Seriously, how important are these things? I broke almost all of them taking the injectors out for nozzle replacement and pop testing.

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'92 300D 2.5
'99 E300TD

I am not sure what you are speaking of. How about some pictures?

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84 300D, 82 Volvo 244Gl Diesel

A member stated that Mercedes does not offer them. Only purpose I see is to keep dirt out of the head injector recess.

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Present
1987 300SDL
1991 300SL
1990 560SEL
2001 ML320

Past
1969 200D 1979-82
1983 300SD 1984-85
1972 250C 1982-02
1995 S350 2011
1997 S320 2012

This isn't true, the part number is 6010170150 and list is $2.40. Don't know why you'd want to buy them, but you could.

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68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500

Nissan GTR - Nissan Skyline GTS25T - Toyota GTFour - Rover Mini - Toyota Land Cruiser HJ60 - Cadillac Eldorado - BMW E30 - BMW 135i

I was told they were NLA by my mechanic but it seems I was wrong. What I suggest to the OP is that you leave the injectors out and move everything away from the top of the engine then crank it over a few times, it'll blow out any crud that fell down into the engine.

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Current: 1975 450SEL, 83 300D, 88 Yugo GVX, 90 300D OM603 swap, 91 F150 4.6 4v swap, 93 190E Sportline LE 3.0L M104 swap, 93 190E Sportline LE Megasquirt, 03 Sprinter, 06 E500 4Matic wagon.

I've had a lot of 60X motors some with them some without and the only thing I could possibly see is that they keep crud out of the prechambers around the injector.

As far as I know they are only on cars with inclined injection.

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68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500

Nissan GTR - Nissan Skyline GTS25T - Toyota GTFour - Rover Mini - Toyota Land Cruiser HJ60 - Cadillac Eldorado - BMW E30 - BMW 135i

this is the amount of crap, mostly sand, that was around the injector hole after removing the injector and plastic thingie. all of them were this bad. i had to use a shop vac to suck all that crud out of there to keep it from falling in.

the plastic thingies did not go back on as all but one are in pieces.

Attached Thumbnails

   

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'92 300D 2.5
'99 E300TD

They're made to crumble apart so you can have official OE crud in the pre-chamber area. At least that's what I've noted.

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http://i284.photobucket.com/albums/l...aman/Fleet.jpg

Peach Parts W124.128 User Group.

80 280SL
85 300SD
87 300TD
92 300D 2.5 Turbo
92 300TE 4Matic

Does anyone have any spares? I need two at least…