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⚡ Ignite your ride with Bosch’s Super 4 spark plugs – where power meets precision!
The Bosch WR78 (N53) Super 4 spark plugs set features a unique four-electrode design with a durable nickel core and ceramic top, engineered for motorcycles and classic vehicles. This OEM Bosch product ensures reliable ignition, improved engine sound, and long-lasting performance, making it a top choice for enthusiasts seeking both quality and enhanced driving experience.






| ASIN | B002ZRQ42O |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 13,955 in Automotive ( See Top 100 in Automotive ) 85 in Car Spark Plugs |
| Brand | Bosch |
| Brand Name | Bosch |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Nickel |
| Core material | Nickel |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 495 Reviews |
| Global Trade Identification Number | 03165141077193 |
| Manufacturer | Bosch |
| Manufacturer Part Number | 0242232803 |
| Model Number | 0242232803 |
| OEM Equivalent Part Number | ALFA ROMEO 46759688, ALFA ROMEO 60569086, ALFA ROMEO 7686643, AUDI 101000026AA, AUDI 101000036AA, AUDI 101000036AB, AUDI 101000036AC, AUDI 101000040AC, AUDI 101000040AD, AUDI 101000040AE, AUDI 101000050AA, AUDI 101000050AB, AUDI 101000050AC, BMW 12121265595, BMW 12121267485, BMW 12121338145, BMW 12129061871, FIAT 5894587, FIAT 5984036, FIAT 71711806, FIAT 71736278, FIAT 71736279, FIAT 7554432, FIA… |
| Thread Size | M14x1.25 |
| Thread size | M14x1.25 |
| Top Material Type | Ceramic, Nickel |
| Top material type | Ceramic , Nickel |
| Vehicle service type | Motorcycle |
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Engine bang sticks
First time coming across a four widget spark plug. Have to say though, bloody brilliant! These little beauties have actually made my engine sound better, which wasn’t something I was expecting them to do. Worth the investment.
A**R
Roveer V8 Spark plugs
Perfect fit for my Rover V8 engine.
F**K
Bosch Quality
Quality product by Bosch. Good price too. Arrived as promised from Germany, fitted and functioned as you wold expect Have a classic VW, so best to fit these I think.
R**6
Great value
Lots of people have recommended these plugs for my T25 not fitted yet but look great 👍
J**S
Ideal spares
Ideal replacements for the old ones fitted to the MG.
P**E
Plugs
Replace plugs on old car and is running better
G**S
not to get
Waited over the estimated delivery time and never arrived . I have used bosch plugs before and they are a good product . Recommend you buy from a garage rather than on line from Germany the delivery is disgusting
A**R
Dose not fit
Dose not fit Vw Lupo 1.0 but says it dose by registration and make and model 😑
P**K
Perfect!
Quick Delivery - Perfect
K**Ö
Für TR Model 6 Zylinder
Gekauft für einen 6Zylinder TR . Läuft super damit
J**.
Perfecto para Lada Niva
Perfectas para Lada Niva 1600.
A**O
Ottime
Perfette fanno il suo fantastico lavoro
M**H
parfait
no comm
Trustpilot
2 months ago
3 weeks ago