Engine Components

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Engine Cover

Part Number: 14041JK21D
Infiniti Infiniti
Other Names: SRS-Ornament Assembly-Engine Cove
Replaces: 14041jk20a, 14041jk21a, 14041jk21b
Description: 3.5L, 2009-10. 3.5L, 3.7L.
Backordered

Engine Harness

Part Number: 240111MG0A
Infiniti Infiniti
Other Names: Check SRS For Stock
Backordered

Engine Harness

Part Number: 240126HN7E
Infiniti Infiniti
Other Names: Harness-Engine Room
Description: 3.0L, without pre-crash, all.
MSRP $4,645.56
$2,887.22

Engine Harness

Part Number: 240113WJ0A
Infiniti Infiniti
Other Names: EGI Harness
Description: Without awd.
MSRP $3,112.42
$1,934.37

Engine Piston

Part Number: A2010EY00F
Infiniti Infiniti
Notes: Includes Piston And Pin For One Cylinder.
Applications: 3.7L.
Other Names: Piston, Service File Piston W/Pin
Description: G37. Left. Standard. Q60. M37, Q70, Q70L. Grade 1. Incl.Piston Pin.
Backordered

Engine Harness

Part Number: 240126HH5C
Infiniti Infiniti
Other Names: Harness Assembly-Engine Room
Description: 3.0L, with pre-crash.
MSRP $4,306.29
$2,676.36

Engine Bracket

Part Number: 503111LA0A
Infiniti Infiniti
Notes: Included with frame assembly.
Other Names: Bracket Assembly-Engine Mounting
Description: Frame & crossmembers.
Backordered

Engine Harness

Part Number: 240121ND0A
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Description: Coupe, 2wd, auto trans, without technology pkg, without rr active steer.
Backordered

Engine Cover

Part Number: 140414GA0B
Infiniti Infiniti
Other Names: Ornament Assembly-Engine Cover
Description: 3.5L.
Backordered

Engine Harness

Part Number: 24012EJ70C
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Description: 3.5L, with tech package.
Backordered

Engine Cover

Part Number: 140411CA1C
Infiniti Infiniti
Other Names: SRS-Ornment
Replaces: 140411ca1a, 140411ca1b
Description: 5.0L.
Backordered

Engine Harness

Part Number: 240121NA0D
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Description: Auto trans, with tech pkg.
Backordered

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INFINITI Engine Components: Performance Foundation Parts

Tired of spending money on parts that might not fit? INFINITI Of Massapequa has the solution. Engine components form the foundation of your vehicle's performance capabilities, working together in precisely timed sequences to convert fuel into reliable power. From pistons and connecting rods to camshafts and valves, these components endure extreme heat, pressure, and friction through thousands of operation cycles. Maintaining these critical parts with factory-specified replacements ensures your luxury vehicle continues to deliver the refined performance, efficiency, and reliability that define the INFINITI driving experience.

Understand Engine Component Functions

Engine components operate in synchronized harmony to create controlled combustion. The rotating assembly (crankshaft, connecting rods, pistons) converts linear motion into rotational force, while the valve train (camshafts, lifters, valves) precisely controls air and fuel mixture flow. Sophisticated Q70 and QX80 models utilize advanced variable valve timing systems that enhance performance across all speed ranges. These primary components work alongside fuel injectors to create the perfect combustion environment. The integrated timing systems ensure all moving parts maintain perfect synchronization through thousands of RPM changes during normal driving conditions.

Monitor For Signs Of Engine Component Wear

Engine components typically last 100,000-150,000 miles before showing signs of significant wear, though driving habits greatly affect longevity. Warning indicators include unusual noises (knocking, ticking, or rattling), decreased performance, increased oil consumption, or reduced fuel economy. Modern engines utilize sophisticated sensors that detect minor 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.

Select 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, reliability, and noise reduction. While generic parts might cost less initially, they often use inferior materials or looser tolerances that accelerate wear on related components. Installing authentic INFINITI parts maintains the integrated design qualities that define your vehicle's sophisticated engineering.

Get your ride off the lift and back in the fast lane when you order genuine OEM parts from us.