1991 Mercury Emission Control Parts

Choose a Model for your 1991 Mercury


Showing 1 - 10 of 51 products
Image
SKU
Product
Rating
Price

Denso
  • Oxygen Sensor 4 Wire, Direct Fit, Heated, Wire Length: 18.11
  • with18" Sensor O.E. Quality Direct Fit Replacement Sensor
  • Oxygen Sensor - OE Style
  • Product Attributes:
    • Sensor Type: Narrow-band
    • Connector Gender: Male
    • Wiring Harness Length: 18.11
    • Thread Diameter: 0.708
    • Mounting Type: Threaded
    • Wire Quantity: 4
  • 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.

This Part Fits the Following OEM/Substitute Numbers:
13117, 13127, 15717, 15718, 15719, 15724, 15752, 213-1317, 213-1408, 213-1459, 22009, 22016, 22071, 22500, 2344609, 250-24001, 250-24070, 250-24127...VIEW MORE

Additional Fitment Information:
Vehicle Position
1991 - Mercury Sable Upstream

Denso
  • Oxygen Sensor 3 Wire, Direct Fit, Heated, Wire Length: 10.94
  • O.E. Quality Direct Fit Replacement Sensor
  • Oxygen Sensor - OE Style
  • Product Attributes:
    • Sensor Type: Narrow-band
    • Connector Gender: Male
    • Wiring Harness Length: 10.94
    • Thread Diameter: 0.708
    • Mounting Type: Threaded
    • Wire Quantity: 3
  • 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.

This Part Fits the Following OEM/Substitute Numbers:
13942, 213-1228, 22013, 2343002, 250-23002, 350-33014, 75-2826, 75-4301, DY568, DY575, DY600, DY605, DY606, DY829, E9WZ9F472A, ES10133, FO3Z9F472A, FOPZ9F472AA...VIEW MORE

Additional Fitment Information:
Vehicle Position
1991 - Mercury Tracer Upstream

Denso
  • Oxygen Sensor 3 Wire, Direct Fit, Heated, Wire Length: 10.94
  • O.E. Quality Direct Fit Replacement Sensor
  • Oxygen Sensor - OE Style
  • Product Attributes:
    • Sensor Type: Narrow-band
    • Connector Gender: Male
    • Wiring Harness Length: 10.94
    • Thread Diameter: 0.708
    • Mounting Type: Threaded
    • Wire Quantity: 3
  • 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.

Additional Fitment Information:
Vehicle Position
1991 - Mercury Grand Marquis Upstream

Bosch
  • OE MFR of Oxygen Sensors
  • Exact Fit
  • Actual OE Oxygen Sensor
  • Product Attributes:
    • Prop 65 Warning Label Required?: No
    • Connector Gender: Male
    • Grade Type: Regular
    • Wiring Harness Length: 16.4173228346457
    • Automotive Item Weight (lbs): 0.264555 Lb
    • Connector Shape: Round
    • Hex Size (Oxygen Sensor): 22 Mm
    • Terminal Quantity: 4
    • Sensor Type: Heated
    • Heated (Oxygen Sensor): Yes
    • Oxygen Sensor Type: Narrow-band Heated
    • Wiring Harness Included: Yes
    • Terminal Type: Blade
    • Thread Diameter: 18
    • Terminal Gender: Male
    • Automotive Color / Finish: Steel
    • Mounting Type: Threaded
    • Length (Sealing Surface To End Of Connector): 10.6299212598425 In
    • Wire Quantity: 4
  • 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
    • Recommend to use OTC 6500 Flexihead O2 Sensor Wrench
  • 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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Cougar V - Upstream 6 Cyl 3.8L 232

Bosch
  • OE MFR of Oxygen Sensors
  • Exact Fit
  • Actual OE Oxygen Sensor
  • Product Attributes:
    • Prop 65 Warning Label Required?: No
    • Connector Gender: Male
    • Grade Type: Regular
    • Wiring Harness Length: 16.4173228346457
    • Automotive Item Weight (lbs): 0.264555 Lb
    • Connector Shape: Round
    • Hex Size (Oxygen Sensor): 22 Mm
    • Terminal Quantity: 4
    • Sensor Type: Heated
    • Heated (Oxygen Sensor): Yes
    • Oxygen Sensor Type: Narrow-band Heated
    • Wiring Harness Included: Yes
    • Terminal Type: Blade
    • Thread Diameter: 18
    • Terminal Gender: Male
    • Automotive Color / Finish: Steel
    • Mounting Type: Threaded
    • Length (Sealing Surface To End Of Connector): 10.6299212598425 In
    • Wire Quantity: 4
  • 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
    • Recommend to use OTC 6500 Flexihead O2 Sensor Wrench
  • 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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

This Part Fits the Following OEM/Substitute Numbers:
1F2018860A, 1F8018860, AJ0418861B, XR86938, ZZCA18861, ZZM318861, ZZP018861

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Sable V 2986 Upstream 6 Cyl 3.0L 182

Bosch
  • OE MFR of Oxygen Sensors
  • Actual OE Oxygen Sensor
  • Product Attributes:
    • Prop 65 Warning Label Required?: No
    • Connector Gender: Male
    • Grade Type: Regular
    • Wiring Harness Length: 16.4173228346457
    • Automotive Item Weight (lbs): 0.260145 Lb
    • Connector Shape: Round
    • Hex Size (Oxygen Sensor): 22 Mm
    • Terminal Quantity: 4
    • Sensor Type: Heated
    • Heated (Oxygen Sensor): Yes
    • Oxygen Sensor Type: Narrow-band Heated
    • Wiring Harness Included: Yes
    • Terminal Type: Blade
    • Thread Diameter: 18
    • Terminal Gender: Male
    • Automotive Color / Finish: Steel
    • Mounting Type: Threaded
    • Length (Sealing Surface To End Of Connector): 18.9370078740157 In
    • Wire Quantity: 3
  • 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
    • Recommend to use OTC 6500 Flexihead O2 Sensor Wrench
  • 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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Topaz L - Upstream 4 Cyl 2.3L 140

Bosch
  • OE MFR of Oxygen Sensors
  • Alternative Fit 1
  • Actual OE Oxygen Sensor
  • Product Attributes:
    • Prop 65 Warning Label Required?: No
    • Connector Gender: Male
    • Grade Type: Regular
    • Wiring Harness Length: 16.4173228346457
    • Automotive Item Weight (lbs): 0.260145 Lb
    • Connector Shape: Round
    • Hex Size (Oxygen Sensor): 22 Mm
    • Terminal Quantity: 4
    • Sensor Type: Heated
    • Heated (Oxygen Sensor): Yes
    • Oxygen Sensor Type: Narrow-band Heated
    • Wiring Harness Included: Yes
    • Terminal Type: Blade
    • Thread Diameter: 18
    • Terminal Gender: Male
    • Automotive Color / Finish: Steel
    • Mounting Type: Threaded
    • Length (Sealing Surface To End Of Connector): 18.9370078740157 In
    • Wire Quantity: 3
  • 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
    • Recommend to use OTC 6500 Flexihead O2 Sensor Wrench
  • 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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Grand Marquis V - Upstream 8 Cyl 5.0L 302

FelPro
  • Exhaust Gas Recirculation (EGR) Valve Gasket
  • FEL-PRO 70149 Exhaust Gas Recirculation (EGR) Valve Gasket for Ford F-150
  • Product Attributes:
    • Grade Type: Premium
  • Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
  • Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

This Part Fits the Following OEM/Substitute Numbers:
34188, 61-0065, 610065, 703892, 711371900, 7413966, AJ03-20-305, AJ0320305, E6AZ9D476B, F37Z9D476B, F65Z9D476A, G30625, G31851, NCE4774AA, ZZM120305, ZZM220305

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Topaz L - Valve To Manifold 4 Cyl 2.3L 140

Bosch
  • OE MFR of Oxygen Sensors
  • Alternative Fit 1
  • OE Quality Oxygen Sensor
  • Product Attributes:
    • Prop 65 Warning Label Required?: No
    • Connector Gender: Male
    • Grade Type: Regular
    • Wiring Harness Length: 16.4173228346457
    • Automotive Item Weight (lbs): 0.260145 Lb
    • Connector Shape: Round
    • Hex Size (Oxygen Sensor): 22 Mm
    • Terminal Quantity: 4
    • Sensor Type: Heated
    • Heated (Oxygen Sensor): Yes
    • Oxygen Sensor Type: Narrow-band Heated
    • Wiring Harness Included: Yes
    • Terminal Type: Blade
    • Thread Diameter: 18
    • Terminal Gender: Male
    • Automotive Color / Finish: Steel
    • Mounting Type: Threaded
    • Length (Sealing Surface To End Of Connector): 18.9370078740157 In
    • Wire Quantity: 3
  • 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
    • Recommend to use OTC 6500 Flexihead O2 Sensor Wrench
  • 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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Tracer L - Upstream 4 Cyl 1.9L 116

NGK
  • NTK OE Type Oxygen Sensor
  • OE MFR: NTK
  • Direct Fit Oxygen Sensor
  • Product Attributes:
    • Connector Gender: Female
    • Grade Type: Standard Replacement
    • Wiring Harness Length:
      • 17.00
      • 432.00
    • Heated: Yes
    • Connector Shape: Circular
    • Terminal Quantity: 4
    • Wrench Size: 7/8" (22mm)
    • Hex Size: 7/8" (22mm)
    • Sensor Type: Narrow-band
    • Terminal Type: Bullet
    • Thread Diameter: 18.00
    • Terminal Gender: Male
    • Mounting Type: Threaded
    • Technology: Switching Zirconia Type
    • Wire Quantity: 4
  • Features:
    • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
    • OEM QUALITY: NTK is the world's largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
    • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
    • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
    • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
    • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
    • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

This Part Fits the Following OEM/Substitute Numbers:
13083, 13117, 13127, 13133, 13227, 13345, 13497, 15001, 15018, 15022, 15292, 15715, 15716, 15717, 15718, 15719, 15724, 15752...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Position Engine CID
1991 - Mercury Sable V - Upstream Right 6 Cyl 3.8L 232
Showing 1 - 10 of 51 products

Loading...