Product Description
The CUMMINS 3945268 OEM CRANKCASE BREATHER HOSE is designed for 1998.5–2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 24-valve Cummins diesel engine. This genuine Cummins replacement hose is built to maintain proper crankcase ventilation and help control crankcase pressure during engine operation.
Use this part when replacing a damaged, cracked, leaking, or deteriorated breather hose. Proper crankcase ventilation is important for maintaining engine performance, reducing oil contamination, and supporting long-term engine reliability. Always verify fitment by year, make, model, engine, and part number before ordering.
FEATURES
- Genuine Cummins OEM crankcase breather hose
- Direct-fit replacement for factory breather system
- Designed for 1998.5–2002 5.9L 24-valve Cummins applications
- Helps maintain proper crankcase ventilation
- Supports proper crankcase pressure control
- Built to OEM specifications for fit and durability
FITMENT
- 1998.5–2002 Dodge Ram 2500 5.9L Cummins 24V
- 1998.5–2002 Dodge Ram 3500 5.9L Cummins 24V
WHAT'S INCLUDED
- 1 Cummins 3945268 OEM Crankcase Breather Hose
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3945268
- Crankcase breather assemblies
- Valve cover breather components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3945268
- Part Type: Crankcase Breather Hose
- Engine Compatibility: 5.9L Cummins 24-Valve
- Fitment Years: 1998.5–2002
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This hose is designed for 1998.5–2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 24-valve Cummins engine. Always verify your application before ordering.
Is this a direct replacement?
Yes. Cummins 3945268 is a direct-fit OEM replacement crankcase breather hose.
What is included?
This listing includes one Cummins 3945268 OEM crankcase breather hose.
What does the crankcase breather hose do?
The breather hose allows crankcase gases to vent properly, helping control internal engine pressure and supporting proper engine operation.
When should the breather hose be replaced?
Replace the hose if it becomes cracked, brittle, collapsed, oil-soaked, leaking, or damaged during service.
Do I need any related parts?
Inspect the breather assembly, valve cover fittings, clamps, and related crankcase ventilation components during installation and replace worn parts as necessary.