1978 Mercury Grand Marquis Power Steering Parts

Essential 1978 Mercury Grand Marquis Power Steering Parts

Carquest Premium – Return Hose Assembly (Part No.35291)

Return Hose Assembly

from

$51.99
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Bulk – 3/8" I.D. Return Hose CPE (Part No.36219)

Bulk - 3/8" I.D. Return Hose CPE

from

$41.99
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Pressure Hose Assembly (Part No.36419)

Pressure Hose Assembly

from

$75.99
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Pressure Hose Assembly (Part No.35576)

Pressure Hose Assembly

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$79.99
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Powercraft – Pump Drive Shaft Seal Kit (Part No.8711)

Pump Drive Shaft Seal Kit

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$7.79
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Powercraft – Pump Drive Shaft Seal Kit (Part No.8709)

Pump Drive Shaft Seal Kit

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$10.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Powercraft – Pump Complete Rebuild Kit (Part No.7910)

Pump Complete Rebuild Kit

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$53.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Carquest Premium – Bulk – 3/8" ID Return Hose (CPE) (sold by each) (Part No.34995)

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

from

$2.49
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Bulk – 3/8" I.D. Return Hose J189 (Part No.35002)

Bulk - 3/8" I.D. Return Hose J189

from

$47.49
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Bulk – 3/8" I.D. Return Hose J189 (Part No.36197)

Bulk - 3/8" I.D. Return Hose J189

from

$44.49
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Repair Fittings (Part No.35010)

Repair Fittings

from

$20.49
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Carquest Premium – Repair Fittings (Part No.35015)

Repair Fittings

from

$8.49
OE routing ensures a proper fit. Engineered and constructed to withstand the high-pressure pulsations and heat found in steering systems.
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Powercraft – Pump Seal Kit (Part No.8634)

Pump Seal Kit

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$46.49
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

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$30.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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Powercraft – Pump Seal Kit (Part No.8501)

Pump Seal Kit

from

$32.49
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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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
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Cardone – Power Steering Filter (Part No.20-0012F)

Power Steering Filter

from

$41.99
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
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Cardone – Power Steering Filter (Part No.20-0038F)

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
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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

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$26.49
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 – Power Steering Filter (Part No.20-0058F)

Power Steering Filter

from

$42.99
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
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Cardone – Power Steering Pump (Part No.20-330P1)

Power Steering Pump

from

$96.99
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 (cam packs, 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 New – Power Steering Pump (Part No.96-374)

Power Steering Pump

from

$143.99
Building on decades of experience using reverse engineering to remanufacture power steering products, CARDONE engineers have meticulously designed and tested our CARDONE New Power Steering Pumps to fit and perform like the original. Each unit is supplied with premium high-temperature seals for reliability you can count on.

Product Features:
  • Rigorous computer load testing ensures optimal performance and durability by incorporating real-world parameters during the test cycle.
  • Manufactured with premium grade, high-temperature seals for added durability under all driving conditions.
  • Precise bushing alignment prevents premature shaft and seal wear, significantly reducing noise and vibration.
  • Meets or exceeds O.E. performance.
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Cardone – Power Steering Pump (Part No.20-260)

Power Steering Pump

from

$104.99
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 (cam packs, 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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Maval – Power Steering Pump, Remanufactured (Part No.M2010180610MAV)

Power Steering Pump, Remanufactured

from

$115.45
Since its founding in 1987 Maval Manufacturing has been a world leader in the remanufacturing of power rack and pinion systems and related components. Trusted by Original Equipment Service Organizations and Global Distributors alike, Maval has consistently delivered the finest Remanufactured Rack and Pinions, Gear Boxes, and Power Steering Pumps to customers around the globe. Applying OE-experience and standards results in a remanufactured power steering pump that offer like-new quality and dependability.

Product Features:
  • OEM-Quality and Direct Fit replacement
  • Components are inspected and cleaned of rust and corrosion.
  • Shaft and internal surfaces are inspected, reconditioned and polished.
  • Seals and O-rings are replaced with new, OE-equivalent parts.
  • Assembled units are 100% functionally tested for leaks and performance.
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Factory Air – Transmission Oil Cooler Replacement Hose (Part No.53015)

Transmission Oil Cooler Replacement Hose

from

$14.49
Covered in black Hypalon
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Imperial – Quick Connect Coupler (Part No.240250)

Quick Connect Coupler

from

$11.49
Imperial transmission line fitting kits allow for the installation of auxiliary cooler lines without cutting the vehicle’s original metal lines.

Product Features:
  • Quick Connect coupler
  • Fits most 5/16″ transmission lines with 1/2″ – 20″ threads
  • Simplifies transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
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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
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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
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1978 Mercury Grand Marquis Power Steering Parts

Maybe you’re in the middle of a full rebuild of that 1978 Mercury Grand Marquis. Maybe you just need a couple of Power Steering Parts. Either way, Advance Auto Parts has 33 different Power Steering Parts in our inventory ranging from $2.49 to $181.99. That means you can find the exact parts or products you need to keep that 1978 Mercury Grand Marquis running smoothly.

Power Steering Parts are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Mercury Grand Marquis. Imperial, Carquest Premium, and Powercraft are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Power Steering Parts for your 1978 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 753 reviews in this category, some of the top rated parts include Bulk – 3/8" I.D. Return Hose J189 with 4.6 stars and Pump Complete Rebuild Kit with 3.8 stars.

So if you’re in the market for aftermarket Power Steering Parts to keep your 1978 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Power Steering Parts Brands To Make Your 1978 Mercury Grand Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Power Steering Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Power Steering Parts brands and parts.

Popular Cardone Power Steering Parts

We carry Cardone parts in our stock across Power Steering Pumps and Power Steering Filters categories, plus more. For a 1978 Mercury Grand Marquis, our most popular Cardone Power Steering Parts include:
Power Steering Pump
from $82.99
(2)
Power Steering Pump
Power Steering Pumps
Power Steering Filter
from $42.99
(2)
Power Steering Filter
Power Steering Filters
Power Steering Filter
from $41.99
(1)
Power Steering Filter
Power Steering Filters

Top 1978 Mercury Grand Marquis Power Steering Parts from Imperial

Imperial products are another trusted brand when it comes to Power Steering Parts for your 1978 Mercury Grand Marquis. Popular Imperial parts include:
Transmission Oil Cooler Hose
from $32.49
(94)
Transmission Oil Cooler Hose
Power Steering Coolers
Power Steering Oil Cooler
from $28.49
(83)
Power Steering Oil Cooler
Power Steering Coolers
Quick Connect Coupler
from $11.49
(3)
Quick Connect Coupler
Power Steering Coolers

FAQs for 1978 Mercury Grand Marquis Power Steering Parts

What are the most purchased Power Steering Parts for the 1978 Mercury Grand Marquis?

Out of 33 Power Steering Parts for the 1978 Mercury Grand Marquis, the most popular in our inventory are:
Bulk - 3/8" I.D. Return Hose (J189) (sold by foot)
from $5.99
This product is not rated
Bulk – 3/8" I.D. Return Hose (J189) (sold by foot)
Power Steering Return Hoses
Bulk - 3/8" ID Return Hose (CPE) (sold by each)
from $2.49
This product is not rated
Bulk – 3/8" ID Return Hose (CPE) (sold by each)
Power Steering Reservoir Hoses
Power Steering Caps - Power Steering Sealing Washer Assortment
from $4.49
(15)
Power Steering Caps – Power Steering Sealing Washer Assortment
Power Steering Hose Washer

What are the top-rated 1978 Mercury Grand Marquis Power Steering Parts?

Top-rated Power Steering Parts for your 1978 Mercury Grand Marquis based on customer reviews/ratings are:
Bulk - 3/8" I.D. Return Hose J189
from $47.49
(17)
Bulk – 3/8" I.D. Return Hose J189
“There is plenty of hose to get the job done”
Pump Complete Rebuild Kit
from $53.99
(14)
Pump Complete Rebuild Kit
“No complaints had all seals and o rings needed for the rebuild”
Power Steering Pump
from $69.99
(7)
Power Steering Pump
“My power steering pump works exceptionally well and was easy to install.”