Monarks are simply higher quality. You get your money's worth with the European nozzles. Your diesel will be very happy with Bosios or Monarks. Not so much with those Bosch things.

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.