Product Description
Cummins 3946377 Genuine OEM Hexagon Head Cap Screw
The Cummins 3946377 Genuine OEM Hexagon Head Cap Screw is a factory-original Cummins fastener engineered to meet OEM specifications for fit, strength, and long-term reliability. Designed for use in various Cummins diesel engine applications, this genuine replacement hardware helps ensure proper component retention and maintains the integrity of critical engine assemblies.
Unlike generic replacement fasteners, the Cummins 3946377 is manufactured to precise factory standards for thread engagement, clamping force, and durability. Whether performing routine maintenance, engine repairs, or a complete rebuild, using genuine Cummins hardware helps maintain the performance and reliability your engine was designed to deliver.
Features
- Genuine Cummins OEM replacement fastener
- Factory-engineered hexagon head cap screw
- Manufactured to Cummins specifications
- Designed for proper fit and thread engagement
- Provides reliable clamping force and retention
- Ideal for maintenance, repairs, and engine rebuilds
- Helps maintain OEM performance and reliability
- Constructed from high-strength materials for durability
- Direct replacement for worn, damaged, or missing hardware
- Trusted Cummins quality and engineering
Fitment
- Various Cummins diesel engine applications
- Dodge Ram Cummins trucks
- 5.9L Cummins diesel engines
- 6.7L Cummins diesel engines
- Industrial Cummins engine applications
- Commercial Cummins engine applications
- Engine service and repair operations
- OEM replacement hardware applications
Note: Always verify part number 3946377 and application compatibility using your engine serial number before ordering. Fastener location and application may vary depending on engine model and year.
What's Included
- One (1) Genuine Cummins 3946377 Hexagon Head Cap Screw
Specifications
- Manufacturer: Cummins
- Part Number: 3946377
- Product Type: Hexagon Head Cap Screw
- Material: OEM High-Strength Steel Construction
- Finish: Cummins OEM Specification
- Application: Engine Fastener Hardware
- Fitment Type: Direct OEM Replacement
- Engine Compatibility: Various Cummins Diesel Engines
- Primary Use: Service, Repair, and Engine Rebuild Applications
- Brand: Genuine Cummins
Cross Reference Numbers
3946377, Cummins 3946377, OEM Cummins Fastener, Cummins Hex Head Cap Screw
FAQ
Is the Cummins 3946377 a genuine OEM part?
Yes. The 3946377 is a genuine Cummins OEM hexagon head cap screw manufactured to factory specifications for fit, performance, and reliability.
Will this fit my Dodge Ram Cummins?
The 3946377 is used in various Cummins-powered applications. Always verify compatibility using your engine serial number or vehicle information before purchasing.
Why use a genuine Cummins fastener instead of a generic bolt?
Genuine Cummins hardware is engineered to meet OEM requirements for material strength, dimensions, thread engagement, and clamping force, helping ensure proper installation and long-term reliability.
Can this screw be reused?
Fastener reuse recommendations vary by application. During engine repairs or rebuilds, replacing worn or damaged hardware with genuine Cummins parts is generally recommended.
Is this sold individually?
Yes. This listing includes one genuine Cummins 3946377 hexagon head cap screw unless otherwise specified.