1998 Mercury Grand Marquis Engine Parts

Essential 1998 Mercury Grand Marquis Engine Parts

Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K176)

Stock Replacement Type Oil Pump Repair Kit

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$102.99
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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Spectre – Oil Pan (Part No.5507)

Oil Pan

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$103.99
Spectre’s Oil Pan was designed for Ford cars and 2WD trucks with 221, 260, 289, & 302W engines (will not fit vans and 4WD vehicles). The stock 4 quart capacity pan features a raw finish and durable steel construction. Precision engineered for optimum fit and function, this high quality OEM replacement part is easy to install.

Product Features:
  • For Ford cars and 2WD trucks with 221, 260, 289, & 302W engines
  • Stock 4 quart capacity
  • Raw, unfinished steel construction
  • Does not fit vans and 4WD vehicles
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Sealed Power – Engine Rocker Arm Kit (Part No.R-847)

Engine Rocker Arm Kit

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$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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Carquest Premium – Engine Cylinder Head Temperature Sensor (Part No.WTA1014)

Engine Cylinder Head Temperature Sensor

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$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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Cloyes Gear – Engine Timing Chain Kit (Part No.9-0387SHX)

Engine Timing Chain Kit

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$317.99
Timing Chain Kits includes all components for a quick and efficient replacement

Product Features:
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance-free experience
  • Utilizes the latest in design and technology to offer a complete chain kit solution
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
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ARP Auto Racing – For Use With 289/ 460 Cubic" Ford, 5/8" Socket Size, 5/8" – 18 Thread Size (Part No.150-2501)

For Use With 289/ 460 Cubic" Ford, 5/8" Socket Size, 5/8" - 18 Thread Size

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$33.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 Pounds Per Square Inch bolts that let you exert maximum clamping force. Special features comes with 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.

Product Features:
  • Ultra Strong Bolt Rated At 200,000 Pounds Per Square Inch
  • Professional Quality Fasteners
  • Delivers ARP Quality And Reliability
  • Made In USA
  • 2.05″ Underhead Length
  • Ford 289-460 (except 351C)
  • Sold Individually
  • 200,000 PSI
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Felpro – Fuel Injection Plenum Gasket Set (Part No.MS 90762)

Fuel Injection Plenum Gasket Set

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$9.29
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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Edelbrock – Small-Block Ford E-Street Cylinder Heads 2.02" (Part No.5025)

Small-Block Ford E-Street Cylinder Heads 2.02"

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$1268.99
The Edelbrock #5025 E-Street cylinder heads are designed for Ford 289-351 W V8 applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for e

Product Features:
  • Complete Pair
  • 60cc Combustion Chamber Volume
  • 170cc Intake/60cc Exhaust Runner Volume
  • 2.02 in. Intake/1.6 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
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Mahle – Mahle Exhaust Valve (Part No.A4050200618MAH)

Mahle Exhaust Valve

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$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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Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5433)

Engine Timing Chain Tensioner

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$52.99
A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain. Please refer to our online catalog for detailed application-specific information

Product Features:
  • 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
  • Meet or exceed OEM performance requirements
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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Factory Air – O-Ring & Gasket A/C System Seal Kit (Part No.26715)

O-Ring & Gasket A/C System Seal Kit

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$20.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • Application specific
  • SUV and rear air applications
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Crankshaft Rebuilders – Remanufactured Crankshaft Kit (Part No.15630)

Remanufactured Crankshaft Kit

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$341.99
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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FAE – Engine Coolant Temperature Sensor (Part No.C6020398419FAE)

Engine Coolant Temperature Sensor

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$38.40
The FAE Engine Coolant 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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Edelbrock – 289-302 Ford Head Bolt Kit (Part No.8552)

289-302 Ford Head Bolt Kit

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$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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Premium Drive Train – Engine Assembly (Part No.L4696R2F)

Engine Assembly

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$2769.99
(PDT) Premium Drivetrain Engines are remanufactured to original equipment (OEM) demanding specifications by an OEM builder. Each engine assembly is manufactured with the highest technology equipment, the most intelligent engineering support, and the best practices available in remanufacturing today.

Product Features:
  • REMANUFACTURING and QUALITY CHECKS – ENGINE BLOCKS: Each block is magnafluxed for cracks and checked for any visible damage to the block or threaded holes before being repainted to the original color. Five CNC machining centers are programmed to precise specifications that meet or exceed those established by the OEM for each engine block. After the engine block is bored, decked, and chamfered, each cylinder is honed with the specified OEM cross-hatch pattern. 100% gauging of all cylinder bores for diameter and roundness after final honing operation. 100% new pistons, rings and bearings are installed in every engine.
  • CYLINDER HEADS: Every head is resurfaced and completely inspected for any visible damage or cracks to the casting or threaded holes. Any heads that have cracks in the combustion chamber are immediately scrapped, no weld repairs. Valve seats are machined, inspected and replaced if necessary. Valve guides are inspected with an air gauge and replaced if necessary. The cam bore is air gauge checked on overhead cam engines and machined if required. 100% new valves, seals and lifters are used in every head. All head and valve assemblies are quantified for leakage using a vacuum decay process.
  • CONNECTING RODS: Each connecting rod is measured against OEM specifications for bend, twist, and center-to-center length before use. The piston pin bore and bearing bore are measured with air gauges for proper dimensions. New torque to yield rod bolts and nuts are installed.
  • CRANKSHAFTS: Crankshafts are machined on a fully automated CNC crank grinder. This enables consistency and critical tolerances for each journal. All oil galley holes are chamfered and brushed after machining and the crankshaft is given a final wash to ensure cleanliness. Each crank is inspected for cracks, bow and all applicable run-out specs for rod and main journals.
  • DYNAMIC ENGINE TESTING: Sims Testing – All engines are cold motored and checked and measured for proper torque to turn, cylinder compression, oil flow, oil pressure as well as monitored for any unusual noises inside the assembly. All engine assemblies quantified for oil gallery, gasket, and casting leakage in the oil passageways.
  • Product might not be available in all states due to local laws.
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Sealed Power – Engine Connecting Rod Bearing (Part No.2600CP 20)

Engine Connecting Rod Bearing

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$5.49
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 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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ARP Auto Racing – 4.6L/ 5.4L Ford Small Block Modular V8, 200000Psi Tensile, M12 X 1.5" Thread (Part No.256-1001)

4.6L/ 5.4L Ford Small Block Modular V8, 200000Psi Tensile, M12 X 1.5" Thread

from

$26.99
Install an ARP cam bolt kit and end your camshaft timing worries ARP quality delivers increased pre-load clamping force and assures positive timing gear register. Includes appropriate fasteners for your application. Increased material strength overcomes valve train harmonics and stress. Added features include oversized bolt head flange for cam button retention and reduced socket head size to facilitate easy installation and removal. Available in both High Performance and Pro Series kits.

Product Features:
  • Arp Quality Delivers Increased Pre-Load Clamping Force And Assures Positive Timing Gear Register
  • Quality Delivers Increased Pre-Load Clamping Force And Assures Positive Timing Gear Register
  • Increased Material Strength Overcomes Valve Train Harmonics And Stress
  • Oversized Bolt Head Flange For Cam Button Retention And Reduced Socket Head Size To Facilitate Easy Installation And Removal
  • M12 X 1.50 RH Thread Size
  • 1.7″ Underhead Length
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Dorman – Harmonic Balancer Assembly (Part No.594-023)

Harmonic Balancer Assembly

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$125.99
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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WSO – Crank Position Senso (Part No.A2255202044WSO)

Crank Position Senso

from

$40.73
Crank Position Senso

Driveworks – Oil Seal (Part No.S-2692)

Oil Seal

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$10.79
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Mr. Gasket – Rear Main Seal Gasket (Part No.1963)

Rear Main Seal Gasket

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$42.49
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:
  • Repairs That Leaky Rear Main Sail
  • Silicone Rubber to Withstand Extreme Engine Oil Temperatures
  • Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
  • Injection Molded for Precise Fit
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Dorman – Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (Part No.555-077.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.220

from

$1.49
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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Delphi – Engine Camshaft Position Sensor (Part No.SS10058)

Engine Camshaft Position Sensor

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$31.99
Designed digital output for maximum signal to noise ratio. Not impacted by temperature changes and provide robust, long-lasting sensor protection. Manufactured to meet or exceed OE requirements.

Product Features:
  • Delphi products are manufactured in a Delphi ISO certified facility
  • Designed digital output for maximum signal to noise ratio
  • All parts used in the manufacture process are Delphi validated
  • Not impacted by temperature changes and provide robust, long-lasting sensor protection
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Edelbrock – Cylinder Head Gasket Set for Ford (Part No.7314)

Cylinder Head Gasket Set for Ford

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$126.99
Product Features:
  • 4.5 in. Cylinder Bore Diameter
  • 0.048 in. Thickness
  • 12.5cc Volume
  • Gray Color
  • Two Piece Configuration
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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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Sealed Power – Connecting Rod Bearing Set (Part No.8-7250CH)

Connecting Rod Bearing Set

from

$150.99
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:
  • Steel-backed Babbitt lining material
  • For use in automotive and high-performance applications
  • Babbitt designed to deform under extreme loads without damaging other engine parts
  • Meets unique demands of performance engines
  • Delivers dependable performance and superior service life
  • Application-specific design for perfect fit and correct operation
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72683)

Engine Valve Stem Oil Seal Set

from

$27.49
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:
  • RIGHT TYPE — Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS — Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE — Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID — Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE — Available for domestic and foreign nameplate vehicles
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Felpro – Engine Timing Cover Repair Sleeve (Part No.16207)

Engine Timing Cover Repair Sleeve

from

$11.29
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • 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
  • Validated for fit, form, and function
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1998 Mercury Grand Marquis Engine Parts

You count on your 1998 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 123 Engine Parts ranging in price from $0.99 to $2,909.99, you’re sure to find everything you need for your 1998 Mercury Grand Marquis.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 29 different brands like Sealed Power, Felpro, and Carquest Premium. 1998 Mercury Grand Marquis Engine Parts start as low as $0.99!

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 233 extensive product reviews on 1998 Mercury Grand Marquis Engine Parts. Some of the top-rated Engine Parts products we carry are Oil Seal with 4.9 stars and Engine Long Block; Ford 4.6 96-99 Engine with 4.8 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 1998 Mercury Grand Marquis below to get started!

Top-Rated Engine Parts Brands For Your 1998 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 1998 Mercury Grand Marquis running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Carquest Premium, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Timing Parts and Engine Blocks. All are waiting to get your 1998 Mercury Grand Marquis back on the road. Some of the top-rated Carquest Premium products in these categories are:
Chain Arm - Left
from $24.99
(1)
Chain Arm – Left
Timing Chain Tensioners
Oil Filler Cap
from $10.49
(1)
Oil Filler Cap
Oil Caps

FAQs for 1998 Mercury Grand Marquis Engine Parts

What are the most purchased Engine Parts for the 1998 Mercury Grand Marquis?

Out of 123 Engine Parts for the 1998 Mercury Grand Marquis, the most popular in our inventory are:
Engine Valve Lifter
from $10.49
(32)
Engine Valve Lifter
Engine Valve Lifters
Camshaft Sensor
from $28.99
This product is not rated
Camshaft Sensor
Camshaft Position Sensors
Crankshaft Sensor
from $38.99
This product is not rated
Crankshaft Sensor
Crankshaft Position Sensors

What are the top-rated 1998 Mercury Grand Marquis Engine Parts?

Top-rated Engine Parts for your 1998 Mercury Grand Marquis based on customer reviews/ratings are:
Oil Seal
from $10.79
(62)
Oil Seal
“worked great”
Engine Long Block; Ford 4.6 96-99 Engine
from $2909.99
(12)
Engine Long Block; Ford 4.6 96-99 Engine
“Fixed front end sound perfectly.”
Harmonic Balancer Assembly
from $84.99
(8)
Harmonic Balancer Assembly
“The product was reasonably priced, well below the price offered by Ford or anyone else for that matter, easy to order and was ready when I went to pic”