Keep metered air sealed inside the intake tract and help guard against vacuum leaks with the APEX Engine Intake Manifold Gasket Set (MPN AMS5360). It installs as a direct-fit replacement for the 1990-1996 Infiniti Q45 equipped with the V8-4.5L engine, restoring the seal between the intake manifold and the cylinder head.
This is a two-part application, so the set covers the lower and upper intake manifold sealing points.
- Lower and upper coverage: gaskets for both the lower and upper intake manifold connections on this engine.
- Air-side seal: maintains a tight joint so only metered air moves through the intake tract, helping avoid a vacuum leak or lean condition.
- Application-matched set: supplied for the listed V8-4.5L application; per-application quantity is 1.
Intake manifold gaskets can harden, shrink, or crack with age and heat cycling. If a failed intake gasket is the cause of a rough idle, hissing vacuum leak, or a lean-running condition, replacing it with this set addresses that leak path. Diagnose the underlying cause before replacing, as these symptoms can have other sources.
Manufacturer part number AMS5360.
Frequently Asked Questions
What does this gasket set seal?
It seals the joint between the intake manifold and cylinder head, keeping metered air within the intake tract on the V8-4.5L engine. This application uses both lower and upper intake manifold gaskets.
Which vehicle does AMS5360 fit?
It's a direct-fit replacement for the 1990-1996 Infiniti Q45 with the V8-4.5L engine. See the Buyer's Guide tab to confirm your vehicle.
Does the set cover both lower and upper intake manifolds?
Yes. On this engine the intake is a two-piece design, so the set supplies gaskets for both the lower and upper intake manifold sealing points.
What are signs I may need this gasket set?
A rough idle, a hissing vacuum leak, or a lean-running condition can be signs an intake gasket may need replacing. Diagnose the cause first, since these symptoms can have other sources.
How many sets do I need?
The per-application quantity is 1, so the listed Q45 application uses one set. Package contents are as stated on the listing.
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