1986 Mercedes-Benz 420SEL Oxygen Sensors

Your 1986 Mercedes-Benz 420SEL might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Oxygen Sensors you desperately need.

We currently carry 5 Oxygen Sensors to choose from for your 1986 Mercedes-Benz 420SEL, and our inventory prices range from as little as $74.99 up to $143.21.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Oxygen Sensors for the 1986 Mercedes-Benz 420SEL. We only sell parts from trusted brands like Bosch so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Oxygen Sensors stock in-person!

Oxygen Sensors for Your 1986 Mercedes-Benz 420SEL

Bosch – Oxygen Sensor: 3 Wire, 28.54" Long, Heated, Universal (Part No.15735)

Oxygen Sensor: 3 Wire, 28.54" Long, Heated, Universal

from

$79.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
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Bosch – Bosch Oxygen Sensor (Part No.C501033539BOS)

Bosch Oxygen Sensor

from

$143.21
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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Bosch – Oxygen Sensor: 3 Wire, 37.8" Long, Heated, Exact Fit (Part No.13926)

Oxygen Sensor: 3 Wire, 37.8" Long, Heated, Exact Fit

from

$129.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
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DENSO – Oxygen Sensor: Upstream, 3 Wire, 38.19" Long, Heated, Exact Fit (Part No.234-3081)

Oxygen Sensor: Upstream, 3 Wire, 38.19" Long, Heated, Exact Fit

from

$118.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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DENSO – Oxygen Sensor: 3 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-3000)

Oxygen Sensor: 3 Wire, 11.77" Long, Heated, Universal Fit

from

$74.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
See More

FAQs for 1986 Mercedes-Benz 420SEL Oxygen Sensors

What are the most popular Oxygen Sensors for the 1986 Mercedes-Benz 420SEL?

With 2 brands you can trust, our most popular Oxygen Sensors for the 1986 Mercedes-Benz 420SEL parts are:
Oxygen Sensor: 3 Wire, 28.54" Long, Heated, Universal
from $79.99
This product is not rated
Oxygen Sensor: 3 Wire, 28.54" Long, Heated, Universal
Oxygen Sensors
Oxygen Sensor: 3 Wire, 37.8" Long, Heated, Exact Fit
from $129.99
This product is not rated
Oxygen Sensor: 3 Wire, 37.8" Long, Heated, Exact Fit
Oxygen Sensors
Bosch Oxygen Sensor
from $143.21
This product is not rated
Bosch Oxygen Sensor
Oxygen Sensors