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Valve Covers

407034CB0A - : Tire Pressure Monitoring System (TPMS) Valve Stem Cap for Infiniti Image

Tire Pressure Monitoring System (TPMS) Valve Stem Cap

Infiniti 40703-4CB0A
$1.86
MSRP $2.21
Save $0.35
15.8% Off
1493554U0D - : Vapor Canister Purge Solenoid for Infiniti Image

Vapor Canister Purge Solenoid

Infiniti 14935-54U0D
All Required. Location-Vapor Canister. G20. #2. From 04/1997.
$142.44
MSRP $207.33
Save $64.89
31.3% Off
122977S000 - : Engine Variable Valve Timing (Vvt) Solenoid Housing Seal for Infiniti Image

Engine Variable Valve Timing (Vvt) Solenoid Housing Seal

Infiniti 12297-7S000
QX56.
$84.37
MSRP $119.67
Save $35.30
29.5% Off
407035ZH0A - : Tire Pressure Monitoring System (TPMS) Valve Stem Cap for Infiniti Image

Tire Pressure Monitoring System (TPMS) Valve Stem Cap

Infiniti 407035ZH0A
$12.35
MSRP $14.75
Save $2.40
16.3% Off
23797EY01A - : Engine Variable Valve Timing (Vvt) Solenoid Housing Gasket for Infiniti Image

Engine Variable Valve Timing (Vvt) Solenoid Housing Gasket

Infiniti 23797-EY01A
$16.52
MSRP $19.74
Save $3.22
16.3% Off
407704CB0A - : Tire Pressure Monitoring System (TPMS) Sensor Valve Assembly for Infiniti Image

Tire Pressure Monitoring System (TPMS) Sensor Valve Assembly

Infiniti 40770-4CB0A
Incl.Cap.
$48.04
MSRP $61.84
Save $13.80
22.3% Off
407706RA0A - : Tire Pressure Monitoring System (TPMS) Sensor Valve Assembly for Infiniti Image

Tire Pressure Monitoring System (TPMS) Sensor Valve Assembly

Infiniti 40770-6RA0A
Incl.Cap. From 09/21. QX60. From 08/2021.
Backordered
40703JK00B - : Tire Pressure Monitoring System (TPMS) Valve Stem Cap for Infiniti Image

Tire Pressure Monitoring System (TPMS) Valve Stem Cap

Infiniti 40703-JK00B
From 08/2009.
$13.62
MSRP $16.27
Save $2.65
16.3% Off
149195NA1A - : Exhaust Gas Re-Circulation (Egr) Vacuum Delay Valve Bracket for Infiniti Image

Exhaust Gas Re-Circulation (Egr) Vacuum Delay Valve Bracket

Infiniti 149195NA1A
4 cyl - 2.0l turbo.
$36.47
MSRP $43.57
Save $7.10
16.3% Off
23797JA10B - : Engine Variable Valve Timing (Vvt) Solenoid Housing Gasket for Infiniti Image

Engine Variable Valve Timing (Vvt) Solenoid Housing Gasket

Infiniti 23797-JA10B
$17.26
MSRP $20.61
Save $3.35
16.3% Off
40703CD001 - : Tire Pressure Monitoring System (TPMS) Valve Stem Cap for Infiniti Image

Tire Pressure Monitoring System (TPMS) Valve Stem Cap

Infiniti 40703-CD001
To 04/07. To 08/06.
$10.60
MSRP $12.67
Save $2.07
16.3% Off
40703JA00A - : Tire Pressure Monitoring System (TPMS) Valve Stem Cap for Infiniti Image

Tire Pressure Monitoring System (TPMS) Valve Stem Cap

Infiniti 40703-JA00A
From 04/07. From 08/06.
$2.89
MSRP $3.45
Save $0.56
16.2% Off

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Valve Covers: Protecting Precision Engineering

Ever wondered how your vehicle adapts to various driving conditions, or when it might need some expert attention? These sophisticated assemblies protect INFINITI's advanced valve train systems while maintaining oil containment and providing access for service. At Modern INFINITI of Winston-Salem, we recognize how these precision-crafted covers contribute to engine longevity and performance reliability. Proper valve cover maintenance ensures your INFINITI engine continues delivering the smooth, powerful performance that defines the brand's reputation for engineering excellence.

INFINITI's Advanced Valve Cover Design

INFINITI valve covers feature lightweight aluminum construction with integrated PCV systems, oil separators, and mounting provisions for direct injection components. These covers house sophisticated variable valve timing mechanisms and provide precise oil circulation pathways. High-performance engines in models like the Q70 and QX80 use specially designed covers that accommodate turbocharging systems and advanced emission controls. The covers integrate seamlessly with ignition systems and other engine accessories to maintain the clean, organized appearance characteristic of INFINITI engine bays.

Maintenance Requirements and Service Life

INFINITI valve covers typically develop gasket leaks between 100,000 and 140,000 miles as sealing materials age and thermal cycling takes its toll. Premium engines with turbocharging or high-performance applications may require earlier attention due to increased heat and pressure. Symptoms include oil seepage, burning oil odors, or visible oil accumulation around gasket surfaces. Generic aftermarket covers often lack the integrated PCV systems and precise tolerances required for INFINITI's sophisticated engines. Genuine INFINITI valve covers ensure proper sealing, oil management, and integration with advanced engine systems that maintain your vehicle's performance standards and environmental compliance throughout its service life.

Most drivers know the basic functions of their vehicle's systems, but fewer understand the signs of gradual wear and when replacement becomes necessary.