100 PCS M12–M18 Injector Dust Caps for Common Rail Systems
100 PCS M12–M18 Injector Dust Caps for Common Rail Systems
100 PCS M12–M18 Injector Dust Caps for Common Rail Systems
Keep your common rail fuel injectors clean and protected with this value pack of 100 flexible plastic dust caps. Designed to fit M12, M14, M16, and M18 injector threads, these caps are an essential workshop consumable for auto mechanics, diesel technicians, and DIY enthusiasts alike. Made in Mainland China.
Why You Need These Dust Caps
During servicing, storage, or transit, exposed injector ports are vulnerable to dirt, debris, and moisture — all of which can compromise fuel system performance. These snug-fitting dust caps create a reliable barrier, keeping threads and nozzles clean until reinstallation.
Key Features
- Multi-Size Pack: Covers M12, M14, M16, and M18 thread sizes in a single convenient pack
- Flexible Plastic Construction: Lightweight yet durable material for a secure, flexible fit across compatible injector sizes
- Bulk Quantity: 100 caps per pack — ideal for busy workshops and professional mechanics
- Common Rail Compatible: Specifically designed for use with common rail diesel injection systems
- Random Assorted Colors: Colors may vary; functionality is identical across all pieces
- Easy Application: Simply press onto the injector port for instant protection
Specifications
| Material | Plastic |
| Thread Sizes | M12, M14, M16, M18 |
| Quantity | 100 PCS |
| Color | Random (assorted) |
| Application | Common Rail Injector Systems |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 100 × Injector Dust Caps (assorted M12–M18)
Note: Color is assigned at random and may vary from images shown. Please allow minor dimensional tolerances due to manual measurement. Monitor settings may cause slight color variation compared to actual product.
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Learn more: FuelEconomy.gov on vehicle maintenance
Frequently Asked Questions
Q: What thread sizes do these injector dust caps fit?
A: This pack includes dust caps compatible with M12, M14, M16, and M18 thread sizes, making it a versatile solution for a wide range of common rail diesel injectors.
Q: How many caps are included in the pack?
A: Each pack contains 100 injector dust caps, providing excellent value for professional mechanics and workshop environments that require a reliable supply on hand.
Q: Are these caps reusable?
A: Yes, the flexible plastic construction allows for easy removal and reapplication, making them suitable for repeated use during servicing, storage, or parts transit.
Q: Will I receive a specific color of dust caps?
A: Colors are assorted and assigned randomly. While the exact color mix may vary, all caps offer the same quality and protection regardless of color.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.