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Vern
21st August 2013, 10:47 AM
Probably in the wrong section here but it is Isuzu related.
Where would I find a 'B' section belt size alternator pulley to suit a 17mm straight shaft??Anyone:(

Hall
21st August 2013, 04:42 PM
Not standard, but a option. A industrial supply like black woods. A pulley with a taper lock centre. Just got to know what diameter you need. Also does the shaft have a key way? If so, easy enough to get a taper lock with a matching key way.
Cheers Hall

Bush65
21st August 2013, 05:33 PM
When I changed my alternator, the pulley from the 24V alternator (4BD1T from an Isuzu truck) was 'B' section and had a 17mm parallel bore and no key. I swapped this pulley onto the new 12V alternator in place of the 2x'A' pulley that it came with (meant for Nissan).

So maybe you could try truck wreckers, or auto electricians.

Vern
21st August 2013, 07:20 PM
That's exactly what I need John as I have a Nissan alternator which as you know has a straight 17mm shaft. The standard Isuzu alternator has a taper shaft which is a bummer.

bee utey
21st August 2013, 08:29 PM
I recall seeing B section single pulleys on early Toyota Land cruisers, 2F engines in particular. Failing that, many Bosch alternators run two piece tin pulleys which require little more than a spacer to make them wider. I've also sharpened a pointy HSS tool bit to recut cast iron pulleys when needed.

Vern
22nd August 2013, 04:56 PM
Thanks to Brian (bearman), pulley on its way:D

SheldonA
5th September 2013, 08:34 AM
I've just done the exact same thing yesterday. Aluminium pulley from Porters Industrial Supplies. Just needed to bore out hole to 17mm and cut key way.

Vern
5th September 2013, 08:38 AM
Pulley Brian sent fits perfect.
Sheldon, just wondering if you come across any of the air on pulleys and bracketry?

SheldonA
13th September 2013, 03:25 PM
Pulley Brian sent fits perfect.
Sheldon, just wondering if you come across any of the air on pulleys and bracketry?

Air con bracketery? No not really. The ones I have come across are all too low from the truck engines and hit the chassis in a landrover.

Vern
13th September 2013, 05:58 PM
Its actually the pulleys I'm after, as in, the double 'A' belt pulley that bolts to the front of the balancer, and the idler pulley and bracket the bolts to the lower right hand front of the engine.
If you see any then can you grab it for me.
Cheers

Judo
1st December 2016, 11:55 AM
Soo anyone have one of these spare, or know where I can easily procure one?

I rang a bunch of places but not having any luck. Most places that sell pulleys are very surprised at my requirement for a 17mm bore, B section 70mm diameter pulley.

Bearman
1st December 2016, 12:42 PM
Guessing it's the alternator pulley you are after Judo. There always seems to be some used alternators in every Graysonline monthly auction. The alternators will be stuffed but the pulleys should be ok - if you can get one cheap enough.

Judo
1st December 2016, 12:48 PM
Yes trying to fit a 70A bosch alternator but finding a suitable pulley is not as easy as I thought it would be!

I'll check out Grays.