SKU: 19139326541

CorrosionX Heavy Duty 12oz

Sale price$20.69 Regular price$22.99
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  • USA
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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19

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Description

CorrosionX Heavy Duty 12ozDescription CorrosionX Heavy Duty (also widely known as CorrosionX HD) is a high performance thickened film version of CorrosionX. It was developed specifically to provide maximum protection against moisture intrusion and the resulting rust and corrosion. CorrosionX Heavy Duty is dripless and resists displacement or removal by splash, rain, seawater or even pressure washing. It is ideal for long term protection against serious rust and corrosion

Description

CorrosionX® Heavy Duty (also widely known as CorrosionX HD) is a high performance thickened-film version of CorrosionX®. It was developed specifically to provide maximum protection against moisture intrusion and the resulting rust and corrosion.

CorrosionX Heavy Duty is dripless and resists displacement or removal by splash, rain, seawater or even pressure washing. It is ideal for long-term protection against serious rust and corrosion assault and in situations where the surface being protected is exposed directly to the elements. Unlike wax-based corrosion inhibitor barrier coatings, CorrosionX HD will not dry, harden or crack. The coating is self-healing and will slowly penetrate existing rust and corrosion, displacing moisture and corrosion-causing electrolytes.

Features

  • Extreme protection for exposed metal in the most challenging conditions, such as marine, industrial and agricultural applications
  • Long-term water and weather resistance
  • Dripless
  • Tenaciously resists water displacement and washout
  • Will not dry, harden or crack
  • Actively prevents electrolysis and galvanic corrosion
  • Self-healing, resilient film

For those really tough jobs where you need the ultimate protection against moisture, the answer is CorrosionX Heavy Duty. There is no other product like it on the market today. Pretreat fittings for easy dismantling even years later! Recommended for use on boat trailers by Field and Stream magazine.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 19139326541

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4.2 ★★★★★
Based on 20 reviews
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Verified Purchase
Patrick "Pat" Bickel
Lake Worth, US
★★★★★ 5
THE cabin air filter to use!
Size: 9.6" x 11.1" x 2.2"
I replaced the OEM cabin air filter when I bought my truck, like I always do. 2019 & 2020 Ram 1500's suffer from an underperforming AC system in the summer due to a blend door in the dash not closing completely. Having any kind of restrictive cabin air filter only exacerbates the problem. I bought this filter on the recommendation of many owners who had done the same with great results. I was presently surprised at the increase in air flow coming out of the vents. I also like that in K7N fashion, it is washable and reusable, effectively making it a lifetime filter. Don't overthink it. Yes it costs more, but you will save $$ in the long run with this filter. I am sure this filter fits many other makes & models of vehicles and will improve the airflow of any vehicle it is installed in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2024
R
Verified Purchase
Rhiannon
Carnegie, US
★★★★★ 5
Easy to install and fits great
Size: 9.6" x 11.1" x 2.2"
Fits great and seems better quality than any paper filter. Nice rubber edge makes a good seal and the airflow is good. Used in a 2023 Ram 3500. Installation was easy. So far it appears to filter out all the dust and odors.
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Reviewed in the United States on December 16, 2025
K
Verified Purchase
Kat L.
West Palm Beach, US
★★★★★ 5
Best replacement filter
Size: 9.6" x 11.1" x 2.2"
Great quality replacement for factory filter, fits snug, very easy installation, and the performance is on par.
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Reviewed in the United States on February 11, 2026
P
Verified Purchase
Pam Volden
Fort Morgan, US
★★★★★ 5
Best air flow
Size: 9.6" x 11.1" x 2.2"
I have a 2022 ram 1500 four-door. The factory filter from the ram dealer is about $40 but it’s not reusable. That was the only one I found that had good airflow into the cabin. I tried several other brands but the airflow was reduced excessively. The ram filter was 15 mph, most of the other aftermarkets dropped the airflow to about 9 mph. I just installed a K&N reusable filter and the airflow is back up to 15 mph. Great job K&N!!
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Reviewed in the United States on March 27, 2026
C
Verified Purchase
CRF Ken
Cuba, US
★★★★★ 5
Fits Well and Reusable. I'm Happy.
Size: 9.6" x 11.1" x 2.2", Size: 9.6" x 11.1" x 2.2"
For less than the price of 2 disposable FRAM CV11671 cabin filters for my 2019 RAM 1500 and this will last forever. If it gets wet, like I've had happen with the paper throw-away filters due to stuff falling off trees in the spring and clogging cowl area water drains and backing up into filter ( yeah, that's a thing ) and can clean and dry this filter and reuse. Great directions came in the box along with a sticker to point out that this is a lifetime filter so someone doesn't throw it away. Do this yourself. Don't let some auto repair shop talk you into it. I was getting tires balanced recently and heard a quote they gave over the phone of $79 to do this. I don't know what kind of vehicle that was for but this ain't rocket science. Don't get ripped off. Now back to this filter. There is no arrow for air flow so I figure it flows well both ways and just put it in with the K and N logo right side up and facing out. It's not a straight in shot the way RAM positioned the opening for the cabin filter slot but was no big deal. Also realize this isn't a perfect square filter ...It's a rectangle so don't try to shove the fat end in and say it doesn't fit. I haven't noticed any air flow differences with the heating / ac system but some people say they do. I'm just happy I don't have to buy anymore disposable filters and can dry this if it gets wet. The cleaning and refresh spray kit is #99-6000 that comes with a 8oz and 12oz bottle and I'm trying to find that cheaper somewhere for when I do clean this thing.
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Reviewed in the United States on November 20, 2025

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