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#1
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Part # for '05 e320 cdi, fuel return line
Can anyone give me the part # for the fuel return line on an 2005 e320 cdi? I believe MB makes it as one assemble with the hos, "L"s and "T"s connectors.
I am thinking replacing the entire assemble makes more sense then replacing just the lines given the chance of plastic "T"s cracking and o-rings failing.
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-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 |
#2
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Found it.....
Part #: 648-070-08-32 Bosch 0-928-402-047 Any thoughts on replacing it? Car is 14 yo and has 140k miles.
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-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 |
#3
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I know on the 642 it is a complete assembly, with all the fittings, and that is the only way you can get it. I suspect it is similar on the 648.
You are right, the chances of the plastic pieces surviving a change of hose probably isn't going to happen. In fact you will be lucky if you can remove the old assembly intact without breaking anything.
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The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles) 2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles) 1998 E300DT sold to TimFreeh 1987 300TD sold to vstech |
#4
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When I did a image.google search for hose 648-070-08-32 in some of the pictures that came up there appeared to be some places in the UK that sold fuel return lines with brass instead of plastic fittings.
Some of the makers names: maXgear and maybe Beat Doria
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84 300D, 82 Volvo 244Gl Diesel |
#5
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This company makes Hose with Aluminum fittings instead of plactic
Item Name: Hose Fuel Overflow Part Brand: Metzger OEM Numbers: 6120700932 / 612 070 09 32 / 6120701032 / 612 070 10 32 / 6120703832 / 612 070 38 32 / 6120703932 / 612 070 39 32 / A6120700932 / A 612 070 09 32 / A6120701032 / A 612 070 10 32 / A6120703832 / A 612 070 38 32 / A6120703932 / A 612 070 39 32 Housing material: Aluminium Fuel Mixture Formation: Common Rail (CR)
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84 300D, 82 Volvo 244Gl Diesel |
#6
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Thanks for info.
I also found "Metzger" on eBay with shipping from Latvia for about $55.59: Metzger CDI Fuel Return, OM648, E320 CDI Sounds like it is a good idea to change this line out before it fails on a long trip somewhere. I heard from my mechanic that the return lines fail from age on the old W123s and W124s. Same on W211? Any firsthand experience(s)?
__________________
-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 |
#7
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There is a store on ebay that has the fittings, and they come from the USA. They are for a Sprinter. I ordered a set for my CDI, and just used regular return hose. It was WAY cheaper doing it this way, than getting the entire assembly from the Stealership.
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#8
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Quote:
$55 all in for the complete replacement part doesn't seem bad. How much were the fittings and hose by themselves?
__________________
-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 |
#9
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Assuming the 648 injectors work like 642s:
Grasp the fitting and pull gently but firmly. Be sure to keep the force along the axis of the fitting. You think you’re going to break it but it is just held by friction.
__________________
The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles) 2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles) 1998 E300DT sold to TimFreeh 1987 300TD sold to vstech |
#10
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The fittings look like they are held in place with spring springs in the shape of bobby pins.
__________________
-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 |
#11
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Quote:
By the way, today is 6,17(19)
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#12
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Ah I see, there is no clip on the 642 return ‘leak oil’ fittings, so they must have changed the design.
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The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles) 2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles) 1998 E300DT sold to TimFreeh 1987 300TD sold to vstech |
#13
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Quote:
A friend of mine who works at Bosch (since 1968!) recommends replacing the entire part: "Replace the assembly – same labor and effort instead going back and replacing the fittings at a later date." Given these vehicles are now almost 15 years old and past history of return lines leaking/failing on the W123 and W124s, it probably is prudent to do this as preventative maintenance.
__________________
-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 Last edited by chronometers; 06-18-2019 at 02:32 PM. |
#14
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Quote:
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#15
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Quote:
I just thought at $55 shipped, the entire assembly with aluminum fittings was a good price: Metzger CDI Fuel Return, OM648, E320 CDI I'd consider this one of the PMs our 2005-6 CDI's should have done given the age and mileage of these vehicles. The switch over to to low sulfur fuel early in their lives and the multiple heat cycles under the engine cover play havoc on the rubber fuel lines.
__________________
-- Chris '95 E300, 216k miles, Silver Surfer '05 E320 CDI, 138k miles '07 S550 4matic, 69k miles Gone but not forgotten: '76 300D, 350k miles?, SOLD in 1995 '75 240D, 300k miles, SOLD in 1991 |
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