1984 280SL fuel distributor hose part number - Mercedes-Benz Forum
 
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post #1 of 10 (permalink) Old 07-24-2015, 08:39 AM Thread Starter
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1984 280SL fuel distributor hose part number

I have a 1984 280SL - the two rubber coated plastic fuel lines that attach to the top of the fuel distributor via a 12mm banjo fitting need replacing and I'm having trouble finding a part number to order or a vendor. The lines are a semi ridid plastic and they push onto a barbed banjo fitting - the rigid plastic is covered with a rubber outer protective sleeve. the rubber is cracked thought I should replace the hoses. I could use just the hose material if it's available but would take a complete assembly if that's all that's around

does someone have a parts reference catalog that could give me the OEM Mercedes part numbers for these two hoses at least then the retailers can look for a cross reference - most don't have a 280SL in their parts catalog...
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post #2 of 10 (permalink) Old 07-24-2015, 09:07 AM
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Weird, i would pull whatever you have off and replace it with fuel injection rated rubber line. It should uses barbed fitting. You could almost remove it in situ, so you won't have to replace the crush washers. There was a change in fd design so mine doesn't have any flex line like that.

edit, I wonder if those are vacuum lines, no way would you run fuel through hard plastic line. Hopefully someone with knowledge of the later generation FD will pipe in.

Last edited by daryn; 07-24-2015 at 09:37 AM.
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post #3 of 10 (permalink) Old 07-24-2015, 10:02 AM
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Did your 280SL spend time in California? Those hoses are not shown in the MB Electronic Parts Catalog (EPC). Here is my 1984 280SL.
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post #4 of 10 (permalink) Old 07-24-2015, 10:27 AM Thread Starter
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California - no that I'm aware of - was imported into MINN and then spent most of it's time Florida before coming to Canada about 11 years ago. I bought off the owner who imported from FL
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post #5 of 10 (permalink) Old 07-24-2015, 11:02 AM
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I asked because I have seen 280SL models that spent time in CA adapted with emission control equipment. I know of more than one that had a frequency valve, O2 sensor and catalytic converter added. The even had some sort of aftermarket lambda controller. One with a frequency valve had a banjo fitting with line like yours in the same place but it only had one banjo fitting. Does one of those lines lead to what looks like an electronic fuel injector? I will see if I can find a picture.
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post #6 of 10 (permalink) Old 07-24-2015, 01:39 PM
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Originally Posted by DM914 View Post
I have a 1984 280SL - the two rubber coated plastic fuel lines that attach to the top of the fuel distributor via a 12mm banjo fitting need replacing and I'm having trouble finding a part number to order or a vendor. The lines are a semi ridid plastic and they push onto a barbed banjo fitting - the rigid plastic is covered with a rubber outer protective sleeve. the rubber is cracked thought I should replace the hoses. I could use just the hose material if it's available but would take a complete assembly if that's all that's around

does someone have a parts reference catalog that could give me the OEM Mercedes part numbers for these two hoses at least then the retailers can look for a cross reference - most don't have a 280SL in their parts catalog...
A couple of Pics of my 84 Different than yours, way different than Rowdies. Looks like line just re-circulates fuel?

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Originally Posted by rowdie View Post
I asked because I have seen 280SL models that spent time in CA adaped with emission control equipment. I no of more than one that had a frequency valve, O2 sensor and catalytic converter added. The even had some sort of aftermarket lambda controller. One with a frequency valve had a banjo fitting with line like yours in the same place but it only had one banjo fitting. Does one of those lines lead to what looks like an electronic fuel injector? I will see if I can find a picture.
My Car has at one point been CA smogged, but had no 02 sensor, catalytic converter, or lambda.
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post #7 of 10 (permalink) Old 07-24-2015, 01:55 PM
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That piece with yellow connector is a frequency valve. Not stock.
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post #8 of 10 (permalink) Old 07-24-2015, 02:45 PM
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That piece with yellow connector is a frequency valve. Not stock.
It does not plug into anything. Checked entire engine bay, and could not find any wires, or connections for this frequency valve. Not sure how long ago car was smogged in CA, Montana does not have any of that BS
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post #9 of 10 (permalink) Old 07-24-2015, 03:40 PM
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Quote:
Originally Posted by DM914 View Post
I have a 1984 280SL - the two rubber coated plastic fuel lines that attach to the top of the fuel distributor via a 12mm banjo fitting need replacing and I'm having trouble finding a part number to order or a vendor. The lines are a semi ridid plastic and they push onto a barbed banjo fitting - the rigid plastic is covered with a rubber outer protective sleeve. the rubber is cracked thought I should replace the hoses. I could use just the hose material if it's available but would take a complete assembly if that's all that's around

does someone have a parts reference catalog that could give me the OEM Mercedes part numbers for these two hoses at least then the retailers can look for a cross reference - most don't have a 280SL in their parts catalog...
It's all useless garbage added to satisfy some State's rules. I would eliminate the whole mess.

You probably also have a CAT...which is also not stock.
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post #10 of 10 (permalink) Old 07-24-2015, 07:40 PM Thread Starter
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Looking for a transmission pad / plug and gasket

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It's all useless garbage added to satisfy some State's rules. I would eliminate the whole mess.

You probably also have a CAT...which is also not stock.

since it has fuel running through it I'll dig an look to see where it's coming from. maybe I can block it off or remove. No CAT on the car or O2 sensor - their is what looks like an EGR valve on top of the exhaust manifold it has a vacuum line fitting but no hose... I'll take a picture and post maybe some one knows what it is.

I'm pretty mechanically inclined but don't know a lot about these W107 cars.

I have another question - looking for replacement transmission pan, the drain plug and the gasket. anybody know the MB part numbers so I can source them somewhere. Car is an automatic.

Last edited by DM914; 07-24-2015 at 07:41 PM. Reason: spelling mistake
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