Apex AVC570S Engine Valve Cover Gasket Set

Apex AVC570S Valve Cover Gasket Set

The Apex AVC570S engine valve cover gasket set is a direct-fit sealing solution for select Nissan and INFINITI V8 applications. It is built for vehicles that use attached spark plug tube seals and is listed for both sides where noted in the fitment data.

• Engine valve cover gasket set for sealing the valve cover to the cylinder head
• Fits applications with attached spark plug tube seals
• Compatible with both sides on listed INFINITI and Nissan models
• Part number: AVC570S
• Fits 2014-2019 INFINITI QX80, w/attached spark plug tube seals; Both sides
• Fits 2017-2019 Nissan Armada, w/Attached spark plug tube seals; Both sides
• Fits 2017-2019 Nissan TITAN, w/Spark plug tube seals; Both sides
• Fits 2016-2019 Nissan TITAN XD, w/Spark plug tube seals; Both sides
• Fits 2011-2013 INFINITI QX56, w/attached spark plug tube seals; Both sides

Detailed Fitment and Function

Use the Apex AVC570S when replacing a leaking or deteriorated valve cover gasket on select INFINITI QX80, INFINITI QX56, Nissan Armada, Nissan TITAN, and Nissan TITAN XD models. This gasket set addresses the sealing interface around the valve cover and spark plug tube areas, helping restore proper engine sealing on the listed V8 applications. The part number AVC570S is the reference to verify before ordering.

Common Problems This Part Can Address

• Oil seepage around the valve cover perimeter
• Oil residue collecting near spark plug tube openings
• Burning-oil odor from valve cover leaks
• Visible gasket hardening, cracking, or flattening
• Loss of sealing at the cylinder head-to-valve cover interface

Installation Notes

Confirm engine configuration and match the vehicle to the listed fitment before installation. Clean the sealing surfaces thoroughly, inspect the valve cover for warpage or damage, and replace any contaminated spark plug tube seals as required by the application. Follow factory torque specifications and tightening sequence for the best sealing results.

Quality Assurance

Apex replacement sealing components are cataloged for specific vehicle applications and should be matched by part number and fitment details. Verify AVC570S against your VIN and engine configuration before installation.