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  #1  
Old 11-23-2012, 10:01 PM
TnBob's Avatar
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Location: Shelbyville, Tn
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300D preferred water pump brand

My water pump is making that noise we all sooo love to hear. At least that is better than a seal just blowing.

Anyway, the obvious two part question is :
What brands are preferred?
What brands are not ?

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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  #2  
Old 11-23-2012, 10:56 PM
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Oddly in about 5 years of reading the Forums I have not seen a thread on a preferred Water Pump.
So I am curious to see what the answer is also.

Also they don't seem to fail often.

For My 84 300D:
2 of the Internet Part Sellers lists LASO as an OEM Part but I don't know if that is true.
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  #3  
Old 11-23-2012, 11:01 PM
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Location: Palm Springs, CA.
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Bosch....Pep Boys often has them in stock.
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Did you just pass my 740 at 200 kmh in a 300SD?????

1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013



100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership
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  #4  
Old 11-24-2012, 12:40 AM
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Graf is good, at least 7 yrs ago when I had the 300D's replaced. Still OK, knock on wood.

For my C280, the water pump was going south almost at 2 yr intervals.(low mileage)
Last one I had replaced with a GRAF about 7 mos. ago.
We'll see how that holds out.

The Mercedes pump is about $400 for the C280.

Mercedes used to accept your old OEM pump as core and sell refurbished Merc pumps.

Probly not anymore... ???

I wonder if BARS leak tabs heavy duty, helps lubricate better to sustain life of bearing, esp. for the C280??
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1979 300D 220 K miles
1995 C280 109 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles SOLD
********************
1979 240D 140Kmiles (bought for parents) *SOLD.
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD
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  #5  
Old 11-24-2012, 12:52 AM
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Both Laso and Graf makes excellent pumps. I wouldn't hesitate to use them.



.
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  #6  
Old 11-24-2012, 02:42 AM
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Pep Boys is ~$33 plus a gasket. $6 to ship too and they are about 100 miles rt for me.

I will check the other two brands later. THANKS
__________________
1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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  #7  
Old 11-24-2012, 08:33 AM
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Quote:
Originally Posted by unkl300d View Post

I wonder if BARS leak tabs heavy duty, helps lubricate better to sustain life of bearing, esp. for the C280??
It's the shaft seal that is being lubricated by the coolant, not the bearing.
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  #8  
Old 11-24-2012, 09:42 AM
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Quote:
Originally Posted by unkl300d View Post
I wonder if BARS leak tabs heavy duty, helps lubricate better to sustain life of bearing, esp. for the C280??
Bearings are sealed for life...
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Did you just pass my 740 at 200 kmh in a 300SD?????

1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013



100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership
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  #9  
Old 11-24-2012, 09:43 AM
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Quote:
Originally Posted by TnBob View Post
Pep Boys is ~$33 plus a gasket. $6 to ship too and they are about 100 miles rt for me.

I will check the other two brands later. THANKS
I get daily shipments from SSF and the MBZ dealer. Prices are decent, but sometimes, you need a part on the weekend, such as when my water pump went out, and a Bosch from Pep Boys seemed like a good fix...
__________________
Did you just pass my 740 at 200 kmh in a 300SD?????

1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013



100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership
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  #10  
Old 11-24-2012, 01:58 PM
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Graf looks to be priced starting at ~$60, spotted at least on report of a failure at under 4000 miles too....hmmmm.

Laso appears to be about the same price. No failures noted
__________________
1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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  #11  
Old 11-24-2012, 02:01 PM
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The Bosch description says the gasket is included:
"Gaskets and hardware are included to make for an accurate, easy installation"
__________________
1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
Reply With Quote
  #12  
Old 11-24-2012, 02:42 PM
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Location: San Francisco, Ca
Posts: 2,324
Quote:
Originally Posted by qwerty View Post
It's the shaft seal that is being lubricated by the coolant, not the bearing.

yup the shaft seal. Thanks.

Which by the way is what you need to research the materials and construction of ,because some pump manufacturers differ.
__________________
1979 300D 220 K miles
1995 C280 109 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles SOLD
********************
1979 240D 140Kmiles (bought for parents) *SOLD.
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD
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  #13  
Old 11-24-2012, 03:44 PM
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Quote:
Originally Posted by TnBob View Post
Pep Boys is ~$33 plus a gasket. $6 to ship too and they are about 100 miles rt for me.

I will check the other two brands later. THANKS
Let Us what info you find on the.
If you get the Bosch one I would like to know where it is made.
It does look like it is cheaper to have it shipped to you.
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84 300D, 82 Volvo 244Gl Diesel
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  #14  
Old 11-24-2012, 03:59 PM
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The Bosch 96088 fits a huge number of our cars from 1968 to 1985 both diesel and gas models.

Bosch 96088 New Water Pump : Amazon.com : Automotive
__________________
1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."
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  #15  
Old 11-24-2012, 06:05 PM
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Location: Indianapolis, IN
Posts: 63
A couple months ago I got brand new Bosch water pump for my 420SEL from rock auto for $99 shipped. The box was genuine Bosch and said it was "brand new". It looked like the mating surface had been dragged across a rough concrete surface. There were several gouges I could get my finger nail into. My guess is that are popping of a conveyor belt into a bin and then moved around and jostled in there damaging them all to hell. Guess where it was made? China of course. I thought by going with a nice "trusted" brand I could not go wrong. Luckily I got a full refund and a store credit. I ended up going with one from orielly. It appeared 10x better then the Bosch unit plus came with a lifetime warranty. Just saying, beware of Bosch. It might be better to get a Bosch reman from Germany or something.

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