Phenolic manifold spacer - to be or not to be??


jrny4rbys

Forum Member

Joined
Oct 14, 2025
Messages
26
Points
101
City
South Mills
State - Country
NC - USA
Vehicle Year
1997
Vehicle
Ford Ranger
Drive
4WD
Engine
4.0 V6
Transmission
Manual
I need some guidance here. We're replacing manifold / valve cover gaskets as well as other parts to our 1997 Ranger with the 4.0 OHV. We purchased a Mahle gasket kit and it states - for the lower intake manifold - that 1996 and up (EXCEPT 1997) there should be a 3mm phenolic (plastic) spacer installed. Sounds pretty clear, except at disassembly, we found this: the blue felpro (pc #90732). What the heck is this? Is this the spacer that the 97 should NOT have? There were no other gaskets with it. Just that.

So, do we just use one of the two Mahle gaskets?
Or do we sandwich the spacer with the two new Mahle gaskets per the instructions though the 97 should not have a spacer?

Thoughts on this situation? Thank you in advance.
 

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  • Phenolic manifold spacer - to be or not to be??
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  • Phenolic manifold spacer - to be or not to be??
    PXL_20251115_185417658.jpg
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The piece you removed IS the gasket, I wouldn't layer new ones on it. If the sealing beads around the ports look in good shape I'd clean it and reinstall it.
 

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