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Wilfred
Thread and hose barb size
#1
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Hi Guys.
Could someone please tell me what both the thread and hose barb sizes are for the two fittings the bolt into the head at the two points indicated? I know the rear one is 90degrees while the front is straight but if someone could shed some light that would be great.

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Posted on: 2019/10/21 23:26
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ddgonzal
Re: Thread and hose barb size
#2
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The one at the rear of the cylinder head is:
* 27070-H1000 CONNECTOR-WATER INLET
OR, for no-heater (STD) models:
* 00931-30610 PLUG-HEATER OUTLET HOLE

For sale on eBay now

As you can see they are taper threads. The hose barb is 17.5mm over 16mm O.D. tube (for 13 mm I.D. hose)

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Posted on: 2019/10/22 9:34
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ddgonzal
Re: Thread and hose barb size
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The front one is the temperature sender (or as Nissan calls it the "thermal transmitter"

M16 x 1.5 threads

The original is a two-piece type with a threaded collar
newer versions are a one-piece type with the threads cut into the transmitter

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Posted on: 2019/10/22 12:48
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Wilfred
Re: Thread and hose barb size
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Thank you very much!

Posted on: 2019/10/22 22:18
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zigmondo
Re: Thread and hose barb size
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Quote:

ddgonzal wrote:
The one at the rear of the cylinder head is:
* 27070-H1000 CONNECTOR-WATER INLET
OR, for no-heater (STD) models:
* 00931-30610 PLUG-HEATER OUTLET HOLE

For sale on eBay now

As you can see they are taper threads. The hose barb is 17.5mm over 16mm O.D. tube (for 13 mm I.D. hose)

Open in new window


BSP or NTP

Posted on: 2019/10/23 0:05
_________________
'79 B120 ute(TURBO EFI A15 + 60 ser.5spd )
'83 Clubman 7 ( TURBO EFI A15 + 63 ser.dog 5spd )
'73 KB110 Coupe Mild A15 5spd ( Quad carb revver soon)

keep it simple
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ddgonzal
Re: Thread and hose barb size
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Neither, it is metric. You can measure the hole, then go to a hardware store or bolt store and get one the same size

The A12 is all metric except the early flywheel bolts and the oil sender threads as far as I know

Posted on: 2019/10/23 3:50
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