

⚡ Tune Smarter, Drive Stronger — Never Miss a Beat with Bosch LSU 4.2!
The Bosch LSU 4.2 Wideband O2 Sensor with NTK/NGK connector is a high-precision digital sensor designed for NGK Powerdex AFX and Ballenger Motorsports AFR500/AFR500v2 units. Featuring ±1% accuracy and a wide 10:1 to 20:1 air-fuel ratio measuring range, it offers plug-and-play installation and reliable long-term performance for professional-grade engine tuning.




| ASIN | B00OZPXJ54 |
| Best Sellers Rank | #3,292,332 in Automotive ( See Top 100 in Automotive ) #17,736 in Automotive Replacement Oxygen Sensors |
| Brand | BALLENGER MOTORSPORTS |
| Date First Available | October 29, 2014 |
| Department | unisex-adult |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.6 ounces |
| Item model number | SNSR-01012 |
| Manufacturer | Ballenger Motorsports |
| Measurement Accuracy | ±1% |
| Measuring Range | 10:1 to 20:1 |
| Mounting Type | Plug Mount |
| Output Type | Digital |
| Specific Uses For Product | NGK Powerdex AFX, Ballenger Motorsports AFR500 & AFR500v2 |
| Style | Modern |
| UPC | 860503000156 |
N**.
Out with the old in with the new
Fit my NGK AFX as promised. My old sensor after years and years of use was getting erratic. This sensor solved that issue.
J**.
Five Stars
The O2 Sensor worked fine with my AFX unit.
D**K
works great!
Second Sensor, works great!
Trustpilot
1 month ago
2 weeks ago