Who manufactures Lexus OEM parts?
Lexus OEM parts are produced primarily by Toyota Motor Corporation and a global network of suppliers that Toyota uses to manufacture original equipment for Lexus vehicles. This includes major Toyota Group companies such as Denso, Aisin Seiki, Toyota Boshoku, and JTEKT, among others. These components are designed to the exact specifications of Lexus models and carry the same performance and warranty expectations as factory-installed parts.
Lexus, as the luxury arm of Toyota, relies on an integrated supply chain where OEM parts are produced either in Toyota’s own facilities or by trusted Tier 1 suppliers contracted to Toyota and Lexus. The sections below identify the principal manufacturers and how to source genuine parts.
The core manufacturing network behind Lexus OEM parts
The following list highlights the main manufacturers and suppliers that produce the majority of Lexus OEM components. Parts may be made by Toyota itself or by these Tier 1 partners under Lexus specifications.
- Toyota Motor Corporation (the parent company, responsible for overall design and integration)
- Denso (electronics, sensors, powertrain and climate control components)
- Aisin Seiki (drivetrain systems, braking components, and related service parts)
- Toyota Boshoku (interiors, seating, filtration and related components)
- JTEKT (steering systems, bearings, driveline components)
- Toyoda Gosei (plastics, trims and interior/exterior components)
- Sumitomo Wiring Systems (wiring harnesses and electrical components)
- Tokai Rika (switches, sensors, control units and related interfaces)
In practice, many Lexus OEM parts are produced by these suppliers or their subsidiaries, sometimes at Toyota-owned plants, and sometimes at supplier facilities under strict quality control aligned with Lexus specifications. Regional manufacturing arrangements may vary by model and market.
Regional variations and supplier roles
For some markets, regional supply chains may emphasize certain suppliers more than others due to local manufacturing capacity, tariffs, and logistics. However, the overarching standard remains: parts are built to Lexus specifications either by Toyota or its major Tier 1 partners to maintain compatibility and warranty coverage.
How to source genuine Lexus OEM parts
To ensure you are getting components built to Lexus standards, buyers typically turn to official channels and verified distributors. The following options are common pathways for obtaining OEM-grade parts.
- Official Lexus dealerships and service centers, which carry authentic OEM parts and can perform fitment with factory warranties
- Lexus official parts websites or regional Toyota/Lexus parts portals, which list compatible part numbers and VIN-based compatibility
- Authorized Toyota and Lexus distributors and parts warehouses that supply dealers and certified shops
- Certified online retailers and marketplaces that explicitly state OEM or Lexus-approved parts, often with verified part numbers and return policies
Always check the exact part number, vehicle identification number (VIN), and warranty terms before purchasing. OEM parts that do not match the original specifications can affect performance and safety, and may void warranties if not sourced through approved channels.
Summary
Lexus OEM parts come from Toyota Motor Corporation and a trusted network of suppliers, including Denso, Aisin Seiki, Toyota Boshoku, JTEKT, and others. This integrated supply chain ensures replacements meet exact Lexus specifications and preserve warranty when bought through official channels. For most owners, the safest path to authenticity is through official Lexus dealerships or authorized distributors, where VIN-based compatibility and warranty coverage can be verified.
Does Denso make Lexus parts?
Denso has an aftermarket line that's more cost friendly for Lexus & Toyota products. The parts are usually pretty good (as they should be since Toyota owns a percentage of them).
Where are Lexus parts manufactured?
Lexus parts are made in Japan, Canada, and the United States, with the majority manufactured in Japan at plants in locations like Tahara, Kyushu, and Motomachi. Specific models are assembled in different locations depending on the model and its components, including plants in Cambridge, Ontario, Canada, and Georgetown, Kentucky, USA.
Where Lexus parts are made
- Japan: This is the primary manufacturing hub for most Lexus vehicles and parts.
- Tahara: Manufactures models like the LS, IS, GX, and RC.
- Kyushu: Assembles models such as the UX, NX, and RX.
- Motomachi: Produces models like the LC.
- Miyawaka: Assembles models like the ES and IS.
- Canada:
- Cambridge, Ontario: Assembles models like the RX and RX Hybrid.
- United States:
- Georgetown, Kentucky: Assembles the Lexus ES.
Is Lexus Parts now on OEM?
For years, LexusPartsNow.com has been your #1 choice to buy parts for Lexus. All our Lexus auto parts and accessories are backed by the manufacturer's warranty and match the vehicle's OEM specifications.
Who makes OEM Lexus parts?
OEM Lexus parts are designed by Lexus engineers and built at Lexus factories. They are the same components that were installed in your Lexus model when it was constructed at a Lexus factory.
