ELRING 820.122 Nuts And Bolts

ELRING 820.122 Nuts And Bolts

The ELRING 820.122 Nuts And Bolts is a precision‑engineered cylinder head bolt kit designed to meet the exacting standards of Mercedes-Benz and Puch engines. Crafted from high‑strength alloy steel, this set delivers reliable performance in demanding automotive applications.

Key Features

• Material Quality: Made from premium alloy steel with a hardened finish to resist wear and corrosion under high temperature and pressure conditions.
• Exact Fit: Engineered to match the original equipment specifications for a range of Mercedes-Benz models, including W124, S-Class (W126), G-Class, E-Class, and various Puch diesel engines.
• Comprehensive Kit: Includes all necessary nuts, bolts, washers, and torque specifications to complete a cylinder head installation without the need for additional components.
• Weight: The entire kit weighs 1.749 kg, ensuring a lightweight yet robust solution that does not compromise vehicle performance.
• Durability: Designed to withstand repeated thermal cycling and mechanical stress, providing long‑term reliability for both new builds and rebuild projects.

Applications

The ELRING 820.122 kit is specifically tailored for the following engine families:

• Mercedes-Benz OM603 series (including 3.0L six‑cylinder configurations)
• Puch diesel engines used in G-Class, E-Class, and S-Class models
• Various Mercedes-Benz sedan and SUV platforms that require a cylinder head bolt set for optimal sealing and torque distribution.

Installation Overview

Installing the ELRING 820.122 kit involves a systematic approach to ensure proper torque sequencing and even pressure distribution across the cylinder head:

1. Preparation: Clean all mating surfaces thoroughly, removing any old gasket material or debris.
2. Bolt Placement: Insert each bolt through its designated hole, aligning with the corresponding nut on the engine block.
3. Tightening Sequence: Follow the manufacturer’s torque table in a star pattern to achieve uniform clamping force. The kit includes a detailed torque chart for reference.
4. Final Checks: Verify that all bolts are tightened to specification and inspect for any signs of misalignment or damage before reassembling the cylinder head.

Maintenance Tips

• Inspect bolts periodically for signs of wear, especially in high‑performance or heavy‑load applications.
• Avoid over‑tightening; use a calibrated torque wrench to maintain the specified limits.
• Store unused kits in a dry environment to prevent rust and corrosion.

Why Choose ELRING?

ELRING is renowned for its commitment to quality and precision engineering. The 820.122 kit reflects this heritage, offering:

• Consistent manufacturing tolerances that guarantee a perfect fit across all supported models.
• Extensive testing under real‑world conditions to validate performance and durability.
• A reputation for reliability that has earned trust among professional mechanics and automotive enthusiasts alike.

Conclusion

The ELRING 820.122 Nuts And Bolts kit stands out as a dependable, high‑quality solution for cylinder head bolt needs in Mercedes-Benz and Puch engines. With its precise engineering, lightweight construction, and comprehensive component set, it delivers the performance and reliability required by modern automotive applications.