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What is the material used in fuel pump diaphragm ?
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udidwht
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PostPosted: Thu Jan 27, 2022 5:15 pm    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

heimlich wrote:
Wolfsburg West is making the Effbe diaphragm kits. You can see Effbe in one of the pictures in their ads.

https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198553
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198555
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113127141WW


Do not see 021 198 555

Type-4 1.7 - 2.0 engine Type-4
_________________
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96mm Biral AA P/C's~7.8:1CR
Headflow Masters New AMC 42x36mm heads w/Porsche swivel adjusters
71mm Stroke
73 Web Cam w/Web solids
Dual 40mm IDF Webers - LM-2 - 47.5 idles/125 mains/190 air corr./F11 tubes/28mm Vents - Float height 10.45mm/Drop 32mm
Bosch SVDA w/Pertronix module (7.5 initial 28 total @ 3400rpm)
Bosch W8CC plugs
Pertronix Flamethrower 40K coil
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heimlich Premium Member
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PostPosted: Thu Jan 27, 2022 5:20 pm    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

udidwht wrote:
heimlich wrote:
Wolfsburg West is making the Effbe diaphragm kits. You can see Effbe in one of the pictures in their ads.

https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198553
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198555
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113127141WW


Do not see 021 198 555

Type-4 1.7 - 2.0 engine Type-4


You'll have to ask them what they can provide. Maybe they can provide the material to you or just the diaphragm. If you need any measurements I can check the NOS unit I have: https://www.vwnos.com/021-198-555
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wcfvw69 Premium Member
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PostPosted: Thu Jan 27, 2022 9:30 pm    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

udidwht wrote:
heimlich wrote:
Wolfsburg West is making the Effbe diaphragm kits. You can see Effbe in one of the pictures in their ads.

https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198553
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198555
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113127141WW


Do not see 021 198 555

Type-4 1.7 - 2.0 engine Type-4


Are you needing a rebuild kit for a type 4 fuel pump or a rebuilt type 4 fuel pump? No one is reproducing those type 4 kits which is why I rebuild the original type 4 Pierburg assemblies with new Effbe diaphragms.
There are some NOS rebuild kits out there.
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**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
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heimlich Premium Member
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PostPosted: Fri Jan 28, 2022 9:02 am    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

I checked the 021 198 555 NOS kit https://www.vwnos.com/021-198-555
I compared it against the Wolfsburg West kit. The diaphragms are the same measurements (holes are in all the same locations). You'll just need to figure out how to get the spring from your original to the new one. The Wolfsburg West unit is pretty easy to take apart. The spring from the 021 198 555 kit is much stronger and is where you get a pressure differential between the two kits.
_________________
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Classic Brands. Classic Quality.
Not all parts are made the same. NOS OE/OEM parts made mainly in West Germany, Early Germany, and Early Brazil are where VW produced the best quality parts and best fitting products.
5% Off your order with coupon code: 5%OFF
Restored Distributors Available (<--Click here)
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udidwht
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PostPosted: Fri Jan 28, 2022 8:09 pm    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

wcfvw69 wrote:
udidwht wrote:
heimlich wrote:
Wolfsburg West is making the Effbe diaphragm kits. You can see Effbe in one of the pictures in their ads.

https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198553
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111198555
https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=113127141WW


Do not see 021 198 555

Type-4 1.7 - 2.0 engine Type-4


Are you needing a rebuild kit for a type 4 fuel pump or a rebuilt type 4 fuel pump? No one is reproducing those type 4 kits which is why I rebuild the original type 4 Pierburg assemblies with new Effbe diaphragms.
There are some NOS rebuild kits out there.


Would love to get a rebuild kit (as a spare). But a pump I guess would suffice as well.
_________________
1972 Westy Hardtop/Type-4 2056cc
96mm Biral AA P/C's~7.8:1CR
Headflow Masters New AMC 42x36mm heads w/Porsche swivel adjusters
71mm Stroke
73 Web Cam w/Web solids
Dual 40mm IDF Webers - LM-2 - 47.5 idles/125 mains/190 air corr./F11 tubes/28mm Vents - Float height 10.45mm/Drop 32mm
Bosch SVDA w/Pertronix module (7.5 initial 28 total @ 3400rpm)
Bosch W8CC plugs
Pertronix Flamethrower 40K coil
S&S 4-1 w/Walker QP 17862
3 rib 002 Trans
185R14 Hankook tires
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wcfvw69 Premium Member
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PostPosted: Sat Jan 29, 2022 6:39 am    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

udidwht wrote:

Would love to get a rebuild kit (as a spare). But a pump I guess would suffice as well.


https://www.sparxwerks.com/product/rebuilt-pierburg-type-4-fuel-pump/3?cs=true&cst=custom

I don't sell the remanufactured rebuild kits separately. The reason I don't is that most of these fuel pumps need machining work to be successfully rebuilt correctly. There's some tricks of the trade to ensure they work like new.

I rebuild a lot of customers fuel pumps as well that they couldn't get to work after installing a rebuild kit. A lot of the rebuild kits sold today are terrible. WIth shipping costs these days, it is more cost effective for most customers to simply send their fuel pump in for a rebuild or purchase one outright.
_________________
Contact me at [email protected]
Follow me on instagram @sparxwerksllc

Decades of VW and VW parts restoration experience.
The Samba member since 2004.

**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours**
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wcfvw69 Premium Member
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PostPosted: Sat Jan 29, 2022 6:49 am    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

Also-

The type 4 main diaphragm assemblies are much different than the type 1-2 or 3. The upper fuel shut off diaphragm assembly is also a different outer diameter than the type 1 so it won't fit in the seat used on type 4 pumps.

All the type 1, 2, 3 and 4 diaphragm assemblies use the same size Effbe diaphragms.

The main diaphragm spring on the type 4 pump is 1.60mm thick vs. the 1.45mm spring thickness in the type 1 and 2 pumps.

In the type 4 main diaphragm assemblies, there's a spacer and seat that is made of plastic. It's commonly broken. I make replacements on a lathe in aluminum. There is also a spring that the assembly seats against that's also broken in 1/2 the pumps I take apart. So, this is why I don't sell rebuilt assemblies for these pumps.
_________________
Contact me at [email protected]
Follow me on instagram @sparxwerksllc

Decades of VW and VW parts restoration experience.
The Samba member since 2004.

**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours**
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View user's profile Send private message Send e-mail Gallery Classifieds Feedback
udidwht
Samba Member


Joined: March 06, 2005
Posts: 3777
Location: Seattle, WA./ HB, Ca./ Shizuoka, Japan
udidwht is offline 

PostPosted: Sat Jan 29, 2022 1:50 pm    Post subject: Re: What is the material used in fuel pump diaphragm ? Reply with quote

Thanks for the insight/info. I ran across a rebuild kit 10 years or so ago and nabbed it. Ended up using it a few years later on my pump.
_________________
1972 Westy Hardtop/Type-4 2056cc
96mm Biral AA P/C's~7.8:1CR
Headflow Masters New AMC 42x36mm heads w/Porsche swivel adjusters
71mm Stroke
73 Web Cam w/Web solids
Dual 40mm IDF Webers - LM-2 - 47.5 idles/125 mains/190 air corr./F11 tubes/28mm Vents - Float height 10.45mm/Drop 32mm
Bosch SVDA w/Pertronix module (7.5 initial 28 total @ 3400rpm)
Bosch W8CC plugs
Pertronix Flamethrower 40K coil
S&S 4-1 w/Walker QP 17862
3 rib 002 Trans
185R14 Hankook tires
Back to top
View user's profile Send private message Gallery Classifieds Feedback
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