1978 Mercury Grand Marquis Wipers and Related Products

Essential 1978 Mercury Grand Marquis Wipers and Related Products

TRICO Exact Fit – Conventional 22” Wiper Blade: Factory Performance (Part No.22-1)

Conventional 22'' Wiper Blade: Factory Performance

from

$15.99
TRICO ExactFit Conventional wiper blades are easy to install and designed to match OE specifications and standards. These wiper blades live up to their name because they feature a pre-attached adaptor specific to your vehicle for an exact fit and easy installation.

Product Features:
  • Original factory quality for the same fit and function as when the vehicle was new
  • Pre-assembled connector for quick and easy, one-step wiper replacement every time
  • Durable metal frame for added strength
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Rain-X Latitude – Wiper Blade: 18", Water Repellency 2-in-1 Premium Beam, Pack of 1 (Part No.5079275-2)

Wiper Blade: 18", Water Repellency 2-in-1 Premium Beam, Pack of 1

from

$29.99
Rain-X Latitude Water Repellency 2-in-1 wiper blades provide an innovative solution to both clear and repel the elements for ultimate driving visibility. These wipers also treat your windshield with a water repelling coating so water magically beads up and rolls away while you drive.

Product Features:
  • This 2-IN-1 wiper blade + rain repellent clears and repels the elements for ultimate driving visibility
  • Rain-X Latitude Water Repellency wiper blades apply a patented Rain-X water repellent coating to your windshield
  • The patented universal adapter is easy to use and fits 96% of vehicles – install at home in minutes
  • All-Weather Performance – the synthetic blend rubber squeegee can withstand extreme weather conditions for enhanced durability
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Rain-X Truck & SUV – Wiper Blade: 22", Premium Beam, Rugged Weather-Tough, Pack of 1 (Part No.870122)

Wiper Blade: 22", Premium Beam, Rugged Weather-Tough, Pack of 1

from

$39.99
The Rain-X Truck & SUV premium wiper blade is designed for drivers who use their vehicles for work, play, and outdoor adventures. Established in 2022, this unique Rain-X wiper blade is bigger and sleeker, looks great on any vehicle, and is built to take on tough weather challenges. This heavy-duty wiper blade is constructed with an advanced synthetic rubber squeegee that performs in rugged weather conditions. Featuring a proprietary graphene coating, which provides friction reduction and added protection against abrasion for extended durability, resulting in a high-quality, smooth, quiet wipe. Equipped with an all-in-one universal adapter, Rain-X Truck & SUV wiper blades are quick and easy to install and fit the majority of vehicle arm types. Additional features include the blade size ID and the blade change indicator. The blade change indicator will turn from black to yellow, signaling when it’s time to buy a new pair of wiper blades. If you need help installing your new wiper blades, installation videos can be found by scanning the QR code on the back of your wiper blade’s packaging.

Product Features:
  • 2023 Product Of The Year Winner, Car Care Category Survey Of 40,000 People By Kantar
  • Rugged All-Weather Tough & Durable – Featuring A Proprietary Graphene Coating That Provides Friction Reduction And Added Protection Against Abrasion For Extended Durability
  • Unique Premium Beam Structure Built For Tough Weather Challenges – This Heavy Duty Blade Is Designed For Performance, Featuring A Bigger And Sleeker Profile That Looks Great On Any Vehicle
  • Quick And Easy Installation – All-In-One Universal Adapter Fits The Majority Of Vehicle Arm Types And Makes The Installation Process Quick, Easy, And Secure
  • Blade Size ID – Debossed Blade Size Identification On The Wiper Blade Spoiler Allows For Easy Identification And Re-Purchase, Eliminating The Need To Look Up Your Vehicle’s Blade Size In The Future
  • Blade Change Indicator – UV Indicator Located On The End Of The Blade That Changes From Black To Yellow Over Time, Signaling When It’s Time To Replace Them With A New Pair
  • Designed for drivers who use their vehicles for work, play, outdoor adventures and built for all vehicles
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Carquest XtraClear – Premium Beam 22” Wiper Blade: Tested To Perform Over 15 Million Cycles (Part No.XC22)

Premium Beam 22'' Wiper Blade: Tested To Perform Over 15 Million Cycles

from

$19.99
Product Features:
  • Tested to perform over 1.5 million cycles ensures long-lasting performance
  • Beam wiper blade design delivers great visibility in all weather conditions
  • SWIFT Easy Connection Technology offers quick and easy wiper replacement
  • Infinite pressure points provide uniform contact across windshield
  • Twin-point coupler delivers constant, even pressure across entire windshield for clear visibility
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Rain-X Latitude – Wiper Blade: 22", Water Repellency 2-in-1 Premium Beam, Pack of 1 (Part No.5079279-2)

Wiper Blade: 22", Water Repellency 2-in-1 Premium Beam, Pack of 1

from

$29.99
Rain-X Latitude Water Repellency 2-in-1 wiper blades provide an innovative solution to both clear and repel the elements for ultimate driving visibility. These wipers also treat your windshield with a water repelling coating so water magically beads up and rolls away while you drive.

Product Features:
  • This 2-IN-1 wiper blade + rain repellent clears and repels the elements for ultimate driving visibility
  • Rain-X Latitude Water Repellency wiper blades apply a patented Rain-X water repellent coating to your windshield
  • The patented universal adapter is easy to use and fits 96% of vehicles – install at home in minutes
  • All-Weather Performance – the synthetic blend rubber squeegee can withstand extreme weather conditions for enhanced durability
See More

Carquest Premium – Windshield Wiper Switch (Part No.SAC4767)

Windshield Wiper Switch

from

$24.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Windshield Wiper Switch (Part No.SAA4659)

Windshield Wiper Switch

from

$37.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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ACI – Windshield Washer Pump (Part No.173690)

Windshield Washer Pump

from

$19.99
Product Features:
  • Engineered to match original equipment washer pumps
  • Designed to fit original windshield washer pump
  • Includes adapter nozzle
  • 2 nozzles
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ACI – Windshield Washer Pump (Part No.173964)

Windshield Washer Pump

from

$18.29
Product Features:
  • Engineered to match original equipment washer pumps
  • Designed to fit original windshield washer pump
  • Includes star washer
  • OE style electrical connector
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ACI – Windshield Washer Pump (Part No.173686)

Windshield Washer Pump

from

$20.49
Product Features:
  • Engineered to match original equipment washer pumps
  • Designed to fit original windshield washer pump
  • Includes adapter nozzle
  • 2 nozzles
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ACI – Washer Pump (Part No.399001)

Washer Pump

from

$23.99
ACI windshield washer pumps are manufactured to meet or exceed original equipment performance. The quality, durability, and reliability of all products are backed by nearly 40 years of excellence in Windshield Washer components experience and know how.

Product Features:
  • Connector and Wire Harness
  • 18 inch black wire
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Carquest Premium – Windshield Wiper Motor (Part No.40-269)

Windshield Wiper Motor

from

$86.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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WAI – Wiper Motor – 100% NEW (Part No.WPM269)

Wiper Motor - 100% NEW

from

$64.99
WAI is world-renowned manufacturer with 40+ years of proven experience in designing vehicle electronics. WAI’s 100% new wiper motors eliminates the hassle of core return while ensuring top quality and performance.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • WAI designs and manufacturers wiper motor pulse boards allowing the wiper motor, where applicable, to perform complex tasks such as rain sensitive wipers, speed dependent wipers, and auto-headlight systems.
  • All wiper motors are load tested to ensure maximum performance and durability.
  • New magnets deliver the torque needed to withstand extreme weather conditions and compensate for worn components in the old wiper system.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
See More

Carquest Premium – Windshield Wiper Motor (Part No.40-2012)

Windshield Wiper Motor

from

$93.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Carquest Premium – Windshield Wiper Motor (Part No.40-2074)

Windshield Wiper Motor

from

$134.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

WAI – Wiper Motor – 100% NEW (Part No.WPM2074)

Wiper Motor - 100% NEW

from

$118.99
WAI is world-renowned manufacturer with 40+ years of proven experience in designing vehicle electronics. WAI’s 100% new wiper motors eliminates the hassle of core return while ensuring top quality and performance.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • WAI designs and manufacturers wiper motor pulse boards allowing the wiper motor, where applicable, to perform complex tasks such as rain sensitive wipers, speed dependent wipers, and auto-headlight systems.
  • All wiper motors are load tested to ensure maximum performance and durability.
  • New magnets deliver the torque needed to withstand extreme weather conditions and compensate for worn components in the old wiper system.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
See More

WAI – Wiper Motor – 100% NEW (Part No.WPM2048)

Wiper Motor - 100% NEW

from

$132.99
WAI is world-renowned manufacturer with 40+ years of proven experience in designing vehicle electronics. WAI’s 100% new wiper motors eliminates the hassle of core return while ensuring top quality and performance.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • WAI designs and manufacturers wiper motor pulse boards allowing the wiper motor, where applicable, to perform complex tasks such as rain sensitive wipers, speed dependent wipers, and auto-headlight systems.
  • All wiper motors are load tested to ensure maximum performance and durability.
  • New magnets deliver the torque needed to withstand extreme weather conditions and compensate for worn components in the old wiper system.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
See More

Carquest Premium – Windshield Wiper Motor (Part No.40-278)

Windshield Wiper Motor

from

$72.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Carquest Premium – Windshield Wiper Motor (Part No.40-293)

Windshield Wiper Motor

from

$91.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Carquest Premium – Windshield Wiper Motor (Part No.85-2048)

Windshield Wiper Motor

from

$144.99
Our brand-new wiper motors are designed to match O.E. fitment and performance at a fraction of the cost. Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life. Load testing guarantees reliable performance you can trust.

Product Features:
  • Load testing ensures reliable performance.
  • Brushes are precisely designed to ensure armature and contacts are properly matched.
  • Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life.
  • Gears are designed with a stronger, less brittle material than O.E. to prevent premature wear, striping and breakage.
  • Magnets deliver the right amount of torque needed to withstand extreme weather conditions and to compensate for other worn components in the wiper motor transmission linkage.
See More

Carquest Premium – Windshield Wiper Motor (Part No.85-2005)

Windshield Wiper Motor

from

$153.99
Our brand-new wiper motors are designed to match O.E. fitment and performance at a fraction of the cost. Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life. Load testing guarantees reliable performance you can trust.

Product Features:
  • Load testing ensures reliable performance.
  • Brushes are precisely designed to ensure armature and contacts are properly matched.
  • Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life.
  • Gears are designed with a stronger, less brittle material than O.E. to prevent premature wear, striping and breakage.
  • Magnets deliver the right amount of torque needed to withstand extreme weather conditions and to compensate for other worn components in the wiper motor transmission linkage.
See More

Carquest Premium – Windshield Wiper Motor (Part No.40-2005)

Windshield Wiper Motor

from

$90.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Carquest Premium – Windshield Wiper Motor (Part No.85-2074)

Windshield Wiper Motor

from

$139.99
Our brand-new wiper motors are designed to match O.E. fitment and performance at a fraction of the cost. Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life. Load testing guarantees reliable performance you can trust.

Product Features:
  • Load testing ensures reliable performance.
  • Brushes are precisely designed to ensure armature and contacts are properly matched.
  • Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life.
  • Gears are designed with a stronger, less brittle material than O.E. to prevent premature wear, striping and breakage.
  • Magnets deliver the right amount of torque needed to withstand extreme weather conditions and to compensate for other worn components in the wiper motor transmission linkage.
See More

Motorcraft – Window Wiper Motor (Part No.P7000366839MTR)

Window Wiper Motor

from

$156.18
Window Wiper Motor

Carquest Premium – Windshield Wiper Motor (Part No.40-2048)

Windshield Wiper Motor

from

$151.99
Using advanced re-engineering materials and processes, our remanufactured wiper motors meet all O.E. standards of performance and fitment. Every motor bearing is re-impregnated or replaced, as necessary, and all motor magnets are recharged. Lubrication is applied to the output gear to provide maximum load capacity and weak solder points are 100% reflowed. Each unit undergoes function testing against O.E. standards to ensure reliable performance.

Product Features:
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ¿ Then the final product is tested for each of its functions on the vehicle.
  • Each unit has its main components tested or gauged against the O.E. standard. [Armature, Field, Bearing, Parking switch, or pulse board] ┐ Then the final product is tested for each of its functions on the vehicle.
  • Every motor bearing is re-impregnated or replaced as needed.
  • Lubrication is applied to the output gear to provide maximum load capacity and long life.
  • Weak solder points are 100% reflowed to extend life expectancy.
  • Motor magnets are 100% recharged for performance and reliability.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

WAI – Wiper Motor – 100% NEW (Part No.WPM2005)

Wiper Motor - 100% NEW

from

$73.99
WAI is world-renowned manufacturer with 40+ years of proven experience in designing vehicle electronics. WAI’s 100% new wiper motors eliminates the hassle of core return while ensuring top quality and performance.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • WAI designs and manufacturers wiper motor pulse boards allowing the wiper motor, where applicable, to perform complex tasks such as rain sensitive wipers, speed dependent wipers, and auto-headlight systems.
  • All wiper motors are load tested to ensure maximum performance and durability.
  • New magnets deliver the torque needed to withstand extreme weather conditions and compensate for worn components in the old wiper system.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
See More

1978 Mercury Grand Marquis Wipers and Related Products

You count on your 1978 Mercury Grand Marquis to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Wipers and Related Products. With 12 Wipers and Related Products ranging in price from $4.99 to $72.99, you’re sure to find everything you need for your 1978 Mercury Grand Marquis.

Brands matter. If you want to shop a specific Wipers and Related Products brand, we stock 5 different brands like Trico, Carquest XtraClear, and ACI. 1978 Mercury Grand Marquis Wipers and Related Products start as low as $4.99!

One of the best ways to find top quality OEM or aftermarket Wipers and Related Products is by asking professionals. Short of that, you can shop with confidence thanks to our 23,568 extensive product reviews on 1978 Mercury Grand Marquis Wipers and Related Products. Some of the top-rated Wipers and Related Products products we carry are Windshield Wiper Motor with 3.0 stars.

Did we mention you can order your Wipers and Related Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Wipers and Related Products inventory for your 1978 Mercury Grand Marquis below to get started!

Top-Rated Wipers and Related Products Brands For Your 1978 Mercury Grand Marquis

Trusted Wipers and Related Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Mercury Grand Marquis running right for years to come. In our inventory you’ll find brands like Trico, Carquest XtraClear, ACI, and even more.

Popular ACI Wipers and Related Products

You’ll find popular ACI brand products across Washer Pumps and Reservoirs. All are waiting to get your 1978 Mercury Grand Marquis back on the road. Some of the top-rated ACI products in these categories are:
Windshield Washer Pump
from $18.29
(35)
Windshield Washer Pump
Washer Pumps

Top-Rated TRICO Onyx Wipers and Related Products


If TRICO Onyx are what you’re looking for, our inventory holds plenty. We stock TRICO Onyx brand Wipers and Related Products for your 1978 Mercury Grand Marquis, and some of our most reviewed TRICO Onyx parts include:
Conventional 18'' Wiper Blade: Factory Performance
from $15.99
(2574)
Conventional 18” Wiper Blade: Factory Performance
Wiper Blades

FAQs for 1978 Mercury Grand Marquis Wipers and Related Products

What are the most purchased Wipers and Related Products for the 1978 Mercury Grand Marquis?

Out of 12 Wipers and Related Products for the 1978 Mercury Grand Marquis, the most popular in our inventory are:
Conventional 18'' Wiper Blade: Curved Windshield Fit, Steel Frame
from $12.49
This product is not rated
Conventional 18” Wiper Blade: Curved Windshield Fit, Steel Frame
Wiper Blades

What are the top-rated 1978 Mercury Grand Marquis Wipers and Related Products?

Top-rated Wipers and Related Products for your 1978 Mercury Grand Marquis based on customer reviews/ratings are:
Windshield Wiper Motor
from $72.99
(2)
Windshield Wiper Motor
“Install was easy once getting the windscreen cowl off, which basically needs to by pried off of the windshield. Something plastic in between the winds”