Very cool to know - thanks!
MUCH cheaper OEM vacuum hose
- Thread starter Landpimp
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Silicone tubing can be purchased in the following colors: Black, Blue, Red and White.
The current cost is $1.23 per foot and the P/N is 5041K52.
High-Temperature Silicone Rubber Tubing
I live in the desert where we get close to 100 days with temperatures exceeding 100 degrees. The tubing I installed over 7 years ago shows no signs of any ageing.
The current cost is $1.23 per foot and the P/N is 5041K52.
High-Temperature Silicone Rubber Tubing
I live in the desert where we get close to 100 days with temperatures exceeding 100 degrees. The tubing I installed over 7 years ago shows no signs of any ageing.
Just called the 3 nearest Toyota dealers in Austin. Prices for part # 90999-92003 were: $5.00, $4.00, and 3.08 each (Champion, Maund, and Round Rock, respectively).
The $5.00 parts guy (Champion Toyota, 4800 S. I-35, Austin, TX) said they just go to AZ and buy a roll of the cheap stuff to use in the service dept. Fair warning,
's!
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B,
Thanks for the link and relating your experience with the hose. When I went to the site and read the info on the hose I saw this reference:
Able to handle higher temperatures than natural rubber, this synthetic rubber tubing will maintain its flexibility and
resiliency over time, making it a good choice for peristaltic (squeeze-action) pump applications. It is peroxide cured
and won’t impart odors or taste to the fluid passing through. Use with water, air, and food and beverage. Material is
FDA CFR21 177.2600 compliant. It can be sterilized with steam (autoclaving). Not rated for vacuum. resiliency over time, making it a good choice for peristaltic (squeeze-action) pump applications. It is peroxide cured
and won’t impart odors or taste to the fluid passing through. Use with water, air, and food and beverage. Material is
Everything that you spoke about in your experience with the hose, regarding durability and resistance to heat, is born out by the literature. Clearly you have used this as a replacement to OEM vacuum tubing while it says that is not "rated" for vacuum. I take it that you have had no problems with the tube collapsing or anything of that nature? Assuming that the answer is no, this seems like an inexpensive alternative to the OEM tubing. BTW which version of the hose did you go with the "Firm, Soft, Crush resistant or High Pressure"? Thanks again for the link.
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MODS --
Could someone correct the spelling of "Vacuum" in the title -- It prevents this thread from showing up in a title search for "Vacuum Hose" and I don't think this is FAQ'd in the 40 section.
Thx.
Could someone correct the spelling of "Vacuum" in the title -- It prevents this thread from showing up in a title search for "Vacuum Hose" and I don't think this is FAQ'd in the 40 section.
Thx.
x2 - Did you PM the Mod for this section with link? Do not think they will magically find your post otherwise...
Naw - they'll come across it eventually...
B,
Thanks for the link and relating your experience with the hose. When I went to the site and read the info on the hose I saw this reference:
Able to handle higher temperatures than natural rubber, this synthetic rubber tubing will maintain its flexibility andFDA CFR21 177.2600 compliant. It can be sterilized with steam (autoclaving). Not rated for vacuum.
resiliency over time, making it a good choice for peristaltic (squeeze-action) pump applications. It is peroxide cured
and won’t impart odors or taste to the fluid passing through. Use with water, air, and food and beverage. Material is
Everything that you spoke about in your experience with the hose, regarding durability and resistance to heat, is born out by the literature. Clearly you have used this as a replacement to OEM vacuum tubing while it says that is not "rated" for vacuum. I take it that you have had no problems with the tube collapsing or anything of that nature? Assuming that the answer is no, this seems like an inexpensive alternative to the OEM tubing. BTW which version of the hose did you go with the "Firm, Soft, Crush resistant or High Pressure"? Thanks again for the link.
Firm - just because a hose/tubing is not rated for vacuum does not mean that it cannot be used in a vacuum application. This is not the hose I would use for high vacuum. The 2F intake manifold does not rate as a high vacuum device. Silicone tubing in vacuum circuits that have elevated levels of gaseous fumes and/or oil will eventually start to sweat. For those vacuum lines (6 I think) I used Viton tubing because I just did not care for the appearance. The two photos show the vacuum lines that I saw sweating on and replaced with Viton tubing. The Silicone and Viton vacuum lines show no sign of aging or cracking and are just as flexible today as when I originally installed them.
A side note – the Silicone hose that attaches the turbo outlet to the intake manifold on my turbo diesel sweats all the time. I just take a rag and wipe it down every so often.
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Interesting that this comes around to Viton.
I was looking for Viton alternatives in the alternative fuel sub forum and, after talking to the tech guys at Gates, came up with SAE30R9 rated hose ,mostly made by Gates and resold by others. I was just about to put in an order to replace my OEM fuel lines and add some to an aux tank, the idea being to run B100. I never thought about using this hose for a vaccum application. 
I guess that I never looked much past the "its not rated for x " verbiage. If I had it would have been obvious from the hoses construction that it would be more than adequate for the few vacuum lines that I have in a diesel. Thanks.John
I'm surprised nobody mentioned using the VW 3mm ID fuel lines. VW speed shops are everywhere and usually have this stuff on hand. That was a very popular mod back in the 90's. It is metric, has a very cool braided covering and fits perfectly. Used to be very cheap for a 30' roll. 30' did all of an '82 FJ40.
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I did not know my speeling had made life hard for others.......
(my original post was pre spell check)
(my original post was pre spell check)
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Don't use hose with fabric braid on any vehicle. It's one of the reasons VWs burn so often. The cotton covering gets soaked with oil or fuel and becomes very flammable. Once lit, it is a fuse running through the engine bay. As the dubbers say, Oh Snap! engine fire.
LOL!
Though to be fair to the OP, most of the fires are not really a fault of the braided hose, rather the press fit inlet and outlet tubes on the fuel pump. When they come loose the fuel spills all over the engine block and runs down toward the exhaust manifolds. Using non-braided fuel hoses is not going to save you then. The 40 fuel pump doesn't have that problem and any leakage goes to ground.
I think I 1st saw this mentioned by Dan. But the OEM vac hose(3mm I think) is most often found in a 1 meter length(900mm) for about $10.
But if you order 90999-92003, you get 600mm for retail of $1.83!!!!! I got 6000mm for $14
John
Pimp, what is the p/n for the 900mm section, if someone wants the longer hose?
Just ordered a bunch of bags of 92003 from American Toyota... $1.95 a bag. And the 92004 was ~$10.00 per bag. This is with the MUD discount. Not bad if you ask me....
Good to see this thread back - an oldie but a goodie!
I think I need to re-run my lines, she is taking a few cranks to start these days...
I think I need to re-run my lines, she is taking a few cranks to start these days...
Ok, I'm fresh out of American Toyota and have some interesting updates for anyone whose interested. I finished installing the 92003... took either 11-12 bags, i can't remember exactly. I only needed 1 bag of 92004 to complete the job of swapping out the smaller ID hose. Here's where it get's interesting. Toyota no longer makes ANY of the larger ID hose (6mm). I spent about 15 minutes with Don looking up every part number and...nothing. So, the only option for us at this point is aftermarket. I just ordered 10 feet of McMasterCarr 6mm ID to finish off my vacuum hose replacement project.
I do have a question for anyone who might be able to help. I went to order some additional hoses (highlighted in the attached pics) and was told those are no longer available either. Has anyone found an alternative to OEM for these hoses? Mine are starting to crack and will need to be replaced soon.
View attachment 1279968
I do have a question for anyone who might be able to help. I went to order some additional hoses (highlighted in the attached pics) and was told those are no longer available either. Has anyone found an alternative to OEM for these hoses? Mine are starting to crack and will need to be replaced soon.
View attachment 1279968
Man,I would love to know this as well. I've seen people order the correct OD/ID hose and installing these metal like "sheaths" on the corners that would hold a bend. Best answer I've seen.