Cylinder Head Bolt for Cummins 4B / 6B Series

Technical Overview
The Cylinder Head Bolt for Cummins BT Engines secures the cylinder head to the engine block, ensuring proper compression and long-term sealing. This bolt fits Cummins 4B, 4BT, 6B, and 6BT diesel engines.

Detailed Features
• Thread size: M12 x 1.75
• Bolt length: 120 mm
• Required quantity: 10 bolts for 4-cylinder engines (4B, 4BT) and 14 bolts for 6-cylinder engines (6B, 6BT)

FAQ

1. What is the function of this part?
The Cylinder Head Bolt for Cummins BT Engines maintains the correct torque and compression between the head and block, preventing gasket leaks and ensuring efficient combustion.

2. Which engines does it fit?
This bolt is compatible with Cummins 4B, 4BT, 6B, and 6BT diesel engines, including marine and industrial variants of the BT family.

3. How many bolts are required per engine?
Cummins 4-cylinder BT engines (4B, 4BT) require 10 bolts per head, while 6-cylinder versions (6B, 6BT) require 14 bolts per head.

4. What are the dimensions of the bolt?
Each bolt measures 12 x 1.75 x 120 mm and is engineered to OEM-equivalent mechanical strength standards.

5. Is it OEM or aftermarket?
This is a new replacement part supplied to OEM-equivalent standards for Cummins BT diesel engines.

Diesel Pro ensures this component meets OEM standards, with fast international shipping and up to 12 months of warranty.