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Mercedes Benz 400SEL Mass Air Flow Sensor

We have 31 Items In-stock.
$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
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Butt type connectors, without plug
  • Mounting Style: Threaded-in
  • Notes: Designed to fit screw-in type bungs; May not be compatible with flanges
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Fits the following Mercedes Benz 400SEL Years:
  • 1993 | All Engines | All Submodels
Rating: (see review/s)

"Ive been ordering parts from APW for years and have always received the right part in such a quick time and great price I wouldnt order parts from any other company and they also do price matching, so why bother buying from other companies" posted by: jon on October 11, 2014

"This is an inexpensive O2 sensor and after 3 days it failed resulting in having to buy another sensor a three time the price that is currently working fine. I guess the old saying is true you get what you pay for." posted by: Jura on September 29, 2014 view all 134 reviews

$85.51 List Price $215.65 Save $130.14 Availability: In Stock
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BOSCH REGULAR CLASS OXYGEN SENSOR

Bosch Regular Class Oxygen Sensor provides submersible patented connection system that protects against contamination, withstands the effects of extreme temperatures, and engine vibration. Made to improve engine performance, prevents premature failure for catalytic converter, and reduces harmful emissions.

Specifications:
  • 4-wire
  • 26.8 in.
  • Heated

Features:
  • Manufactured with a two-foot length sensor wire
  • Uses a submersible patented connection system that protects against contamination and withstands the effects of extreme temperatures and engine vibration
  • Posi-lock connectors that can be unscrewed and reconnected in case of a wiring mistake

Wire splicing required.

  • SKU#: BS15736
  • Brand: Bosch
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 12-month or unlimited-mileage Bosch limited warranty
  • Wire Length: 26.8 in.
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
Rating: (see review/s)

"Since I could not get the old part off I had to pay someone else to do the install. They used my part so I still saved some money." posted by: bumper watcher on October 27, 2009

$52.76 List Price $163.24 Save $110.48 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#: NP2344000
  • Brand: Denso
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: 12-month Denso limited warranty
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$48.99 List Price $75.58 Save $26.59 Availability: In Stock
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K&N – PERFORMANCE AIR FILTERS

When most people think of top-of-the-line performance air filters, K&N comes to mind. That’s probably because in addition to being regarded as the world’s finest filtration company, K&N performance air filters will last as long as your vehicle’s engine does and are a 100% legal factory replacement that can boost your horsepower output by as much as 4 horsepower. Started in 1969, K&N has garnered a reputation for engineering the world’s finest filtration products for cars, trucks, SUVs, motorcycles, race vehicles, commercial vehicles and anything in-between.

  • Replaces existing air filter
  • Boosts cold air flow which translates to more horsepower
  • Backed by K&N’s million mile warranty
  • Custom fit to your vehicle’s specifications
  • Cotton-gauze design features as many as 6 layers of filtration
  • The world’s best performance air filter
  • Only need to clean every 50,000 miles
  • All filters are washable, reusable and come already oiled by K&N
  • 50-state legal and ‘green’ design
  • Increases horsepower (up to 4 hp) and fuel efficiency
  • One air filter will last as long as one vehicle’s engine
  • Maintain with K&N Recharger kit - (not included)
  • Made in America
  • SKU#: K33332678
  • Brand: K&N
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: Performance
  • Style: Oiled
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Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$92.34 List Price $108.96 Save $16.62 Availability: In Stock
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WALKER PRODUCTS OXYGEN SENSOR

Walker Products Oxygen Sensors are made to improve engine response and performance. Their typical life expectancy ranges from 30,000 to 60,000 miles if accompanied with regular preventive maintenance while heated oxygen sensors can last 100,000 miles or more.

Specifications:
  • 4-wire

Features:
  • Improves car's engine response and gas mileage
  • Effectively lowers emissions upon replacing its tired old oxygen sensor
  • Exceeds OE specifications and test requirements


  • SKU#: 25024038
  • Brand: Walker Products
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
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$38.34 List Price $45.24 Save $6.90 Availability: In Stock
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FRAM EXTRA LIFE AIR FILTER

Fram Extra Life air filter is the first air filter to utilize two integral filtering elements. It protects the engine and provides more airflow for improved performance. It also helps prevent damaging particles from entering the engine and causing increased engine wear. Lastly, it lasts 50 percent longer and stops 50 percent more dirt than any other brand.

Specifications
  • 13.06 in. L x 6.13 in. W x 1.75 in. H
  • Panel style
  • SKU#: FFCA7336
  • Brand: Fram
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: Same day - 1 business day
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Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$94.14 List Price $257.47 Save $163.33 Availability: In Stock
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NTK SUPER CLASS OE IDENTICAL OXYGEN SENSOR

NTK Oxygen Sensor combines expertise with innovation in order to control the fuel and ignition systems to optimize a car's performance in the areas of emissions and fuel economy.

Specifications:
  • 4-wire
  • 13.78 in. wire length
  • Non-flanged
  • Heated
Features:
  • Precision manufactured with a sensing element incorporating NTK's premier technical ceramics
  • Delivers superior fit, form, and function
  • Extensively tested to guarantee quality and reliability
Supplied with a factory-fitted OEM connector for easy installation. Direct plug-in, no cutting or splicing required.
  • SKU#: NG25534
  • Brand: NTK
  • Quantity Sold: Sold Individually
  • 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.
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Fits the following Mercedes Benz 400SEL Years:
  • 1993 | All Engines | Base
$182.52 List Price $215.37 Save $32.85 Availability: In Stock
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STANDARD CRANKSHAFT SENSOR, NEW -- 1 terminal, 1 mounting hole; A high quality, direct fit OE replacement crankshaft sensor; With 3-year or 36,000-mile Standard limited warranty.
  • SKU#: SIPC344
  • Brand: Standard
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 3-year or 36,000-mile Standard limited warranty
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$139.32 List Price $164.40 Save $25.08 Availability: In Stock
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Beck Arnley Crankshaft Position Sensor

Beck Arnley is a leading provider of quality automotive parts equivalent to OE structure, fit, and performance together with the hard-to-find merchandise for cars, light trucks, and SUVs. Beck Arnley's years of experience and proficiency in global sourcing provides vehicle owners the precise part for the right and most up-to-date vehicle applications.

Beck Arnley Crankshaft Position Sensors are thoroughly built to carry out vehicle needs and owners selection since automotive experts carefully toughened and cycled all components for safekeeping and supreme function.

  • SKU#: BEC1800477
  • Brand: Beck Arnley
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$87.33 List Price $103.05 Save $15.72 Availability: In Stock
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DELPHI OXYGEN SENSORS, 4-WIRE -- 13.78 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#: DELES10449
  • Brand: Delphi
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • 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 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$4.53 List Price $5.35 Save $0.82 Availability: In Stock
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CENTRIC BRAKE PAD WEAR SENSOR

When selecting a dependable brand name for your braking system's brake pad wear sensor, count on Centric. Centric's collection of OE quality brake pad wear sensor is specially designed for to deliver perfect fit and performance. To achieve original equipment production quality, every Centric OE Replacement Brake Pad Wear Sensor is crafted after rigorous industry criteria.

  • SKU#: CE116.35001
  • Brand: Centric
  • Anticipated Ship Out Time: 1-2 Business Days
  • Length: 3.75 in.
  • Warranty: 90-day or 3,000-mile Centric limited warranty
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
Rating: (see review/s)

"This product is already in use and did solve the problem with the light staying on. I recieved this part sooner and at a better price than I could get it from the dealer." posted by: on January 4, 2009

$27.47 List Price $32.41 Save $4.94 Availability: In Stock
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HASTINGS PREMIUM AIR FILTER

Hastings Premium air filter is built to meet or exceed OE specifications and ensures to provide protection that the engine needs. Proven to separate and stabilize the pleated media on heavy-duty air filters. Features permapleat construction that forms dividers between pleats and prevents bunching for insured uniform air flow. It provides a continuous bead of adhesive around the circumference of a filter's metal wrap, either inner or outer, to lock the pleat tips in place and prevent movement.

Specifications
  • 0.5. and 9.44 in. inside diameter, 13.78 in. outside diameter, 14.5 in. height
  • Panel style
Notes
  • Replaces Atlas Copco 16193784, International 346779-R91, and Baldwin Pa1706
  • SKU#: HAAF989
  • Brand: Hastings
  • Fit Note: Car
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: Same day - 1 business day
  • Filtration Efficiency Rating: Up to 99%
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Fits the following Mercedes Benz 400SEL Years:
  • 1993 | 8 Cyl 4.2L | Base
$13.95 List Price $18.00 Save $4.05 Availability: In Stock
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MANN Air Filter

MANN air filters remove destructive particles such as dust, pollen, sand, soot or even drop of water out of the intake air. They ensure that only clean air gets into the combustion chamber.

MANN air filters also prevent damage caused in various ways to electronic components such as highly delicate sensors (hot-film air flow meters). MANN air filters have other important functions.
  • OE Equivalent and a Direct fit Application.
  • Improves performance and fuel economy.
  • Guarantees optimum control of the fuel-air mixture.
  • Prevents abrasive particulate matter from entering the engine.
The MANN air filters lessen intake noise, control temperature regulation and seal off adjacent components. MANN is setting new standards for the air filtration of tomorrow with its air filter solutions.

Warranty Information: 12 month - 12,000 mile limited warranty against defects in material and workmanship.


  • SKU#: W0133-1634737
  • Brand: Mann-Filter
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | All Engines | All Submodels
Rating: (see review/s)

"Super product and service. Minimum delivery time required. Price was at the right level and competitive." posted by: ADAM on November 23, 2009

"Very good quality with good price. They are perfect to install just as easy as the OEM." posted by: Deemei on April 30, 2009 view all 2 reviews

$184.95 List Price $218.24 Save $33.29 Availability: In Stock
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  • SKU#: W0133-1716122
  • Brand: OES Genuine
  • Fit Note: Not for models with ASR.
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | All Engines | All Submodels
$19.15 List Price $22.60 Save $3.45 Availability: In Stock
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MAHLE AIR FILTER -- 41 mm height; 156 mm outside diameter; A high quality, OE replacement air filter.
  • SKU#: MAHLX348
  • Brand: Mahle
  • Recommended Use: OE Replacement
  • Style: Dry
  • Anticipated Ship Out Time: 1-2 Business Days
 
Fits the following Mercedes Benz 400SEL Years:
  • 1993 | All Engines | All Submodels
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