1984 Mercury Cougar Engine Parts

Essential 1984 Mercury Cougar Engine Parts

Cloyes Gear – Engine Timing Set (Part No.C-3013K)

Engine Timing Set

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$34.99
Timing Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Cam Sprocket, Crankshaft Sprocket, Timing Chain
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Dorman – Steel Cup Expansion Plug 2-1/2 In., Height 0.280 (sold by each) (Part No.555-055)

Steel Cup Expansion Plug 2-1/2 In., Height 0.280 (sold by each)

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$2.29
Our Engine Camshaft Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, and Quick-Seal® Rubber. Our unique Seal Expansion Plug ensures 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 Camshaft Plugs are constructed to strict engineering quality standards
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Dorman – Rubber Freeze Plug – Size Range: 7/8" – 1" – Metric Range: 22mm – 25mm – Nominal Size: 7/8" (Part No.02609)

Rubber Freeze Plug - Size Range: 7/8" - 1" - Metric Range: 22mm - 25mm - Nominal Size: 7/8"

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$2.79
Rubber Freeze Plug – Size Range: 7/8" – 1" – Metric Range: 22mm – 25mm – Nominal Size: 7/8"

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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Dorman – Engine Oil Pan: Direct Fit, Steel, Rear Sump (Part No.264-040)

Engine Oil Pan: Direct Fit, Steel, Rear Sump

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$35.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Cardone – Engine Control Module (Part No.78-4376)

Engine Control Module

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$157.99
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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Edelbrock – Signature Series Valve Covers: Small Block Ford 221-351W 62-95, Chrome Steel (Part No.4460)

Signature Series Valve Covers: Small Block Ford 221-351W 62-95, Chrome Steel

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$74.99
The Edelbrock #4460 Signature Series Valve Covers are designed for Ford 260-289-302 (not Boss) and 351W V8 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:
  • Small Block Ford 221-351W 62-95
  • Tall
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Sealed Power – Engine Oil Pump (Part No.224-43661)

Engine Oil Pump

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$229.99
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:
  • Manufactured to fit a specific application
  • Ensures that oil is evenly distributed in the engine system
  • Each oil pump is tested for pressure and flow under conditions designed to duplicate actual engine operating conditions before leaving plant
  • Every pump is engineered, manufactured and assembled to the highest material and production standards
  • Utilizes ISO & QS certified manufacturing
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National – Multi Purpose Seal (Part No.482041N)

Multi Purpose Seal

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$15.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Sealed Power – Engine Camshaft Bearing Set (Part No.1443M)

Engine Camshaft Bearing Set

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$33.99
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 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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PowerBond – Race Performance Harmonic Balancer; 161.5mm Diameter (Part No.PB1084SS)

Race Performance Harmonic Balancer; 161.5mm Diameter

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$215.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:
  • Designed as premium OEM replacement balancers for serpentine and V-belt drives
  • Manufactured with ductile iron casting and injection bonded dampening rubber
  • Engineered to offer superior bonding strength between the balancer rings
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Edelbrock – Rollin’ Thunder Camshaft for Small-Block Ford 351W V8 (Part No.2281)

Rollin' Thunder Camshaft for Small-Block Ford 351W V8

from

$520.99
Product Features:
  • Roller Cam Type
  • Roller Lifter Type
  • Exhaust 238 deg/Intake 238 deg Duration @ .050 Lift
  • Exhaust 0.364in./Intake 0.364in. Valve Lift
  • 112 deg Lobe Steps
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Dorman – Timing Cover With Gasket And Seal (Part No.635-102)

Timing Cover With Gasket And Seal

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$169.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72160)

Engine Cylinder Head Bolt Set

from

$30.49
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
  • 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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Sealed Power – Engine Balance Shaft Bearing Set (Part No.1807M)

Engine Balance Shaft Bearing Set

from

$24.99
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 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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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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Mr. Gasket – Engine Rebuilder Overhaul Gasket Kit (Part No.7121)

Engine Rebuilder Overhaul Gasket Kit

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$89.99
Kits include all gaskets needed for a complete engine overhaul. Cylinder head, intake, exhaust, valve cover and oil pan. Distributor gasket (where applicable), timing cover, fuel pump, thermostat, water pump, and rear main seal. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Engineered To Meet Or Exceed OE Specifications
  • This Kit Includes All Gaskets And Seals
  • Designed For Complete Rebuild
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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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Carquest Premium – Chain – Primary (Part No.C-387)

Chain - Primary

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$69.99
Advance Auto Parts is proud to carry this part with the best fitment and performance requirements for this application, from the highest quality timing component vendor.

Product Features:
  • The chain is heat treated steel for durability and prerun for accurate fit
  • Inverted tooth chain with 116 links and 2 timing marks
  • Meets or exceeds O.E.M. performance
  • Coated in rust preventative
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Melling – Stock Replacement Oil Pump Screen (Part No.87-GS)

Stock Replacement Oil Pump Screen

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$28.99
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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Felpro – Engine Timing Cover Dust Seal Set (Part No.ES 72734)

Engine Timing Cover Dust Seal Set

from

$8.99
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
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Sealed Power – Engine Push Rod (Part No.RP-3172)

Engine Push Rod

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$1.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
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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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Carquest Premium – Multi Purpose Relay (Part No.RAA1743)

Multi Purpose Relay

from

$28.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Felpro – Cylinder Head Gasket Set (Part No.HS 9280 PT-3)

Cylinder Head Gasket Set

from

$77.99
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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Sealed Power – Engine Rocker Arm Kit (Part No.R-879)

Engine Rocker Arm Kit

from

$18.79
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:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Pivot
  • Stamped steel
  • Bolt type mount
  • Utilizes ISO & QS certified manufacturing
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Mr. Gasket – Chrome Plated Steel Crankshaft Pulley (Part No.8827)

Chrome Plated Steel Crankshaft Pulley

from

$75.99
Replace your stock black engine pulleys with chrome plated steel pulleys from Mr. Gasket.

Product Features:
  • Single Groove
  • Chrome Plated
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Popular 1984 Mercury Cougar Engine Parts Categories

1984 Mercury Cougar Engine Parts

You count on your 1984 Mercury Cougar 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 263 Engine Parts ranging in price from $0.43 to $1,751.99, you’re sure to find everything you need for your 1984 Mercury Cougar.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 22 different brands like Felpro, Sealed Power, and Dorman. 1984 Mercury Cougar 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 551 extensive product reviews on 1984 Mercury Cougar 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 Cougar below to get started!

Top-Rated Engine Parts Brands For Your 1984 Mercury Cougar

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 Cougar running right for years to come. In our inventory you’ll find brands like Felpro, Sealed Power, Dorman, and even more.

Popular Cardone Engine Parts

You’ll find popular Cardone brand products across Engine Control Modules (ECM). All are waiting to get your 1984 Mercury Cougar back on the road. Some of the top-rated Cardone products in these categories are:
Engine Control Module
from $136.99
(1)
Engine Control Module
Engine Computers

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 Cougar, 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 Cougar Engine Parts

What are the most purchased Engine Parts for the 1984 Mercury Cougar?

Out of 263 Engine Parts for the 1984 Mercury Cougar, 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 Cougar Engine Parts?

Top-rated Engine Parts for your 1984 Mercury Cougar 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”