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Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
  1. Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
  2. Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
  3. Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
  4. Cylinder Head Bolt — Hyundai D4CB (22321-4A000)
  5. Cylinder Head Bolt — Hyundai D4CB (22321-4A000)

D4CB 2.5L Engine Cylinder Head Bolts Set For Hyundai Kia Sorento Bongo 2002–2012

The cylinder head bolts (Part Number: 22321-4A000) for the Hyundai D4CB 2.5L diesel engine are high-strength, Torque-to-Yield (TTY) fasteners.

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Description

Bolt Specifications
Thread Size: M12 x 1.25
Length: 153 mm (Length Under Head)
Head Type: External Hexalobular / Torx
Quantity per Engine: 18 bolts

Recommended Tightening Procedure
To ensure proper clamping force and prevent damage to the engine block or gasket failure, the bolts must be tightened in a specific sequence across four stages:
Step 1: Tighten all 18 bolts to 25 Nm.
Step 2: Tighten all 18 bolts to 49 Nm.
Step 3: Angle-tighten all bolts by 120°.
Step 4: Perform a final angle-tightening of all bolts by 90°.

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