The crush washer is the same for different brands of injectors; it's specific to the head that the injectors are going into. You can get them from FastLane (click "Buy Parts" at the top of the page). They support the forum so we try to support them.

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970