1984 Mercury Grand Marquis Engine Parts

Essential 1984 Mercury Grand Marquis Engine Parts

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40644)

Engine Crankshaft Seal Kit

from

$34.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Spartan – Engine Cylinder Head; Ford 302 Cyl Head (Part No.2F46)

Engine Cylinder Head; Ford 302 Cyl Head

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$344.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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Melling – Stock Replacement Oil Pump Screen (Part No.68-S4)

Stock Replacement Oil Pump Screen

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$47.99
A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine ware, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S420T)

Engine Timing Camshaft Sprocket

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$15.99
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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Dorman – Steel Cup Expansion Plug 2-3/16 In. SC, Height 0.360 (sold by each) (Part No.555-051)

Steel Cup Expansion Plug 2-3/16 In. SC, Height 0.360 (sold by each)

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$2.79
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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Sealed Power – Engine Camshaft (Part No.CS-668)

Engine Camshaft

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$65.99
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:
  • Meets or exceeds OEM specs
  • Original equipment performance
  • Idle: Stock
  • Latest high quality materials
  • Precision machining
  • Made in USA
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Melling Select Performnce – High Performance Standard Volume Cast Aluminum Oil Pump (Part No.10176)

High Performance Standard Volume Cast Aluminum Oil Pump

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$550.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10176 high performance oil pump is a standard volume upgrade of the M176. The 10176 oil pump is designed speci

Product Features:
  • Standard volume high performance upgrade of the M176
  • Die cast aluminum housing
  • Cast iron cover
  • 130,000 TSI tensile strength billet steel rotors
  • Adjustable pressure relief valve
  • Uses 13/16 inch diameter bolt on screen
  • Includes oil pump screen mounting o-ring seal
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Sealed Power – Engine Connecting Rod Bearing (Part No.1985A .75MM)

Engine Connecting Rod Bearing

from

$7.49
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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Dorman – Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In. (Part No.02608)

Rubber Expansion Plug 3/4 In. - Size Range 3/4 In. - 7/8 In.

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$8.29
Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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Dorman – Brass Pipe Plug – Square Head – 1/4 In. MNPT (Part No.785-071D)

Brass Pipe Plug - Square Head - 1/4 In. MNPT

from

$5.49
This pipe plug matches the original equipment plug for diameter, thread pitch and head type to ensure a reliable repair. Made of corrosion-resistant material, it has been engineered for leak-free performance and a long service life.

Product Features:
  • Ideal replacement – this pipe plug matches the diameter, thread pitch and head type of the original equipment part
  • Durable construction – this plug is made of quality materials for dependable service
  • Leak-free performance – quality manufacturing process ensures a tight for reliable sealing
  • Quality tested – this plug has undergone validation testing to ensure proper fit and function for this vehicle’s application
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Spectre – W3 Engine Kit Ford (Part No.54383)

W3 Engine Kit Ford

from

$108.99
Spectre’s chrome engine kits are designed to give the top of your engine an amazing look in one neat package. This chrome engine kit includes chrome valve covers and chrome valve cover bolts.

Product Features:
  • Chrome valve covers
  • Chrome valve cover bolts
  • Dresses up the engine
  • Triple plated chrome
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Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45283)

Engine Timing Cover Gasket Set

from

$26.49
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
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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ARP Auto Racing – For Use With Chevy Small Block, 1.895" Stud L, Black Oxide, Chrome, Set Of 16 (Part No.134-7104)

For Use With Chevy Small Block, 1.895" Stud L, Black Oxide, Chrome, Set Of 16

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$59.99
If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in, you knew from the beginning that the rocker geometry was going to be inconsistent all over the place. ARP rocker studs are concentric within 0.005 T.I.R. thread pitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extra large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models. To be used with ARP patented Perma-Loc(TM) adjusters.

Product Features:
  • Made Of 8740 Chrome Moly Forgings
  • Heat Treated To 180,000 Psi
  • Excellent For Elapsed Time Bracket Racing, Limited Rule Oval Track Competition And Street Use
  • Lengths Are Exact Designed To Provide Positive Seating Every Time
  • Set of 16
  • 1″ Adjuster Thread Length
  • 3/8″-24 Shank Diameter and Thread
  • 3/8″ Typical Small Block Application with Roller Rockers
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Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSC1761)

Engine Crankshaft Position Sensor

from

$50.99
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 thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • 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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Dorman – Brass Expansion Plug Kit, 10 Expansion Plugs, 4 Pipe Plugs (Part No.02663)

Brass Expansion Plug Kit, 10 Expansion Plugs, 4 Pipe Plugs

from

$25.49
We offer a comprehensive line of Engine Expansion Plug Kits to cover a range of applications. The kits include all parts necessary for a complete repair.

Product Features:
  • Direct fit kits available (where applicable) for ease of replacement
  • Depending on the application, kits include multiple quantities of the following styles: cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper
  • Expansion Plugs also available individually
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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Felpro – Engine Gasket Set (Part No.FS 8548 PT-16)

Engine Gasket Set

from

$105.99
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:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE — Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Carquest Premium – Timing Set, 3-Piece (Part No.73054)

Timing Set, 3-Piece

from

$29.99
Advance Auto Parts is proud to carry this kit with the best fitment and performance requirements for this application, from the highest quality timing component vendor.

Product Features:
  • The Timing Set includes the Chain, Cam Sprocket, and Crank Sprocket
  • 3 Pieces
  • Meets or exceeds O.E.M. performance
  • Coated in rust preventative
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National – Shaft Repair Sleeve (Part No.99363)

Shaft Repair Sleeve

from

$63.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K-84)

Stock Replacement Type Oil Pump Repair Kit

from

$50.99
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:
  • Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
  • Components are manufactured from high quality materials for durable wear
  • Components are precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
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Edelbrock – Hydraulic Roller Lifter Kit for Big-Block Ford. (Part No.97453)

Hydraulic Roller Lifter Kit for Big-Block Ford.

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$959.99
Product Features:
  • Precision Self-Aligning Hydraulic Roller Lifter
  • Retro-Fit Lifter
  • Use w/Hyd Roller Lifter In Non-Roller Engine Block
  • Originally Equipped w/Conventional Lifters
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S843)

Engine Timing Crankshaft Sprocket

from

$32.99
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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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-84)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$26.99
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

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
  • Meets or exceeds original equipment specifications
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Cardone – Engine Control Module (Part No.78-5582)

Engine Control Module

from

$214.99
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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Sealed Power – Engine Intake Valve (Part No.V-3956)

Engine Intake Valve

from

$10.49
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:
  • Chrome plated stem
  • Hard coating added to surface for strength & aiding in lubrication
  • Note – coating added in varying thicknesses depending on application
  • Innovative design, using leading edge materials
  • Utilizes ISO & QS certified manufacturing
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Felpro – Engine Conversion Gasket Set (Part No.CS 8548-9)

Engine Conversion Gasket Set

from

$57.99
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Sealed Power – Engine Push Rod (Part No.RP-3160)

Engine Push Rod

from

$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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Cloyes Performance – High Performance Timing Chain (Part No.9-145)

High Performance Timing Chain

from

$17.99
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 Camshaft Bearing Set (Part No.1403M)

Engine Camshaft Bearing Set

from

$39.49
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:
  • Steel-backed Babbitt lining material
  • Used in automotive and high-performance
  • Babbitt is designed to perform under extreme loads w/o damaging other engine parts
  • Babbitt is more environmentally friendly than other material
  • ISO & QS certified manufacturing
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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 200 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 696 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 $22.99
(1)
Timing Set, 3-Piece
Timing Sets
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 200 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
Rear Main Seal Sets

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
“Works well saves gas”
Harmonic Balancer Assembly
from $106.99
(11)
Harmonic Balancer Assembly
“Good oem type replacements”