Product Description
Cummins 4935982 — Fuel Injection Line (#2 or #3), ISB 6.7L
MPN: 4935982 | Also Known As: injector fuel supply tube, high-pressure injector line | Positions: Cylinder #2 or #3 (order qty 2 to replace both)
Why This Part
- ✓ OE high-pressure line for precise fuel delivery and leak-free sealing.
- ✓ Direct-fit for 2007.5–2018 Ram 6.7L ISB—no modifications.
- ✓ Durable flare seats resist vibration, heat cycling, and pressure.
- ✓ Best practice when replacing injectors: use new lines to prevent leaks.
Quick Specs
Type | High-pressure fuel injector line / injector fuel supply tube |
---|---|
OE Part # | 4935982 (positions #2 or #3) |
Application | ISB 6.7L common-rail |
Qty Required | 1 per cylinder position (sold individually) |
Verified Fitment (Automotive)
Year Range | Engine | Chassis |
---|---|---|
2007.5–2018 | Ram 6.7L ISB (24V Common-Rail) | Ram 2500/3500 |
Industrial/Off-Highway: Used primarily on EPA13 ISB/QSB 6.7 variants—verify by ESN before ordering.
Often Paired With
- Other line positions: 4935981 (#1) · 4935974 (#4/#5) · 4935976 (#6)
- New injectors or connector tubes: replace lines whenever injectors are replaced to avoid sealing issues
What’s In The Box
- (1) Genuine Cummins High-Pressure Fuel Injection Line (4935982)
- Hardware not required; flare nuts are integrated on the line
Install Tips
- Work clean—keep debris out of the rail and injector fittings.
- Route exactly as factory; do not bend the hardline.
- Tighten to factory torque per service manual; re-check for leaks after prime/start.
- Avoid reusing previously torqued high-pressure lines.
FAQ
WILL THIS FIT MY 2007.5–2018 6.7L CUMMINS RAM?Yes—4935982 is the OE line for cylinder positions #2 or #3 on 2007.5–2018 Ram 6.7L ISB (verify by VIN/ESN).
WHICH CYLINDERS DOES 4935982 FIT?It fits cylinder #2 or #3. If you’re replacing both, order quantity 2.
SHOULD I REPLACE LINES WHEN I REPLACE INJECTORS?Yes—best practice is to install new high-pressure lines to ensure proper sealing and prevent future leaks.
DOES THIS INCLUDE WASHERS OR EXTRA FITTINGS?No extra washers are used. The line has integrated flare nuts; simply torque per factory spec.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins part 4935982 for correct fit and durability.