Used Infiniti Engine Parts
Complete power assembly that converts fuel or electrical energy into the force used to move a vehicle.
Browse auto parts by make
Used & OEM Infiniti Auto Parts
Infiniti sedans and SUVs use Nissan-related platforms with make-specific powertrains, electronics, lighting, and luxury equipment. Doorstep Auto Parts helps customers prepare a precise request for used, OEM, or replacement Infiniti parts based on fitment and available sourcing options.
Infiniti application details
Model history and installed equipment define the correct Infiniti part.
G35, G37, and Q50 performance-sedan components differ from QX60, QX80, and FX utility-platform parts in drivetrain and electrical layout.
Infiniti requests can include Engine, Transmission, Alternator, Engine Control Module, Wiring Harness, Tail Light, and other fitment-sensitive components. Exact options are reviewed after the vehicle and part details are known.
Doorstep Auto Parts reviews requests for used, OEM, and replacement Infiniti components according to the exact vehicle, fitment, and available sourcing options.
Infiniti model families
Start with the exact Infiniti model and generation.
Supply the VIN, model generation, engine, transmission, rear- or all-wheel drive, trim, production date, and OEM part number.
Infiniti part requests
Parts We Help Source for Infiniti
Review exact component definitions, explore the related vehicle system, or open the request form with Infiniti and the selected part already filled in.
Infiniti Transmission Parts
Gearbox that manages engine power and gear ratios before sending torque into the driveline.
Infiniti Wiring Harness
Bundled wiring and connectors that link electrical components.
Infiniti Tail Light
Rear lamp assembly for position, braking, and signaling.
Infiniti Alternator
Charging component that supplies electrical power while the engine runs.
Infiniti Engine Control Module
Electronic controller that manages engine operation and related systems.
Infiniti Starter
Electric motor that cranks the engine during startup.
Infiniti AC Compressor
Pump that circulates refrigerant through the air-conditioning system.
Infiniti parts by system
Replacement Parts by Vehicle System
G35, G37, and Q50 performance-sedan components differ from QX60, QX80, and FX utility-platform parts in drivetrain and electrical layout.
Infiniti Engine & Drivetrain Parts
Infiniti engines, transmissions, differentials, axles, mounts, and driveline assemblies organized for application-level review.
Infiniti Electrical & Lighting Parts
Infiniti modules, wiring harnesses, starters, charging components, headlights, tail lights, and related electrical hardware.
Infiniti Cooling & HVAC Parts
Infiniti radiators, cooling fans, AC compressors, condensers, heater parts, controls, and thermal-management components.
Infiniti Steering & Suspension Parts
Infiniti steering racks, columns, control arms, knuckles, struts, shocks, and suspension electronics by configuration.
Infiniti Interior & Accessories Parts
Infiniti instrument clusters, controls, infotainment equipment, consoles, switches, and cabin electronics by trim.
Infiniti Safety & Restraints Parts
Infiniti airbags, seat belts, impact sensors, cameras, and driver-assistance components requiring exact option checks.
Infiniti VIN and fitment checks
Use vehicle codes and original identifiers to narrow the match.
Supply the VIN, model generation, engine, transmission, rear- or all-wheel drive, trim, production date, and OEM part number.
- Year and exact model
- VIN when available
- Engine, drivetrain, trim, and part position
- Original part, tag, or casting number
Part request
Request Infiniti Parts
Tell us what you drive and what part you need. Our team will review your request, check available options, and contact you.
Used and OEM sourcing
Used & OEM Infiniti replacement options.
Start with the exact vehicle and component. Part condition, original-equipment identity, fitment, and available sourcing options are reviewed for each request.
Parts delivery areas
Used & OEM Infiniti Parts by Market
Explore Infiniti fitment, component, and delivery guidance for each listed service area.
Used Infiniti Partsin Encinitas, CAUsed Infiniti Partsin Princeton, NJUsed Infiniti Partsin New York, NYUsed Infiniti Partsin Boise, IDUsed Infiniti Partsin Austin, TXUsed Infiniti Partsin Albuquerque, NMUsed Infiniti Partsin Arlington, VAUsed Infiniti Partsin Little Rock, ARUsed Infiniti Partsin Sandy, UTUsed Infiniti Partsin Tampa, FL
Learn before you request
Fitment and buying guides.
Infiniti parts delivered all over the USA
Find Infiniti Parts Across the USA
Use an active location page for destination context, then send the model, part, and ZIP details. Doorstep Auto Parts supports requests and delivery coordination across the USA.
Infiniti part questions
Infiniti sourcing and fitment questions.
These answers explain how model, configuration, and original identifiers shape a useful Infiniti part request.
Do Nissan and Infiniti components always interchange?
Supply the VIN, model generation, engine, transmission, rear- or all-wheel drive, trim, production date, and OEM part number. Platform relationships or visual similarity should not replace verification for the exact Infiniti application.
Can I request an engine, transmission, wiring harness, or tail light for an Infiniti?
Yes. Select the exact component and submit the year, model, VIN when available, configuration details, and destination ZIP. The form carries both Infiniti and the selected part into the request.
Can Doorstep help with older or discontinued Infiniti models?
A request can be submitted for any supported model year. Provide original identifiers and complete vehicle details because sourcing and fitment options vary by application.
Can I request used Infiniti auto parts?
Yes. Submit the exact vehicle and component details. Used Infiniti options are reviewed according to fitment, condition requirements, and sourcing availability for the request.
Can I request OEM Infiniti replacement parts?
Yes. Include the VIN and original part number when available so the team can review OEM identity, supersessions, fitment, and available sourcing options.
Do I need the VIN when requesting an Infiniti part?
A VIN is not always required to begin, but it can help distinguish engines, transmissions, wiring, lighting, safety equipment, and other configuration-sensitive components.
Need an Infiniti Part?
Send the vehicle and component details or call (888) 879-0515.