I have read , but now can not find it, about some kind of good and bad kind of A/C compressor for my 85' 300D. Can someone help me out with this, I plan to pick one up today.

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1985 300D burning WVO using 26 FPHE, half gallon heated fuel filter,glow plug heater,home made injection line heaters. Home made cold air induction. ALDA full out.
2003 F350 7.3(the last of the great motors)
1987 Paint Horse-non running too, just walks!

MAke sure it has a good warranty, like a year or more, and that the ports on tha back are not stepped. They should be evenly flat. I bought a re-man from O'Reilly last year. Has a one year warranty.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K

It uses an R4 style compressor. Usually it was fited to GM cars. The replacement in mine I put in last year is a Delphi.

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Adam Lumsden
(83) 300D
Vice-President of the MBCA International Stars Section

Here's new FWIW

http://www.ackits.net/merchant2/merchant.mvc?Screen=PROD&Store_Code=AMA&Product_Code=15-20206

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

Performance Products sells new OEM AC compressors....if you read their warranty info.....if you purchase an AC compressor, and an Expansion Valve, and a Receiver Drier from them at the same time....they will warranty theirs for 2 years......I think the total of all parts is $310.00 the last time I looked.....a couple of weeks ago I phoned them and was checking up on the warranty......I intend to get one when my Tax return comes back......and they offered me 10% off.....so it would probably work out about the same as free shipping.....

SB

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Diesels:
'85 300D, "Max, Blue Benz", 155K, 27.0 MPG
'84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG
'77 240D (parts car)
'67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP)
Gassers:
'94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG
'85 190E 2.3, 148K....Parts Car
'58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG

I can not picture what you mean by stepped ports. The only thing I am thinking is an outter size reduction(stepped down) of the ports for the hose fittings?? Why does that make a differance?

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1985 300D burning WVO using 26 FPHE, half gallon heated fuel filter,glow plug heater,home made injection line heaters. Home made cold air induction. ALDA full out.
2003 F350 7.3(the last of the great motors)
1987 Paint Horse-non running too, just walks!

The orifice on the back of some compressors is indented, rather than flat as with the original. This requires the use of sealing gasket discs in order to mate with the original manifold. The problem that some (including me) experienced, is that some kits didn't include the proper gasket disc for our MBs. I ending up ordering the disc from NAPA. I understand that most of the kits that ship now have the right discs I think one is green, and the other - the one I had to order - is yellow/brass colored. Once installed correctly, no problem.

BTW, on your original question, avoid Four Seasons compressors, or any remanufactured one.

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Tjohn

82 300 SD
77 450 SL (gone)