Description
Stanadyne 780328 pencil-style fuel injector for the mechanical Navistar International DT466 engine (7.6L, pre-DT466E architecture). Replaces Navistar OEM 688840C91 and 749763C91. Stanadyne body code N, holder assembly 780321, nozzle AKN90M6425A — flow-tested and remanufactured by Stanadyne to original calibration.
Specifications
| Manufacturer | Stanadyne |
|---|---|
| Part Number | 780328 |
| Part Type | Pencil Fuel Injector (Reman) |
| Body Code | N |
| Holder Assembly | 780321 |
| Nozzle | AKN90M6425A |
| Engine Compatibility | Navistar International DT466 (7.6L, mechanical) |
Cross References
This injector replaces or is equivalent to the following part numbers:
- Navistar / International: 688840C91, 749763C91
- Stanadyne: 780328 (assembly), 780321 (holder), AKN90M6425A (nozzle)
Applications
This injector fits the following engine:
- Navistar International DT466 mechanical 7.6L (pre-1994, before DT466E HEUI conversion)
Verify your engine serial number and architecture before ordering. The 780328 is for the mechanical N-body DT466 — it does not fit DT466E HEUI (1994+), DT466 G2.9 G-style, or DT466 EGR (HEUI) variants.








