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  #1  
Old 01-09-2009, 05:02 AM
JWJ JWJ is offline
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Join Date: Sep 2005
Location: Raleigh, North Carolina
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Differential for unknown instrument cluster

I have a spare instrument cluster from an unknown w123. It looks the same as in my '83 and '85.

How do I identify what differential matches with this instrument cluster speedo?

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JWJ
1983 MB 300D - > 430,000 miles - Deep Blue - Bilstein Comforts - 0-60 in 24 seconds - 27MPG
1985 MB 300TD (wagon) - > 275,000 miles - Manila Beige - Thule rack - 0-60 in 18 seconds - 22 - 25MPG
Biodiesel, Mobil Delvac 1, and Viton fuel lines!
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  #2  
Old 01-09-2009, 06:58 AM
JimFreeh's Avatar
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Most of the IPs I've had will have a date of manufacture stamped on each of the 3 instruments on the back side of the board.

Jim
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  #3  
Old 01-09-2009, 07:44 AM
t walgamuth's Avatar
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Location: Lafayette Indiana
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Look at your max rpm hash marks and determine if possible if its a diesel or not and that along with the date should allow us to compare with our speedos and help you determine what ratio it is.
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  #4  
Old 01-09-2009, 09:08 AM
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the speedo should have a part # on it. post it here, and other's can post theirs and compare!

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