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Solder-It (CAT-1) Catalytic Converter Cleaner - 16 oz.

3.4 out of 5 stars 140 customer reviews
| 12 answered questions

Price: $11.99 & FREE Shipping on orders over $49. Details
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Ships from and sold by Amazon.com.
16 Ounce
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  • Helps eliminate "rotten egg" odor
  • May help in passing emissions control test!
  • Helps clean oxygen sensor
  • Extends time between tune-ups
6 new from $9.01
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

$11.99 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Solder-It (CAT-1) Catalytic Converter Cleaner - 16 oz.
  • +
  • CRC 05063 Guaranteed To Pass Emissions Test Formula - 12 Fl Oz.
  • +
  • Cataclean 450ml Engine and Catalytic Converter Cleaning Treatment
Total price: $46.45
Buy the selected items together


Product Information

Size:16 Ounce

Technical Details

Brand Solder-It
Model CAT-1
Item Weight 1 pounds
Product Dimensions 8 x 2.6 x 2.5 inches
Item model number CAT-1
Manufacturer Part Number CAT-1
Folding No
Vehicle Service Type all-terrain-vehicles, utility-vehicles, street-sport-motorcycles, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles, street-motor-scooters, snowmobiles, marine-personal-craft

Additional Information

ASIN B000BUR9O4
Customer Reviews
3.4 out of 5 stars 140 customer reviews

3.4 out of 5 stars
Best Sellers Rank #6,461 in Automotive (See top 100)
#1 in Automotive > Motorcycle & ATV > Fluids & Maintenance > Cleaners > Parts Cleaners
#479 in Automotive > Oils & Fluids
Shipping Weight 1 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available July 20, 2005

Warranty & Support

Warranty, Parts:Parts

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Product Description

Size: 16 Ounce

Catalytic Converter Cleaner and Deodorizer that helps eliminate offensive rotten egg odor. A gas additive that may help in passing emissions control test. For use with all catalytic converters monolithic and pelletized types. Extends time between tune-ups.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 16 Ounce Verified Purchase
I have a 2002 Honda CRV and this is the first time it failed the smog test due to "Check Engine" light lit up. In California, there is no after-market for a Catalytic Converter for my car model so I had an estimate for a CAT replacement. I almost fainted when the mechanic called me back with an estimate of $1,700 including tax and labor. I tried many different products that I could find from a local auto part store with no luck and then I found this on Amazon....read the review and decided to give it a try. I bought 4 cans (just in case) and waited until the gas tank has just about 2-3 gallons of gas left, emptied the entire can and drove for 10 miles in city with "Overdrive Off" and then hit the freeway for another 30 miles or so......The "Check Engine" light magically disappeared just before I got back home. I then pumped just another 4 gallons of gas and emptied a second can into the gas tank....Drove for another 100 miles and the light never came back on...........This stuff really worked!!! (even on a car with 270K miles on it)

BTW: Only used super-unleaded (91 Octane) during the entire experiment (recommended by a mechanic). You should try this before spending hundreds or even thousands of dollar on a new CAT.
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Size: 16 Ounce Verified Purchase
This stuff works great. I had to buy Two can though, the first one I used as directed with a 1/4 tank of gas and poured the whole can in. I then reset the cat code and drove the car until it was empty and filled it up with super. even thought the light came right back on I did notice a difference in the performance of the car. I then took the second hook it up to a vacuum line and let it suck up about 1/3 of the can (per the direction on the can) then I let it set for about 30 minutes, and then I put the rest of the can in the gas tank. Its been about a month now and still no light and the car definitely has more power and better gas millage.
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Size: 16 Ounce
I had a Fiat that failed due to emissions. The examiner told me to buy this product, put it in a low filled tank and run it for 20 miles prior to a retest. Did this and it passed easily. Great cheap investment.
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Size: 16 Ounce
To the people complaining it didn't work and giving it one star. Most of you are clearly don't understand what this product is for. If you have a 1 year old catalytic converter in your car, then something is wrong with your engine management or you are burning oil. If your engine is burning oil, or if the cat has lost the platinum, palladium, and rhodium that covers the ceramic honeycomb inside then this won't fix it. This only fixes dirty converters, if the catalyst is missing inside, it's not going to work. Also, if the light goes off and then comes back on, again, your car probably runs horribly and you don't even realize it. Catalytic converters don't generally fail on most vehicles unless something is wrong with your car, you're probably just trying to fix the symptom. So, if you clean the oil/carbon out of the converter, but your engine still runs like crap it's just going to get dirty again and not catalyze. This is a last ditch effort at not replacing the cat.
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Size: 16 Ounce Verified Purchase
I am very pleased with this product. The check engine light of my Equinox had been on for several months and the dealer recommended replacing the catalytic converter. This was to quoted to cost between $1500 - 1800 and was not covered by the vehicle warranty. One of the mechanics recommended trying any of the cleaners and I ordered this product. While I waited for it to arrive, I bought a cataclean brand and used it on a trip but the light remained. Eventually when this product arrived, I used it as directed by applying it to about 1/8th fuel level and drove till empty. I seemed to notice a smooth engine response and I was pleasantly surprised that the engine light disappeared immediately after I refilled my tank. For $10, I must say I am very impressed! I will recommend you try this before even other expensive cleaners!
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Size: 16 Ounce Verified Purchase
I've used this on a car that had the rotten egg smell and it cleaned up nicely. I used it on a car with no smell but a engine code indicating a low efficiency catalytic converter and it didn't work. For the price versus the cost of replacing the cat, it's worth a shot.
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Size: 16 Ounce Verified Purchase
All I can say is that this suff worked and it worked rather fast. My 1999 Honda Accord w/ 106,000 miles had its CEL come on. Autozone coded it as either an oxygen sensor or catalytic converter fault. With inspection looming, I did not want to throw money at this problem. One can into the gas tank of this product resulted in the light going off, and, more importantly, staying off.
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Size: 16 Ounce Verified Purchase
this product seems to help get rid of unwanted engine light codes ,where engine is basically OK works as expected
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