Ultra Performance BERU Z15 Spark Plug with 16mm Spanner Size, Replaces 717 116 38

Ultra Performance BERU Z15 Spark Plug Overview

The BERU Z15 Ultra Performance Spark Plug is engineered to deliver exceptional ignition reliability and high combustion efficiency for a wide range of modern internal‑combustion engines. Designed with the latest spark plug technology, it replaces the legacy model 717 116 38, offering improved performance in both everyday driving and demanding conditions.

Key Technical Specifications

• Ancho de llave (Spanner Size): 16 mm – ensures a secure fit with standard automotive tools.
• Bujía de encendido (Ignition Spark Plug): Features an Eje de masa (Ground Electrode) and a flat‑seat asiento de estanqueidad plano, providing optimal sealing against combustion gases.
• Gama de productos (Product Range): ULTRA – the highest performance tier within BERU’s spark plug lineup.
• Medida de rosca (Thread Size): M14 × 1.25 – compatible with a broad spectrum of engine block designs.
• Técnica de conexión (Connection Technique): SAE – the standard automotive specification for spark plug installation, guaranteeing ease of use and interchangeability.

Design Features That Enhance Engine Performance

The Z15 Ultra incorporates a precision‑machined electrode assembly that maintains consistent spark energy across varying engine temperatures. Its flat‑seat design ensures a tight seal, reducing the risk of gas leakage and preserving compression integrity. The ground electrode’s robust construction minimizes arcing, extending plug life while maintaining high ignition voltage.

Compatibility Across Vehicle Platforms

This spark plug is engineered to fit a diverse array of vehicle makes and models. Its universal thread size (M14 × 1.25) and SAE connection technique allow seamless integration into engines ranging from compact cars to larger passenger vehicles. The Z15 Ultra’s performance characteristics make it suitable for:

• Domestic and imported passenger cars
• Light‑to‑medium duty commercial vehicles
• High‑performance automotive platforms that demand reliable ignition under stress

Installation Guidelines

Installing the BERU Z15 Ultra Spark Plug follows standard SAE procedures:

1. Remove the old spark plug using a 16 mm spanner.
2. Inspect the cylinder head for damage or debris that could affect seating.
3. Apply anti‑seize compound to the threads if recommended by the vehicle manufacturer.
4. Screw in the new plug clockwise until snug, then torque to the specified value using a calibrated tool.
Reconnect the ignition coil or distributor cap, ensuring all connections are secure.

Performance Benefits

Engineers have found that the Z15 Ultra delivers:

• Higher spark energy for improved combustion efficiency.
• Reduced heat loss, preserving engine compression and power output.
Longer service life due to durable electrode materials and precise manufacturing tolerances.

Why Choose the Ultra Performance Series?

The Ultra Performance designation reflects BERU’s commitment to pushing ignition technology forward. By combining advanced metallurgy with meticulous design, the Z15 plug offers:

Consistent spark timing, critical for optimal fuel‑air mixture. Enhanced resistance to high temperatures and pressures, ensuring reliability in turbocharged or high‑output engines. Compatibility with modern engine management systems, supporting precise electronic ignition control.

Conclusion

The BERU Z15 Ultra Performance Spark Plug stands out as a top choice for mechanics and automotive enthusiasts seeking reliable, high‑performance ignition solutions. Its 16 mm spanner size, flat‑seat design, M14 × 1.25 thread, and SAE connection technique make it an adaptable component across numerous vehicle platforms, while its advanced electrode construction guarantees superior combustion efficiency and longevity.