Top 20 Automotive Parts Manufacturers in California 2026
Last updated
FirmsLedger lists 20 automotive parts manufacturers headquartered in California. The largest clusters are in Gardena (4), Carson (2), Fremont (2) and Fresno (2), and the other 10 are in 10 more cities. Gardena listings include Kar Parts Direct Co Aftermarket Auto Body Parts, THACO INDUSTRIES USA, FitParts and DJM Suspension.
By specialty, California has wiring harness (7), suspension (3), steering (3), aftermarket parts (3) and brake components (2) listings.
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| Kar Parts Direct Co Aftermarket Auto Body Parts | Gardena | Aftermarket auto body parts distribution | (310) 537-4775 | karparts.co |
| Pacific Auto Company | Paramount | Warehouse distribution of automotive aftermarket parts | (310) 933-1500 | pacauto.com |
| Auto Pro USA | Carson | CNC machining | (310) 637-4500 | autoprousa.com |
| AutoTecknic USA | Rosemead | Pre-preg carbon fiber composite manufacturing | (800) 210-7709 | autotecknic.com |
| Pars Auto Parts | Huntington Beach | Auto parts distribution | (714) 892-0103 | parsautopartsinc.com |
| THACO INDUSTRIES USA LLC | Gardena | Stamping | (310) 418-9998 | thacoindustries.com |
| AVID Racing (UTV) | Fresno | Precision machining | (559) 512-2550 | avidrace.com |
| Bay Automotive Distribution Group, Inc. | Fremont | Wholesale automotive parts distribution | (650) 339-1718 | bay-automotive.com |
| FitParts | Gardena | Homepage parts finder | (424) 331-9599 | fitparts.com |
| Fresno Truck Parts & Machine Shop | Fresno | Corrosion-Resistant Protective Coating | (559) 746-9595 | fresnoparts.com |
All Automotive Parts in California
Pacific Auto Company
Paramount, California
Pacific Auto Company, operating as Pacific Best Inc., was established in 1983 in Paramount, California, within the Los Angeles metropolitan area. The company began as a warehouse distributor of automotive collision body parts and cooling products, serving the Southern California repair market.
AVID Racing (UTV)
Fresno, California
AVID Racing operates from Fresno, California, where it designs, engineers, and manufactures its UTV suspension systems and titanium hardware under one roof. The company produces platform-specific suspension kits, titanium hardware replacement packages, shocks, and builder components for side-by-side vehicles.
- Motherson SAS AutomotiveNewark, California
- Advantage SteeringIndio, California
- Centric PartsCarson, California
- DJM SuspensionGardena, California
- K&N EngineeringRiverside, California
- Motorcar Parts of AmericaTorrance, California
- Mullen Commercial Electric VehiclesBrea, California
- Transamerican Auto PartsCompton, California
- RivianIrvine, California
- Tesla Fremont FactoryFremont, California
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