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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: Bob & Tracey on July 15, 2019, 11:25:32 AM

Title: Air shutdown cylinder
Post by: Bob & Tracey on July 15, 2019, 11:25:32 AM
I am looking for an air shutdown cylinder for an 8v71 as mine is leaking air. The local Detroit dealer says it should be electric and does not know what I am talking about.

Thank you,
Bob
Title: Re: Air shutdown cylinder
Post by: chessie4905 on July 15, 2019, 11:32:21 AM
You dont need a cylinder. Call Luke at US Coach in NJ. He has the seal for the piston inside. Real simple to clean and repair. Just need to remove the two allen screws and remove cap. Inside is a rod ( showing ) with a large nailhead with a groove that the seal fits over. Clean, replace seal reassemble and fixed.
Title: Re: Air shutdown cylinder
Post by: DoubleEagle on July 15, 2019, 11:35:22 AM
Yes, call Luke in New Jersey - (856) 794-3104, he might have it or a rebuild kit. Detroit dealers will gladly sell you the electric version they use on newer stuff for $200+. I would not be surprised if they would charge $200+ to put it on.  :o
Title: Re: Air shutdown cylinder
Post by: luvrbus on July 15, 2019, 11:39:58 AM
Before you purchase a kit check the plunger and the housing if the plunger is worn and you feel groves buy a new cylinders 50 bucks from Detroit
Title: Re: Air shutdown cylinder
Post by: Bob & Tracey on July 15, 2019, 11:41:06 AM
Perfect! I will talk to Luke.

Thanks!
Title: Re: Air shutdown cylinder
Post by: luvrbus on July 15, 2019, 12:09:55 PM
Here is manufactures name and part number in case you need it

Scovill/Schrader
3351-SP5-0515
Title: Re: Air shutdown cylinder
Post by: eagle19952 on July 16, 2019, 12:37:38 PM
2425891 Detroit Diesel Cylinder Assembly

LOL, this outfit wants major $$'s for this part :(
Genuine Detroit Diesel Part

Base Price: $304.38
Our Price: $283.07

https://www.dieselpartsdirect.com/2425891
Title: Re: Air shutdown cylinder
Post by: richard5933 on July 16, 2019, 01:05:27 PM
The one I got from Luke was a small fraction of that amount.
Title: Re: Air shutdown cylinder
Post by: Geoff on July 16, 2019, 02:45:38 PM
If it leaks, put out a few drops of air gun oil in the air fitting.  If it still leaks, pack it with grease behind the plunger. If it STILL leaks, find a good used one.  The dealer is a total rip off.
Title: Re: Air shutdown cylinder
Post by: richard5933 on July 16, 2019, 03:52:12 PM
I paid $105.97 for the one I got last year from Luke.
Title: Re: Air shutdown cylinder
Post by: chessie4905 on July 16, 2019, 04:20:21 PM
I bought the little seal from Luke. Cleaned and inspected the cylinder, installed the little seal and reinstalled on coach.
Title: Re: Air shutdown cylinder
Post by: luvrbus on July 16, 2019, 05:59:29 PM
My price today was

$128.40 list
$83.90 final + tax and shipping from Phoenix

They come in 3 different lengths the longest plunger was+ $8.10 
Title: Re: Air shutdown cylinder
Post by: bigred on July 17, 2019, 05:49:59 PM
Quote from: luvrbus on July 16, 2019, 05:59:29 PM
My price today was

$128.40 list
$83.90 final + tax and shipping from Phoenix

They come in 3 different lengths the longest plunger was+ $8.10
Those Turds at Freightliner charged me almost 500.00 for a shut down solenoid for the one on my 8.3 Cummins in my mh!!!!
Title: Re: Air shutdown cylinder
Post by: luvrbus on July 17, 2019, 06:12:12 PM
Quote from: bigred on July 17, 2019, 05:49:59 PM
     Those Turds at Freightliner charged me almost 500.00 for a shut down solenoid for the one on my 8.3 Cummins in my mh!!!!

LOL Dick Wright charged $280.00 for a shut solenoid for my Kubota generator 15 years ago so don't feel bad 
Title: Re: Air shutdown cylinder
Post by: Geoff on July 18, 2019, 02:34:02 PM
Quote from: luvrbus on July 17, 2019, 06:12:12 PM


LOL Dick Wright charged $280.00 for a shut solenoid for my Kubota generator 15 years ago so don't feel bad

That brings up a good question.  With inflation, what is $280 in todays money?  I've got a lot of parts and know what they were worth 15-20 years ago when I got them. 

Geoff
Title: Re: Air shutdown cylinder
Post by: luvrbus on July 18, 2019, 02:41:03 PM
Quote from: Geoff on July 18, 2019, 02:34:02 PM
That brings up a good question.  With inflation, what is $280 in todays money?  I've got a lot of parts and know what they were worth 15-20 years ago when I got them. 

Geoff

Where have you been Geoff there is no inflation the government says there is none so it has to be true  :-*
Title: Re: Air shutdown cylinder
Post by: Geoff on July 18, 2019, 02:47:31 PM
I know Detroit 2-stroke parts are 10x what they used to be because of low volume sales.
Title: Re: Air shutdown cylinder
Post by: chessie4905 on July 18, 2019, 03:08:00 PM
It's not necessarily low volume. Other mfgs. take over existing companies and jack up prices because they are exclusive supplier. Look at Onan.
Title: Re: Air shutdown cylinder
Post by: Geoff on July 18, 2019, 04:00:47 PM
Maybe China can buy the molds and start making all the old Detroit Diesel parts.  After all, they're still popular where there's no EPA.  The Chinese Clones are already taking over the world.

I can buy Isuzu heavy truck parts.
Title: Re: Air shutdown cylinder
Post by: chessie4905 on July 18, 2019, 06:44:05 PM
Cliff, the last time I looked, the market basket of goods that the government uses to determine inflation, didn't have any Detroit Diesel parts.👻
Title: Re: Air shutdown cylinder
Post by: luvrbus on July 18, 2019, 08:29:01 PM
LOL friggn 8v92 liner kits from Detroit are almost $500.00 bucks ea now 4 grand for a set