Product Description
Genuine Cummins
Cummins 3936953 — Fuel Injector Connector Tube (Male Connector)
MPN: 3936953 | Also Known As: injector connector tube, male connector | For: 5.9L 24-Valve VP44 (’98.5–’02) & select industrial ISB/ISC
Why This Part
- ✓ OE connector tube that seals injector-to-line, preventing return leakage and pressure loss.
- ✓ Direct-fit for 1998.5–2002 Dodge Ram 5.9L 24-Valve (VP44).
- ✓ Hardened sealing seat for reliable high-pressure diesel operation.
- ✓ Sold individually—6 required per engine (one per injector).
OE Fit Stock Replacement 6 Per Engine
Quick Specs
| Type | Fuel Injector Connector Tube (Male Connector) |
|---|---|
| OE Part # | 3936953 |
| Common Cross-Refs* | 3944833, 5013856AA |
| Qty Required | 6 per engine (sold individually) |
*Cross-refs for identification only. Always confirm by VIN/ESN.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1998.5–2002 | 5.9L Cummins ISB (24V, VP44) | Dodge Ram 2500/3500 |
Industrial/Off-Highway: Used on various ISB/ISC 5.9/8.3 applications—verify by ESN before ordering.
Often Paired With
- Connector Tube O-Ring: 3867043 (one per tube, 6 total)
- Injector O-Ring: 3029820 (per injector)
- Tools: Tork Teknology 24VCTR010 (connector tube tool), CIP040 (injector puller)
- Fuel lines: OEM #1–#6 high-pressure lines for ’98.5–’02 as needed
What’s In The Box
- (1) Genuine Cummins Fuel Injector Connector Tube (3936953)
- Seals and hardware sold separately (see “Often Paired With”).
Install Tips
- Always install with a new 3867043 O-ring and clean, undamaged sealing seats.
- Hand-start high-pressure lines to avoid cross-thread; torque per service manual.
- Prime fuel system and check for leaks after start-up.
FAQ
WILL THIS FIT MY 1998.5–2002 5.9L 24-VALVE?Yes—this is the OE connector tube for VP44-equipped 5.9L Rams (verify by VIN/ESN).
HOW MANY CONNECTOR TUBES DO I NEED?Six total—one per injector. This listing is sold individually.
WHAT SEALS ARE REQUIRED?Use a new 3867043 O-ring with each tube and confirm injector O-ring (3029820) condition.
IS THIS THE SAME AS “MALE CONNECTOR”?Yes—Cummins also describes 3936953 as a “Male Connector.” Same OE function and fit.
WHAT ARE THE COMMON CROSS-REFERENCES?Frequently cross-referenced with 3944833 and Mopar 5013856AA (ID only; confirm by VIN/ESN).
Product Videos
Custom Field
Vehicle Year 1998.5-2002
Vehicle Make DODGE
Vehicle Model 24V CUMMINS
Part Type fuel line
