Auto Parts Manufacturers in Thailand
Thailand is the world's 10th-largest automotive producer and ASEAN's automotive hub. Toyota, Honda, Mitsubishi, Isuzu, Mazda, Nissan all operate full plants here — and the Tier 1 / Tier 2 supplier ecosystem clusters tightly around them on the Eastern Seaboard.
Thai Auto Parts — Tier 1 / Tier 2 / Tier 3 Supplier Ecosystem
Thailand is ASEAN's automotive hub. Aisin, AGC, Toyoda Gosei (Tier 1) plus Tier 2/3 ecosystem mapped. Sourcing guide for OEM and aftermarket buyers.
By Region
Auto Parts Manufacturer by District
Top Auto Parts Manufacturer by Trust Score
About this directory
Listings include Tier 1 OEM suppliers (typically OEM-only sales) and Tier 2/3 component manufacturers (more accessible to aftermarket buyers). Use the city filter to focus on Chon Buri / Rayong (Eastern Seaboard plants) or Pathum Thani / Ayutthaya (older clusters around Bangkok).
Auto Parts Manufacturer — FAQ
Why is Thailand a top auto-parts hub?⌄
Thailand's Eastern Seaboard hosts Toyota, Honda, Mitsubishi, Isuzu, Mazda, and Nissan plants — and the entire Tier 1 / Tier 2 supplier ecosystem around them (Aisin, AGC, Denso, Toyoda Gosei, Summit, Thai Summit Harness, etc.).
How do I source from Tier 1 auto parts suppliers?⌄
Listings here show direct phone and website. Note that Tier 1 OEM suppliers typically only sell to OEMs — for aftermarket parts, look at Tier 2 / 3 suppliers or local distributors.