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Bosch 04170 Ignition Rotor Review

3

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Very good

Revainrating 4.5 out of 5  
Rating 
4.3
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of Bosch 04170 Ignition Rotor

Precision-machined contacts provide the correct gap for accurate spark delivery. Superior surface finish prevents dirt and moisture build-up while resisting carbon tracking for long life. Finely-tooled metal mounting sleeve for a precise fit. Meets or exceeds OEM specifications. Guaranteed fit and function.

Reviews

Global ratings 3
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  • 4
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  • 3
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  • 1
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Type of review

Revainrating 5 out of 5

Don't forget a new cap.

Fits and works great. It still looks and functions the same as the originals from 20 years ago. I use this on my MKIII vw 2.0. I will be purchasing them through Amazon during setup as my local parts store charges double the price for a fake. I work on friends' cars from time to time and insist on replacing the cap, rotor and cables if they don't know when they will or if they will ever be installed. spark plugs your engine will not run well.

Pros
  • Ignition parts
Cons
  • Nothing

Revainrating 3 out of 5

BOSCH Correct Part Numbers

Folks, in general BOSCH has gotten a bit sloppy and sloppy when it comes to sticking to the correct part numbers. For example, I used a specific spark plug and it worked fine. When I contacted BOSCH they said it was the wrong spark plug while other reputable parts suppliers said it was correct. The thing about this rotor is the size of the shaft. The Bosch 04170 ignition rotor has a 10mm shaft and the Bosch 04038 ignition rotor has a 14mm shaft. Oh no! disassembled ignition and find that the…

Pros
  • Rotors
Cons
  • I'll add later

Revainrating 5 out of 5

even to the point where I tried taking the spray bottle off the bottle and pouring the water directly onto the parts in question (I do this

Bought for a mother in law '98 VW Jetta, which was throwing misfire codes for multiple cylinders. Before investing in an ignition coil, which many forums have cited as a common fault, I took a airbrush and sprayed the coil, cover, wires, and top of the engine to see if I had any Problems had feelings from the running car as it could not continue to function while driving in several downpours Unfortunately I didn't get any boost from the car during this test, even to the point where I tried to…

Pros
  • Manifolds and parts
Cons
  • Legacy model