it comes with a brass washer and a sleeve/adaptor, sleeve has no flat edges..? is..

do i ream the sleeve into the part on the block then put the pump on or...

ream it on holding the sides of the new pump, sleeve and pump togeather same time

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1985 300D - 599,xxxk - blue interior #265 Monark Nozzle, AL129X, 15" Ronals, Gen II Big Brakes hunting
1985 300D - 491,xxxk - in prog-{A-A IC, 3" exhaust, psi\pyro, 28*BTDC, Hella Euros, IP Limiter removal
1985 300TD - 783,xxxk - parts car,used new engine with ALDA cap inplace
1987 Kenworth T-600 8LL 425 CAT Mech. - 6,000,000+k - DEI exhaust wrap, punched through resonators, 1 recent rebuild,

1985,

When I replaced the primer pump on my '80 300SD, nothing had to be modified. It screwed right into where to old pump came out.

P E H

I replaced five, remove the old, screw in the new.

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83 SD

84 CD

It has been a while now, but I believe the adapter/sleeve is not used. The pump will thread directly into the place where the old one came out.

Ken300D

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1982 300D at 351K miles
1984 300SD at 217K miles
1987 300D at 370K miles