Cylinder Head Bolt 0204.C1

Maintain proper engine compression and reliable head gasket sealing with the genuine cylinder head bolt (part 0204.C1). Manufactured to PSA’s exact specifications, this high-strength fastener ensures uniform clamping force across the cylinder head, preventing leaks and preserving engine integrity.

Key Benefits

• Exact OEM Specification
  Forged and threaded to original PSA dimensions and tolerances for seamless fitment—no re-torquing or resizing required.

• High-Strength Alloy Steel
  Heat-treated to deliver superior yield strength and fatigue resistance under repeated thermal and mechanical cycling.

• Precision Torque Control
  Engineered thread profile and head design provide consistent preload when tightened to the manufacturer’s torque sequence, ensuring uniform gasket compression.

• Corrosion-Resistant Finish
  Zinc-nickel plating protects the bolt from corrosion, extending service life in harsh under-hood environments.

• Durable Sealing
  Maintains uniform clamping pressure over time, preventing coolant or oil leaks at the cylinder head interface.

Technical Specifications

• Part Number: 0204.C1

• Material: Quenched and tempered alloy steel

• Finish: Zinc-nickel corrosion protection

• Thread Size: M10 x 1.25 (metric fine)

• Bolt Length: 70 mm (overall)

• Head Type: 12-point flange head for accurate torque application

• Operating Temperature: –40 °C … +150 °C

• Warranty: 24 months genuine-parts coverage

Installation Overview

1. Clean Threads: Remove old bolts and clean head and block bolt holes of debris.

2. Position Head Gasket: Lay the new gasket on the block, align dowels carefully.

3. Insert Bolts: Hand-thread bolts finger-tight in the correct pattern.

4. Torque Sequence: Tighten in three stages—first to 30 Nm, then to 60 Nm, and finally an additional 90° turn each, following PSA’s cross-pattern sequence.

5. Verify: After engine warm-up, re-check bolt angles to ensure proper preload and leak-free sealing.