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Use promotional code MMJ30 at checkout to receive 30% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

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Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

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Lucas Oil Heavy Duty Stabilizer 9103342
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  • Part #: 10001|
  • SKU: 9103342

Available today

Pay in Store Available

    • Extends oil life and lowers oil temperature in any engine - gasoline or diesel
    • Raises oil pressure, reduces smoking, leaking, knocking and blow-by in worn engines
Sale Price

Lucas Oil Heavy Duty Stabilizer

Lucas Heavy Duty Oil Stabilizer is the #1 high performance oil supplement in the United States. It eliminates dry starts and resists thermal breakdown for total protection in engines, gear boxes and differentials.
  • Extends oil life and lowers oil temperature in any engine - gasoline or diesel
  • Raises oil pressure, reduces smoking, leaking, knocking and blow-by in worn engines
  • Safely blends with all other automotive lubricants, even synthetic oil
  • Increases lubricity and film strength to reduce friction and wear in new or older engines



Lucas Oil Heavy Duty Stabilizer is rated 4.7 out of 5 by 59.
Rated 5 out of 5 by from Great for old and new engines This is a GREAT product. Will help get rid of small knocks and smoothing out the engine. I always use a little less than recommended. I only use it every other oil change. And don't use it in the heart of the winter. It is VERY thick to begin with and the cold temps thicken it even more.
Date published: 2015-01-09
Rated 2 out of 5 by from poor did not perform as expected
Date published: 2015-01-04
Rated 5 out of 5 by from Always Use every time I do an oil change im always using Lucas, it has been recommended by people I trust and professionals I know
Date published: 2014-12-29
Rated 5 out of 5 by from Lucas Great stuff
Date published: 2014-12-15
Rated 5 out of 5 by from luas oil stablizer excellent product
Date published: 2014-12-08
Rated 5 out of 5 by from Good Used in rear differential on 2004 Jeep Grand Cherokee , no problem.
Date published: 2014-12-06
Rated 5 out of 5 by from Great stuff This great stuff
Date published: 2014-12-05
Rated 4 out of 5 by from good buy again
Date published: 2014-11-13
Rated 5 out of 5 by from Works well!! Quiets engine noise when it first starts. I have over 180,000 miles on my truck and it's still running strong!
Date published: 2014-11-09
Rated 5 out of 5 by from Product lives up to its claims Needed a quart of 20w50 oil. No one had any. Saw Lucas oil on shelf . Gave it a try in place of the one quart needed. Noticed after a while motor starts easier and little noises disappeared. Yes use this stuff.
Date published: 2014-11-07
Rated 3 out of 5 by from per expected used in place of high milage oil
Date published: 2014-11-03
Rated 5 out of 5 by from so worth it Good for all cars and trucks good to use if you love your car or truck and dont have to much time for keeping up with your oil changs
Date published: 2014-10-31
Rated 5 out of 5 by from use in all my cars love it it works
Date published: 2014-10-29
Rated 5 out of 5 by from love it No more burning oil and running much smother.
Date published: 2014-10-26
Rated 5 out of 5 by from Excellent!!!!! This isn't just an oil additive but a stabilizer as they say. I use it in every vehicle I own not only in the oil but in the transfer cases, gear boxes, and trany of my Harley. This stuff works awesome!!!!! I've noticed how much quieter everything is and how much smoother everything runs and cooler as well!!!!! This is another product I just can't live without and thought I couldn't afford it in the past but I but it a gallon at a time now cause I know it's well worth the money because it saves on wear and tear which in the long run will cost a "LOT MORE"!!!!! Money well spent!!!!! Another product I can't live without!!!!!
Date published: 2014-10-17
Rated 5 out of 5 by from Excellent Stuff I love to use Lucas. I even use it with my Lawn Mower engines. The "demo model" in the store where they add it to a gear apparatus says a lot. I also have a friend that races cars and builds his own engines--he uses the stuff too. He says it makes the engines run cooler. Can't hurt---give it a try. Make sure to catch it on sale...Pep Boys has the cheapest price on this in town.
Date published: 2014-10-04
Rated 5 out of 5 by from Love this stuff!!!! I've been using this stuff in all of my high mileage vehicles and knock on wood I never had any internal issues with any of my engines.
Date published: 2014-09-07
Rated 5 out of 5 by from excellent stuff i used to change the oil i used all time every time i change my oil of my cars
Date published: 2014-09-05
Rated 5 out of 5 by from Lucas oil I love this product, I use it with every oil change. I have over 280,000 miles on my f-150 an it is running strong.
Date published: 2014-08-29
Rated 5 out of 5 by from Great Product Great for oil stability.
Date published: 2014-03-08
Rated 5 out of 5 by from A must have for cars with mileage over 85,000 Amazing product when added to your oil changes in place of one quart of oil. Quiets any lifter or valve taps, rattles, etc. Absolutely amazing in my '05 Altima, '05 Grand Prix GT (both with over 100,000 miles), as well as my '09 Altima with only 20,000 miles.
Date published: 2012-11-22
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