4BT rebuilt pump.

[One_punchmachinegun]

Hey guys I've got a 4BT rotary pump that I would like to put up for sale. I recently bought it with the intention to go mechanical with the TDI, but after thinking about it I've decided against it.

I would like to start at $400.00+shipping.

I will send pictures upon request.

Thanks much,

Timmothy

[One_punchmachinegun]

Bump

[One_punchmachinegun]

Bump.

[vanbcguy]

Posting pictures would really help with your sale. We don't know if this pump is a brand new Bosch rebuild still bagged and tagged or a greasy junkyard pull open to the elements.

[One_punchmachinegun]

I understand, and thank you. I will post pictures tomorrow.

[One_punchmachinegun]

Pictures are up.

[One_punchmachinegun]

Bump, I still have this.. make an offer.. 😶

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[burn_your_money]

12mm pump right? just like the 6bt?

[libbydiesel]

The 4BT is 12mm.

[One_punchmachinegun]

Correct, there were some that came out not being 12mm after reading some so I will double check with some part numbers

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[One_punchmachinegun]

The part number is 3917530LA , M060806020B,
Libby you might be able to help out and figure out if it's 12my or not.

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[libbydiesel]

IMO, the easiest way to be certain of the plunger diameter is to remove the end cap and use calipers.  Torque it back to 55 ft-lbs.  For the socket you can get a 24mm 6pt socket and grind out three of the 6 flats or get a 24mm 12 pt and grind out 6 of the points - remove 2 and leave 2, etc... 

[One_punchmachinegun]

Do you mean the remove the pump head.

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[libbydiesel]

No, I mean remove the end plug (large nutlike thing with the triangular head).

[One_punchmachinegun]

Bump, I've not fabricated a socket yet. I did find that all 4BT pump 12mm. I have every intention of verifying it but it's very doubtful that it's not.

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