Call Us With Questions or Orders. M-F 8:30 AM - 6 PM ET
Toll-Free 1-888-484-9560
Store Locator | NOW HIRING FOR NY STORES

Home|Contact Us|About Us|Help Center|My Account

Home | Oils & Additives | Motor Oil & Oil Additives |

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.


Blue Devil Stop Smoke and Engine Repair (16 oz) Stops exhaust smoke as well as reduce oil loss issues Our Price: $14.49, 6/$79.50	Blue Devil Pro Universal Leak Repair (12 oz) Seals leaks in multiple systems including: power steering, engine oil, and differentials Our Price: $19.95, 6/$115.50	Tufoil Engine Treatment 8 oz. 17 Reviews Slipperier than Teflon to make engines start easier, run cleaner, faster, and longer. Our Price: $13.95 Sale Price: $12.95, 2/$24.90 You Save: $1.00	Tufoil Engine Treatment (16 oz) Helps engines produce more power, run smoother, last longer, run cooler, and start easier Our Price: $25.95


Tufoil Engine Treatment 32 oz. 11 Reviews Our Price: $48.95 Sale Price: $46.95, 2/$91.90 You Save: $2.00	Tufoil Engine Treatment (48 oz.) Faster cranking speed under all weather conditions Our Price: $69.95	Tufoil Engine Treatment 1 Gallon 10 Reviews Our Price: $159.95	Tufoil Engine Treatment For Trucks (50 oz) 4 Reviews Our Price: $61.95 Sale Price: $59.95 You Save: $2.00


4 Cylinder Engine Restorer & Lubricant (11 oz.) Our Price: $10.99	6 Cylinder Engine Restorer & Lubricant (15 oz.) Our Price: $12.95	8 Cylinder Engine Restorer & Lubricant (19 oz.) 2 Reviews Our Price: $15.95	SLICK 50 Synthetic Engine Treatment (15 oz) Fights performance robbing friction 18% better than synthetic motor oil alone Our Price: $22.95 Sale Price: $21.95 You Save: $1.00


ATP AT-205 Multi-Purpose Leak Re-Sealer (8 oz) 2 Reviews Stops leaks in the power steering, transmission, engine, differential, sunroof seals, etc. Our Price: $13.59	Liqui-Moly Cera Tec Motor Oil Additive (300 ML) 2 Reviews High-tech ceramic wear protection product for all motor oils Our Price: $35.95 Sale Price: $34.95, 2/$67.70 You Save: $1.00	Lubro-Moly Motor Oil Saver (300 ML) Our Price: $11.95, 2/$23.50	Lubro-Moly MoS2 Anti-Friction Engine Treatment (300 ML) 2 Reviews Our Price: $9.49, 2/$17.60


Lubro-Moly Pro-Line Engine Flush (500 ML) Our Price: $16.99, 2/$31.50	Lucas Low Viscosity Oil Stabilizer (12 oz) Reduces anti-wear, friction reduction, dispersancy, and oxidation inhibition, to prolong the useful life of your oil Our Price: $12.49 Sale Price: $11.49, 12/$135.00 You Save: $1.00	Lucas Heavy Duty Oil Stabilizer (1 Quart) 10 Reviews Our Price: $16.95 Sale Price: $14.95, 2/$28.52, 3/$43.38, 6/$85.56, 12/$171.12 You Save: $2.00	Lucas Heavy Duty Oil Stabilizer (1 Gallon) 1 Review Our Price: $40.95 Sale Price: $38.95, 2/$77.00, 4/$153.00 You Save: $2.00


Lucas Synthetic Heavy Duty Oil Stabilizer (1 Qt.) 2 Reviews Lucas synthetic oil stabilizer stabilizes oil pressure, eliminates hesistation, rough idle, stalling and friction for more power and MPG Our Price: $18.99 Sale Price: $16.99, 2/$27.82, 6/$84.66, 12/$163.32 You Save: $2.00	Lucas Oil High Mileage oil Stabilizer (1 Qt) Effective in eliminating leaks, overheating and noise Our Price: $18.95 Sale Price: $15.95, 2/$28.98, 12/$175.80 You Save: $3.00	Lucas Engine Oil Stop Leak (32 oz.) 3 Reviews Our Price: $13.99 Sale Price: $11.99, 2/$22.92, 12/$126.12 You Save: $2.00	Lucas Engine Oil Stop Leak (Gallon) Our Price: $33.95 Sale Price: $29.95, 2/$59.00, 4/$112.00 You Save: $4.00


Lucas Motorcycle Oil Stabilizer (12 Oz) 1 Review Our Price: $9.99 Sale Price: $7.99, 2/$15.30, 12/$87.00 You Save: $2.00	Royal Purple Engine Break-In Oil (1 Qt.) Our Price: $14.95	Lucas Engine Break-In Oil Additive (16 oz.) Our Price: $10.97 Sale Price: $5.97 You Save: $5.00	STP Smoke Treatment (14.5 oz.) Our Price: $7.99 Sale Price: $5.99, 12/$57.60 You Save: $2.00


Blue Devil Rear Main Sealer (8 oz.) 1 Review Our Price: $13.95	Blue Devil Rear Main Sealer (8 oz.) - 6 Pack Restores dried, cracked, and shrunken rubber seals Our Price: $68.70	Blue Devil Oil Stop Leak & Conditioner (8 oz) Our Price: $34.95 Sale Price: $19.95, 6/$103.80 You Save: $15.00	Blue Devil Oil Stop Leak & Conditioner (8 oz) - 6 Pack Repairs and reconditions rubber seals throughout any fluid oil system Our Price: $103.80


Motor Medic Bearin' Seal Engine Oil Stop Leak (12 oz.) 1 Review Our Price: $4.49	Motor Medic Valve Medic Oil Detergent (12 oz.) 3 Reviews Our Price: $4.99, 12/$35.88	Motor Medic 5-Minute Motor Flush (32 oz.) 1 Review Our Price: $8.99, 12/$61.80	Rislone High Mileage Engine Treatment (16.9 oz.) 1 Review Our Price: $8.99, 12/$95.88


Rislone Ring Seal (16 oz.) Our Price: $5.49	STP Oil Treatment (15 oz.) 1 Review Our Price: $5.49, 3/$16.35, 6/$32.10, 12/$63.00	Marvel Mystery Oil (16 oz.) Retards the formation of power dissipating motor deposits, such as gums, varnish, and sludge Our Price: $9.49 Sale Price: $7.49, 6/$40.50 You Save: $2.00	Marvel Mystery Oil (32 oz.) 3 Reviews Our Price: $11.45, 2/$16.30, 6/$47.94

"Quick and easy. No html errors" (7/22/21)
-
"This is my first experience with Auto Barn. It has been a good experience so far and I look fwd to doing more business with Auto Barn as long as I continue to have as good of an experience as this one has been. Thanks" (7/21/22)
-
"Was a good experience overall" (7/20/22)
-
"Available product, easy order, quick shipping, and excellent product. Highly recommend Auto Barn, and this product!" (7/17/22)
-

View Items in Cart