1991 Mercury Grand Marquis Power Steering Parts

Keep Your 1991 Mercury Grand Marquis in Top Shape with Quality Power Steering Parts

Whether you’re repairing or upgrading your Power Steering Part, using high-quality parts is key to keeping your 1991 Mercury Grand Marquis looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Power Steering Pressure Hoses, Power Steering Coolers, and Power Steering Pump Pulleys. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Power Steering Parts from Trusted Brands

Looking for a reliable Power Steering Part? We’ve got you covered with options from brands you know and trust like Dorman, Carquest Premium, and National. For example, Dorman Power Steering Parts start at just $4.49 with an average 4.2 star rating. Carquest Premium and National offer similar pricing and quality, backed by strong customer feedback. With over 317 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Grand Marquis owners approve.

Explore Related Parts

While you’re upgrading or replacing your Power Steering Part, don’t forget to check out other key components like Gear Boxes and Idler Arms. At Advance Auto Parts, we’re here to help you keep your 1991 Mercury Grand Marquis in peak condition, inside and out.

Essential 1991 Mercury Grand Marquis Power Steering Parts

Carquest Premium – Power Steering Pressure Hose Assembly, 3/8" Male Inv. Flare x 7/16" Male "O" Ring (Part No.35680)

Power Steering Pressure Hose Assembly, 3/8" Male Inv. Flare x 7/16" Male "O" Ring

from

$94.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
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Carquest Premium – Power Steering Pressure Hose Assembly, 7/16" Female Inv. Flare x 7/16" Male "O" Ring (Part No.36782)

Power Steering Pressure Hose Assembly, 7/16" Female Inv. Flare x 7/16" Male "O" Ring

from

$181.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Imperial – Power Steering Oil Cooler (Part No.241009)

Power Steering Oil Cooler

from

$28.49
Product Features:
  • Power steering oil cooler
  • 3/4″ x 2-1/2″ x 9″
  • For vehicles with 3/8″ I.D. power steering return hose
  • Removes destructive heat and prolongs power steering system life
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Imperial – Transmission Oil Cooler Hose (Part No.248001)

Transmission Oil Cooler Hose

from

$32.49
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Transmission oil cooler hose
  • 11/32″ x 4-1/2′
  • Designed for transmission fluid applications
  • Made for tight-radius applications found in transmission cooler installations
  • Compatible with 11/32 in. OEM cooler systems
  • Tube made of black chemigum (nitrile)
  • Reinforced with 2-spiral synthetic
  • Covered in black Hypalon
  • Compatible with 11/32 in. OEM cooler systems
  • Tube made of black chemigum (nitrile)
  • Reinforced with 2-spiral synthetic
  • Covered in black Hypalon
See More

Powercraft – Pump Complete Rebuild Kit (Part No.8527)

Pump Complete Rebuild Kit

from

$45.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Powercraft – Pump Drive Shaft Seal Kit (Part No.8711)

Pump Drive Shaft Seal Kit

from

$10.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Carquest Premium – 3/8" ID Return Hose (sold by each) (Part No.34995)

3/8" ID Return Hose (sold by each)

from

$2.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Carquest Premium – 3/8" I.D. Return Hose (J189) (sold by foot) (Part No.35001)

3/8" I.D. Return Hose (J189) (sold by foot)

from

$7.79
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
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FAG US – TAPERED ROLLER BEARI (Part No.KT63)

TAPERED ROLLER BEARI

from

$29.99
TAPERED ROLLER BEARI

National – Bearings (Part No.M802011)

Bearings

from

$14.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – Power Steering Reservoir (Part No.M2030195274DOR)

Power Steering Reservoir

from

$26.62
Although no plastic fluid reservoir is completely immune to the conditions that cause cracking, some are less susceptible than others. Dorman uses tough blow-molded plastic for Dorman’s Power Steering Reservoir, steeling it against coolant corrosion, fluid freezing, or exposure to extreme under hood heat.

Product Features:
  • Includes reservoir cap and level sensor (where applicable)
  • Direct replacement for a proper fit every time
  • Weather-resistant
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
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Dorman – Power Steering Reservoir: Black, Plastic, Original Equipment Replacement (Part No.603-900)

Power Steering Reservoir: Black, Plastic, Original Equipment Replacement

from

$33.99
This replacement power steering fluid reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is thoroughly tested to ensure optimum fit on specific vehicle applications.

Product Features:
  • Direct replacement – this power steering fluid reservoir fits and functions like original equipment for a trouble-free installation.
  • Complete assembly – includes reservoir and reservoir cap.
  • Reliable performance – built to withstand excessive heat and vibration
  • Quality tested – this part has undergone on-vehicle testing to ensure a quality fit and long service life
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Powercraft – Pump Seal Kit (Part No.8526)

Pump Seal Kit

from

$13.79
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Powercraft – Pump Seal Kit (Part No.7918)

Pump Seal Kit

from

$36.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
See More

Dorman – Help – Power Steering Reservoir Caps (Part No.82726)

Power Steering Reservoir Caps

from

$20.29
This power steering reservoir cap is a direct replacement for a cracked, worn or missing original equipment cap to prevent fluid leaks and steering system contamination.

Product Features:
  • Ideal replacement – this power steering reservoir cap matches the fit, function and appearance of a damaged or missing original equipment cap.
  • Durable construction – made of quality materials for leak-free performance and a long service life
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable performance
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Dorman – Help – Power Steering Caps (Part No.82582)

Power Steering Caps

from

$7.99
This power steering reservoir cap is a direct replacement for a cracked, worn or missing original equipment cap to prevent fluid leaks and steering system contamination.

Product Features:
  • Ideal replacement – this power steering reservoir cap matches the fit, function and appearance of a damaged or missing original equipment cap.
  • Durable construction – made of quality materials for leak-free performance and a long service life
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable performance
See More

Dorman – Power Steering Pump Pulley (Part No.300-010)

Power Steering Pump Pulley

from

$33.99
This power steering pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this power steering pump pulley is designed to match the fit and function of the original pulley on specified applications.
  • Restores functionality – reliable replacement for an original pulley that has failed due to contamination by road debris, or damaged during service.
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Power Steering Pump Pulley (Part No.300-003)

Power Steering Pump Pulley

from

$50.99
This power steering pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this power steering pump pulley is designed to match the fit and function of the original pulley on specified applications.
  • Restores functionality – reliable replacement for an original pulley that has failed due to contamination by road debris, or damaged during service.
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Dorman Power Steering Pump Pulley (Part No.M2060208154DOR)

Dorman Power Steering Pump Pulley

from

$52.16
An integral part of the drive system for belt-driven steering pumps. Dorman’s Power Steering Pump Pulley helps restore power steering to proper functioning. The pulley is recommended for replacement whenever you service the power steering pump.

Product Features:
  • High quality plastic and/or steel construction
  • Easy installation
  • Direct replacement for a proper fit every time
  • Quality-tested to ensure trouble-free performance and durability
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Cardone – Power Steering Filter (Part No.20-0058F)

Power Steering Filter

from

$48.49
CARDONE Steering Filters are uniquely designed to protect the steering system from damaging contaminates, which impacts performance and leads to premature power steering pump failure. These compact filters are easy to install, provide magnetic filtration, can be serviced in-line and are highly recommended to extend the life of your steering system. Available in 3/8″, 1/2″, and 5/8″ sizes to cover a most vehicle applications.

Product Features:
  • In-line filter with serviceable filter element
  • Patented built-in bypass that filters up to 190 micron particles
  • Designed to extend the life of the steering system
  • Sure-grip barb connections are included to ensure proper hose fitment
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Edelmann – Elite Power Steering Filter; Fits 99% of Hydraulic Power Steering vehicles (Part No.70699)

Elite Power Steering Filter; Fits 99% of Hydraulic Power Steering vehicles

from

$31.49
Product Features:
  • Interchangeable end sizes allow the filter to fit virtually any hose size and vehicle
  • Small size provides an easy fit, even in cramped systems
  • Dual filtration technology eliminates metal and non-metal debris, ensuring a cleaner system
  • Filter can be easily serviced, extending its functional lifespan considerably
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Cardone – New Power Steering Filter (Part No.20-0038F)

New Power Steering Filter

from

$31.99
CARDONE Steering Filters are uniquely designed to protect the steering system from damaging contaminates, which impacts performance and leads to premature power steering pump failure. These compact filters are easy to install, provide magnetic filtration, can be serviced in-line and are highly recommended to extend the life of your steering system. Available in 3/8″, 1/2″, and 5/8″ sizes to cover a most vehicle applications.

Product Features:
  • In-line filter with serviceable filter element.
  • Patented built-in bypass that filters up to 190 micron particles.
  • Designed to extend the life of the steering system.
  • Sure-grip barb connections are included to ensure proper hose fitment.
See More

Cardone – Remanufactured Power Steering Pump (Part No.20-374P1)

Remanufactured Power Steering Pump

from

$112.99
CARDONE Remanufactured Power Steering Pumps are engineered to meet or exceed O.E. performance. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original. All critical components are tested to ensure proper function. Every unit undergoes a hydraulic efficiency test to ensure reliable, long-lasting performance.

Product Features:
  • All critical components (campacs, spool valves, etc.) are triple-tested to ensure product reliability.
  • All units are built with 100% new O-rings and premium-grade HNBR seals to prevent leaks. HNBR does not break down at high temperatures like conventional seal material.
  • Shafts are surfaced to precise specifications to eliminate premature seal wear and extend pump life.
  • Units are supplied with 100% tested and calibrated pressure relief valves.
  • FInal pump assembly is computer-tested to measure pressure, bypass, fluid flow, valve operation, steering effort and noise to ensure reliable performance.
  • 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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Cardone – Remanufactured Power Steering Pump with Reservoir (Part No.20-6240F)

Remanufactured Power Steering Pump with Reservoir

from

$67.99
CARDONE® Remanufactured Power Steering Pumps are engineered to meet or exceed O.E. performance. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original.

Product Features:
  • All critical components (campacs, spool valves, etc.) are triple-tested to ensure product reliability.
  • All units are built with 100% new O-rings and premium-grade HNBR seals to prevent leaks. HNBR does not break down at high temperatures like conventional seal material.
  • Shafts are surfaced to precise specifications to eliminate premature seal wear and extend pump life.
  • Units are supplied with 100% tested and calibrated pressure relief valves.
  • Final pump assembly is computer-tested to measure pressure, bypass, fluid flow, valve operation, steering effort and noise to ensure reliable performance.
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Cardone – Remanufactured Power Steering Pump (Part No.20-298P1)

Remanufactured Power Steering Pump

from

$106.99
CARDONE Remanufactured Power Steering Pumps are engineered to meet or exceed O.E. performance. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original. All critical components are tested to ensure proper function. Every unit undergoes a hydraulic efficiency test to ensure reliable, long-lasting performance.

Product Features:
  • All critical components (campacs, spool valves, etc.) are triple-tested to ensure product reliability.
  • All units are built with 100% new O-rings and premium-grade HNBR seals to prevent leaks. HNBR does not break down at high temperatures like conventional seal material.
  • Shafts are surfaced to precise specifications to eliminate premature seal wear and extend pump life.
  • Units are supplied with 100% tested and calibrated pressure relief valves.
  • FInal pump assembly is computer-tested to measure pressure, bypass, fluid flow, valve operation, steering effort and noise to ensure reliable performance.
  • 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

Dorman – Help – Power Steering Caps – Power Steering Sealing Washer Assortment (Part No.82540)

Power Steering Caps - Power Steering Sealing Washer Assortment

from

$4.49
This power steering pump washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this power steering pump washer matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Most Popular Power Steering Pressure Hose for 1991 Mercury Grand Marquis

Enhance your 1991 Mercury Grand Marquis with this popular Power Steering Pressure Hose we have in stock, for $31.49.

Carquest Premium – Power Steering Pressure Hose Assembly, 5/16" Male Inv. Flare x 16mm Swivel "O" Ring (Part No.35993)

Power Steering Pressure Hose Assembly, 5/16" Male Inv. Flare x 16mm Swivel "O" Ring

from

$31.49
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Best-Selling 1991 Mercury Grand Marquis Power Steering Coolers

Upgrade your Grand Marquis with one of our 2 best-selling Power Steering Coolers, earning an average 3.75 stars rating across 177 reviews.

Imperial – Transmission Oil Cooler Hose (Part No.248001)

Transmission Oil Cooler Hose

from

$32.49
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Transmission oil cooler hose
  • 11/32″ x 4-1/2′
  • Designed for transmission fluid applications
  • Made for tight-radius applications found in transmission cooler installations
  • Compatible with 11/32 in. OEM cooler systems
  • Tube made of black chemigum (nitrile)
  • Reinforced with 2-spiral synthetic
  • Covered in black Hypalon
  • Compatible with 11/32 in. OEM cooler systems
  • Tube made of black chemigum (nitrile)
  • Reinforced with 2-spiral synthetic
  • Covered in black Hypalon
See More

Imperial – Power Steering Oil Cooler (Part No.241009)

Power Steering Oil Cooler

from

$28.49
Product Features:
  • Power steering oil cooler
  • 3/4″ x 2-1/2″ x 9″
  • For vehicles with 3/8″ I.D. power steering return hose
  • Removes destructive heat and prolongs power steering system life
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Top-Quality Power Steering Pump Pulleys for 1991 Mercury Grand Marquis

Choose a high-quality OEM or aftermarket Power Steering Pump Pulley for Mercury Grand Marquis and enjoy top-notch performance from $50.99.

Dorman – Power Steering Pump Pulley (Part No.300-003)

Power Steering Pump Pulley

from

$50.99
This power steering pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this power steering pump pulley is designed to match the fit and function of the original pulley on specified applications.
  • Restores functionality – reliable replacement for an original pulley that has failed due to contamination by road debris, or damaged during service.
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Top Picks for 1991 Mercury Grand Marquis Power Steering Pumps

Invest in one of our 3 durable Power Steering Pumps for your 1991 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Cardone – Remanufactured Power Steering Pump (Part No.20-7254)

Remanufactured Power Steering Pump

from

$92.99
CARDONE Remanufactured Power Steering Pumps are engineered to meet or exceed O.E. performance. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original. All critical components are tested to ensure proper function. Every unit undergoes a hydraulic efficiency test to ensure reliable, long-lasting performance.

Product Features:
  • All critical components (campacs, spool valves, etc.) are triple-tested to ensure product reliability.
  • All units are built with 100% new O-rings and premium-grade HNBR seals to prevent leaks. HNBR does not break down at high temperatures like conventional seal material.
  • Shafts are surfaced to precise specifications to eliminate premature seal wear and extend pump life.
  • Units are supplied with 100% tested and calibrated pressure relief valves.
  • FInal pump assembly is computer-tested to measure pressure, bypass, fluid flow, valve operation, steering effort and noise to ensure reliable performance.
  • 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

Cardone – Remanufactured Power Steering Pump (Part No.20-7240)

Remanufactured Power Steering Pump

from

$80.99
CARDONE Remanufactured Power Steering Pumps are engineered to meet or exceed O.E. performance. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original. All critical components are tested to ensure proper function. Every unit undergoes a hydraulic efficiency test to ensure reliable, long-lasting performance.

Product Features:
  • All critical components (campacs, spool valves, etc.) are triple-tested to ensure product reliability.
  • All units are built with 100% new O-rings and premium-grade HNBR seals to prevent leaks. HNBR does not break down at high temperatures like conventional seal material.
  • Shafts are surfaced to precise specifications to eliminate premature seal wear and extend pump life.
  • Units are supplied with 100% tested and calibrated pressure relief valves.
  • FInal pump assembly is computer-tested to measure pressure, bypass, fluid flow, valve operation, steering effort and noise to ensure reliable performance.
  • 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

Atlantic Automotive Eng – NEW P/S PUMP (Part No.6199N)

NEW P/S PUMP

from

$179.99
NEW P/S PUMP

Top-Rated Power Steering Return Hoses for 1991 Mercury Grand Marquis

Make a smart move for your 1991 Mercury Grand Marquis with products all priced from $2.99 to $87.99.

Carquest Premium – 3/8" I.D. Return Hose J189 (Part No.36196)

3/8" I.D. Return Hose J189

from

$39.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Carquest Premium – 3/8" I.D. Return Hose J189 (Part No.35002)

3/8" I.D. Return Hose J189

from

$46.49
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Carquest Premium – 3/8" I.D. Return Hose (J189) (sold by foot) (Part No.35001)

3/8" I.D. Return Hose (J189) (sold by foot)

from

$7.79
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Carquest Premium – 3/8" ID Return Hose (sold by each) (Part No.34995)

3/8" ID Return Hose (sold by each)

from

$2.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Carquest Premium – 3/8" I.D. Return Hose J189 (Part No.36197)

3/8" I.D. Return Hose J189

from

$52.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Carquest Premium – Power Steering Return Hose Assembly, 3/8" Male Inv. Flare x 3/8" I.D. Hose (Part No.36353)

Power Steering Return Hose Assembly, 3/8" Male Inv. Flare x 3/8" I.D. Hose

from

$87.99
Our power steering pressure and return hoses are accurately designed and constructed to match or exceed the original equipment (OE) specifications, guaranteeing a precise and long-lasting installation. With a focus on duplicating the exact routing of the OE hoses, every bend is carefully executed to follow the original hose’s trajectory to ensure a seamless fit into the allotted space. Manufactured with quality materials and incorporating essential safety features, our hoses provide excellent protection against premature failure. Each hose is engineered to withstand the intense pressure pulsations and heat typically encountered in steering systems, offering exceptional resistance to breakdown and system contamination.
See More

Top-Rated Power Steering Part Brands For Your 1991 Mercury Grand Marquis

When it comes to finding the perfect Power Steering Part for your 1991 Mercury Grand Marquis, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Power Steering Part brands including Carquest Premium, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $4.49. Purchasing a Power Steering Part from us here at Advance Auto Parts is a smart move for both you and your 1991 Mercury Grand Marquis, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 1991 Mercury Grand Marquis Power Steering Parts

If you’re looking for a top-quality Power Steering Part for your 1991 Mercury Grand Marquis, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Power Steering Parts. We have 2 Carquest Premium Power Steering Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $39.99 and an average cost of $43.24, you’ll find the perfect Power Steering Part for your needs and budget. Carquest Premium Power Steering Parts for the 1991 Mercury Grand Marquis come highly rated, with over 18 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Power Steering Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
3/8" I.D. Return Hose J189
from $46.49
(17)
3/8" I.D. Return Hose J189
“There is plenty of hose to get the job done”
3/8" I.D. Return Hose J189
from $39.99
(1)
3/8" I.D. Return Hose J189
“Hose works great”

Top-Quality National 1991 Mercury Grand Marquis Power Steering Parts

For those in search of a high-quality Power Steering Part for their 1991 Mercury Grand Marquis, Advance Auto Parts offers a great selection of National Power Steering Parts. With 1 National Power Steering Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Power Steering Parts start at just $14.79, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.3 stars, National Power Steering Parts provide both reliability and excellent performance. Choosing a National Power Steering Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Bearings
from $14.79
(3)
Bearings
“good product,”

FAQs for 1991 Mercury Grand Marquis Power Steering Parts

What are the best-selling Power Steering Parts for 1991 Mercury Grand Marquis?

Out of 32 Power Steering Parts that fit 1991 Mercury Grand Marquis, the following parts are the top sellers:

What’s the price range for 1991 Mercury Grand Marquis Power Steering Parts?

The prices of Power Steering Parts for the 1991 Mercury Grand Marquis range from $2.99 up to $179.99 for the most premium parts.

What is the average price of a Power Steering Parts Power Steering Part for a 1991 Mercury Grand Marquis?

The average price for Power Steering Parts for the 1991 Mercury Grand Marquis is $38.56. Keep in mind the variety of part types within our Power Steering Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Power Steering Parts for other Mercury Grand Marquis model years?

Yes, we carry Power Steering Parts for 35 model years of Mercury Grand Marquis between 1975 and 2011. The following model years are the most popular for Power Steering Part purchases: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, and 2003.

What are the cheapest Power Steering Parts for my 1991 Mercury Grand Marquis?

The cheapest 1991 Mercury Grand Marquis Power Steering Parts we carry are:

Does Advance Auto Parts sell Power Steering Parts for any other 1991 Mercury models?

Yes. We stock Power Steering Parts for 5 other popular 1991 Mercury models. Some of the most popular are 1991 Cougar Power Steering Parts, 1991 Colony Park Power Steering Parts, 1991 Sable Power Steering Parts, 1991 Capri Power Steering Parts, and 1991 Tracer Power Steering Parts.

What are the top-rated Power Steering Parts that fit the 1991 Mercury Grand Marquis?

Based on 317 reviews by customers, our 1991 Mercury Grand Marquis Power Steering Parts have an average customer rating of 4 stars. These are the highest-rated categories of Power Steering Parts for the 1991 Mercury Grand Marquis and their top-rated products:

What types of Power Steering Parts do you sell for my 1991 Mercury Grand Marquis?

As of 4/10/25, these are some of the most in-demand types of Power Steering Parts for a 1991 Mercury Grand Marquis:

Can I get help with 1991 Mercury Grand Marquis Power Steering Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Power Steering Parts and more.

What is your return policy for Mercury Grand Marquis Power Steering Parts?

Advance Auto Parts keeps returns simple. For new Mercury Grand Marquis Power Steering Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.