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Engine Components

21481EJ70A - : Engine Cooling Fan Assembly for Infiniti Image

Engine Cooling Fan Assembly

Infiniti 21481-EJ70A
Incl.Fan Blade & Motor.
Discontinued
130701CA1A - : Engine Timing Chain Tensioner for Infiniti Image

Engine Timing Chain Tensioner

Infiniti 13070-1CA1A
Crank To Cam. Adjuster. FX50. Right. QX70.
Discontinued
16554CG200 - : Engine Air Intake Hose for Infiniti Image

Engine Air Intake Hose

Infiniti 16554-CG200
Intake duct. 4.5L, 2003-06. 4.5L, 2007-08.
Discontinued
16576CL70B - : Engine Air Intake Hose for Infiniti Image

Engine Air Intake Hose

Infiniti 16576-CL70B
4.5L 2007-08. Duct assy.
Discontinued
122145P404 - : Engine Crankshaft Main Bearing for Infiniti Image

Engine Crankshaft Main Bearing

Infiniti 12214-5P404
Position-1. Grade-4.
Discontinued
23710JK66D - : Engine Control Module (ECM) for Infiniti Image

Engine Control Module (ECM)

Infiniti 23710-JK66D
G35. With rear steering. Without navigation system. From 6/07. To 6/07. Manual trans, with active steering, without navigation sys....
Discontinued
1223040V63 - : Engine Crankshaft Main Bearing for Infiniti Image

Engine Crankshaft Main Bearing

Infiniti 12230-40V63
Position-2,3. Grade 3.
Discontinued
237101CV1E - : Engine Control Module (ECM) for Infiniti Image

Engine Control Module (ECM)

Infiniti 23710-1CV1E
FX50. Sport Package. Technology Package. From 06/2008. To 09/2008.
Discontinued
237101NJ4B - : Engine Control Module (ECM) for Infiniti Image

Engine Control Module (ECM)

Infiniti 23710-1NJ4B
G37. Convertible, with manual trans, without tech. Exc.Technology Package. From 07/2010.
Discontinued

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INFINITI Engine Components: Precision Performance Parts

From vintage classics to cutting-edge models, the experts at Modern INFINITI of Winston-Salem have the specialized parts for your unique vehicle needs. Engine components form the foundation of your vehicle's performance systems, working together in precisely coordinated sequences to convert fuel into reliable power. From pistons and connecting rods to valves and timing chains, these parts endure extreme temperatures, pressures, and friction through thousands of operation cycles. Maintaining these critical components with factory-specified replacements ensures your luxury vehicle continues to deliver the refined performance, efficiency, and reliability that define the INFINITI driving experience.

Understand How Engine Components Work Together

Engine components function as an integrated system where each part affects overall performance. The rotating assembly (crankshaft, connecting rods, pistons) converts combustion energy into rotational force, while the valve train (camshafts, lifters, valves) precisely controls air and fuel mixture flow. Advanced performance models like the Q70 and QX55 utilize sophisticated variable valve timing systems that maximize output across all speed ranges. These primary components work alongside fuel system elements to create controlled combustion events. The precision timing systems ensure all moving parts maintain perfect synchronization despite temperature variations and load changes.

Identify Signs of Engine Component Wear

Most engine components last between 100,000-150,000 miles before showing significant wear, though driving habits greatly affect longevity. Warning indicators include unusual noises (knocking, ticking, or rattling), decreased performance, excessive oil consumption, or reduced fuel economy. Modern engines utilize sophisticated sensors that detect subtle changes in timing or compression, illuminating dashboard warning lights before catastrophic failure occurs. Regular oil analysis can identify metal particles that indicate specific component wear before noticeable performance degradation.

Choose Factory-Engineered Replacement Parts

Genuine INFINITI engine components provide significant advantages over aftermarket alternatives. Factory parts match exact material specifications, tolerances, and heat treatments required for long-term durability under demanding conditions. These components undergo extensive testing to ensure they meet strict standards for performance and reliability. While generic parts might cost less initially, they often use inferior materials that accelerate wear throughout the engine. Installing authentic INFINITI components maintains the integrated design qualities that define your vehicle's sophisticated engineering.

Make your pit stop a short one when you purchase genuine OEM parts from Modern INFINITI of Winston-Salem.