Bosch Spark Plug – 101905631G – Audi A4 / A5 / A6 / Q5 – 1.8 TFSI / 2.0 TFSI
Product Description:
The Bosch 101905631G Spark Plug is a high-performance, OEM-grade spark plug designed for Audi models including the A4, A5, A6, and Q5 equipped with 1.8 TFSI and 2.0 TFSI engines. Trusted by leading automotive manufacturers, Bosch spark plugs deliver reliable ignition, efficient combustion, and smooth engine operation under all driving conditions.
This spark plug ensures consistent spark performance for improved fuel efficiency, reduced emissions, and enhanced throttle response—making it an ideal replacement for your factory-installed plugs.

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