Fuel System Cleaners

Fuel System CleanersSpending a little money now on preventive maintenance can save you big bucks down the road. Protect your engine with fuel system cleaners, valve cleaners, injector cleaners, catalytic converter cleaners, intake cleaners, and other cleaners. We carry the best names in fuel system additives and cleaners such as STP, Chevron Techron, Gumout, Lubegard and 3M.
Cataclean® Catalytic Converter & Fuel System Cleaner (16 oz)
Cataclean® Catalytic Converter & Fuel System Cleaner (16 oz) - 3 Pack
Cataclean® Catalytic Converter & Fuel System Cleaner (16 oz) - 6 Pack
Cataclean Exhaust & Fuel System Cleaner (3 Liter)
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4 Reviews
Prevents fouling of your catalytic converter, removes existing deposits & increases fuel efficiency
Our Price: $34.91
Sale Price: $28.98
You Save: $5.93
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Prevents fouling of your catalytic converter, removes existing deposits & increases fuel efficiency
Our Price: $96.56
Sale Price: $84.14
You Save: $12.42
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Prevents fouling of your catalytic converter, removes existing deposits & increases fuel efficiency
Our Price: $176.99
Sale Price: $172.88
You Save: $4.11
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Prevents fouling of your catalytic converter, removes existing deposits & increases fuel efficiency. Treats up to 30 gallons
Our Price: $107.91
Cataclean Exhaust & Fuel System Cleaner (5 Liter)
Cataclean Diesel Fuel & Exhaust System Cleaner (16 oz)
Lubegard Fuel System Booster (16 oz.)
Chevron Techron Fuel System Cleaner (12 oz.)
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Prevents fouling of your catalytic converter, removes existing deposits & increases fuel efficiency
Our Price: $136.41
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Reduces hydrocarbon emissions and helps maintain proper engine operation
Our Price: $36.95
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Can be used with gasoline or diesel engines
Our Price: $13.95, 2/$26.90, 12/$161.40
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6 Reviews
Our Price: $9.99
Sale Price: $8.49, 2/$16.50, 3/$24.27
You Save: $1.50
Chevron Techron Fuel System Cleaner-6 Pack (12 oz.)
Chevron Techron Fuel System Cleaner (20 oz.)
Chevron Techron Fuel System Cleaner-6 Pack (20 oz.)
Lucas High Mileage Fuel Treatment (5.25 oz)
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Our Price: $54.00
Sale Price: $48.00
You Save: $6.00
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9 Reviews
Our Price: $14.95
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Our Price: $76.50
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Causes fuel to burn more completely for fewer emissions and more MPG
Our Price: $10.49
Sale Price: $8.49, 2/$16.30, 24/$164.40
You Save: $2.00
Lucas Complete Engine Treatment Cleaner & Lubricator (16 oz)
Lucas Oil Deep Clean (5.25 oz)
Lucas Deep Clean Fuel System Cleaner (16 oz.)
Lucas Complete Fuel System Renewal Kit
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Cleans and lubricates all components from the fuel tank to the cylinders, in both gas & diesel engines
Our Price: $12.49
Sale Price: $10.49, 12/$113.40
You Save: $2.00
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Contains no diesel fuel, kerosene or anything else that can be harmful or useless to an engine
Our Price: $7.49
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1 Review
Contains no diesel fuel, kerosene or anything else that can be harmful or useless to an engine
Our Price: $12.99
Sale Price: $10.99, 2/$20.00, 12/$111.00
You Save: $2.00
In-Stock
Contains 1 bottle of Lucas Deep Clean Fuel System Cleaner & 3 bottles of Lucas Upper Cylinder Lubricant and Injector Cleaner
Our Price: $25.95
Sale Price: $22.95, 2/$44.70
You Save: $3.00
Blue Devil Fuel System Cleaner (16 oz)
Blue Devil Fuel System Cleaner (16 oz) - 6 Pack
Star Tron Enzyme Fuel Treatment (8 oz)
Star Tron Concentrated Enzyme Fuel Treatment (8 oz)
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Removes fuel deposits while increasing vehicle performance
Our Price: $20.95
Sale Price: $18.95
You Save: $2.00
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Removes fuel deposits while increasing vehicle performance
Our Price: $105.00
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Stabilizes fuel for up to two years and helps rejuvenate old fuel
Our Price: $9.97
Sale Price: $7.97, 2/$15.90
You Save: $2.00
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Increases fuel economy and makes your engine start easier, and run smoother
Our Price: $11.95
Star Tron Concentrated Enzyme Fuel Treatment (16 oz)
Sea Foam Engine Intake Cleaner Spray (12 oz.)
Sea Foam Engine Treatment (16 oz.)
Sea Foam Engine Treatment (1 Gal.)
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Increases fuel economy and makes your engine start easier, and run smoother
Our Price: $17.95
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Our Price: $10.95, 12/$126.00
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Our Price: $13.99
Sale Price: $12.08
You Save: $1.91
In-Stock
1 Review
Our Price: $68.95
Lubro-Moly Valve Clean (150 ML)
Lubro-Moly Jectron Fuel Injection Cleaner (300 ML)
ZMax Total Engine Treatment Kit
Red Line SI-1 Complete Fuel System Cleaner (15 oz.)
In-Stock
Our Price: $7.95, 2/$15.00
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1 Review
Our Price: $7.97, 2/$15.90
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2 Reviews
Includes 12 oz. bottle of Fuel Treatment & 12 oz. bottle of Engine Treatment
Our Price: $37.95
Sale Price: $34.95
You Save: $3.00
In-Stock
1 Review
Our Price: $23.95
Marine Formula STA-BIL Ethanol Treatment & Stabilizer (8 oz.)
Marine Formula STA-BIL Ethanol Treatment & Stabilizer (32 oz.)
3M Universal Fuel System Cleaner (12 oz.)
3M Complete Fuel System Cleaner (16 oz.)
In-Stock
Our Price: $14.99
Sale Price: $12.99
You Save: $2.00
In-Stock
1 Review
Our Price: $32.99
Sale Price: $29.99
You Save: $3.00
In-Stock
1 Review
Advanced fuel system cleaner for any car
Our Price: $24.95
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Cleans intake valves and combustion chambers in one tank of gas
Our Price: $10.95
3M Fuel Injection Cleaner (16 oz.)
3M Universal Aerosol Fuel Injector Cleaner (10 oz)
3M Aerosol Throttle Plate and Intake Cleaner
Johnsen's Carb, Choke & Air Intake Cleaner (10 oz) - 12 Pack
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Cleans fuel injectors and removes deposits from system in one tank of gas
Our Price: $9.95
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Quickly remove deposits from fuel injector and improve efficiency
Our Price: $49.95
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Instantly clean coated and uncoated throttle plates
Our Price: $5.99, 2/$11.98
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Cleans your carburetor and air intake!
Our Price: $37.80
Johnsen's Carburetor Cleaner - 6 Pack (10 oz)
Johnsen's Carburetor Cleaner - 12 Pack (10 oz)
Johnsen's Penetrating Oil Spray - 12 Pack (10 oz)
CRC Industries Intake Valve Cleaner - 11 Oz
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Use on carburetor, linkage, PCV vales, automatic choke, and air intake
Our Price: $18.90
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Use on carburetor, linkage, PCV vales, automatic choke, and air intake
Our Price: $42.00
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Is a lubricant and penetrant
Our Price: $44.40
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Dissolves baked-on carbon deposits
Our Price: $20.95, 12/$225.00
CRC Throttle Body & Air Intake Cleaner (12 Oz)
CRC Guaranteed To Pass Emissions Test Formula (12 oz.)
Gumout Concentrated Fuel Injector Cleaner (5.5 oz.)
Gunk Fuel Injector & Carburetor Cleaner (12 oz.)
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Cleans gum and varnish from the throttle valves and throttle body
Our Price: $6.49, 2/$12.78, 12/$63.48
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Our Price: $19.95, 2/$39.50, 12/$234.00
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Our Price: $4.99
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1 Review
Our Price: $4.29
STP Super Concentrated Fuel Injector Cleaner (5.25 oz.)
STP Fuel Injector & Carburetor Cleaner (5.25 oz.)
Catalytic Converter Cleaner (16 oz.)
Catalytic Converter Cleaner (16 oz.) - 3 Pack
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Our Price: $7.99
Sale Price: $4.99, 12/$57.00
You Save: $3.00
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Our Price: $2.59, 2/$4.90
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Our Price: $14.95
In-Stock
2 Reviews
Our Price: $39.95
Catalytic Converter Cleaner (16 oz.) - 6 Pack
Lucas Upper Cylinder Lubricant and Fuel Injector Cleaner (1 Quart)
Lucas Upper Cylinder Lubricant and Fuel Injector Cleaner (5.25 oz.)
CRC Diesel Fuel Injector Cleaner Plus (12 oz.)
In-Stock
1 Review
Our Price: $85.75
In-Stock
4 Reviews
Our Price: $14.99
Sale Price: $12.99, 2/$25.42, 12/$139.32
You Save: $2.00
In-Stock
2 Reviews
Our Price: $7.49
Sale Price: $5.49, 6/$27.54, 12/$55.08, 24/$111.60
You Save: $2.00
In-Stock
1 Review
Our Price: $8.99, 2/$17.58
CRC Stor & Go Ethanol Fuel Treatment & Stabilizer (8 oz)
Restore Fuel System Restorer (16 oz.)
CRC Mass Air Flow Sensor Cleaner (11 oz.)
In-Stock
Protects all gas powered 2 and 4 cycle engines from the harmful effects of ethanol
Our Price: $20.95
In-Stock
Our Price: $9.95
In-Stock
1 Review
Safely cleans and protects MAF Sensors
Our Price: $10.95, 2/$20.98, 12/$94.20
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  • "Available product, easy order, quick shipping, and excellent product. Highly recommend Auto Barn, and this product!" (7/17/22)

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