Engine Components

16576JK21B - : Engine Air Intake Hose for Infiniti Image

Engine Air Intake Hose

Infiniti 16576JK21B
Fits EX35, G35 3.5L.
$302.25
MSRP $438.05
Save $135.80
31% Off
237106Y324 - : Engine Control Module (ECM) for Infiniti Image

Engine Control Module (ECM)

Infiniti 237106Y324
I35. 3.5l, from 08/02. 3.5l, to 08/02. From 12/2001.
Backordered
13025JK20B - : Engine Timing Camshaft Sprocket for Infiniti Image

Engine Timing Camshaft Sprocket

Infiniti 13025JK20B
EX35. Exhaust. G35. G25. Left. FX35. M35.
$580.89
MSRP $856.77
Save $275.88
32.2% Off
21313EA21C - : Engine Oil Cooler Bolt for Infiniti Image

Engine Oil Cooler Bolt

Infiniti 21313EA21C
5.6L. 5.0L.
$41.09
MSRP $52.68
Save $11.59
22% Off
130211CA0A - : Engine Timing Crankshaft Sprocket for Infiniti Image

Engine Timing Crankshaft Sprocket

Infiniti 130211CA0A
$67.41
MSRP $95.21
Save $27.80
29.2% Off
2373138U12 - : Engine Camshaft Position Sensor for Infiniti Image

Engine Camshaft Position Sensor

Infiniti 2373138U12
I30. 3.0l.
$128.19
MSRP $185.78
Save $57.59
31% Off
240115ZM0B - : Engine Compartment Wiring Harness for Infiniti Image

Engine Compartment Wiring Harness

Infiniti 240115ZM0B
With technology pkg, awd.
$1,277.48
MSRP $2,055.47
Save $777.99
37.8% Off
110567Y00A - : Engine Cylinder Head Bolt for Infiniti Image

Engine Cylinder Head Bolt

Infiniti 110567Y00A
$5.12
MSRP $7.42
Save $2.30
31% Off
130255TA4A - : Engine Timing Camshaft Sprocket for Infiniti Image

Engine Timing Camshaft Sprocket

Infiniti 130255TA4A
QX50. Intake. QX55. Right.
$608.48
MSRP $897.47
Save $288.99
32.2% Off
237101UV4B - : Engine Control Module (ECM) for Infiniti Image

Engine Control Module (ECM)

Infiniti 237101UV4B
Exc.Technology Package.
Backordered
1105653J01 - : Engine Cylinder Head Bolt for Infiniti Image

Engine Cylinder Head Bolt

Infiniti 1105653J01
$8.46
MSRP $10.07
Save $1.61
16% Off
1112114Y10 - : Engine Oil Pan Gasket for Infiniti Image

Engine Oil Pan Gasket

Infiniti 1112114Y10
Front. J30. Ends. 3.3L, rear.
$26.96
MSRP $32.10
Save $5.14
16% Off

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INFINITI Engine Components: Precision Performance Parts

We have always found the employees to be very friendly, courteous, and professional. This is the thrid Infiniti we have purchased from this dealership. 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 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 models like the Q70 and QX80 utilize sophisticated variable valve timing systems that maximize performance 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 encountered during normal driving.

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.

Trust Douglas INFINITI to provide the quality components that'll keep you moving forward.