Denso Oxygen Sensor 234-4018 for Buick/Cadillac/Chevrolet/GMC/Oldsmobile/Pontiac vs GM Genuine Parts 213-4537 Heated Oxygen Sensor
Overall winner: GM Genuine Parts 213-4537 Heated Oxygen Sensor
Key Differences
Choose Denso (A) if you want a more affordable OE-standard oxygen sensor with strong fuel-efficiency claims and mainly for GM-family vehicles listed; choose GM Genuine Parts (B) if you prefer a branded GM heated oxygen sensor marketed to OE specifications and valued for quality/reliability despite a higher price tier and some mixed accuracy reports
Denso Oxygen Sensor 234-4018 for Buick/Cadillac/Chevrolet/GMC/Oldsmobile/Pontiac
O2 sensor designed to meet OE standards. Improves fuel efficiency and offers easy installation. Users report reliable OEM fit and noticeable gas mileage improvements
Pros
- OE-standard construction
- Easy installation
- Improved fuel efficiency
- Reliable OEM replacement
Cons
- Mixed feedback on wiring compatibility
- Mixed feedback on engine light behavior
GM Genuine Parts 213-4537 Heated Oxygen Sensor
GM OE heated oxygen sensor detects exhaust oxygen to optimize emissions and fuel economy. GM recommended replacement part with fit for GM vehicles; praised for quality, reliability, and easy installation. Customer notes include quick setup and code accuracy concerns
Pros
- OE specification for fit
- Easy installation
- Quality and reliability
Cons
- Mixed accuracy feedback
- Not always considered new by customers
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Denso |
| Durability | Tie |
| Versatility | GM GENUINE PARTS |
| User Reviews | Tie |