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Mercedes Benz S420 Oxygen Sensor

We have 7 Items In-stock. Select a year to continue.
$35.19 List Price $41.52 Save $6.33 Availability: In Stock
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UNIVERSAL TYPE OXYGEN SENSOR, HEATED, 4-WIRE, SOLD INDIVIDUALLY

This REPLACEMENT oxygen sensor is crafted from high quality materials - stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound.

Tested to ensure highest level of quality and reliability; it helps to reduce harmful emissions and extends catalyst life.

Notes: May not be compatible with flanges. May require minor modifications

View Installation Instruction

Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE replacement auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.

  • SKU#: USOS-4000
  • Brand: Replacement
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Butt type connectors, without plug
  • Mounting Style: Threaded-in
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Fits the following Mercedes Benz S420 Years:
  • 1996-1998 | All Engines | All Submodels
Rating: (see review/s)

"the first O2 sensor was faulty. Return and replacement went very smoothly. Auto Parts even paid the return postage. Definitely a reputable firm to deal with.I would buy from them in the future without any hesitation." posted by: on July 21, 2014

"It came in the mail I put it in and it worked. Just as expected." posted by: on June 6, 2014 view all 131 reviews

$81.37 List Price $230.00 Save $148.63 Availability: In Stock
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BOSCH SUPER CLASS OXYGEN SENSOR

Bosch Super Class Oxygen Sensor provides patented catalytically activated fine particle filter that prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination that increase sensors life.

Specifications:
  • 4-wire
  • Conical design
  • 13.7 in. wire length
  • Heated
Features:
  • Constructed of premium ceramic technology that incorporates Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
  • Patented catalytically activated fine particle filter prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination, thereby increasing sensor life
  • Prevents premature failure of the catalytic converter
  • Snug fitting OE-style silicone boots ensure proper fit, function, and appearance
  • Rigorously tested for perfect performance while saving money in fuel costs
  • Direct plug-in, no cutting or splicing required.
  • SKU#: BS13782
  • Brand: Bosch
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 12-month or unlimited-mileage Bosch limited warranty
  • Wire Length: 13.7 in.
 
Fits the following Mercedes Benz S420 Years:
  • 1996-1999 | 8 Cyl 4.2L | Base
Rating: (see review/s)

"Great product, fit & finish like oem, works correctly, etc..." posted by: bbmetric on August 7, 2008

$52.18 List Price $125.40 Save $73.22 Availability: In Stock
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DENSO REGULAR CLASS OXYGEN SENSOR

Denso Regular Class Oxygen Sensors are specifically designed to meet the challenging demands of today's engines. Each of Denso's Oxygen Sensor is constructed from the highest quality materials available. Manufactured to the OE standards and subjected to rigorous safety and performance tests.

Specifications:
  • 4-wire
  • 11.77 in. lead wire
  • Non-flanged

Features:
  • Constructed from high quality stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum, and ceramics
  • Double protection layer
  • Aluminum oxide trap layer
  • Porous PTFE filter
  • Stainless steel housing
1 required per vehicle. Requires wire splicing and electrical installation. Reuse your old connector.

  • SKU#: NP2344700
  • Brand: Denso
  • Fit Note: OE #000 540 26 17
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Replaces OE Number: 22641AA280, 22690AA640, 226A04M812, 226A06M406, 226A09M601, 226A19M601
  • Warranty: 12-month Denso limited warranty
 
Fits the following Mercedes Benz S420 Years:
  • 1994 | 8 Cyl 4.2L | Base
$81.35 List Price $95.99 Save $14.64 Availability: In Stock
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WALKER PRODUCTS OXYGEN SENSOR, 4-WIRE -- A high quality, direct fit OE replacement oxygen sensor; Improves car's engine response and gas mileage; Effectively lowers emissions upon replacing its tired old oxygen sensor; Exceeds OE specifications and test requirements; OE part number 5408117.
  • SKU#: 25024609
  • Brand: Walker Products
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
 
Fits the following Mercedes Benz S420 Years:
  • 1996-1999 | 8 Cyl 4.2L | Base
Rating: (see review/s)

"These sensors are of good quality the right price and were a direct fit. The install was easy." posted by: Cobra Dude on May 31, 2013

$77.23 List Price $216.51 Save $139.28 Availability: In Stock
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NTK SUPER CLASS OE IDENTICAL OXYGEN SENSOR

NTK Oxygen Sensors are platinum coated for durability, quality, and expertise with innovation in order to control the fuel and ignition system. Optimize vehicle's performance in the areas of emission and fuel economy.

Specifications:
  • 4-wire
  • 12.8 in. wire length
  • Non-flanged
  • 0-1 V voltage range
  • Thread-in mounting style
  • Includes wiring harness

Features:
  • Delivers superior fit, form, and function
  • Extensively tested to guarantee quality and reliability
  • Precision manufactured with a sensing element incorporating NTK's premier technical ceramics

Direct plug-in and requires no cutting or splicing for installation.

  • SKU#: NG25567
  • Brand: NTK
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Mounting Style: Non-flanged
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Warranty: NGK limited warranty
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Fits the following Mercedes Benz S420 Years:
  • 1996-1999 | 8 Cyl 4.2L | Base
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$81.61 List Price $96.30 Save $14.69 Availability: In Stock
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DELPHI OXYGEN SENSORS, 4-WIRE -- 18.9 in. overall length, 18 x 1.5 mm thread size, 0.88 in. wrench size, round-4 pin connector type, 100,000 miles inspection interval, heated; OE connectors and wire length are within 3 inches of OE specifications; Unique sensor coatings to resist contamination and ensures long lasting reliable operation; With 1-year or 12,000-mile Delphi warranty.
  • SKU#: DELES10579
  • Brand: Delphi
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Thread Size: 18 x 1.5 mm
  • Warranty: 1-year or 12,000-mile Delphi limited warranty
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Fits the following Mercedes Benz S420 Years:
  • 1996-1999 | 8 Cyl 4.2L | Base
$61.59 List Price $72.68 Save $11.09 Availability: In Stock
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Standard Oxygen Sensor

Standard have been renowned in engineering and distributing an across-the-board line of quality replacement parts. Standard continue their dedication in keeping incomparable service and manufacturing innovative merchandises for numerous vehicle applications.

Standard Oxygen Sensors are constructed from strict manufacturing courses and test equipments that guarantee proper function and durability. These Oxygen Sensors are built to operate along with the other components in the vehicle system for your utmost road experience.

Specifications:

  • 4 Terminal wire
  • SKU#: SISG300
  • Brand: Standard
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Connector Gender: Female
  • Warranty: 3-year or 36,000-mile Standard limited warranty
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Fits the following Mercedes Benz S420 Years:
  • 1996-1999 | 8 Cyl 4.2L | Base
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