GEL with Conditioner
M6996
Diesel Fuel ANTI-GEL with Conditioner

- Designed to provide superior performance at lower treat rates. This product is backed by performance testing to ensure that it meets the requirements of the professional truck driver.
MSUV16 SUV Fuel System Treatment
MSUV16
SUV Fuel System Treatment

- High-performance fuel system treatment sized specifically for convenient treatment of sport utility vehicle (SUV) fuel systems. Offers cleanup of fuel injectors and intake valves.
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