CUMMINS
CUMMINS 3905307 OEM FUEL INJECTOR RETURN LINE BANJO BOLT – 5.9L 12-VALVE (1989–1998)
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- SKU:
- CUM3905307
- MPN:
- 3905307
- Shipping:
- Calculated at Checkout
Description
Genuine Cummins
Cummins 3905307 — Fuel Injector Return Line Banjo Bolt
MPN: 3905307 | Also Known As: banjo connector screw, injector return banjo bolt | Qty Per Engine: 6 (sold individually)
Why This Part
- ✓ OE replacement banjo bolt for the injector return line on 5.9L 12-valve Cummins.
- ✓ Direct-fit hardware restores proper sealing on the leak-off/return circuit.
- ✓ Corrosion-resistant finish for long service life.
- ✓ Sold individually so you can buy exactly what you need (6 per engine).
OE Fit Stock Hardware 6 Per Engine
Quick Specs
| Type | Fuel injector return line banjo bolt (banjo connector screw) |
|---|---|
| OE Part # | 3905307 |
| Quantity | Sold individually; 6 required per engine |
| Material/Finish | OE-grade steel hardware |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1998 | 5.9L Cummins 6BT (12-Valve) | Dodge Ram 2500/3500 |
Industrial/Off-Highway: Used primarily on non-certified B-series 5.9L applications; also seen on 4BT/6BT. Verify by ESN for industrial engines.
Often Paired With
- Fuel Injector Return Line: Cummins 3926103 (’94–’98)
- Return Line Seal: Cummins 4942278
What’s In The Box
- (1) Genuine Cummins Banjo Bolt (3905307)
- Lines/seals sold separately (see “Often Paired With”).
Install Tips
- Replace sealing washers/seals as needed; clean mating surfaces.
- Tighten evenly and recheck after a heat cycle to ensure no seepage.
FAQ
HOW MANY BANJO BOLTS ARE USED ON THE 5.9L 12-VALVE?Six total—one per injector position on the return (leak-off) line. This item is sold individually.
WILL THIS FIT MY 1989–1998 DODGE RAM 5.9L?Yes—this OE banjo bolt is used on 1989–1998 5.9L 12-valve Ram 2500/3500 trucks. Always verify by VIN/ESN.
IS THIS THE SAME AS A “BANJO CONNECTOR SCREW”?Yes—Cummins refers to this hardware as a Banjo Connector Screw (same part function).
WHAT RELATED PARTS SHOULD I ORDER?Common companions are the injector return line (3926103 for ’94–’98) and the return line seal 4942278.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins hardware for proper fit and sealing.
Additional Information
Vehicle Year: |
1989,1990,1991,1992,1993,1994,1995,1996,1997,1998 |
Vehicle Make: |
DODGE |
Vehicle Model: |
5.9L |
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