Product Description
The Cummins 3915104 OEM Regular Hexagon Nut is a genuine throttle/lever hardware fastener engineered for ISB application-specific fuel control and linkage assemblies genuine Cummins nut ensures long-term durability and correct fitment compared to generic aftermarket substitutes.
Fitment
- ISB 5.9L Cummins (various throttle/lever assemblies — ESN verification recommended)
- ISB 6.7L Cummins (application-specific depending on throttle/lever configuration)
- B-Series fuel linkage systems using OEM hex-nut retention
Note: Because this fastener is used in multiple configurations across ISB throttle and linkage assemblies, engine serial number (ESN) verification is recommended for exact fitment.
Cross-Reference (Cummins-Only)
Related Cummins hardware commonly serviced together:
• Cummins 3900625 OEM Hex Flange Head Cap Screw
• Cummins 3900267 OEM Tappet Cover Bolt Grommet Seal
• Cummins 3909395 OEM Spring Hose Clamp – Dipstick
FAQ
What system does the Cummins 3915104 hex nut belong to?
This OEM nut is used in throttle/lever fuel linkage hardware on ISB engines in multiple applications.
Can standard metric nuts be substituted for this part?
No. Cummins specifies exact thread class, hardness, and clamping values. Incorrect hardware can cause looseness or throttle-lever failure.
Does this nut fit both 5.9L and 6.7L ISB engines?
Yes — in application-specific locations. Always verify by ESN to confirm compatibility with your exact throttle linkage configuration.
Should this nut be replaced when servicing the throttle lever?
Yes. Cummins recommends replacing hardware exposed to vibration or torque cycling to ensure optimal retention and safe operation.
Specifications for cummins 3915104
| Specification | Value |
|---|---|
| Brand | Cummins Genuine Parts |
| Part Number | 3915104 |
| Component Type | Regular Hexagon Nut – Throttle/Lever Hardware |
| UPC | Not Published |
| GTIN | Not Published |
| Cross Reference | Used across B-Series & ISB throttle/lever assemblies |
| E-Codes | N/A |
| Shipping Weight | 0.02 lbs |
| Package Dimensions | 1 x 1 x 1 in |
| Prop 65 Warning | Not Applicable |
