Engine Compartment Blower Hose, L&R Where to Buy Options

[wonkipop]

NAPA has it, found it there last year, fit perfect. If I recall it's called "defroster hose"

I’m gonna need a link @930cabman before I believe a word of what you claim lol… You expect me to believe NAPA had ANYTHING in stock that fits a non-chevy?!

dunno about chevs, but you'd be surprised what comes off a Ford that can fit on a Renault. or off a SAAB on a Renault. (IMG:style_emoticons/default/biggrin.gif)
so.........maybe its true.
if this magical defroster hose exists I wanna know the details too.

[bludden]

I got my car with the fan not installed, and no hoses. So I got the hose kit from 914rubber.

Pros: Easy to use fits well. Seems to do it's job.

Cons: easy for an errant tool to rip the material.

[Jett]

The initial OE hose is NLA and most of the old ones are cracked. As 914Werke shared we inserted a paper hose and put the OE back on.

While restoring our 73 and 75, we ended up buying every likely related hose from Porsche, 914Rubber, AA, Pelican, Stoddard, and ECS. The only two OE “air” hoses that we could not purchase were the engine bay hose (being discussed) and the longer passenger dash vent to frunk paper hose (short versions below).

For our 73 2.0 build, a VERY kind member ( @aturboman ) had saved an NOS engine bay hose for many years and then gifted it to the car (IMG:style_emoticons/default/smile.gif). Every time an enthusiast sees the car I share the story.

In that spirit, @NARP74 please send a PM and we’ll see if there is something in our box of hoses that you can use.

[914Sixer]

Here is what I am using. It is made for high heat marine use and seems to be made of steel not aluminum. Bad is it comes in 10 Ft length but you can cut what you need and sell the rest.
Click to open

[TheCabinetmaker]

Bughaus has them.

[TheCabinetmaker]

https://www.bughaus.com/beetle_hoses.htm

[NARP74]

I feel like Veruca Salt in Charlie and the Chocolate Factory, "I want that one and I want it now"! I am not in a hurry, but my mind latched onto those hoses as the absolute perfect combination of form and function and anything else looks inferior. It might prove to be a fools errand but I will keep looking and I appreciate the commentary and involvement. Keep it coming...

So are the hoses in the pic the original hoses? NLA it seems

The bughaus hose at least has the proper ID, 55mm, I will look at those some more.

I also found these but need more info on them.
https://www.cbperformance.com/product-p/1982.htm

@Jett I'll send you a note. Thank you

Part numbers I have found so far, but these are from a PET that shows the dual outlet fan motor, not the split adapter;
L PCG 261 233 420mm which I assume is length
R 461 261 235 A 960mm

[NARP74]

CB Performance hose is 50mm, they do not have any that is 55mm.

[zoomCat]

Anyone have experience with the URO stuff?

https://apaindustries.com/catalog?make=2&am...p;q=+Hot%20Hose

[ClayPerrine]

Anyone have experience with the URO stuff?

https://apaindustries.com/catalog?make=2&am...p;q=+Hot%20Hose

I bought axle assemblies for my Cayman trans conversion. Now I am constantly getting spammed by them.

But the axles are fine.

[rhodyguy]

They might look correct, but I wanted real heat. Bought caps and SS clamps at the hardware store plumbing section for the J tubes. My fan lives on a shelve in my shed.

[930cabman]

NAPA has it, found it there last year, fit perfect. If I recall it's called "defroster hose"

I’m gonna need a link @930cabman before I believe a word of what you claim lol… You expect me to believe NAPA had ANYTHING in stock that fits a non-chevy?!

Not sure if I can provide a link, but I did save the label, tomorrow I will get into the shop and find it. I tried several sources and NAPA several times until I found store manager who would go out of his way. Seems like a simple part, but it nearly kicked my butt

[wonkipop]

NAPA has it, found it there last year, fit perfect. If I recall it's called "defroster hose"

I’m gonna need a link @930cabman before I believe a word of what you claim lol… You expect me to believe NAPA had ANYTHING in stock that fits a non-chevy?!

Not sure if I can provide a link, but I did save the label, tomorrow I will get into the shop and find it. I tried several sources and NAPA several times until I found store manager who would go out of his way. Seems like a simple part, but it nearly kicked my butt

tapping fingers on desk!. (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif)

[dr914@autoatlanta.com]

we have plenty, early cars 70-72 use dissimilar sized ones, 73 - 12/74 cars use a single short one, 75.5-72 use similar diameter long and short ones.

We also make the branch to convert the single hose 73-12/75 to the dual blower nozzle set up

use one short

I borrowed this pic from @skota23 in another topic. Does anyone know where to buy the hoses like this? I have seen and tried others but they have issues and I wanted to try these.

[wonkipop]

I feel like Veruca Salt in Charlie and the Chocolate Factory, "I want that one and I want it now"! I am not in a hurry, but my mind latched onto those hoses as the absolute perfect combination of form and function and anything else looks inferior. It might prove to be a fools errand but I will keep looking and I appreciate the commentary and involvement. Keep it coming...

So are the hoses in the pic the original hoses? NLA it seems

The bughaus hose at least has the proper ID, 55mm, I will look at those some more.

I also found these but need more info on them.
https://www.cbperformance.com/product-p/1982.htm

@Jett I'll send you a note. Thank you

Part numbers I have found so far, but these are from a PET that shows the dual outlet fan motor, not the split adapter;
L PCG 261 233 420mm which I assume is length
R 461 261 235 A 960mm

can understand completely.

i went into this 5 years ago in what became a slightly obsessive quest to replace my original 74 single outlet hose. i wasn't going to give up. thinking-----its a VW part right, so i should be able to track one down somewhere? no luck - even armed with the right part #s and searching VW vintage parts suppliers etc.

however i did have to trawl my way through the PET and associated VW parts catalogues like you are now. i was initially puzzled by that listing of the 920L hose as right side for early cars. 914/4 means early cars in PET. later are listed as 914/1.7 or 914/1.8.

i drew a couple of conclusions.

1. the PET is misleading/incorrect. not the first time either. i have found numerous errors and blanks in the PET when it comes to the 74 1.8s.

those hose numbers and descriptions are definitely incorrect for the early twin outlet fan cars. the R hose is 520mm long. the L hand hose is 420 Long. the hoses originally came from the VW parts bin and are for the 411/412 sedan blower hose setup.

however that 960mm long hose is the one you are looking for to do the right hand side twin hose set up for the later single hose fan despite it being mistakenly identified for early twin outlet fan cars. either that or VW were cutting them down in length to install in 914s. (IMG:style_emoticons/default/confused24.gif)

2. they couldn't even be bothered drawing the single hose fan set up to update the PET.
it applies to the 73 models on. all the bits are just lumped as a group at the end of the parts list details. no key numbers back to the diagram because no diagram.
they list two different hoses there with basically the same part number. that means the design/construction of the part was superseded. somehow they altered the way they made the hose. but there was only ever one hose and a single outlet fan from 73 on.
anything with two hoses from 73 on is an owner mod or a dealer mod post factory.
with parts coming from VW parts bin.





and here is the VW parts bin.
from 411/412 parts catalogue.
i found this stuff years ago and its proved to be a handy resource at times as an alternative route to track down bits for the 914.
VW germany host the site, its part of the business empire.
generally however VW germany are useless in terms of classic parts supply.

https://www.volkswagen-classic-parts.com/ca.../html5.html#/14






you can see there were 4 different hose lengths used by VW.
and only 4.
the 960 L hose listed in 914 PET agrees with the 960 L hose listed for the 411/412 variant - same part number. for the variant they used a short 300 and a long 960.

----

the 914 PET is misleading as it mistakenly puts that 960L hose in there for the early cars when it should list it as a 520.
however despite the mistake, the 960L hose is the one the mod was done with for later post 73 cars. its easy to check. just put a tape measure in the engine bay.


-----

all the different hoses in the cars that Porsche were using as their parts bin.




and the dimensions given for hose diameters are amusing.
the twin outlet fans appear to have used a 55mm diam on LHS and a 60mm diam on RHS.
the single outlet fans used a 55mm diam hose both sides (or if you read the VW catalogue the dim is 55.5mm diam. germans! going to a decimal point!!! (IMG:style_emoticons/default/biggrin.gif)

anyway. good luck. (IMG:style_emoticons/default/beerchug.gif)
if you find out where to get these hoses let me know.
i will want to get hold of one.
i am happy enough with my make do effort at the moment, but i'd be happier with the real thing. it still grates on me what the guys did 30 years ago cutting it into two pieces and taping an extension hose in between. sometimes mechanics just do the stoopidist things.

[wonkipop]

i also remember i developed a view on this change to a single outlet fan from 73 onwards. because i used to think it was just porsche being cheap skates trying to cut the cost of the car down to the point where they were counting 5 cents worth of hose.


it was all part of the horror of vapor lock i think.

they fiddled around slightly with the FOOL pump location in around 73.
moved it very slightly under the car.
and what i think they did was decide not to channel so much heated air through the hose connection into the long on the right hand side. its right near the FOOL pump revised location.

it still wasn't enough. the horror of vapor lock continued.
there was a dealer mod that jeff bowlsby has on his site involving a lash up duct to direct heated air out of the dump valve on the rhs heater flap box under the car.

then in 75 they bit the bullet and moved the pump up front and it became a fuel pump again. only now they had the charcoal cannister next to the battery crowding the 1.8 relays and resistors etc because the EGR had to go somewhere and the good location they had it in for 74 was no longer good. so now the cannister got in the way of doing a dual outlet fan. got pretty crowded down there. so the single outlet fan stayed.

along with the biased heating and defrost.

which caused a brain fade moment in australia 30 years ago where a couple of guys cut a part made of unobtanium in half to satisfy a road safety certification "expert".
i remember saying to the expert at the time, listen mate, i never drive this thing with the top on, when em i gunna need a demister. (IMG:style_emoticons/default/biggrin.gif)

[NARP74]

WOW @wonkipop you got way further than I did! Thanks for the great research. It does seem like the documentation got a little lax toward the later years, maybe they knew it was ending or the crew was working on other projects and did not care to backtrack the last few years. I have been befuddled by the PET many times.
We are spoiled I guess. So many parts are available in the aftermarket it surprises and annoys me when something is not.
I'll keep going.

[wonkipop]

WOW @wonkipop you got way further than I did! Thanks for the great research. It does seem like the documentation got a little lax toward the later years, maybe they knew it was ending or the crew was working on other projects and did not care to backtrack the last few years. I have been befuddled by the PET many times.
We are spoiled I guess. So many parts are available in the aftermarket it surprises and annoys me when something is not.
I'll keep going.

believe me i don't want to have to do this research most of the time.

but........if you own a 74 1.8 what you realise is it was chaos in the second half of 73 as they were trying to bring the 1.8 to the showroom.

the EPA was down VW's throat over an emission scandal and they were really struggling to get the L jet system out of the end of the production line.

this chaos is reflected in the PET catalogue and even in parts of the factory workshop manual.

anyway, all my research didn't do me any good. still couldn't source a fricken heater hose. (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beer.gif)

[NARP74]

WOW @wonkipop you got way further than I did! Thanks for the great research. It does seem like the documentation got a little lax toward the later years, maybe they knew it was ending or the crew was working on other projects and did not care to backtrack the last few years. I have been befuddled by the PET many times.
We are spoiled I guess. So many parts are available in the aftermarket it surprises and annoys me when something is not.
I'll keep going.

believe me i don't want to have to do this research most of the time.

but........if you own a 74 1.8 what you realise is it was chaos in the second half of 73 as they were trying to bring the 1.8 to the showroom.

the EPA was down VW's throat over an emission scandal and they were really struggling to get the L jet system out of the end of the production line.

this chaos is reflected in the PET catalogue and even in parts of the factory workshop manual.

anyway, all my research didn't do me any good. still couldn't source a fricken heater hose. (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beer.gif)

Cheers, I get it. I have gone down these rabbit holes a few times now hoping for a miracle save at the end only to fizzle out and be left hanging empty handed. Oh well...

[wonkipop]

interesting observation by dr. 914 of auto atlanta.

about mid 75 cars on getting the twin hose set up.
the dr. would know. his chronology is likely 100% correct.

that may have been the case. i'm down here and there is only really a handful of 914s in north antarctica so i don't really see first hand what various reliable examples were.

certainly i have seen various 75 1.8s that had the single fan and hose as part of our L jet research from a couple of years ago.

again the PET does not reflect this. typical really of the PET.
i'd trust dr.914 over the PET on this type of stuff.


EDIT
had a quick scan through the stuff i had on file for 75 L jets.
after looking closely my file agrees with the doctor.
all the ones with vin stickers up to 12/74 are single hose. (most cars have split orig hoses or aftermarket replacement).
all the ones with vins after 12/74 have twin hoses with twin tube transition.
hoses in similar condition. anything original was split around the corrugations.

so much for the PET!

i recall now i even looked for them in south africa. SA had its own VW plant and made 411/412s for the domestic market there. couldn't even track them down with VW parts suppliers there armed with the VW part numbers. searched all the classic bus websites because they had the same fans and ducts. all they had were the corrugated card with aluminium lining aftermarket hoses. i even tried porsche australia because i knew the 912E had them too but the lengths would have been wrong. narthing with them. all they could offer were the corrugated cardboard type heater hoses that the 911s use.