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Valve Covers

31705X433A - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-X433A
FX35. Rwd. From 2/11.
$1,873.14
MSRP $2,378.59
Save $505.45
21.2% Off
3170514X8B - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-14X8B
From 11/2014. Incl.Auto Trans Control Solenoid. QX70. 3.7l. Awd. From 4/14.
$1,598.36
MSRP $2,029.66
Save $431.30
21.2% Off
31705CM39D - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-CM39D
G35. Coupe. From 6/03.
$1,551.04
MSRP $1,969.57
Save $418.53
21.2% Off
3170576X1D - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-76X1D
QX70. 5.0l.
$1,814.19
MSRP $2,303.73
Save $489.54
21.2% Off
View Details
31705X686C - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-X686C
FX50. From 2/13.
$1,384.70
MSRP $1,758.34
Save $373.64
21.2% Off
3170561X4C - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-61X4C
To 01/08. Fx. 4.5l.
$2,209.84
MSRP $2,806.14
Save $596.30
21.2% Off
3170592X4A - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-92X4A
Fx. 3.5l. 4wd. All.
$1,645.11
MSRP $2,089.03
Save $443.92
21.3% Off
31705X381E - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-X381E
Fits FX35, G25, G35, G37, G37X, Q40 Rwd. FX35. To 2/11.
$1,923.05
MSRP $2,441.97
Save $518.92
21.3% Off
31705X620D - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-X620D
FX37. Rwd.
$1,619.97
MSRP $2,057.10
Save $437.13
21.2% Off
3170591X8C - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-91X8C
Fx. 3.5l. 4wd. All.
$1,238.27
MSRP $1,572.40
Save $334.13
21.2% Off
3170591X8B - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-91X8B
Fx. 4.5l.
$2,124.73
MSRP $2,698.07
Save $573.34
21.3% Off
31705X600E - : Valve Body for Infiniti Image

Valve Body

Infiniti 31705-X600E
Fits FX37, FX50, QX70 Awd. To 4/14. QX70. 3.7l. To 11/2014. Incl.Auto Trans Control Solenoid.
$1,924.83
MSRP $2,444.22
Save $519.39
21.2% 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.