DENSO Lambda Sensor DOX-0521

Compatible with SUZUKI SX4 (EY, GY) ,
DENSO Lambda Sensor DOX-0521 ensures optimal engine performance and fuel efficiency. Designed for precise air-fuel ratio monitoring.
114.69 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (13.05.2026)
PN DOX-0521
Make DENSO
EAN 8717613048467

The DENSO Lambda Sensor, part number DOX-0521, is engineered to provide accurate oxygen level readings in your vehicle's exhaust system. This precise measurement is crucial for the engine control unit (ECU) to adjust the air-fuel mixture, leading to improved combustion efficiency and reduced emissions. By maintaining the correct air-fuel ratio, this sensor helps your vehicle achieve optimal fuel economy and minimizes the release of harmful pollutants. DENSO's commitment to quality manufacturing ensures reliable performance and longevity for this essential engine component. Installation of the DOX-0521 sensor contributes to smoother engine operation and can help prevent issues such as poor acceleration, rough idling, and increased fuel consumption. It is a direct fit replacement designed to meet or exceed original equipment specifications.

  • Direct fit replacement for specific vehicle applications.
  • Monitors oxygen levels for precise air-fuel ratio control.
  • Contributes to improved fuel efficiency.
  • Helps reduce harmful exhaust emissions.
  • Ensures optimal engine performance and smooth operation.
  • Manufactured by DENSO, a leader in automotive technology.
  • Durable construction for long-lasting reliability.
Oxygen sensor
with heating
Oxygen sensor
Finger-type lambda sensor
Oxygen sensor
Wideband lambda sensor
Oxygen sensor
Pre-lubricated thread
Thread size
M18x1.5
Cable length [mm]
440
Number of pin contacts
4
Manufacturer's restriction
DENSO
OE-number
1821380JA0
Quality
DENSO
Mass [g]
95
Gross weight [g]
128
  • SUZUKI
    • SX4 (EY, GY)
      • 1.5 VVT (RW415, YA11S) (82kW/112PS)
      • 1.5 (RW 415) (73kW/99PS)
SUZUKI
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