Critical Emergency Door Switch & Lock Assembly for School Buses | P/N: 66NX1-03030-A
Product Description
When Seconds Count, Trust in Unfailing Reliability.
For any school bus, the safety of its young passengers is the absolute highest priority. There is no room for compromise. Nanjing Dingguan Accessories Co., Ltd. manufactures this essential Emergency Door Switch and Lock Assembly, a critical component designed to ensure both security during transit and immediate access in an emergency.
This dual-function unit is engineered for one purpose: to perform flawlessly when it matters most. During normal operation, it acts as a robust lock, securely fastening the emergency exit to prevent accidental opening while the vehicle is in motion. In a critical situation, it provides a simple, fast, and reliable release mechanism, allowing for immediate evacuation.
Key Features:
- Dual-Function Safety: Combines a secure, positive-locking mechanism for daily transit with an easy-to-operate emergency release handle.
- Designed for Emergencies: Features a highly visible, intuitive handle designed for quick activation in high-stress situations.
- Direct OEM Replacement: Engineered as a perfect substitute for part number 66NX1-03030-A, guaranteeing a seamless, direct-fit installation on compliant school bus models.
- Durable Construction: Built from heavy-duty, corrosion-resistant materials to withstand daily use, vibration, and meet the rigorous safety standards required for school transport.
As a direct manufacturer, Nanjing Dingguan Accessories Co., Ltd. ensures every unit meets stringent quality controls.
Protect your most precious cargo with hardware you can depend on. Contact us today for a quotation and ensure your fleet is equipped for safety.
Product Name:
|
Emergency switch for the safety door |
Part Number;
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66NX1-03030-A
|
Quality control:
|
ISO 9001+GB 24407 |
Size:
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standard
|
Type: |
Locking devices |
Place of origin:
|
Nanjing, China |
Materials:
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plastic |
Packaging:
|
Paper packaging/custom packaging |
Minimum order quantity:
|
1 |
Application:
|
school bus |
Status:
|
brand new |
Cargo transportation:
|
TNT, EMS, UPS, FedEx, DHL or according to your requirements.
|
OE:
|
66NX1-03030-A
|
Factory quality inspection: |
100% inspection |
Product details pictures

How to buy the right bus accessories
1.Please provide VIN number |
2.Please provide clear photos |
3.Please provide the OEM number |
4.lf you are unsure, please contact us. |

Nanjing Dingguan Auto Parts Co., Ltd.
-- Your reliable partner for bus spare parts.
About Us
Nanjing Dingguan Automotive Parts Co., Ltd. specializes in providing high-quality and cost-effective parts for buses and commercial vehicles. We focus on the global market, have rich experience in exporting bus and truck parts, provide services to distributors and fleet operators, and provide tailor-made solutions to meet different needs.
Warehouse and cargo display

About shipping and packaging
transportation
|
TNT, EMS, UPS, FedEx, DHL or as per your requirement.
|
packaging |
Bubble wrap, cartons, wooden boxes, and pallets are used to avoid damage to goods caused by bumps.
|
common problem
1: Can you provide an accurate price?
|
Sure. You need to provide the vehicle VIN number, provide the product OEM code, or provide a clear product photo. |
2: What's your minimum order quantity?
|
No minimum order quantity, of course, if you buy more items from our company, you can get preferential prices and discounts. |
3: What's the delivery time?
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Air freight orders take 5 to 8 days. Sea freight orders take 15 to 25 days.
|
My advantage
1:High-Quality Bus Components
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Specialized in premium aftermarket bus parts including engines,transmissions, and braking systems, built for durability and performance. |
2:Comprehensive spare parts solution |
We offer a full range of bus accessories: filters, suspension components, electrical components, and interior accessories for all major bus brands. |
3: ISO-Certified Manufacturing
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Our ISO 9001/TS 16949-certified products ensure strict quality control, reliability, and compliance with international standards.ISO
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4: Global Bus Part Coverage
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Our products are compatible with leading bus models from Europe, Asia, and the Americas.
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5;Extensive product catalog
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Engine parts, HVAC systems, lighting, wheels and safety components covering city, intercity and long-distance buses.
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Contact Us