1998 Mercury Grand Marquis Valve Cover and Cylinder Heads

Essential 1998 Mercury Grand Marquis Valve Cover and Cylinder Heads

Edelbrock – E-CNC Small-Block Ford Cylinder Head Hydraulic Roller Camshaft (Part No.79259)

E-CNC Small-Block Ford Cylinder Head Hydraulic Roller Camshaft

from

$1363.99
The Edelbrock part #79259 Small Block Ford E-CNC 185 cylinder head is the ultimate in performance. This cylinder head is fully CNC ported for maximum horsepower and torque, making them ideal for high-performance’s street and light duty racing applications

Product Features:
  • Complete Single For Hydraulic Roller/Mechanical Flat Tappet
  • 59cc Combustion Chamber Volume
  • 185cc Intake/75cc Exhaust Runner Volume
  • 2.02 in. Intake/1.57 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
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Spartan – Engine Cylinder Head; Ford 4.6 95-00 RGT Head (Part No.2FY7)

Engine Cylinder Head; Ford 4.6 95-00 RGT Head

from

$546.99
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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Edelbrock – 289-302 Ford Head Bolt Kit (Part No.8552)

289-302 Ford Head Bolt Kit

from

$107.99


Product Features:
  • Highest Quality Head Bolts
  • Cold-Formed/Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP
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Edelbrock – Ford 429-460 Head Bolt Kit (Part No.8566)

Ford 429-460 Head Bolt Kit

from

$338.99
The Edelbrock #8566 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate t
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8265 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

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:
  • 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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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.520 SD)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$41.49
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:
  • DESIGNED FOR THE TOUGHEST CONDITIONS – Engineered for hardworking vehicles that operate in severe conditions
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.9792 PT-2)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$58.99
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
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Walker Products – Cyl. Head Temp Senso (Part No.A3035415005WKR)

Cyl. Head Temp Senso

from

$31.71
The Walker Cylinder Head Temperature Sensor is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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NTK – Engine Cylinder Head Temperature Sensor (Part No.EJ0008)

Engine Cylinder Head Temperature Sensor

from

$34.99
The Engine Cylinder Head Temperature Sensor determines the exact temperature of the cylinder head by sending an analog signal to the ECM to calculate timing and fuel delivery for maximum engine performance, efficiency and engine operating temperature. The Engine Cylinder Head Temperature Sensor is located on the cylinder head. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Probe length matched to OE. Thread sealer pre-applied if necessary
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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Carquest Premium – Engine Cylinder Head Temperature Sensor (Part No.WTA1014)

Engine Cylinder Head Temperature Sensor

from

$33.99
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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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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Mahle – Cyl. Head Bolt Set (Part No.A3031566828MAH)

Cyl. Head Bolt Set

from

$68.99
Cyl. Head Bolt Set

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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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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Edelbrock – Hydraulic Roller Lifter Kit for Big-Block Ford. (Part No.97453)

Hydraulic Roller Lifter Kit for Big-Block Ford.

from

$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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Sealed Power – Engine Valve Lifter (Part No.HT-900)

Engine Valve Lifter

from

$9.79
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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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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Mahle – Cylinder Head Gasket Set (Part No.A8010930998MAH)

Cylinder Head Gasket Set

from

$352.94
WARNING: This item cannot be returned for a replacement or refund if opened! Mahle is the largest gasket manufacturer in the world, providing you original equipment design and quality and world class aftermarket service. Mahle does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Mahle gaskets prove it every day.

Product Features:
  • Original equipment design and quality
  • Head sets give you original equipment form, fit, and function
  • Utilizes OE equivalent or better materials in all head sets
  • Packaged in shrink wrapped tray
  • Every part you need to complete your gasket repair in one package unless otherwise stated
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Felpro – Cylinder Head Gasket Set (Part No.HS 9280 PT-2)

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
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8265 PT-1)

Cylinder Head Gasket Set

from

$88.99
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-847)

Engine Rocker Arm Kit

from

$8.99
Sealed Power Vintage parts provide coverage for applications over 35 years old, restoring classics with like-new performance. Leading-edge materials and ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
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Sealed Power – Engine Rocker Arm (Part No.R-1096)

Engine Rocker Arm

from

$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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Sealed Power – Engine Rocker Arm Kit (Part No.R-855)

Engine Rocker Arm Kit

from

$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:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Pivot
  • 1 Arm
  • Utilizes ISO & QS certified manufacturing
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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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Sealed Power – Engine Exhaust Valve (Part No.V-4603)

Engine Exhaust Valve

from

$16.99
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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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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Mahle – Mahle Exhaust Valve (Part No.A4050200618MAH)

Mahle Exhaust Valve

from

$25.55
MAHLE manufactures intake and exhaust valves in forged and hot-extruded versions in a multitude of materials for gasoline and diesel engines of every size. Depending on the stresses they are subjected to, the valves are reinforced around the seat, hardened, nitrided, or chrome-plated. Sodium-filled hollow valves can be used for extremely high thermal and mechanical loads. Since stresses on the components continue to rise in modern engines, MAHLE is focusing on the ongoing development of cooled valves.

Product Features:
  • OE Quality
  • Optimized for strength
  • Heat and corrosion resistant
  • Chromium plated or nitrided
  • Stem optimized to resist wear
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Sealed Power – Engine Exhaust Valve (Part No.V-1961)

Engine Exhaust Valve

from

$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.
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1998 Mercury Grand Marquis Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1998 Mercury Grand Marquis. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 14 different Valve Cover and Cylinder Heads in our inventory ranging from $8.49 to $532.99. That means you can find the exact parts or products you need to keep that 1998 Mercury Grand Marquis running smoothly.

Valve Cover and Cylinder Heads are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1998 Mercury Grand Marquis. Sealed Power, Felpro, and Dorman 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 Valve Cover and Cylinder Heads for your 1998 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Valve Cover and Cylinder Heads to keep your 1998 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!

Valve Cover and Cylinder Heads Brands To Make Your 1998 Mercury Grand Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1998 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Valve Cover and Cylinder Heads 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 Valve Cover and Cylinder Heads brands and parts.

Popular Felpro Valve Cover and Cylinder Heads

We carry Felpro parts in our stock across Cylinder Head Gaskets categories, plus more. For a 1998 Mercury Grand Marquis, our most popular Felpro Valve Cover and Cylinder Heads include:
Engine Cylinder Head Bolt Set
from $56.99
(6)
Engine Cylinder Head Bolt Set
Cylinder Head Bolt Sets

Top 1998 Mercury Grand Marquis Valve Cover and Cylinder Heads from Sealed Power

Sealed Power products are another trusted brand when it comes to Valve Cover and Cylinder Heads for your 1998 Mercury Grand Marquis. Popular Sealed Power parts include:
Engine Valve Lifter
from $10.49
(32)
Engine Valve Lifter
Engine Valve Lifters

FAQs for 1998 Mercury Grand Marquis Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1998 Mercury Grand Marquis?

Out of 14 Valve Cover and Cylinder Heads for the 1998 Mercury Grand Marquis, the most popular in our inventory are:
Engine Rocker Arm
from $20.99
This product is not rated
Engine Rocker Arm
Rocker Arms
Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)
from $8.49
This product is not rated
Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each)
Rocker Arm Shaft Plugs
Engine Cylinder Head Temperature Sensor
from $34.99
This product is not rated
Engine Cylinder Head Temperature Sensor
Cylinder Head Temperature Sensors