What valve cover is this?

[BizarroStormy]

Can anyone tell me what vehicle this valve cover came from?

I recently purchased this 88 Pioneer with a 4.0 and I was replacing the rear vent grommet and breather tube because the old one was held in place with a chain of zip ties.

The vent holes are much larger than the stock ones as the (supposedly stock) valve cover grommet I got is much smaller and does not fit.

You can see the stock one sitting on top of the current grommet in one of the pictures.

Also if anyone can suggest a grommet that will take the stock breather hose that would be appreciated.

 

[87Chief]

Maybe a yj wrangler.

Sent from my SM-G930V using Tapatalk

[yxmj]

After Market, 4.0 YJ's only came with plain Jane metal covers

 

Here is another example

https://collinsbrosjeep.com/93-04-yj-tj-4-0l-aluminum-valve-cover/

[Strokermjcomanche]

Yep aftermarket, have the same cover on my red 88 

[BizarroStormy]

Thanks for the information everyone. Strokermjcomanche what did you end up using on the rear vent to get it to fit?

[Warren Mohler]

take a look at an AMC 258 I believe they had larger gromets

[Strokermjcomanche]

2 hours ago, BizarroStormy said:

Thanks for the information everyone. Strokermjcomanche what did you end up using on the rear vent to get it to fit?

I'm pretty sure that valve cover uses the same grommets as a 97+ valve cover, I end up using the old style grommet and silicone in it into the other grommet and it worked fine. 

[BizarroStormy]

So I got it worked out today.

I got this Dorman HELP! 42344 PCV Valve Grommet, Dorman 47079 HELP! PCV Elbow, and DORMAN 47128 PCV Hose         

from Amazon. I then took the the white tip off the stock PCV hose and inserted it into the necked down portion of the Dorman PCV hose and used a clamp to keep it in as there is no barb.

I then ran 3/16" SAE J30R7 hose from the white barb to the intake side.

Drove it around town for about 30 minutes and it appears to be working and staying in place.