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25% Off Online Orders of Select Parts and Accessories. Enter Promo Code 25PEP in Cart

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25% Off Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code 25PEP at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 9/1/16. Online orders scheduled for in-store pick up must be completed by closing on 8/31/16 for discount to apply.

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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
$12.99
$9.98
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

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


9103342

Rated 4.7 out of 5 by 43 reviewers.
Rated 4 out of 5 by ok works as advertised, easy to use, easy to install August 26, 2016
Rated 5 out of 5 by Excellent performance Great product that adds performance to any oil. August 10, 2016
Rated 5 out of 5 by wonderful lucas The best stuff for your engine this Lucas Oil Stabilizer is ... longer intervals between your oil changes too ! Saves you wear and tear on the engine and don`t forget about money as well August 9, 2016
Rated 5 out of 5 by Very Satisfied Honestly, I am not auto maintenance knowledgeable to the extent that I can say that this product done what it is suppose to do? I added the product to my oil tank based on the recommendation of a mechanic at Pep Boys and I have complete faith and confidence in Pep Boys employees to guide me in the most professional manner, to either correct or assist in the maintenance issue without a major project and at minimum cost. I go to Pep Boys for all of my auto maintenance on my two cars and am totally satisfied with the service and support that they provide. August 1, 2016
Rated 5 out of 5 by Worth ten times the price This stuff goes to work the second it hits your parts. My 1999 Cherokee ran smoother the second this stuff was added. Oil pressure improved as well. July 18, 2016
Rated 5 out of 5 by This product is worth the investment Puts my mind at ease knowing that my oil and engine are working better with Lucas Oil Heavy Duty Stabilizer, thanks! November 10, 2015
Rated 5 out of 5 by Great oil additive I have used Lucas ever since my previous company carried it & still buy it today. November 7, 2015
Rated 4 out of 5 by Seems to have slowed my oil consumption..... I use a lot of Lucas Products and they have never let me down, This seems to have slowed my oil consumption down, but I have not used it long enough to know if it really offers any other benefits or not. October 20, 2015
  • 2016-08-28 T13:41:45.842-05:00
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