I need new pistons for my diesel OM621.915 engine. I am not having much luck- can anyone help please? Thanks Paul

what car is that engine in? or what did the engine come out of? Pelican parts up top should be able to source pistons...

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

It is from a L319 diesel truck. Basically a two liter 4 cylinder diesel. 87mm cylinders are original size.

I meant to add that pelican does not have these pistons. Paul

I don't know anything about this Engine but I remember when I was in Trade School (about 1975) on a Mercedes Engine they found that the Pistons measured out as still serviceable.
They bored out the Block and pressed in generic Sleeves (there is catalogs with different size automotive Sleeves and Sleeve materials).
I can't remember but I am guessing they used Sleeves with a Flange/Lip on the top.
At that time oversized Pistons were available but were too costly for the Owner so they bored, and sleeved it, and bored it again to the Standard Bore

This is the same as they used to do with Gasoline Engines when the Block was already past the last oversize; sleeve back to standard size and start over.

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84 300D, 82 Volvo 244Gl Diesel

These are the same pistons as either the 190D or the 200D of the 1960s. Check the specs.

OM 621 is the diesel for the 180Dc, the 190D (all) 200D.

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Strelnik
Invest in America: Buy a Congressman!

1950 170SD
1951 Citroen 11BN
1953 Citroen 11BNF limo
1953 220a project
1959 180D
1960 190D
1960 Borgward Isabella TS 2dr
1983 240D daily driver
1983 380SL
1990 350SDL daily driver alt
3 x Citroen DS21M, down from 5
3 x Citroen 2CV, down from 6