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I have an issue. The transaxle was leaking so installed an upgrade on both since they are bad about warping.
they are both still leaking oil and I tighten the bolts to spec. Any help would be greatly appreciated

Would need the actual model of the BB or the HG transaxle to check parts.

But if you are referring the new charge pump cover gasket for ZT-2800, ZT-3100, ZT-3400 series. It comes with a .103 x 2.05 (dash -137) o-ring you can try changing it to the .099 x 2.05 square cut o-ring PN 55204.

Bzt48kt74003180289 is the model number
I put in new o rings as well
The kit I purchased from Badboy had all of that

2018 ZT ELITE.

ZL-KCEF-3BKC-1PXX LH Hydro​

ZL-KCEF-3BKC-1PXX RH Hydro​

HG-72274 Charge cover kit. List for $59.70.

And should come with a new gerotor set.

StarTech said:

2018 ZT ELITE.

ZL-KCEF-3BKC-1PXX LH Hydro​

ZL-KCEF-3BKC-1PXX RH Hydro​

HG-72274 Charge cover kit. List for $59.70.

And should come with a new gerotor set.
View attachment 65392

Click to expand...

I purchased and installed all of that