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EV1 vs EV6 (USCAR) fuel injector connectors
Swapping injectors between generations is mostly a connector question. Here is how to tell the two common Bosch-style plugs apart.
| Plug | Also called | How it is retained | Usually on |
|---|---|---|---|
| EV1 | Jetronic, Minitimer | Separate steel wire spring clip, wide rectangular housing | EV1 injectors, many 1980s–90s EFI engines |
| USCAR | “EV6 connector” | Molded press-down plastic latch, compact square housing | EV6 and EV14 injectors, modern aftermarket injectors |
How to identify yours
- Check how the plug is retained. A separate steel wire spring clip over a wide rectangular housing is the EV1 / Jetronic (Minitimer) plug. A molded plastic latch you squeeze on a compact, nearly square housing is USCAR.
- Read the injector part number. The plug does not prove the injector body. Confirm EV1, EV6 or EV14 from the part number on the body.
- Match the harness to the injector. If your harness and injector use different plugs, bridge them with the matching adapter or pigtail lead.
Need a lead? See injector pigtail lead lengths. Full rebuild guides: EV1 vs USCAR connectors, EV1 rebuild, EV6 & EV14 rebuild on injectortool.com.
Parts for this job
- Injector Micro-Filter Removal Tool — tool only $13.99, or with 4, 8, 12, 24 or 50 filters ($14.49–$20.99), secure PayPal checkout.
- BMW injector repair kits — M20, M50, M52, M54, M62, S14, S52, S54, S62, $13.49–$16.49.
- Retaining clips — 61001–61005, 4-pack $12.49 or single $11.99.
- Universal EV1 Rebuild Kit — 200 injectors + 1 removal tool in the box, $63.99 on injectortool.com (free US shipping).
- Micro-filter basket removal tool — tool only or with 4 to 50 filters on injectortool.com (free US shipping).
- Injector rebuild kit fitment by part number on injectortool.com.
Our kits on eBay
- Rebuild kit for VW Golf / Jetta / Audi 80 — 4pc, Bosch EV1 0280155842
- Rebuild kit for Volvo S60 / V70 / XC90 2.4T 2.5T — 5pc, EV6 0280155831
- Rebuild kit for German cars, EV6 / EV14 FKM O-rings, optional filter tool
- 6x universal rebuild kit — Bosch EV1 / EV6 / EV14
FAQ
Is the EV6 connector the same as USCAR?
The plug commonly called the “EV6 connector” is the USCAR connector. EV6 and EV14 injectors usually use it, but some EV6 bodies were fitted with the older Jetronic plug.
What does the EV1 connector look like?
A wide rectangular housing with two round pin cavities, held on by a separate steel wire spring clip.
Which connectors do you sell?
Connectors and pigtails are not listed on partsapiens.com right now. Contact us if you need one.
Sources
- Boost Lab — Fuel Injector Connector Guide
- Snake Eater Performance — EV1, EV6, and EV14 Fuel Injectors: What’s the Difference? (Apr 2026)
Product facts and prices come from our own store pages and listings. Identification notes are summarised from the sources listed.
Last updated October 1, 2026 · Partsapiens · partsapiens@gmail.com