Engine Components

24012CL81A - : Engine Wiring Harness for Infiniti Image

Engine Wiring Harness

Infiniti 24012CL81A
4.5L with active cruise.
Discontinued
240123ZD0A - : Engine Wiring Harness for Infiniti Image

Engine Wiring Harness

Infiniti 240123ZD0A
4wd, with technology pkg.
Discontinued
240118Y70A - : Engine Wiring Harness for Infiniti Image

Engine Wiring Harness

Infiniti 240118Y70A
3.5L without active cruise.
Discontinued
21710AR00A - : Engine Coolant Reservoir for Infiniti Image

Engine Coolant Reservoir

Infiniti 21710AR00A
Q45. Recovery tank. 2002-2004. Reservoir assy. 2005-06.
Discontinued
135707S020 - : Engine Timing Cover for Infiniti Image

Engine Timing Cover

Infiniti 135707S020
QX56. Left. Timing chain.
Discontinued
24012AM802 - : Engine Wiring Harness for Infiniti Image

Engine Wiring Harness

Infiniti 24012AM802
Manual trans to 3-03.
Discontinued
24012EJ70D - : Engine Wiring Harness for Infiniti Image

Engine Wiring Harness

Infiniti 24012EJ70D
4.5L without Tech package.
Discontinued
11099EA200 - : Engine Valve Seat for Infiniti Image

Engine Valve Seat

Infiniti 11099EA200
From 04/07. Exhaust. To 04/2008.
Discontinued

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Engine Components: Precision Performance for Your INFINITI

At Grubbs INFINITI Grapevine, we understand that your engine is the heart of your vehicle’s performance. Genuine INFINITI engine components are engineered to deliver precision, durability, and long-term reliability. From internal parts to supporting systems, each component is designed to work together seamlessly for optimal performance. Your INFINITI depends on high-quality engine components to maintain power, efficiency, and smooth operation.

How Engine Components Work Together

Engine components include parts such as pistons, gaskets, sensors, and timing systems that work together to create controlled combustion. Air, fuel, and spark are precisely managed to generate power while minimizing emissions. Lubrication and cooling systems support internal movement and temperature control. These systems integrate with the fuel system and ignition components for efficient operation.

What Causes Engine Component Wear

Heat, friction, and pressure naturally wear internal engine parts over time. Inadequate lubrication can accelerate metal-on-metal contact. Contaminated oil or fuel can damage sensitive components. Extended service intervals may also increase wear and reduce efficiency.

Signs of Engine Component Issues

Rough idling, reduced power, or poor fuel economy may indicate internal wear or failure. Unusual knocking or ticking sounds can signal mechanical issues. Warning lights or diagnostic trouble codes often point to sensor or system malfunctions. Genuine INFINITI engine components are designed for precise fitment and dependable long-term performance.

Grubbs INFINITI Grapevine provides OEM engine components built to restore factory performance and reliability.