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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code FOUND25 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 2/27/17. Online orders scheduled for in-store pick up must be completed by closing on 2/26/17 for discount to apply.

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  • Part #: 300004|
  • SKU: 490759

Available today

Pay in Store Available

    • Frees rusted/stuck parts
    • Penetrates rust
Retail
$7.49
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.

WD-40 Specialist Rust Release Penetrant Spray

A unique blend of solvents, metal working fluids and surfactants that provide fast-acting penetration. No other penetrant has our combination. Penetrates into tight crevices, threads and seams to break bonds that hold stuck parts together. Helps prevent rust and corrosion from reforming, and leaves behind a lubricating layer.
  • Frees rusted/stuck parts
  • Penetrates rust
  • 50% faster penetration than the leading competitor
  • VOC compliant in all 50 states
  • Safe to use on plastics, metal and rubber
  • Prevents rust and corrosion from reforming


490759

Rated 4.8 out of 5 by 139 reviewers.
Rated 5 out of 5 by Great product I tried this product a week ago and it works great. August 19, 2013
Rated 5 out of 5 by surprized me just as a test I tried the WD-40 Specialist vs another penatrant on similarly corroded bolts on a flange and was pleasantly surprised with the results! August 15, 2013
Rated 5 out of 5 by Good Prodcut The product penetrated rust very well making the removal of the parts much easier. August 15, 2013
Rated 4 out of 5 by Works good to free rusted bolts I work in a salt facility where everything rusts. This product seems to do a good job of freeing rusted bolts. August 15, 2013
Rated 5 out of 5 by Superb Product Put this product to the test on some severely rusted fasteners ... excellent results! August 14, 2013
Rated 4 out of 5 by great title used this on my old tractor bolts working on replacing the head gasket on a Ford 9N tractor and it worked great on getting down to the threads. August 14, 2013
Rated 5 out of 5 by DON'T BE STUCK WITHOUT THIS A five star product from design to implementation. The easy applicator button releases the penetrant for spot on use. It also releases you from the worry about how can you replace the parts, probably most of which are unavailable. August 14, 2013
Rated 5 out of 5 by Produt performed as advertised. Our maintenance staff states the WD-40 Rust Release is a superior prodcut over we use today and highly recommends this product for our exisitng refinery operations. August 14, 2013
Rated 5 out of 5 by Performance The product performed exceptional on every test we tried it on. August 14, 2013
Rated 5 out of 5 by Outstanding Product - That Works !! Have used the product several times and have been extremely happy with the products performance to loosen even the most rusted nuts/bolts !! August 14, 2013
Rated 5 out of 5 by Works Great! This product delivers! So many times a new product comes along with the hype but this penetrant actually delivers. Used it on a group of mounting bolts for a flange that had in been in place for years. After a few minutes they came off with little effort! Thanks!! August 14, 2013
Rated 1 out of 5 by Sprays everywhere, but where I need it! I'm not able to figure out the stay nozzle!  I spray it and the solution comes out all over the place..... August 14, 2013
Rated 5 out of 5 by Great Stuff! This stuff works. The wait time is about 1/2 a beer but this stuff works! August 14, 2013
Rated 5 out of 5 by Broke the Rust Down Quick! I have tried this on a few projects around the house. I first used it on the kid's bike left outside, and this new WD-40 loosed up the rusted chain in no time. Seeing the smile on my kids face made him think it was a new bike again! August 14, 2013
Rated 5 out of 5 by love the nozle This works great and I will buy it from now on ! August 14, 2013
Rated 5 out of 5 by Product is awesome Got a sample a couple weeks and having been using it, being in the maintenance field it it important to find products that work as advertised. This product works great, too bad we didn't get more as a sample. August 14, 2013
Rated 5 out of 5 by Great Product I received this as a sample and imediately put it to use on rusted nuts and bolts. The product performed as it had been advertised and actually much better then I was expecting. I was able to remove all of the rusted nuts and bolts that I used it on without breaking a single on or rounding off the nuts or bolt heads. August 14, 2013
Rated 5 out of 5 by rust eater Shortly after I got this product I had disassemble a trailer that had been built 13 years ago.I live in minnesota and everything gets rusted terrible cause they salt the roads other than plow.I sprayed the bolts on the trailer with Specialist before trying to remove and it worked great August 14, 2013
Rated 5 out of 5 by Very useful! I received a free sample of WD-40 Specialist and it works better than expected. I have been buying WD-40 for years and I was not disappointed with this newest product. I even gave it to my dad to try on his farm and he liked it as well. August 14, 2013
Rated 5 out of 5 by Rust Penetrating Great for use on the farm. August 14, 2013
Rated 5 out of 5 by Another Great WD-40 product Used to loosen bolts of failed components to tear apart for failure review. Worked Great. August 14, 2013
Rated 4 out of 5 by worthy Was able to get the job done with little waiting.  August 14, 2013
Rated 5 out of 5 by It just works! It's nice when a product delivers what is expected and this one does it well. I tried it on a couple of rusted bolts that wouldn't otherwise move and presto, out they came. August 14, 2013
Rated 5 out of 5 by trusted tried it once...I'm hooked August 14, 2013
Rated 1 out of 5 by Not a good product! Trtied this and it did NOT do the job. Liquid Wrench WORKED!! August 11, 2013
Rated 5 out of 5 by Simply outstanding I tried this product and it is simply outstanding. Performance is great. I have never experienced this kind of performance from other penetrants!!! August 1, 2013
Rated 4 out of 5 by WE 40 Specialist I used this on heavy equipment assembly that I tried to repair. It was easy to dismantle and also it did not rust when I was away for 2 days when all the parts were open. August 1, 2013
Rated 5 out of 5 by great results i tryed this for the frist time and it works great July 30, 2013
Rated 5 out of 5 by Very Efficient I had some trouble with a few rusted nuts and bolts on an old trailer. I used the specialist grade rust penetrant and within no time I was able to break them free. July 30, 2013
Rated 5 out of 5 by Incredible results after years of being seized. Used this under recommendation by wholesaler here in New Zealand. Unfroze an old mechanism and interlock on a sensitive but obsolete piece of electrical equipment under restoration. Just incredible to see a 1935 vintage piece of generator history run free and work like it used to . Incredible work WD40 . Impressed  July 21, 2013
  • 2017-01-22 T14:10:26.867-06:00
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