Fuel Additives

Fuel AdditivesOver time, Your engine starts to accumulate gum, varnish deposits, and possibly water. Browse through our selection of fuel treatments, fuel stabilizers, and other additives to help Cleans, lubricates, and maintains engine parts you do not want to replace. We Brands such as Lucas, Gold Eagle, Gunk, Marvel Mystery Oil, and STP.
Start Your Engine Fuel System Revitalizer  (4 oz.)
Lucas Safeguard™ Ethanol Fuel Conditioner & Stabilizer (16 Oz)
Lucas Fuel Stabilizer (15 oz.)
Lucas Fuel Stabilizer (32 oz.)
Our Price: $10.95
Our Price: $9.49
Our Price: $5.99
Our Price: $9.99
Lucas Extreme Cold Weather Fuel Treatment (32 oz.)
Lucas Extreme Cold Weather Fuel Treatment (64 oz.)
Sta-bil Concentrated Fuel Stabilizer
Gunk Gas Treatment (12 oz.)
Our Price: $9.99, 2/$18.90
Our Price: $20.95
Our Price: $5.99
Our Price: $2.99
Gunk Lead Substitute (12 oz.)
STP Gas Treatment (5.25 oz.)
STP All Season Water Remover (5.25 oz.)
Marvel Mystery Oil (16 oz.)
Our Price: $3.99
Our Price: $2.79, 2/$5.30
Our Price: $2.59, 2/$4.90
Retards the formation of power dissipating motor deposits, such as gums, varnish, and sludge
Our Price: $4.29
Sale Price: $3.99, 6/$22.14
You Save: $0.30
Marvel Mystery Oil (32 oz.)
CRC Engine Stor 2 & 4 Cycle Engine Fogging Oil (13 Oz)
Our Price: $6.99, 2/$13.30, 6/$38.94
Fogging fluid protects outboard motors, marine engines and other internal combustion engines
Our Price: $7.99, 2/$15.30
  • "Seems like a good website, easy to use and fair prices." (2/27/19)

  • "Good price and got what i want from the web" (2/26/19)

  • "Good prices, easy online purchase procedure." (2/20/19)

  • "From product selection to competitive product pricing to order execution (start to finish) to order fulfillment... communications as and if required...couldn't ask for a better 'partner' to accomplish my projects using Auto Barn's items." (2/19/19)

Read All Testimonials