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VAICO V30-0038 Radiator Cap

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VAICO V30-0038 Radiator Cap

The VAICO V30-0038 Radiator Cap is a precision-engineered component designed to fit seamlessly into the cooling system of a wide range of Mercedes-Benz vehicles. Its primary function is to maintain optimal pressure within the coolant circuit, ensuring efficient heat transfer and preventing overheating.

Key Functionalities

  • Pressure Regulation: The cap maintains a consistent pressure level (typically around 1.5–2.0 bar) which raises the boiling point of the coolant, allowing the engine to operate at higher temperatures without risk.
  • Sealing Integrity: Equipped with a high-quality gasket and sealing mechanism, it prevents coolant leaks and protects against contamination from dust or moisture.
  • Thermal Resistance: Constructed from heat-resistant materials, the cap withstands temperatures up to 120 °C (or higher depending on specific model), ensuring durability under prolonged engine operation.

Compatibility and Fitment

The V30-0038 is engineered for a broad spectrum of Mercedes-Benz models, including:

  • E-Class sedans (W124, W210)
  • 190 series (W201)
  • C-Class sedans (W202, W123)
  • SLK and Q+ variants
  • A-Class models with specific part numbers such as A1245000206

Its design adheres to OEM specifications, guaranteeing a snug fit without the need for modifications. The cap’s dimensions match those of the original equipment, ensuring compatibility across different production years.

Material Composition

  • Body: High-grade aluminum alloy provides lightweight strength and excellent thermal conductivity.
  • Gasket: Dual-layer silicone rubber offers superior sealing performance, resisting degradation from coolant additives and temperature fluctuations.
  • Threading: Hardened steel threads ensure long-term durability against repeated tightening cycles.

Installation Guidelines

  1. Preparation: Ensure the engine is cool and the cooling system has been drained to avoid pressure buildup during installation.
  2. Removal of Old Cap: Use a suitable wrench or socket to unscrew the existing radiator cap. Dispose of any residual coolant responsibly.
  3. Cleaning: Clean the cap mounting surface and the gasket area with a mild solvent to remove debris.
  4. Seating the New Cap: Align the V30-0038 with the threaded opening, ensuring the gasket is properly positioned. Hand-tighten initially, then use a torque wrench set to the manufacturer’s recommended value (typically around 10–12 Nm).
  5. Pressure Test: After reassembly, perform a pressure test using a radiator pressurizer to confirm that the cap maintains the specified pressure without leakage.

Maintenance Tips

  • Inspect the gasket for signs of wear or cracking every 12–18 months.
  • Avoid using high-temperature coolant additives that could compromise the seal integrity.
  • Replace the cap if any abnormal noises (e.g., hissing) are detected during engine operation, indicating a potential pressure loss.

Benefits of Choosing VAICO V30-0038

  • Reliability: Matches OEM performance standards, reducing the risk of overheating and associated engine damage.
  • Longevity: Durable construction extends service life beyond typical aftermarket caps.
  • Ease of Replacement: Straightforward installation process compatible with standard tools.
  • Cost-Effectiveness: Provides high value by combining quality and affordability without compromising safety.

Technical Specifications

Parameter Specification
Pressure Rating 1.5–2.0 bar (depends on model)
Maximum Operating Temperature 120 °C (±10 °C tolerance)
Material – Body Aluminum alloy (6061-T6)
Gasket Material Silicone rubber (NR-10)
Thread Size M12 × 1.5 mm
Weight ≈0.08 kg

Conclusion

The VAICO V30-0038 Radiator Cap exemplifies engineering precision tailored for Mercedes-Benz cooling systems. Its robust construction, reliable pressure regulation, and seamless fitment make it an indispensable component for maintaining engine performance and longevity.


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13.88 EUR
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9.98 EUR
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Brand VAICO

VAICO is a brand of car parts and accessories. It was founded in 1988 and is headquartered in Germany. The brand offers a wide range of products, including filters, brakes, clutches, and more.
Model VAICO V30-0038
MPN VAICO V30-0038
ID 8315484
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