# Auto Accessory Factory

> Shanghai auto accessory factory supplying plug-and-play LED headlight assemblies, LED tail lights, carbon racing seats, seat upgrade kits and steering wheels to distributors, tuning shops and private-label brands worldwide. MOQ from 1 set, OEM/ODM welcome. Legal entity: Shanghai Mars Industrial Co., Ltd.. Contact: inquiry@auto-accessory-factory.com, WhatsApp/phone +86 176 2154 1688.

Auto Accessory Factory is a B2B manufacturer and exporter in Shanghai, China. Key facts:

- Catalog: 224 SKUs across 7 categories for 19 vehicle makes (BMW, Mercedes-Benz, Audi, Volkswagen, Lexus, Toyota, Mazda, Honda, Buick, Porsche, Land Rover, Ferrari and more).
- MOQ: from 1 set; OEM/ODM and private label available.
- Warranty: 12 months on manufacturing defects.
- Shipping: express courier, air and sea; EXW, FOB Shanghai, CIF, DDP.
- Reply time: within one business day (Mon–Sat, 09:00–18:00 GMT+8).
- Machine-readable catalog: https://www.auto-accessory-factory.com/products.json · Full text: https://www.auto-accessory-factory.com/llms-full.txt

## Product categories

- [LED Headlight Assemblies](https://www.auto-accessory-factory.com/products/headlights/): Plug-and-play full LED and projector headlight assemblies with sequential turn signals, animated DRLs and matrix-style optics for 20+ vehicle makes.
- [LED Tail Light Assemblies](https://www.auto-accessory-factory.com/products/tail-lights/): Full LED tail lamps with dynamic turn signals, start-up animations and smoked, clear or red lens options.
- [Carbon Racing & Bucket Seats](https://www.auto-accessory-factory.com/products/racing-seats/): Dry carbon and prepreg bucket seats for Porsche, Ferrari, McLaren, Lamborghini, BMW and Volkswagen platforms.
- [Seat Upgrade Kits & VIP Seats](https://www.auto-accessory-factory.com/products/seats-upgrade-kits/): OEM-style sport seat conversions, ventilation & heating kits, VIP van captain chairs and RV sofa beds.
- [Custom Leather Seat Covers](https://www.auto-accessory-factory.com/products/seat-covers/): Full-set Nappa, leather and breathable seat covers tailored per vehicle, from Tesla Model 3/Y to V-Class and Land Cruiser.
- [Carbon Fiber Steering Wheels](https://www.auto-accessory-factory.com/products/steering-wheels/): Custom carbon fiber, leather and LED-display steering wheels for Mercedes-AMG, BMW, Audi, Porsche, Toyota and VW.
- [Interior Upgrades](https://www.auto-accessory-factory.com/products/interior-upgrades/): Digital instrument clusters, LED display modules, VIP partitions and complete van interior kits.

## Vehicles

- [BMW upgrades](https://www.auto-accessory-factory.com/vehicles/bmw/): 31 products
- [Mercedes-Benz upgrades](https://www.auto-accessory-factory.com/vehicles/mercedes-benz/): 31 products
- [Audi upgrades](https://www.auto-accessory-factory.com/vehicles/audi/): 27 products
- [Volkswagen upgrades](https://www.auto-accessory-factory.com/vehicles/volkswagen/): 26 products
- [Lexus upgrades](https://www.auto-accessory-factory.com/vehicles/lexus/): 21 products
- [Toyota upgrades](https://www.auto-accessory-factory.com/vehicles/toyota/): 21 products
- [Mazda upgrades](https://www.auto-accessory-factory.com/vehicles/mazda/): 16 products
- [Honda upgrades](https://www.auto-accessory-factory.com/vehicles/honda/): 15 products
- [Buick upgrades](https://www.auto-accessory-factory.com/vehicles/buick/): 7 products
- [Porsche upgrades](https://www.auto-accessory-factory.com/vehicles/porsche/): 7 products
- [Land Rover upgrades](https://www.auto-accessory-factory.com/vehicles/land-rover/): 4 products
- [Ferrari upgrades](https://www.auto-accessory-factory.com/vehicles/ferrari/): 3 products
- [Tesla upgrades](https://www.auto-accessory-factory.com/vehicles/tesla/): 2 products

## Company

- [About the factory](https://www.auto-accessory-factory.com/about/): capabilities, quality control, packing and key facts
- [Projects](https://www.auto-accessory-factory.com/projects/): anonymised B2B supply programmes
- [Contact & quote](https://www.auto-accessory-factory.com/contact/): inquiry form, email, WhatsApp

## Guides

- [How to Source Aftermarket LED Headlight Assemblies from a Factory](https://www.auto-accessory-factory.com/blog/how-to-source-aftermarket-led-headlight-assemblies/): A practical checklist for distributors and tuning shops importing LED headlight assemblies: fitment, connectors, optics, sealing, compliance and packing.
- [Plug-and-Play LED Headlights and CANbus Warnings, Explained](https://www.auto-accessory-factory.com/blog/plug-and-play-led-headlights-canbus-explained/): Why LED retrofits trigger bulb-out warnings or hyper-flash, and how load resistors, decoders and adapter harnesses solve it.
- [Dry Carbon vs Forged Carbon vs Wet Carbon: Choosing Bucket Seats](https://www.auto-accessory-factory.com/blog/dry-carbon-vs-forged-carbon-vs-wet-carbon-seats/): How carbon fibre seat shells are made, what each process means for weight, strength and price, and which suits your customers.
- [Sequential LED Tail Lights: What Wholesale Buyers Should Check](https://www.auto-accessory-factory.com/blog/led-tail-light-sequential-turn-signal-buying-guide/): Dynamic indicators sell, but timing, brightness, lens options and sealing decide whether customers come back.
- [MOQ, Lead Time and Shipping When Importing Auto Parts from China](https://www.auto-accessory-factory.com/blog/moq-lead-time-shipping-auto-parts-from-china/): How to plan sample orders, production windows and freight for lighting and interior upgrades — and avoid surprises on landed cost.
- [Nappa vs PU vs Perforated Leather: Choosing Car Seat Cover Materials](https://www.auto-accessory-factory.com/blog/nappa-vs-pu-vs-perforated-leather-seat-covers/): Comfort, durability, climate and price: how to choose seat cover materials for different markets.

## Optional

- [Full product list (text)](https://www.auto-accessory-factory.com/llms-full.txt)
- [Product data (JSON)](https://www.auto-accessory-factory.com/products.json)
- [Sitemap](https://www.auto-accessory-factory.com/sitemap.xml)