Holiday Notice: We will be closed for Thanksgiving on Thurs., November 27. Orders will ship the next business day. Please note that shipping carriers may have varied holiday hours. 

My Cart 0
  • Sign In
My Quote
Your Source for Truck Parts & More 1.877.DL.ORDER
  • Compare Products
main product photo
In Stock!

Cummins Hexagon Flange Head Cap Screw | 3900631

SKU
CUM 3900631
MPN
3900631
Special Price $2.78 Regular Price $3.47

Free Haul Days enjoy Free Shipping on qualifying orders.Details

Add to Wish List Add to Compare

Have a Question for Our Team?

Our Customer Service team is ready to help. Call 1.877.DL.ORDER or Monday - Friday 8 AM - 4:30 PM ET

Description

The Cummins Hexagon Flange Head Cap Screw 3900631 is used primarily on BS3 Automotive 5.9-liter B engines. This type of screw has a built-in flange on the head, which provides a wider bearing surface and helps distribute the load over a larger area. It is commonly used in engine assemblies to secure various components, ensuring proper assembly and reliable operation of the engine.

WarningWARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features

  • The Cummins Hexagon Flange Head Cap Screw 3900631 is used primarily on BS3 Automotive 5.9-liter B engine.
More Information
More Information
Shipping Weight (lb) 0.03
Manufacturer Cummins Inc.
Shipping Length (in) 6.00
Shipping Width (in) 4.00
Shipping Height (in) 4.00
Returnable Yes
Core Exchange No
More products from Cummins Inc.
  1. Cummins Lubricating Oil Pump Gasket | 3067613
    Cummins Lubricating Oil Pump Gasket | 3067613
    Special Price $10.30 Regular Price $12.87
    Add to Wish List Add to Compare
  2. Cummins Engine Brake Housing Gasket | 4920093
    Cummins Engine Brake Housing Gasket | 4920093
    Special Price $23.48 Regular Price $29.35
    Add to Wish List Add to Compare
  3. Cummins Oil Suction Connection Gasket | 157551
    Cummins Oil Suction Connection Gasket | 157551
    Special Price $6.26 Regular Price $7.82
    Add to Wish List Add to Compare
  4. Cummins Filter Head Gasket | 3974127
    Cummins Filter Head Gasket | 3974127
    Special Price $13.89 Regular Price $17.36
    Add to Wish List Add to Compare
  5. Cummins Hydraulic Pump Gasket | 3008400
    Cummins Hydraulic Pump Gasket | 3008400
    Special Price $14.20 Regular Price $17.75
    Add to Wish List Add to Compare
  6. Cummins Fuel Pump Gasket | 2897330
    Cummins Fuel Pump Gasket | 2897330
    Special Price $13.72 Regular Price $17.15
    Add to Wish List Add to Compare
  7. Cummins Accessory Drive Support Gasket | 3076225
    Cummins Accessory Drive Support Gasket | 3076225
    Special Price $29.13 Regular Price $36.41
    Add to Wish List Add to Compare
  8. Cummins Oil Cooler Support Gasket | 3066298
    Cummins Oil Cooler Support Gasket | 3066298
    Special Price $34.30 Regular Price $42.87
    Add to Wish List Add to Compare
  9. Cummins Rocker Lever Housing Gasket | 4058981
    Cummins Rocker Lever Housing Gasket | 4058981
    Special Price $57.46 Regular Price $71.83
    Add to Wish List Add to Compare
  10. Cummins Intake Manifold Gasket | 3008591
    Cummins Intake Manifold Gasket | 3008591
    Special Price $6.56 Regular Price $8.20
    Add to Wish List Add to Compare
  11. Cummins Turbocharger Gasket | 3069177
    Cummins Turbocharger Gasket | 3069177
    Special Price $10.95 Regular Price $13.69
    Add to Wish List Add to Compare
  12. Cummins Air Compressor Gasket | 4952625
    Cummins Air Compressor Gasket | 4952625
    Special Price $9.60 Regular Price $12.00
    Add to Wish List Add to Compare
© 2025 Duallane Truck Parts, Inc.