1984 Mercury Grand Marquis Engine Parts

Essential 1984 Mercury Grand Marquis Engine Parts

Felpro – Oil Pan Gasket Set: PermaDryPlus Rigid Carrier, Includes Snap-Ups®, 5 Piece Set (Part No.OS 30214 T)

Oil Pan Gasket Set: PermaDryPlus Rigid Carrier, Includes Snap-Ups®, 5 Piece Set

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$50.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Melling – Stock Replacement OE Type Oil Pump (Part No.M-68)

Stock Replacement OE Type Oil Pump

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$46.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
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Sealed Power – Gasket Kit (Part No.260-1720)

Gasket Kit

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$161.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • Includes Fel-Pro gaskets (# 1 brand of gaskets)
  • Provides exact gaskets application requires
  • Intended for bracket racing and oval track.
  • Ensures dependable performance and superior service life
  • Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
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Cardone – Engine Control Module (Part No.78-4203)

Engine Control Module

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$201.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and 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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Flex A Lite – Oil Cooler Sandwich Adapter Kit (Part No.3961)

Oil Cooler Sandwich Adapter Kit

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$42.99
Oil Cooler Sandwich Adapter Kit

Sealed Power – Engine Push Rod (Part No.RP-3241)

Engine Push Rod

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$2.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Felpro – Engine Cylinder Head Bolt Set (Part No.ES 71328)

Engine Cylinder Head Bolt Set

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$56.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Crankshaft Rebuilders – Remanufactured Crankshaft Kit (Part No.16500)

Remanufactured Crankshaft Kit

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$264.99
Remanufactured precision machined OE crankshafts.

Product Features:
  • Includes matching rod and main bearings.
  • Journals Micropolished.
  • All units subject to complete quality inspection.
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7814)

Performer-Link Adjustable True-Roller Timing Chain Set

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$43.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
  • 50 State Street Legal
  • For Engine w/ 2-piece Fuel Pump Eccentric or EFI
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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

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$0.43
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S468)

Engine Timing Camshaft Sprocket

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$21.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Victor Reinz – Fuel Pump Mounting Gasket (Part No.71-13599-00)

Fuel Pump Mounting Gasket

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$2.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Sealed Power – Engine Connecting Rod Bearing (Part No.1985A .50MM)

Engine Connecting Rod Bearing

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$8.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
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Cloyes Performance – High Performance Timing Chain (Part No.9-146)

High Performance Timing Chain

from

$18.99
Street Performance 3/8″ Pitch Double Roller Replacement True Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life. USA Made.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
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Sealed Power – Engine Piston (Part No.WH418CP)

Engine Piston

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$44.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD« skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
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Spectre – Valve Cover (Part No.5018)

Valve Cover

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$249.99
Available in various sizes, heights, and finishes, Spectre offers a wide variety of high performance valve covers designed to easily replace your stock covers. Designed for Ford Small Block 260-289-302-351W, this valve cover features polished aluminum construction and a smooth design. Sold in pairs, this tall profile cover includes baffles to provide optimum function. With show quality construction and a sealing edge designed for an ideal fit, our valve covers are engineered to look great for applications ranging from custom builds to replacing stock equipment.

Product Features:
  • Designed for Ford Small Block 260-289-302-351W engines
  • Baffled for breather system compatibility
  • Sold in pairs
  • Polished aluminum construction
  • Tall profile
  • Features OEM style sealing edge
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Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3400CP 20)

Engine Connecting Rod Bearing Set

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$36.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
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Felpro – Engine Gasket Set (Part No.FS 8548 PT-15)

Engine Gasket Set

from

$122.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Full Sets contain all the gaskets and seals necessary for a complete engine overhaul
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
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Sealed Power – Engine Rocker Arm (Part No.R-1096)

Engine Rocker Arm

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$20.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Dorman – Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In. (sold by each) (Part No.090-019)

Pipe Plug C.S. Square 3/8-18 Npt, Head Size 5/16 In. (sold by each)

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$2.99
This engine cylinder head plug 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 engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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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Sealed Power – Engine Valve Lifter (Part No.HT-2205)

Engine Valve Lifter

from

$15.79
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Dorman – Harmonic Balancer Assembly (Part No.594-080)

Harmonic Balancer Assembly

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$88.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Mr. Gasket – Cam Change Gaskets (Part No.4410)

Cam Change Gaskets

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$63.09
If you want to update just your camshaft and aren’t doing a complete engine overhaul, this kit contains all the gaskets needed to change out your camshaft. That way you don’t have to buy a complete gasket kit just to change the cam, but still can replace all the gaskets you should in the process.

Product Features:
  • Contains all the gaskets needed to change out your camshaft
  • Fuel Injector O-Ring Not Included
  • Meets Performance Standards
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Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each) (Part No.570-009)

Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)

from

$8.49
This engine expansion plug 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 engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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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Dorman – STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (sold by each) (Part No.675-131)

STD Cylinder Head Bolt, 7/16-14 X 3.938 X 1-1/16 In., Hex 5/8 In. (sold by each)

from

$3.99
Cylinder head bolt stripped or broken? This engine cylinder head bolt directly replaces the original bolt on specific vehicle years, makes and models.

Product Features:
  • Direct replacement – designed to match the fit and function of the original cylinder head bolt on certain vehicles
  • Corrosion resistant – withstands elements for reliable service life
  • Application specific – made to hold cylinder head in place on specific vehicles
  • Trustworthy quality – backed by team of engineers and inspectors in United States
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Sealed Power – Engine Piston Ring Set (Part No.E-251KC 40)

Engine Piston Ring Set

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$66.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Chrome plated ring face
  • Increases wear resistance in dirty air conditions
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Sealed Power – Engine Piston Set (Part No.8KH273CP 30)

Engine Piston Set

from

$272.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD« skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
See More

Carquest Premium – Crankshaft Sensor (Part No.CSC1048)

Crankshaft Sensor

from

$38.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including the

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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1984 Mercury Grand Marquis Engine Parts

You count on your 1984 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 Engine Parts. With 192 Engine Parts ranging in price from $0.43 to $1,751.99, you’re sure to find everything you need for your 1984 Mercury Grand Marquis.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 21 different brands like Felpro, Sealed Power, and Dorman. 1984 Mercury Grand Marquis Engine Parts start as low as $0.43!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 700 extensive product reviews on 1984 Mercury Grand Marquis Engine Parts. Some of the top-rated Engine Parts products we carry are Oil Seal with 4.9 stars and Street Performance Harmonic Balancer; 161.5mm Diameter with 4.7 stars.

Did we mention you can order your Engine Parts 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 Engine Parts inventory for your 1984 Mercury Grand Marquis below to get started!

Top-Rated Engine Parts Brands For Your 1984 Mercury Grand Marquis

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1984 Mercury Grand Marquis running right for years to come. In our inventory you’ll find brands like Felpro, Sealed Power, Dorman, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Timing Parts. All are waiting to get your 1984 Mercury Grand Marquis back on the road. Some of the top-rated Carquest Premium products in these categories are:
Timing Set, 3-Piece
from $29.99
(7)
Timing Set, 3-Piece
Timing Sets

Top-Rated Felpro Engine Parts


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Engine Parts for your 1984 Mercury Grand Marquis, and some of our most reviewed Felpro parts include:
TIMING COVER GASKET SET
from $23.99
(34)
TIMING COVER GASKET SET
Timing Cover Gasket Sets
Engine Valve Cover Gasket Set
from $46.99
(32)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
VALVE COVER GASKET SET
from $25.99
(20)
VALVE COVER GASKET SET
Valve Cover Gaskets

FAQs for 1984 Mercury Grand Marquis Engine Parts

What are the most purchased Engine Parts for the 1984 Mercury Grand Marquis?

Out of 192 Engine Parts for the 1984 Mercury Grand Marquis, the most popular in our inventory are:
Engine Valve Lifter
from $9.79
(11)
Engine Valve Lifter
Engine Valve Lifters
Engine Crankshaft Seal Kit
from $34.99
(15)
Engine Crankshaft Seal Kit
Crankshaft Seals
Engine Crankshaft Seal Kit
from $29.99
(18)
Engine Crankshaft Seal Kit
Crankshaft Seals

What are the top-rated 1984 Mercury Grand Marquis Engine Parts?

Top-rated Engine Parts for your 1984 Mercury Grand Marquis based on customer reviews/ratings are:
Oil Seal
from $10.79
(62)
Oil Seal
“worked great”
Street Performance Harmonic Balancer; 161.5mm Diameter
from $132.99
(38)
Street Performance Harmonic Balancer; 161.5mm Diameter
“Top of the line”
Harmonic Balancer Assembly
from $106.99
(11)
Harmonic Balancer Assembly
“Good oem type replacements”