Item # 10340Z BRAND: Eastwood

Eastwood Radiator Black 12oz Satin Finish

The right viscosity to spray-paint
your radiator without damage
The right viscosity to spray-paint
your radiator without damage
Eastwood Radiator Black 12oz Satin Finish is rated 4.3 out of 5 by 39.
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The right viscosity to spray-paint
your radiator without damage

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Eastwood Radiator Black 12oz Satin Finish

Product Overview:


Give radiators a factory-quality finish without affecting performance by choosing Eastwood Radiator Paint in Satin Black. Normal engine paints are too thick for radiators; using them will interfere with heat transfer and block airflow over the cooling fins. Also, standard paint tends to flake off metal radiator tanks.

Eastwood Radiator Black aerosol spray is how to paint your car radiator quickly and effectively. This aluminum radiator paint is specially formulated to solve these problems and is heat resistant to 300 degrees Fahrenheit. The durable enamel formula also resists under-hood chemicals and chips. Meanwhile, the satin finish offers a lower sheen than regular gloss that is more similar to the factory paints used on modern plastic tank radiators.

Visit the Eastwood Garage to learn more about why you should choose Eastwood heat-resistant radiator paint over standard spray paint, and how to paint a car radiator. One can covers six square feet; note that most radiators require two cans (which you can order at a discount). We offer lifetime technical support with DIY experts who can answer all your questions.

  • Factory Look Finish
  • Heat Dissipating Formula
  • Heat Resistant To 300° F
  • 5%-10% Gloss Level
  • Resists chemicals and chipping
  • Won't block air flow between cooling fins
  • Won't interfere with heat transfer
  • Smooth texture
  • Withstands temperatures up to 300 degrees F
  • 12oz Net Fill
  • Ful cure in 72 hours at 0.5 - 1.0 MIL thickness

Standard engine paints are too thick for use on a radiator because they can interfere with heat transfer, and block air flow between the cooling fins. But Radiator Black Gloss is specifically formulated for your radiator, heater core and air conditioning condenser.

Radiator Black Gloss Paint is just the right viscosity to spray-paint your radiator without damaging it


    90 Day


    Ships via Fed-Ex

    In the Box


    Heat Resistant To 300° F

    Guides & Accessories


    Please read and fully unserstand the instruction on the can before use

    Safety Information

    Always wear proper eye, skin and respiratory protection. Always paint in a well-ventilated area away from sparks and open flame. Consult MSDS and product data sheets for proper safety precautions.

    Aerosol Details

    12oz NET Fill in a 16oz Can


    Eastwood High Temperature Resistant Under Hood Radiator Black Satin Finish Spray Paint 12 oz


    Rated 5 out of 5 by from Looks good Looks good so far. My aluminum rad looked terrible through the grill. I masked off the front side, scuffed, cleaned and put 2 light coats on. Almost flat color but looks good. Haven't fired it up yet but seems like it should last a while.
    Date published: 2021-09-03
    Rated 5 out of 5 by from Smmoooooth Paint goes on smooth and thin, covers very well with a couple lite coats
    Date published: 2021-08-22
    Rated 5 out of 5 by from Handy radiator paint Perfect product to keep radiator from showing through grille and not detracting from the cooling.
    Date published: 2021-07-28
    Rated 5 out of 5 by from Radiator paint the looks great Excellent coverage bought 3 cans to paint radiator and aluminum shroud. Only used 2 cans with 3 coats on each. Awesome satin finish
    Date published: 2021-07-27
    Rated 5 out of 5 by from Nice Product Each to use and works very well with my application.
    Date published: 2021-06-13
    Rated 5 out of 5 by from 1959 Bel Air Aluminum Radiator covered in one can I bought this to paint my Aluminum radiator for my 1959 Bel Air with a 6.0 LS motor. I hated the aluminum radiator. I bought one can, I was hoping I would have enough after reading the reviews. I cleaned the radiator with Eastwood prep and coated the entire radiator 1.5 times with just one can. My friends couldn't believe how nice the finish was. It looks like a completely different radiator!
    Date published: 2019-03-18
    Rated 5 out of 5 by from Radiator black paint Easy to use ! Great coverage on aluminum ! Looks great !
    Date published: 2018-06-13
    Rated 5 out of 5 by from Love This Paint! I love this paint! I love how fine the mist is and easy it is to get it deep into the fins of the radiator without "filling" the fins. The spray is so much better than any other paint out there (radiator or not). Much better than the junk at the big box stores.
    Date published: 2018-04-14
    Rated 5 out of 5 by from Easy to use even spray Got this for my honda element new front grill project removed plastic bumper and need every thing to be black behind it Used the paint prep then sprayed​ three coats on rad 30 min in between coats one can was enough looks great
    Date published: 2017-06-14
    Rated 5 out of 5 by from Very good Sprayed just fine, look great!! I would recommend this!
    Date published: 2016-08-27
    Rated 5 out of 5 by from rad One can did it all, 2 coats, still some left in can. Looks original, THANKS
    Date published: 2015-07-21
    Rated 5 out of 5 by from Eastwood Radiator Black Satin Finish I bought this after reading all the positive reviews on different forums.I used this to touch up my worn condenser which took a beating from the elements. I followed the directions on the can and it worked perfectly. The key is good surface prep and multiple, light, even coats every 30 minutes until its covered. I used 5 light coats in all, but my condenser was already painted black before. I also didn't drive anywhere for 24 hours so that it could cure. Covered even and there was no effect in A/C performance. I highly recommend this product to everyone. I used the satin finish and it looks great.
    Date published: 2014-11-04
    Rated 5 out of 5 by from A good value for the price. Replaced engine recently cleaned and pressure tested radiator as a precaution. Applied product with amazing results, one can was more than enough product for my application.
    Date published: 2013-09-20
    Rated 5 out of 5 by from Nice Job Sprayed my new aluminum radiator with this. Went on nice with good coverage. Color is just right.
    Date published: 2013-08-06
    Rated 5 out of 5 by from Radiator Black Gloss Great paint goes on smooth great spray pattern radiator looks new now doesn't effect cooling great for show autos
    Date published: 2013-05-31
    Rated 4 out of 5 by from You don't need two cans, but great otherwise Great product. Went on easily, and looks great. But there is no way you need two cans. I did three coats of the radiator for my MGB and still have about half a can left
    Date published: 2021-08-29
    Rated 4 out of 5 by from Rough matte finish Bought two cans for my Cold Case F-body radiator, it took two cans to get proper coverage using light coats. Prepped the surface by using scotch brite and Eastwood's Pre Painting Prep. Great adhesion with no issues. Not quite satin in my book, more of a matte finish. Actually kind of looks like I rubbed charcoal all over it. It's really black! Finish felt pretty coarse and not very smooth at all. I'm not going to be staring at my radiator or touching it so it's not that big of a deal. I am happy with the results but may consider using a gloss next time.
    Date published: 2017-05-05
    Rated 4 out of 5 by from Coverage. Good coverage, no runs, nice finish. Made my new radiator look like it is a stock one.
    Date published: 2016-07-14
    Rated 4 out of 5 by from It painted my radiator. Black! I was worried at first that one can wouldn't do the job, however I put 3 light coats of this paint on my radiator, and I still have a tiny amount left over. I sprayed it on after I cleaned my aluminum radiator with the Paint-Prep Eastwood can, and it really looks nice! I'm not sure why some of the other reviewers claimed the can clogged. Maybe they failed to flip the can upside-down to clear out any remaining paint in the nozzle, after each use?
    Date published: 2015-07-01
    Rated 4 out of 5 by from Looks Good The satin finish looked great. Exactly what I was looking for. The can however dripped and leaked all over my hands.
    Date published: 2015-06-01
    Rated 4 out of 5 by from Satin Black Finish I painted a new aluminum 55-57 Chevy ECP radiator with one can. I painted three coats with 10 minutes in between on a 70° day. I painted around the edges of the core first and then painted the tanks last to avoid overspray. I had the radiator hanging on a cable that spun so I could good coverage. I have a few spots on the fins that not as dark but that is due to me missing the angles. When painting the fins first you should do it from each angle and side. If not, you will not get the paint inside the fins properly. This is an application issue and not the paint. I am going to have a condenser in front and a shroud in back so I really took my time on the ends. The radiator tank ends look perfect. I did not need to do another application so I did not have any issues.
    Date published: 2014-01-02
    Rated 4 out of 5 by from Worked Fine I actually used this to paint the internals of a dehumidifier that I use in a wood drying kiln. The tannic acid released by oak wreaks havoc on untreated metal. So far I have seen no corrosion on any of the internals after painting.
    Date published: 2013-12-31
    Rated 4 out of 5 by from Good product, flat finish Great coverage and easy to use, but the finish is more flat than satin. I wish I had ordered the glossy.
    Date published: 2013-10-12
    Rated 4 out of 5 by from Radiator is now black I purchased some of this 'Radiator Black' about two weeks ago for a new aluminum radiator and Eastwood has asked me to write a review. I can truthfully say it hasn't come off yet.
    Date published: 2012-06-25
    Date published: 2010-05-19
    Rated 4 out of 5 by from great product for specific application This paint is the best I have used for refinishing radiators during restorations and project vehicles. The thin consistency doesn't clog up the fins, yet it covers well and the sheen mimics original radiator color and texture very well. A must have for the detail oriented person.
    Date published: 2010-01-26
    Rated 3 out of 5 by from Nozzle needs improvement I used this to coat the front of my new intercooler last week. The paint itself is not bad. Be aware you must apply 3 to 5 coats for complete coverage. But the real let down is the spray nozzle and the lack of instructions. The nozzle spits and dribbles. On the first one or two passes, paint will dribble on to the work piece, necessitating enough coats to hide them. Paint will also dribble down the nozzle and onto your finger. Be sure to wear a nitrile glove. The can also omits how much time to wait between recoats and doesn't give drying time. Nor does it provide clean up instructions. I found lacquer thinner works ok, as does xylene. I didn't try acetone, but that might work too.
    Date published: 2015-12-09
    Rated 3 out of 5 by from Good product - lousy directions My main complaint about the product is the sketchy. directions. "Two light applications, with drying time in between..." OK, so what is "drying time"? Five minutes? Two weeks? Something in-between? I guessed (wrong, apparently) at something like an hour. It actually took 3 coats to completely cover and the resulting surface is a wrinkle-finish like some people like on their valve covers, etc. Not bad, but not what I wanted or expected. I don't know why Eastwood can't post a PDF file with COMPLETE directions for each product on their web server. If I had another radiator to do, I would use this product on the core area only, and use engine paint on the tanks, frame, etc.
    Date published: 2013-08-21
    Rated 3 out of 5 by from Radiator is still black I purchased some 'Radiator Black' a couple of weeks ago and Eastwood has requested i give a review.It went on easy. It's not tacky like what you get from a radiator shop. It covers well. Although it's only been a couple of weeks, it's still black.
    Date published: 2012-06-25
    Rated 2 out of 5 by from Nice Finish. Dont try to touch up! Coated my new cold case radiator and fan shroud. Looked real nice. While installing the fan shroud I scratched an area with my pop rivet gun. Went to touch up the area and the existing paint wrinkled. I figured after 4 days it would be cured enough. Now I am told I have to strip the whole thing and recoat. Not very happy with that.
    Date published: 2022-02-08
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    Questions & Answers

    Can this product be used on Air to Air intercoolers ?

    Asked by: JDELUNA
    This product has a Temperature rating of 300 degrees. The Temperature of most Air to Air intercoolers would be around 140 degrees.
    Answered by: Bob G
    Date published: 2018-11-16

    Is this the correct Paint for the support radiator metal cover on a 1981 camaro z28 5.0 liter. This is a show car so I need the correct shade and color. Thank you!

    Asked by: Thomas
    Unfortunately this we can not verify. We sell generic shade options and can not match or cross reference to any specific make models or years. We apologize for the inconvenience.
    Answered by: Kelly H
    Date published: 2021-11-21

    Brand new radiator shiny glossy paint of unknown quality, metal fins copper tank under paint. How do I prep this radiator before spraying with radiator black satin? How long between coats?

    Asked by: KevinC
    You will need to scuff all the existing paint with a maroon scuff pad to ensure a good mechanical bond for your next paint. Then in an inconspicuous area test the new paint for any reaction to the old paint prior to moving on.
    Answered by: S Church
    Date published: 2017-08-29

    Can you use this to paint your tri-flow aluminum radiators?

    Asked by: bowlingbrad
    This product will work fine on our tri-flow radiators.
    Answered by: SWhitehurst
    Date published: 2017-07-20

    What prep is needed before putting down this product? Are there other products that should be purchased at the same time?

    Asked by: Auto Restoration N More
    You want to scuff the radiator with a red scuff pad. Then you can mist a coat of self etch primer on to enhance adhesion. Now you are ready for paint.
    Answered by: S Church
    Date published: 2021-11-21
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    Eastwood Radiator Black 12oz Satin Finish
    In Stock