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Old 04-07-2010, 10:26 AM
dieseldan44's Avatar
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Join Date: Nov 2006
Location: Boston
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Old style housing PN which is stamped on the casting (as in photo above):
615 092 01 08

New style housing PN (# in same spot):
615 092 02 08 <- only the '02' is different

That'll make your junkyard search easy. After 1 minute of looking, you will be able to spot them ten feet away because the new style has a bigger bolt

alas, the subtleties of really getting to know these cars...
'85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit)
'82 300D, 'Tex', 228k body / 170k engine ... summer car
'83 300TD Cali Wagon 210k, wife's car
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Old 04-07-2010, 12:06 PM
toomany MBZ's Avatar
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Location: central Va
Posts: 7,820
Originally Posted by byronnash View Post
I've been trying to pinpoint the leak. I found a crush washer that is the right size for the 17mm bolt on the top of the housing. What is that smaller braided hose for? It seems to be leaking from both ends. Does it go to the injectors? I'm still learning where everything is in the engine.
Yes, that is the same stuff, available by the foot or meter, that "jumps" between the injectors.
The last one has a plug in the end.
It is a routine replacement item, they just push on and pull off. You have a hard time removing the old ones, be careful to not nick the nipples on the injectors. When putting on new lines, I dip the ends in oil to facilitate installation.
Attached Thumbnails
Leaking diesel around the secondary filter 1984 300TD W123-jumper-lines-001.jpg   Leaking diesel around the secondary filter 1984 300TD W123-jumper-lines-002.jpg   Leaking diesel around the secondary filter 1984 300TD W123-jumper-lines-003.jpg   Leaking diesel around the secondary filter 1984 300TD W123-injector-jumper-line-cropped.jpg  
83 SD

84 CD
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Old 04-07-2010, 12:27 PM
sd300td's Avatar
Join Date: Jul 2007
Location: San Diego
Posts: 1,115
O ring

No one mentioned it, but the old style filter bolt that uses the crush washer also has a single o-ring on its shaft. You will need to replace this o-ring as well. The crush washer can generally be used 2x by flipping it over after the first filter change.
1982 240 D, 308,000 - 321,127 miles (sold)
1982 300 TD,166,500 - 226,000 miles
1998 E 320, 120,000 - 144,000 miles
2005 C 230 K, 26,000 - 77,000 miles (sold)
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