Vehicle engines have many moving parts that require a constant oil supply or need to be shielded from it. Valve cover gaskets, among other gaskets, keep oil where it is needed and prevent leaks to ...

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Valve Cover Gasket Jeep Cherokee Engines 4.0 4.2L online, Jeep 4.0 Valve Cover Gasket Replacement online, Replacing the likely original valve cover gasket on an 03 wrangler online, VALVE COVER GASKET ...

It’s well known that, years ago, some genius at AMC decided it would be a good idea to put plastic valve covers on Jeep 4.2L (258ci) engines. Unfortunately, it didn’t take long for them to start ...

As a vehicle's engine operates, the intake and exhaust valves open and close rapidly while the pistons move up and down in the cylinder. These mechanical actions require a constant supply of hot oil ...

If oil isn’t dripping from beneath your Jeep TJ’s inline-six, it’s because it’s either brand new or the rear main seal has been replaced within the last 40,000 miles. That’s just a fact of four-liter ...