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🛠️ Protect your powertrain with precision—because every micron counts!
The AEM 30-3003 Water/Methanol Injection Filter is a high-performance inline filter designed to protect your engine and pump by filtering particles as small as 40 microns. Featuring a rugged polypropylene housing compatible with high methanol concentrations, it installs in under a minute and supports flow rates up to 43 GPM. Fully serviceable and reusable, this filter ensures long-term reliability and optimal water/methanol injection system performance.
| ASIN | B0032W3KH8 |
| Best Sellers Rank | #679,090 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Performance Fuel Injectors & Parts #5,339 in Automotive Replacement Fuel Injection Products #8,176 in Automotive Replacement Air Filters |
| Brand | AEM |
| Customer Reviews | 4.5 4.5 out of 5 stars (151) |
| Date First Available | January 5, 2010 |
| Exterior | Painted |
| Item Weight | 3.17 ounces |
| Item model number | 30-3003 |
| Manufacturer | AEM |
| Manufacturer Part Number | 303003 |
| Model | AEM 303003 |
| OEM Part Number | 30-3003 |
| Product Dimensions | 5.91 x 3.94 x 1.97 inches |
| Safety Rating | NSF |
D**V
Awesome filter, easily serviceable
Not sure what other reviewers were expecting, it's a great product! I don't have a filtered bulkhead, nor a filter anywhere in my methanol system. I run ~33 gpm of methanol as my extra fueling in a turbo application. I got a piece of debris stuck in my injector nozzle and it tried to take my motor out running it lean for a brief second. This is a coarse 40 micron filter that would have caught that debris, but it's not such a fine filter that it will impede flow for a high flow application. I've read it's good to flow up to 43 gpm of methanol. It fits snugly in the housing. My filter did not have the AEM logo anywhere on it, nor any logo. Just solid black, which is fine, nobody sponsored me, I don't care to sponsor anyone.
H**R
Perfect For Water Methanol Injection
So glad I installed this just before my injectors! Before using this I had no idea so much sediment was traveling through the pump and into the engine. Everything about this is simple; installation, checking, and cleaning. The cap simply screws off so you can take it to a sink for rinsing. Most of the sediment gets captured in the part that stays inline but a squirt from a water hose, carb cleaner, WD-40, or even just running the water injection will quickly wash out the sediment. And it attaches with push-lock connectors so if you want to pull the entire assembly, it is quick and easy. This has been installed on a daily driver with a modified 12 valve Cummins for about a year through ambient temperatures ranging by about 100 degrees F. There have never been any leaks. For a while I noticed my water injection was still coming on under boost but hardly using any water. Sure enough, this filter was clogged with mud. After quickly cleaning the filter the water methanol was working again as it should. This is a must have. I ordered in 2018 and received this filter just as it is advertised.
R**F
Great methanol filter
Installed on an existing system on a Diesel so fittings were worthless for me, a nice option would have been no fittings or different choices
J**E
Five Stars
showed up as expected and functions like it should...
B**O
Just right size
Just installed so looks like good quality
Z**H
Very poor quality product
Very poor quality product, not as pictured. It did not have built in push to connect fittings as in the photos
J**S
Five Stars
Works great
L**.
Very good and replaces Active Autowerke valve from their kit.
Solved te problem I had with another old valve from Active Autowerke. Much better.
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