1991 Mercury Grand Marquis Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Air Bag Parts
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Door Lock Actuators + Switches
- Window Motors + Switches
- Alternators
- Starters
- Batteries
- Voltage Regulators
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Solenoids, Sensors, Switches, Control Units
- Relays, Cables & Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
- Mass Air Flow Sensors
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WVE®HornMercury Grand Marquis 1991, Horn by WVE®. Low Note. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$23.47 - WVE®Relay ConnectorMercury Grand Marquis 1991, Relay Connector by WVE®. Finish: Gray. 5 Terminal. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$31.44
- Standard®Electrical ConnectorMercury Grand Marquis 1991, Electrical Connector by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts for...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$20.89 - $35.97
- WVE®Diagnostic Test ConnectorMercury Grand Marquis 1991, Diagnostic Test Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$35.71
- United Motor Products®Headlight ConnectorMercury Grand Marquis 5.0L 1991, Headlight Connector by United Motor Products®. Finish: Blue. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$5.15
- Dorman®OE Solutions™ Odometer Drive GearMercury Grand Marquis 1991, OE Solutions™ Odometer Drive Gear by Dorman®. Material: Plastic. Looking to maintain the top condition of your electrical system? Dorman is ready to help you! Just choose from their immense selection of...Easy to installDirect replacement for a proper fit$42.60 - $67.68
- Remy®AlternatorMercury Grand Marquis 5.0L 1991, Alternator by Remy®. The alternators by Remy provide significant fuel efficiency and the lowest noise available on the market today. They feature patented winding technology which helps them boast the...Boasts the lowest mass in the industryProvides maximum fuel economy$70.33 - $133.77
- Quality-Built®AlternatorMercury Grand Marquis 5.0L with Ford Alternator 1991, Alternator by Quality-Built®. With 6 Groove Serpentine Pulley. External Fan. Rotation: Clockwise. Voltage: 12V. Get professional installer quality at a DIY price with a Quality-Built...Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability$67.31 - $140.56
- Bosch®Premium Narrow-band Oxygen SensorMercury Grand Marquis 5.0L 1991, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with...OE Identical ConnectorCompact Design$29.13 - $35.12
- Odyssey®Extreme Series™ BatteryMercury Grand Marquis 5.0L 1991, Extreme Series™ Battery (ODX-AGM65) by Odyssey®. Amp Hour Capacity: 74. Battery Type: AGM. Cold Cranking Amperage: 950. Polarity: Straight. Reserve Capacity: 145. Terminal Location: Top Post. Voltage:...70% longer cycle life than conventional deep cycle batteries - high stable voltage for longer periods of timeCan be stored on open circuit (nothing connected to the terminals) without recharging for up to 2 years or 12.00V, whichever occurs first$391.99
- Motorcraft®Coolant Temperature SwitchMercury Grand Marquis 1991, Coolant Temperature Switch by Motorcraft®. Terminal Quantity: 1. Overall Length: 1 1/2". Green Insulator. 1.5" Long. Illumaware. Looking to maintain the top condition of your electrical system? Motorcraft are...Direct OEM replacementMeets strict Ford Motor Company standards$22.74
- TRQ®Upstream O2 Oxygen SensorMercury Grand Marquis 5.0L 1991, Upstream O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$35.95Save: $1.80 (5%)$34.15
- ACDelco®Gold™ AlternatorMercury Grand Marquis 5.0L 1991, Gold™ Alternator by ACDelco®. With 6 Groove Serpentine Pulley. External Fan. Plug Position: 10:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Designed utilizing the latest technology,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$104.38 - $119.24Save: up to 15%$88.72 - $102.15
- Denso®Oxygen SensorMercury Grand Marquis 5.0L 1991, Oxygen Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$31.52
- TRQ®StarterMercury Grand Marquis 5.0L 1991, Starter by TRQ®. Type: Permanent Magnet Gear Reduction. Rated Power: 1.4 kW. Rotation: Clockwise. With 10-Tooth Pinion Gear. Voltage: 12V. For optimum cranking amps and reliable power needed to start...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$87.95Save: $2.64 (3%)$85.31
- Cardone New®Front Window MotorMercury Grand Marquis 1991, Front Window Motor by Cardone New®. Connector Quantity: 2. Number of Mouting Holes: 3. Terminal Quantity: 2. Without Regulator. Mounting Type: Self-Tapping. With Instruction Sheet. With Gear. Each unit is...Designed with the latest software and manufactured with modern toolingManufactured from the highest quality materials$33.10 - $33.30
- Walker Products®Oxygen SensorMercury Grand Marquis 5.0L 1991, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$28.05
- iD Select®Remanufactured AlternatorMercury Grand Marquis 5.0L with Ford Alternator 1991, Remanufactured Alternator by iD Select®. With 6 Groove Serpentine Pulley. External Fan. Rotation: Clockwise. Voltage: 12V. Swap out your worn-out or malfunctioning part with this...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$67.13 - $68.44
- Motorcraft®Starter SolenoidMercury Grand Marquis 1991, Starter Solenoid by Motorcraft®. Motorcraft starter solenoids are designed for maximum performance and durability. Made to OE specifications, this sturdy and reliable product fits and functions as perfectly...Direct OEM replacementMeets strict Ford Motor Company standards$29.85
- Bosch®Remanufactured AlternatorMercury Grand Marquis with 60 Amp Alternator 1991, Remanufactured Alternator by Bosch®. Current: 60 Amp. Without Pulley. External Fan. Plug Position: 10:00 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. If all you hear when...100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under all temperature extremes$119.29
- WAI Global®Power Window MotorMercury Grand Marquis 1991, Power Window Motor by WAI Global®. If your vehicle's window regulator wore out, WAI has you covered with the right part for your replacement needs. Precisely designed, this premium product provides the same...100% tested to O.E.M. specifications (form, fit and function)Exactly fits in the place of your original part$39.25 - $46.14
- Dorman®OE Solutions™ Front Door Lock Actuator MotorMercury Grand Marquis 1991, OE Solutions™ Front Door Lock Actuator Motor by Dorman®. Connector Type: Female Connector. Terminals Type: Blade Terminal. Material: Plastic. Restore the ease and convenience of remotely locking or...Direct replacement for a proper fit every timeHigh quality electric motor$36.23
- ACDelco®Professional™ Remanufactured AlternatorMercury Grand Marquis 5.0L 1991, Professional™ Remanufactured Alternator by ACDelco®. Current: 100 Amp. With 6 Groove Serpentine Pulley. Pulley Size: 58 mm. External Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: External....Remanufactured – Units are remanufactured to stringent specifications, not rebuiltTop-selling part numbers include 100% new solenoid$101.35Save: $14.53 (14%)$86.82
- Cardone Reman®Mass Air Flow SensorMercury Grand Marquis 1991, Mass Air Flow Sensor by Cardone Reman®. Cardone Reman Engineered (CSE) Technology ensures that all MAF sensors meet or exceed O.E. form, fit and function. The sensors precisely track O.E. output curves and...On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life$63.07
- Bosch®StarterMercury Grand Marquis 5.0L 1991, Starter by Bosch®. Type: Permanent Magnet Gear Reduction. Rated Power: 1.4 kW. Rotation: Clockwise. With 10-Tooth Pinion Gear. Voltage: 12V. Whether new or remanufactured, Bosch starters are 100% factory...Designed to withstand the harshest environments100% full-load tested – meets or exceeds OE manufacturers' torque, amperage draw and RPM standards$121.53 - $151.46
- Denso®StarterMercury Grand Marquis 1991, Starter by Denso®. The original Denso gear-reduction starter is an industry benchmark, so rugged and powerful that it is often adapted for racing use. Denso remanufactured starters are subjected to a rigorous...High-voltage tested armature and field coils to ensure reliable performancePremium copper terminals to ensure a clean source of electrical current$146.35 - $223.46
- ACI®Window MotorMercury Grand Marquis 1991, Window Motor by ACI®. With Circuit Breaker. Meets or Exceeds OEM Specs. ACI power window motors are manufactured to meet or exceed OE performance. The quality, durability, and reliability of all products are...Engineered to match original equipment regulators mountingDesigned for advanced torque and speed$40.20 - $42.14
- Standard®Air Charge Temperature SensorMercury Grand Marquis 5.0L 1991, Air Charge Temperature Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Premium parts you can rely onDesigned to keep your air intake system in top shape$14.47 - $25.57
- Spectra Premium®Mass Air Flow SensorMercury Grand Marquis 5.0L 1991, Mass Air Flow Sensor by Spectra Premium®. With Housing. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that...Provide more consistent voltage to eliminate engine rough idle problemsPlatinum connector threads reduce the number of connection points for faster reaction to change$99.54
- Four Seasons®Radiator Fan ControllerMercury Grand Marquis 1991, Radiator Fan Controller by Four Seasons®. Connector Shape: Rectangle. Connector Gender: Male. Voltage: 12 V. Radiator Mounted. Activated by radiator temp and/or A/C Clutch. Adjustable (140° - 220 °F) with...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$39.63
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1991 Mercury Grand Marquis Electrical Reviews
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Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
1991 Mercury Grand Marquis Models
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