






⚡ Ignite your ride with precision power – don’t get left behind!
The XunDong FJ503 Fuel Injector is a high-quality, OEM-spec replacement part designed for 4.3L V6 engines across multiple GM and related models from 1996-2006. It ensures precise fuel delivery for enhanced engine performance, improved fuel efficiency, and smooth operation. Built for durability and easy installation, it comes with a 12-month warranty and extensive compatibility, making it the smart upgrade for professionals who demand reliability and power.




| Brand | XunDong |
| Item dimensions L x W x H | 12.5 x 5.25 x 4.3 inches |
| Inlet Connection Type | Press |
| Outlet Connection Type | Press |
| Number of Ports | 1 |
| Outlet Connection Size | 0.03 Inches |
| Specification Met | oe |
| Valve Type | Fuel Injector |
| Manufacturer | XunDong |
| Model | 17113673A |
| Item Weight | 1.7 pounds |
| Product Dimensions | 12.5 x 5.25 x 4.3 inches |
| Item model number | XD833221026 |
| Manufacturer Part Number | FJ503-1 |
| OEM Part Number | 12568332, 19210688, 217-3028, 4G1887, FJ10565 |
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