1991 Mercury Grand Marquis Engine Parts

Essential 1991 Mercury Grand Marquis Engine Parts

Carquest Premium – Engine Camshaft Position Sensor Connector (Part No.PTA1146)

Engine Camshaft Position Sensor Connector

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$17.79
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Felpro – Engine Conversion Gasket Set (Part No.CS 8265-1)

Engine Conversion Gasket Set

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$15.29
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:
  • 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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Felpro – Engine Timing Cover Repair Sleeve (Part No.16207)

Engine Timing Cover Repair Sleeve

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$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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Sealed Power – Engine Piston Ring Set (Part No.E-296X)

Engine Piston Ring Set

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$60.99
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:
  • 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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Anchor – Engine Mount: Front Left, 1 Piece (Part No.3025)

Engine Mount: Front Left, 1 Piece

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$85.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to FORD 03-11; LINCOLN 09-11; MERCURY 03-11;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2003-2011
  • Weight approx: 5 Lbs
  • PART GROUP: 3024, 3025
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Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K-68)

Stock Replacement Type Oil Pump Repair Kit

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$61.99
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 – Valve Cover (Part No.5250)

Valve Cover

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$79.99
Available in various sizes, heights, and finishes, Spectre offers a wide variety of high performance valve covers designed to easily replace your stock covers. Designed for Ford Small Block 260-289-302-351W engines, this valve cover features chrome-plated steel construction and a smooth design. Sold in pairs, this stock profile cover is baffled to provide optimum function. With show quality construction and a sealing edge designed for an ideal fit, our valve covers are engineered to look great for applications ranging from custom builds to replacing stock equipment.

Product Features:
  • Designed for Ford Small Block 260-289-302-351W engines
  • Baffled for breather system compatibility
  • Sold in pairs
  • Triple chrome-plated steel construction
  • Stock height
  • Features OEM style sealing edge
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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

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

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Felpro – Gasket Kit (Part No.260-1013)

Gasket Kit

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$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:
  • 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
  • Includes all parts needed to complete the repair
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Dorman – Steel Cup Expansion Plug 3/4 In., Height 0.250 (sold by each) (Part No.555-012)

Steel Cup Expansion Plug 3/4 In., Height 0.250 (sold by each)

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$1.29
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Engine Oil Pan: Direct Fit, Steel, Rear Sump (Part No.264-083)

Engine Oil Pan: Direct Fit, Steel, Rear Sump

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$235.99
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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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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Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Roller Cam for Ford 351C, 351M-400M (Part No.32-601-8)

Mutha' Thumpr 235/249 Hydraulic Roller Cam for Ford 351C, 351M-400M

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$522.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series’ early i

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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Sealed Power – Engine Oil Pump (Part No.224-41143)

Engine Oil Pump

from

$62.99
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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Sealed Power – Camshaft Bearing Set (Part No.2102M)

Camshaft Bearing Set

from

$74.99
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 micro Babbitt lining material
  • Used in automotive and high-performance, Babbitt is designed to deform under extreme loads with o damaging other engine parts.
  • Fatigue life of cam bearings are nearly doubled
  • Ensures dependable performance and superior service life
  • Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
  • Application-specific design for perfect fit and correct operation
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 13364)

Engine Valve Stem Oil Seal Set

from

$23.49
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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PowerBond – Premium OEM Replacement Harmonic Balancer; 179mm Diameter (Part No.PB1516N)

Premium OEM Replacement Harmonic Balancer; 179mm Diameter

from

$65.99
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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Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45008)

Engine Timing Cover Gasket Set

from

$25.99
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:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • 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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Edelbrock – RPM Small-Block Ford 2.02" Cylinder Head Hydraulic Flat Tappet Cam (Part No.60259)

RPM Small-Block Ford 2.02" Cylinder Head Hydraulic Flat Tappet Cam

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$1001.99
The Edelbrock #60259 Performer RPM cylinder head is designed for use with 289-351W c.i.d. Small-Block Ford applications. The Edelbrock #60259 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-th

Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Maximum Performance From Idle through Mid-Range
  • Intake Valves Are For Use w/Stock Pistons
  • Designed For Non-Emissions
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Imperial – Engine Oil Cooler (Part No.241040)

Engine Oil Cooler

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$216.99
Product Features:
  • Imperial Swirl-Cool« engine oil cooler kit
  • Size: 1-1/2″ x 6-1/2″ x 18″
  • Heavy-duty applications
  • All except Chevrolet V8 applications
  • Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
  • Heavy duty applications
  • All except Chevrolet V8 applications
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Sealed Power – Connecting Rod Bearing Set (Part No.8-7160CH)

Connecting Rod Bearing Set

from

$90.99
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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Edelbrock – Pushrod Set for Ford 351W (Part No.9656)

Pushrod Set for Ford 351W

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$184.99
Edelbrock part #9656 Pushrods are designed for small-block Ford 351W V-8 engine applications. These one-piece pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum durability. They have precise f

Product Features:
  • 7.63 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
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Melling – Stock Replacement Oil Pump Screen (Part No.247S)

Stock Replacement Oil Pump Screen

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$54.99
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 Crankshaft Sprocket (Part No.S493)

Engine Timing Crankshaft Sprocket

from

$9.49
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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Felpro – Cylinder Head Gasket (Part No.A8100975071FEL)

Cylinder Head Gasket

from

$69.72
Cylinder Head Gasket

Sealed Power – Engine Connecting Rod Bearing (Part No.3400CP 10)

Engine Connecting Rod Bearing

from

$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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Dorman – Timing Cover With Gasket And Seal (Part No.635-107)

Timing Cover With Gasket And Seal

from

$113.99
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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Edelbrock – Performer-Plus Camshaft Kit for Big-Block Ford 429/460 V8 (Part No.7167)

Performer-Plus Camshaft Kit for Big-Block Ford 429/460 V8

from

$423.99


Product Features:
  • Designed for 1500 to 6500 Performance
  • Maximum Power in High-RPM with Good Low-End Torque
  • Matched to Edelbrock Performer RPM Intakes
  • 10 to 12 in. of Manifold Vacuum at Idle
  • More Lift and Duration than Most Street Camshafts
  • Includes Hydraulic Lifters and Assembly Lube
  • Dyno Matched/Street Proven Performance
  • Take The Guesswork Out Of Camshaft Selection
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1991 Mercury Grand Marquis Engine Parts

You count on your 1991 Mercury Grand Marquis to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 192 Engine Parts ranging in price from $0.43 to $1,751.99, you’re sure to find everything you need for your 1991 Mercury Grand Marquis.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 23 different brands like Felpro, Sealed Power, and Dorman. 1991 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 458 extensive product reviews on 1991 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 1991 Mercury Grand Marquis below to get started!

Top-Rated Engine Parts Brands For Your 1991 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 1991 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 and Engine Blocks. All are waiting to get your 1991 Mercury Grand Marquis back on the road. Some of the top-rated Carquest Premium products in these categories are:
Timing Set, 3-Piece
from $29.99
(7)
Timing Set, 3-Piece
Timing Sets
Oil Filler Cap
from $10.49
(1)
Oil Filler Cap
Oil Caps

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 1991 Mercury Grand Marquis, and some of our most reviewed Felpro parts include:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
O-Rings
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

FAQs for 1991 Mercury Grand Marquis Engine Parts

What are the most purchased Engine Parts for the 1991 Mercury Grand Marquis?

Out of 192 Engine Parts for the 1991 Mercury Grand Marquis, the most popular in our inventory are:
Engine Crankshaft Seal Kit
from $34.99
(15)
Engine Crankshaft Seal Kit
Crankshaft Seals
Engine Valve Lifter
from $15.79
(3)
Engine Valve Lifter
Engine Valve Lifters

What are the top-rated 1991 Mercury Grand Marquis Engine Parts?

Top-rated Engine Parts for your 1991 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”
VALVE COVER GASKET SET
from $25.99
(20)
VALVE COVER GASKET SET
“Worked great”