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MASTER-SPORT U-SERIE-MS-21 Spark plug Spanner Size: 21 mm
- Precise spark for fast and reliable ignition of the mixture – efficient combustion from the first turn of the starter for better dynamics and lower fuel consumption.
- High resistance to corrosion and engine operating temperatures – durable electrodes made of resistant alloys guarantee reliable operation even under extreme temperatures and loads.
- Optimised electrode gap for full combustion efficiency – maintains engine stability, reducing vibrations, misfiring and harmful emissions into the atmosphere.
- Faster reaching of operating temperature after starting the engine – shortens the cold start phase, which reduces component wear and has a positive effect on engine durability.
- Compatibility with modern ignition systems – working with both high-voltage and multi-point injection systems to ensure full synchronisation with the vehicle's ECU.
- Improved acceleration and throttle response – a properly selected spark plug eliminates ignition delays, increasing the engine's immediate response in all road conditions.
- Reduced carbon deposits and build-up on the spark plug tips – the modern design reduces contamination, resulting in longer service intervals and smooth engine operation.
- Spanner Size: 21 mm
- Net weight [kg]: 0,26
- Gross Weight [kg]: 0,26
- Item number: U-SERIE-MS-21
- Manufacturer: MASTER-SPORT
- EAN number: 4250083927503
- Condition: New
OE reference number(s) comparable with the original spare part number:

Spark plug MASTER-SPORT U-SERIE-MS-21 compatible with the following popular cars
Car models | GOLF 2 (19E; 1G1); Golf 1 Convertible; Audi 80 B3; VW Jetta 2; Seat Toledo 1L; Audi 100 C3; VW Scirocco 2; Audi 80 B2; Audi 100 Avant C3; VW Passat 32B; Passat B2 Hatchback (32B); VW Santana 32B; Passat B2 Saloon (32B) |
Engines | 1.6; 1.8; 1.6 i; 1.3 |
Engine power (horsepower) | 60-75 hp |
Power (kilowatts) | 44-55 kW |
Year of manufacture | 1978-1993 |
Manufacturer article number | U-SERIE-MS-21 |
OE part number(s) | 101 000 036 AB, 101 000 026 AA, 101 000 039 AB, 101 000 038 AA, 101 000 050 AA |
Spark plug MASTER-SPORT U-SERIE-MS-21 : Review and evaluation
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MASTER-SPORT U-SERIE-MS-21: popular articles
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BOSCH:
0 242 229 658 -
BORGW BERU:
0001330112 -
NGK:
BUR5ET-10 -
MS:
U-SERIE-MS-21