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🧽 Clean engines, clear conscience—get the Gunk that pros trust!
Gunk 733 Engine Degreaser Brush On 1L is a professional-grade liquid degreaser designed for precision cleaning of engines and machinery. Its brush-on formula ensures targeted application on vertical and complex surfaces, effectively removing grease, oil, and grime. Backed by over 50 years of industry trust, this versatile cleaner is perfect for automotive, marine, and garden equipment, delivering powerful results while maintaining environmental responsibility.





| ASIN | B0041SZNVI |
| Best Sellers Rank | 5,577 in Automotive ( See Top 100 in Automotive ) 13 in Engine Degreasers |
| Brand | Gunk |
| Brand Name | Gunk |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.6 out of 5 stars 565 Reviews |
| Global Trade Identification Number | 05020618067337 |
| Item Form | Liquid |
| Item Volume | 1 Litres |
| Item Weight | 0.99 Pounds |
| Item form | Liquid |
| Item volume | 1 Litres |
| Manufacturer | GUNK |
| Model Number | GK6733 |
| Number of Items | 1 |
| Part Number | GK6733 |
| Scent | Unscented |
| Size | 1 l (Pack of 1) |
| Specific Uses For Product | car, motor |
| Specific uses for product | car, motor |
| Surface Recommendation | Metal |
| Unit Count | 1000.0 millilitre |
| Unit count | 1000.0 millilitre |
A**R
ok
Good but its different to what it used to be - still does a faire job though
D**N
It's Gunk. It works...
Does what it says on the tin.
J**D
Gets rid of gunk
Great stuff, strong enough to clean up the parts on my 1970 fiat 500, smells amazing and easy to use. Huge tin, so good value will last ages for soaking parts
S**D
Easy to use
a V Good cleaner if you know how.
J**N
Does why it says on the tin
Easy to brush on and Made light work of 25 years of oil build up. Definitely more expensive than it used to be but a 1l tin goes a long way. It washed off easily with soapy water leaving a mostly clean surface. I could have gone further but I’m just trying to remove the excess oil after fixing an oil leak. Thankfully it doesn’t smell as strong as I remember. I was worried about using it in the garage as it’s attached to the house but no issues here. Compatible with aluminium engines unlike the non solvent based degreasers.
J**L
Quality
Just as described
G**S
Good results
Works well, but I am sure they have changed it from years ago as it takes more effort than it used to. Probably some new rules of what you can put in it. But still gives a good result.
C**T
Three Stars
does remove most engine crap but is not the strongest or the best imho.
Trustpilot
3 weeks ago
1 day ago