Engine Components

12207JA03A - : Engine Crankshaft Main Bearing for Infiniti Image

Engine Crankshaft Main Bearing

Infiniti 12207JA03A
Grade 3.
$13.08
MSRP $15.57
Save $2.49
16% Off
237A01MG4C - : Engine Control Module (ECM) for Infiniti Image

Engine Control Module (ECM)

Infiniti 237A01MG4C
Exc.Adaptive Cruise Control. For Hybrid System. Body, ecu, without tech pkg.
$1,967.79
MSRP $2,487.73
Save $519.94
20.9% Off
240116JS0A - : Engine Compartment Wiring Harness for Infiniti Image

Engine Compartment Wiring Harness

Infiniti 240116JS0A
Luxe, premium select, rwd.
$1,656.96
MSRP $2,666.07
Save $1,009.11
37.9% Off
12111JA10C - : Engine Connecting Rod Bearing for Infiniti Image

Engine Connecting Rod Bearing

Infiniti 12111JA10C
G35. M35. Grade 0. Fx. Grade 1. I35. QX60. Standard. QX4. JX35.
$17.70
MSRP $21.07
Save $3.37
16% Off
217437JA0A - : Engine Coolant Reservoir Hose for Infiniti Image

Engine Coolant Reservoir Hose

Infiniti 217437JA0A
Water pipe.
$24.54
MSRP $29.22
Save $4.68
16% Off
165787JA1A - : Engine Air Intake Hose for Infiniti Image

Engine Air Intake Hose

Infiniti 165787JA1A
$70.28
MSRP $99.27
Save $28.99
29.2% Off
510967JA0A - : Gusset-Rear Engine Mounting, Right-hand for Infiniti Image

Gusset-Rear Engine Mounting, Right-hand

Infiniti 510967JA0A
$49.10
MSRP $68.67
Save $19.57
28.5% Off
237035CA1A - : Blank Engine Control Module for Infiniti Image

Blank Engine Control Module

Infiniti 237035CA1A
$1,536.01
MSRP $1,941.86
Save $405.85
20.9% Off
240235CH2B - : Harness- Sub, Engine Room for Infiniti Image

Harness- Sub, Engine Room

Infiniti 240235CH2B
$206.57
MSRP $326.60
Save $120.03
36.8% 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.