
















⚡ Tune your Mazda3 to perfection with precision knock detection!
This Kuuleyn knock detonation sensor is a high-accuracy, OEM-spec replacement part designed exclusively for Mazda3 BK models (2003-2009) with 1.4 to 2.3L engines. Made from durable, lightweight hose material, it ensures reliable knock detection to optimize engine performance and longevity. Easy to install and perfectly matched to original factory specifications (OE number ZJ01-18-921), it’s the smart upgrade for maintaining your car’s peak condition.








| ASIN | B08R3YVZRH |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 64,401 in Automotive ( See Top 100 in Automotive ) 7 in Car Engine Detonation Sensors |
| Colour | popular |
| Customer Reviews | 4.7 4.7 out of 5 stars (24) |
| Date First Available | 21 Dec. 2020 |
| Item Package Quantity | 1 |
| Item Weight | 81 g |
| Item model number | Kuuleyn7nfcv3ta1w |
| Manufacturer | Kuuleyn |
| Material | Hose |
| Part number | Kuuleyn7nfcv3ta1w |
| Product Dimensions | 3 x 3 x 3 cm; 81 g |
| Size | normal |
| Specific uses | automotive |
R**A
Worked nice
This works fine on mazda 3, 1.6 petrol BL. It also fits for E1T50371 as mine was E1T50371 and had to research enough whether it would fit or not. Works fine.
T**O
Afforable compare to other products
It fitted my mazda 3 2008
L**S
6 months and no issues so far
Really cheap compared to others I have seen and no issues to report so far. Knock sensor warning went away
I**S
Works fine after installation.
G**Y
Günstiges Teil einwandfreie Funktion
D**N
Und macht das was er soll, funktioniert einwandfrei
A**R
Passt und Funktioniert Alles gut
Trustpilot
2 weeks ago
2 months ago