Engine Components

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Engine Cover

Part Number: A40411A34B
Infiniti Infiniti
Other Names: SRS-Ornment
Replaces: a40411a33e
Description: 3.7L, with ipl model.
Backordered

Engine Harness

Part Number: 240119PR1A
Infiniti Infiniti
Other Names: Harness-EGI
Description: Without hybrid, awd.
MSRP $1,271.60
$790.30

Engine Harness

Part Number: 24012AM800
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Description: Coupe, auto trans, to 3-03.
Backordered

Engine Harness

Part Number: 240105CD0C
Infiniti Infiniti
Other Names: Harness-Main
Description: 2.0L, with navigation.
Backordered

Engine Harness

Part Number: 240126HL1B
Infiniti Infiniti
Other Names: Harness-Engine Room
Description: 3.0L, with pre-crash.
MSRP $4,498.20
$2,795.63

Engine Harness

Part Number: 24012JK61C
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Replaces: 24012jk60a
Description: Auto trans, without tech pkg.
Backordered

Engine Harness

Part Number: 240114HK5B
Infiniti Infiniti
Other Names: Harness-Sub, Engine
Description: 3.0L, without high output.
MSRP $3,682.20
$2,288.49

Engine Harness

Part Number: 240121ND0C
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Description: Coupe, 2wd, auto trans, with technology pkg, 2wd, auto trans, with technology pkg.
Backordered

Engine Harness

Part Number: 240119PJ0A
Infiniti Infiniti
Other Names: Harness Assembly-EGI
Description: Without hybrid, awd.
MSRP $1,987.22
$1,235.06

Engine Harness

Part Number: 240126HH0A
Infiniti Infiniti
Other Names: Harness Assembly-Engine Room
Description: 3.5L, without pre-crash.
Backordered

Engine Harness

Part Number: 240121NG0B
Infiniti Infiniti
Notes: Order by description.
Other Names: Harness Assembly-Engine Room
Replaces: 240121nj0c
Description: Convertible, with technology pkg, auto trans. Coupe, with technology pkg, auto trans.
Backordered

Engine Harness

Part Number: 240124GA0D
Infiniti Infiniti
Other Names: Harness-Engine Room
Description: 3.7L, with auto h'lamps, with pre-crash.
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.