Description
DENSO 234-4123 Upstream Heated Oxygen Sensor
Engineered to meet strict OE specifications for performance, durability, and emissions compliance. Measures oxygen content in exhaust gases to optimize air‑fuel ratio. Ensures proper engine performance, fuel efficiency, and emissions control. Designed as an exact OE‑identical replacement for a first‑time, no‑modification fit.
Features
– Heated, 4‑wire design for fast light‑off and accurate readings
– 12.99‑inch wiring harness with male connector
– Threaded M18 screw‑in mount for secure installation
– Stainless steel housing for corrosion resistance and long service life
– Aluminum‑oxide trap layer protects the ceramic element from silicone and lead contamination, extending sensor life
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