5pcs 3033740 3033742 Check Valve & Threaded Plug Replacement for Cummins ISX QSX 15L N14 NT855 Diesel Engine Fuel System
Product details
| Management number | 219384971 | Release Date | 2026/05/03 | List Price | US$53.02 | Model Number | 219384971 | ||
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Direct OEM Replacement – Precision-engineered fuel system kit includes a fuel check valve (3033740) and threaded plug (3033742), directly replacing OEM numbers for Cummins diesel engines.Maintains Stable Fuel Pressure – The 3033740 check valve prevents fuel backflow and ensures consistent fuel supply for reliable engine operation. Compatible with HPI fuel systems on EPA07 15-liter ISX/QSX engines.Seals Threaded Openings Securely – The 3033742 threaded plug features a 3/8-24 thread and includes an O-ring seal (3034412) for leak-proof sealing of ports in the engine block or fuel system during maintenance.Extensive Engine Compatibility – Designed to fit a wide range of Cummins engines, including ISX, QSX 15L, NT855, N14, N14 CELECT, N14 CELECT Plus, G14, G855, and more.Professional Installation Recommended – Direct-fit for engine repair and fuel system maintenance. Professional mechanic installation is recommended. Please verify your engine model before purchasing.
- Direct OEM Replacement – Precision-engineered fuel system kit includes a fuel check valve (3033740) and threaded plug (3033742), directly replacing OEM numbers for Cummins diesel engines.
- Maintains Stable Fuel Pressure – The 3033740 check valve prevents fuel backflow and ensures consistent fuel supply for reliable engine operation. Compatible with HPI fuel systems on EPA07 15-liter ISX/QSX engines.
- Seals Threaded Openings Securely – The 3033742 threaded plug features a 3/8-24 thread and includes an O-ring seal (3034412) for leak-proof sealing of ports in the engine block or fuel system during maintenance.
- Extensive Engine Compatibility – Designed to fit a wide range of Cummins engines, including ISX, QSX 15L, NT855, N14, N14 CELECT, N14 CELECT Plus, G14, G855, and more.
- Professional Installation Recommended – Direct-fit for engine repair and fuel system maintenance. Professional mechanic installation is recommended. Please verify your engine model before purchasing.
| Brand Name | Generic |
|---|---|
| Unit Count | 1.0 Count |
| Manufacturer | Generic |
| Model Number | 3033740 3033742 |
| Item Dimensions | 1 x 1 x 1 inches |
| Included Components | Check Valve*5 |
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