Product Description
Cummins 3924346 Genuine Female Branch Tee (Vacuum / Injection Pump)
The Cummins 3924346 Genuine Female Branch Tee is an OEM Cummins fitting designed for vacuum pump and injection pump oil-feed plumbing on Cummins B-Series and ISB diesel engines. Manufactured to Cummins' exact specifications, this female branch tee provides proper oil distribution, leak-free sealing, and long-term durability in demanding diesel engine environments. Unlike generic hardware-store fittings, the genuine Cummins 3924346 is engineered to withstand engine vibration, temperature fluctuations, and continuous-duty operation.
Whether you're repairing a leaking oil-feed connection, replacing a clogged fitting, or restoring factory reliability to your fuel and vacuum pump system, the Cummins 3924346 delivers OEM fitment and dependable performance. This fitting is commonly found on 5.9L Cummins B-Series applications where oil supply is routed to the vacuum pump and P7100 injection pump assembly.
Features
- Genuine Cummins OEM component
- Direct replacement for Cummins part number 3924346
- Female branch tee fitting design
- Used in vacuum pump and injection pump oil-feed systems
- Provides proper oil distribution and routing
- OEM-quality sealing and leak prevention
- Designed to withstand diesel engine vibration
- Superior durability compared to generic aftermarket fittings
- Maintains factory oil system reliability
- Built to Cummins engineering specifications
Fitment
- 1994-1998 Dodge Ram 5.9L 12-Valve Cummins applications
- Cummins 5.9L B-Series engines
- Cummins ISB engine applications
- P7100 injection pump oil-feed systems
- Vacuum pump oil-feed plumbing systems
- Various industrial and commercial Cummins B-Series engines
Note: Cummins used multiple plumbing configurations depending on vehicle manufacturer and engine serial number. ESN verification is recommended before ordering.
What's Included
- Cummins 3924346 Genuine Female Branch Tee
Specifications
- Manufacturer: Cummins
- Part Number: 3924346
- Component Type: Female Branch Tee
- Application: Vacuum Pump and Injection Pump Plumbing
- System Function: Oil Distribution and Feed Routing
- Construction: OEM Cummins Manufacturing Standards
- Engine Family: B-Series and ISB Cummins
- Primary Use: Vacuum Pump and P7100 Injection Pump Oil Feed
- Shipping Weight: Approximately 0.05 - 0.14 lbs
- Package Dimensions: Approximately 1 x 1 x 1 in
- OEM Genuine Part: Yes
Cross Reference Numbers
3924346, Cummins 3924346, Female Branch Tee, Vacuum Pump Tee, Injection Pump Tee, P7100 Oil Feed Tee, Cummins B-Series Oil Feed Fitting, Cummins ISB Plumbing Fitting
FAQ
What does the Cummins 3924346 female branch tee do?
This fitting is used to distribute oil between the engine oil supply, vacuum pump, and injection pump plumbing systems. It helps maintain proper lubrication and reliable operation of connected components.
Is this a genuine Cummins part?
Yes. The 3924346 is a genuine Cummins OEM component manufactured to factory specifications for proper fitment and reliability.
Will this fit a 1994-1998 12-valve Cummins?
Yes. This fitting is commonly used on 1994-1998 Dodge Ram trucks equipped with the 5.9L 12-valve Cummins engine and P7100 injection pump. Verification by ESN is still recommended.
Can I use a generic hardware-store tee fitting instead?
It is not recommended. OEM Cummins fittings are designed for proper sealing, durability, and vibration resistance in diesel engine applications. Generic fittings may not provide the same reliability.
Does this fitting connect to the P7100 injection pump?
Yes. On many 12-valve Cummins applications, the 3924346 is used in the oil-feed plumbing that supplies both the vacuum pump and the P7100 injection pump.