Motor Oil Additives and Treatments

Proper maintenance will save you lots of money throughout the years. At Autobarn we carry engine flushes to remove dirt and sludge from your motor, oil stop leak to fix that minor leak problem you always had, engine treatment to restore gas mileage and leaves your engine running smoother, and more! We feature brands from Lucas, Lubro-Moly, Zmax, Royal Purple, STP, Gunk, White Shepherd, Rislone, Tufoil, CD-2 and Lubegard.
Tufoil Engine Treatment 8 oz.
Tufoil Engine Treatment 32 oz.
Tufoil Engine Treatment 1 Gallon
Tufoil Engine Treatment For Trucks (50 oz)
Slipperier than Teflon to make engines start easier, run cleaner, faster, and longer.
Our Price: $13.95
Sale Price: $12.95
You Save: $1.00
Our Price: $48.95
Sale Price: $43.95, 2/$81.90
You Save: $5.00
Our Price: $151.95
Our Price: $61.95
Sale Price: $59.95
You Save: $2.00
Tufoil Engine Treatment For Motorcycles 2 Oz.
4 Cylinder Engine Restorer & Lubricant (11 oz.)
6 Cylinder Engine Restorer & Lubricant (15 oz.)
8 Cylinder Engine Restorer & Lubricant (19 oz.)
Our Price: $8.95
Sale Price: $6.95
You Save: $2.00
Our Price: $8.99
Our Price: $10.49
Our Price: $11.95
SLICK 50 Synthetic Engine Treatment (15 oz)
ATP AT-205 Multi-Purpose Leak Re-Sealer (8 oz)
Liqui-Moly Cera Tec Motor Oil Additive (300 ML)
Lubro-Moly Motor Oil Saver (300 ML)
Fights performance robbing friction 18% better than synthetic motor oil alone
Our Price: $19.95
Sale Price: $17.95
You Save: $2.00
Stops leaks in the power steering, transmission, engine, differential, sunroof seals, etc.
Our Price: $12.95, 2/$23.90
High-tech ceramic wear protection product for all motor oils
Our Price: $29.95
Sale Price: $26.95, 2/$51.50
You Save: $3.00
Our Price: $9.95, 2/$18.90
Lubro-Moly MoS2 Anti-Friction Engine Treatment (300 ML)
Lubro-Moly Pro-Line Engine Flush (500 ML)
Lucas Low Viscosity Oil Stabilizer (12 oz)
Lucas Heavy Duty Oil Stabilizer (1 Quart)
Our Price: $8.95, 2/$17.10
Our Price: $14.95, 2/$28.50
Reduces anti-wear, friction reduction, dispersancy, and oxidation inhibition, to prolong the useful life of your oil
Our Price: $11.95
Sale Price: $9.95
You Save: $2.00
Our Price: $13.99
Sale Price: $12.49, 3/$32.85, 6/$62.34, 12/$119.40
You Save: $1.50
Lucas Heavy Duty Oil Stabilizer (1 Gallon)
Lucas Synthetic Heavy Duty Oil Stabilizer (1 Qt.)
Lucas Engine Oil Stop Leak (32 oz.)
Lucas Engine Oil Stop Leak (Gallon)
Our Price: $29.95, 2/$56.90
Lucas synthetic oil stabilizer stabilizes oil pressure, eliminates hesistation, rough idle, stalling and friction for more power and MPG
Our Price: $14.95
Sale Price: $12.95, 6/$74.10, 12/$148.20
You Save: $2.00
Our Price: $9.95, 2/$19.50
Our Price: $31.95, 2/$60.70
Lucas Motorcycle Oil Stabilizer (12 Oz)
Royal Purple Engine Break-In Oil (1 Qt.)
Lucas Engine Break-In Oil Additive (16 oz.)
STP Smoke Treatment (14.5 oz.)
Our Price: $6.49, 2/$12.30
Our Price: $11.95
Our Price: $13.95, 2/$26.50
Our Price: $5.25
Blue Devil Rear Main Sealer (8 oz.)
Blue Devil Oil Stop Leak & Conditioner (8 oz)
Motor Medic Bearin' Seal Engine Oil Stop Leak (12 oz.)
Gunk Valve Medic Valve Treatment (12 oz.)
Our Price: $13.95
Our Price: $34.95
Sale Price: $19.95
You Save: $15.00
Our Price: $3.99
Our Price: $3.99
Gunk 5-Minute Motor Flush (32 oz.)
Rislone Engine Treatment (16.9 oz.)
Rislone Ring Seal (15 oz.)
STP Oil Treatment (15 oz.)
Our Price: $6.99
Our Price: $6.49, 12/$65.88
Our Price: $4.95
Our Price: $4.99, 3/$13.35, 6/$26.70, 12/$47.88
Marvel Mystery Oil (16 oz.)
Marvel Mystery Oil (32 oz.)
LUBEGARD Bio/Tech Engine Protectant (15 oz.)
LUBEGARD Engine Flush (15 oz.)
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
Our Price: $6.99, 2/$13.30, 6/$38.94
Will extend your engine's oil life, resulting in extended oil and filter change intervals
Our Price: $12.97
Sale Price: $6.97
You Save: $6.00
Our Price: $8.99
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