Injectors must come from a reputable source. Our list of trusted suppliers can be obtained by emailing us.
- We won’t support injectors purchased from eBay, Amazon, Ali Express, Temu, or similar sites.
- Modified injectors need to come with a detailed flow report – This means more than just a pass fail and a flow number. 550cc injectors should be unmodified Bosch.
- Anything over 1000cc needs to come from Fuel Injector Clinic, DeatschWerks, or Injector Dynamics. We offer Fuel Injector Clinic and DeatschWerks.
- If your injectors do not come from one of our trusted suppliers and appear to be well outside normal levels of variance, you may need to have them tested at your expense from one of our listed testers or purchase injectors from a trusted source. We can have them tested for you and can bill you at cost, which in some cases may be less expensive than retail testing.
- Siemens 630cc injectors need to be indexed when they are installed. They are not ideal in terms of spray pattern, but they are workable.
- 2.0TFSI EA113 injectors should be genuine/OEM parts. We’re starting to see cheap versions of injectors creep onto the market. There are some modified European brands we support, again, get in touch and we’ll discuss.
Critical sensors should not come from the sites above. Save money on intercoolers and even turbos, but fuel components and sensors should come from reputable sources. We also wouldn’t trust $300.00 DSG replacements from the site that ships in smiley-faced boxes.
The longer version: this wasn’t something we wanted to implement but since 2020 the injector market has been a mess. The major “all things retail” sites listed above don’t really vet quality or reviews, so the number of scams has gone up exponentially. We’ve had clients test “550cc” injectors that flowed less than OEM injectors, we’ve seen supposedly flow matched injectors come in with a 29% variance. We had to fire a modifier that supplied a lot of other retailers. This has been affecting more than just auto parts. Counterfeits and poor refurbs are not always easy to spot.
To show that we’re not just trying to get you to purchase injectors from us, (though it makes it easier when you do), we have a list of trusted suppliers. Most (not all), of the major Euro parts retailers are on the list, so are some competitors, and so are some other retailers like USRT. We will happily send it to you on request. It does change from time to time, not because we think retailers are up to anything shady, but if we see a bad batch of injectors, we take that supplier off the list until we’re sure a change has been made. For testing, if you know a tester that has an ASNU machine and tests latency in addition to flow, we are happy to check them out. Bench top testers are not really sufficient unless you are just cleaning and testing quality injectors.
At 20 years old, we expect that cars will fuel differently, however, when we see injectors abnormally out of spec using settings that have worked for over a decade, that’s a pretty good indicator something is wrong with the injectors. Note that Bosch has not sold 630cc injectors in the US for a number of years. Unless you are in Europe or Australia, they are suspect unless purchased used from someone you trust not to be unloading questionable parts.
We want you to have the freedom to decide what parts go on your car, we have done budget builds on some of our own cars, but some parts are just too important to skimp on. Companies like Bosch and Deatschwerks have minimum pricing requirements for authorized resellers, if you’re seeing a price that looks too good to be true, it likely is. Sub-par injectors and sensors increase tuning time and cost, and worse, can destroy your engine.