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Valve Covers

31705X608B - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705-X608B
$1,865.64
MSRP $2,369.07
Save $503.43
21.3% Off
149195NA0B - : Vacuum Check Valve Bracket for Infiniti Image

Vacuum Check Valve Bracket

Infiniti 14919-5NA0B
$37.94
MSRP $45.33
Save $7.39
16.3% Off
31705X342C - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705X342C
Incl.Auto Trans Control Solenoid.
$1,700.75
MSRP $2,159.69
Save $458.94
21.3% Off
118305CA1A - : Engine Crankcase Vent Valve for Infiniti Image

Engine Crankcase Vent Valve

Infiniti 11830-5CA1A
Oil Separator Assy.
$200.78
MSRP $292.25
Save $91.47
31.3% Off
31705X406E - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705-X406E
Fits Q60 Incl.Auto Trans Control Solenoid.
$1,681.39
MSRP $2,135.10
Save $453.71
21.3% Off
118305NA0A - : Engine Crankcase Vent Valve for Infiniti Image

Engine Crankcase Vent Valve

Infiniti 11830-5NA0A
Oil Separator Assy.. Incl.Gasket. To 05/2021.
Backordered
31705X344C - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705X344C
Incl.Auto Trans Control Solenoid.
$1,350.70
MSRP $1,715.17
Save $364.47
21.2% Off
31705X036C - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705-X036C
Incl.Auto Trans Control Solenoid.
Backordered
118106SY0A - : Positive Crankcase Ventilation Valve for Infiniti Image

Positive Crankcase Ventilation Valve

Infiniti 118106SY0A
$28.89
MSRP $34.52
Save $5.63
16.3% Off
31705X036B - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705-X036B
Incl.Auto Trans Control Solenoid.
$1,936.54
MSRP $2,459.09
Save $522.55
21.2% Off
31705X606B - : Automatic Transmission Valve Body for Infiniti Image

Automatic Transmission Valve Body

Infiniti 31705-X606B
Fits M37, M56, Q70 Incl.Auto Trans Control Solenoid.
$1,861.62
MSRP $2,363.96
Save $502.34
21.2% Off
132062300A - : Engine Valve Spring Retainer for Infiniti Image

Engine Valve Spring Retainer

Infiniti 13206-2300A
Inner Spring. Exhaust.
$2.18
MSRP $2.60
Save $0.42
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.