Carquest part number for front main seal in the RB motor is;

Discuss the RB20, RB25 and RB26 series engines.
240z4u
Posts: 2071
Joined: Mon Feb 21, 2005 4:47 am
Car: '95 Nissan 240SX

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Its a Victor Reinz gasket and the part number is 66991. Listed as a z32 cam seal (as I was told by you guys).

Hope that help someone.

Evan


Darius
Posts: 4820
Joined: Sun Mar 02, 2003 9:48 am
Car: RB25DET S14 - 665 WHP (SOLD)
Location: Chicagoland

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How tight of a fit was your gasket? I put mine on over the JUN crank collar and it seemed hella tight and now it is leaking slightly. Yes, I just typed the word hella.

240z4u
Posts: 2071
Joined: Mon Feb 21, 2005 4:47 am
Car: '95 Nissan 240SX

Post

I definitely would not say "hella" tight LOL

It slid smoothly over the snout of the crank. I literally pushed it into place with my fingers and the timing belt pulley. Fit like any other seal of that type I have installed.

I did NOT have to force it. I had my crank snout extended by a machinist who welded on material then ground it back off. That left me with the normal factory dimension snout.

If it was too tight, I imagine it would tear up the seal. You may want to make a few phone calls after measuring the OD of your snout to try to find a better fit.

Get that thing back apart asap, it makes a tremendous mess. My timing belt was kind of "sticky" when I took it out

Evan


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