Author Topic: WTB: Cranks pullys for AHU, 1Z, AAZ  (Read 40 times)

June 05, 2026, 02:31:53 pm

fatmobile

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WTB: Cranks pullys for AHU, 1Z, AAZ
« on: June 05, 2026, 02:31:53 pm »
The crank pullys on my friend's project are looking fried.
 Swapping the AAZ serpentine belt setup onto a 1.6.
The harmonic balancer pully is torn up where the timing belt rode against it and the v-belt pully is all bent, weak and rusty.
 part numbers:
 serpentine belt harmonic balancer pully 028 105 243 H (AAZ)or T (AHU).
 Fits most of the MK3 diesels.
 And the v-belt pully 028 105 253 A not sure what it comes from.
Tornado red, '91 Golf 4 door, with M-TDI 12mm pump, south bend clutch, VNT-15 turbo, 02A trany
MK4s: 2000 TDI jetta, 2003 TDI wagon, 2000 golf 2.0 gasser.
'84 Rabbit with 1.7TD KY block pistons bored to 80mm, VNT-15
'84 GTI with stock 1.6TD starion intercooler.

Reply #1June 05, 2026, 06:23:38 pm

vwpieces

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Re: WTB: Cranks pullys for AHU, 1Z, AAZ
« Reply #1 on: June 05, 2026, 06:23:38 pm »
Hello Craig, I have a New 028 T harmonic balancer. Never used it.
Also in the hoard I have an 037 pulley for 9.5/10mm wide belt that might just be a tad smaller diameter than the 028. Fits perfectly into the balancer.
make an offer on the 028 T harmonic and the 037 is free, if it fits, awesome.
Some pics and measures...





« Last Edit: June 05, 2026, 06:53:16 pm by vwpieces »

Reply #2Today at 12:05:58 am

fatmobile

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Re: WTB: Cranks pullys for AHU, 1Z, AAZ
« Reply #2 on: Today at 12:05:58 am »
 I'll check those measurements against the v-belt pully.
 And I'll see what Aaron wants to pay.
 Was kinda hoping for a cheap used one.
 Hate to grab a new one out of your stash for this used 1.6 engine.
Tornado red, '91 Golf 4 door, with M-TDI 12mm pump, south bend clutch, VNT-15 turbo, 02A trany
MK4s: 2000 TDI jetta, 2003 TDI wagon, 2000 golf 2.0 gasser.
'84 Rabbit with 1.7TD KY block pistons bored to 80mm, VNT-15
'84 GTI with stock 1.6TD starion intercooler.