Valve Covers

31705X324C - : Valve Assembly - Control for Infiniti Image

Valve Assembly - Control

Infiniti 31705X324C
$1,711.77
MSRP $2,164.05
Save $452.28
20.9% Off
212305AF0A - : Valve Assembly-Water Control for Infiniti Image

Valve Assembly-Water Control

Infiniti 212305AF0A
$142.77
MSRP $206.92
Save $64.15
31% Off
212303NT0B - : Valve Assembly-Water Control for Infiniti Image

Valve Assembly-Water Control

Infiniti 212303NT0B
$94.14
MSRP $132.97
Save $38.83
29.2% Off
31705X986E - : Valve Assembly - Control for Infiniti Image

Valve Assembly - Control

Infiniti 31705X986E
Fits G37, G37X, Q40
$2,223.43
MSRP $2,810.91
Save $587.48
20.9% Off
317123SX0A - : Body-Sub, Control Valve for Infiniti Image

Body-Sub, Control Valve

Infiniti 317123SX0A
$58.60
MSRP $75.13
Save $16.53
22% Off
927984M402 - : Expansion Valve Seal for Infiniti Image

Expansion Valve Seal

Infiniti 927984M402
$11.00
MSRP $13.10
Save $2.10
16% Off
14958EM30A - : Vacuum Check Valve for Infiniti Image

Vacuum Check Valve

Infiniti 14958EM30A
V6-3.5l. 4 cyl - 2.0l turbo. 5.6L. Vacuum valve. QX60. 2.5l.
$25.66
MSRP $30.54
Save $4.88
16% Off

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Valve Covers: Protecting Precision Engineering

Don't compromise with unreliable alternatives when genuine components are within reach. That's where Douglas INFINITI excels. These sophisticated assemblies protect INFINITI's advanced valve train systems while maintaining oil containment and providing access for service. 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.

Investing in quality components today can prevent costly repairs in the future. Trust Douglas INFINITI to keep your vehicle in top condition.