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Mercury Grand Marquis Diverter Valve

We have 21 Items In-stock. Select a year to continue.
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Mercury Grand Marquis Replacement RF32170002 Valve Lifter - Direct Fit, Sold Individually

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$18.88 $36.98 You Save $18.10 (49%)
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REPLACEMENT VALVE LIFTER

Replacement Valve Lifter - Brand New is your dependable replacement product for your damaged part; guaranteed NEW - not reconditioned. This new Valve Lifter is ideal for your restoration needs at an affordable price.

Replacement brand parts are the most affordable solution for your replacement needs! All Replacement brand items are backed by 1-year, unlimited-mileage warranty.

  • Brand SKU#: Replacement RF32170002
  • Warranty: 1-year, unlimited-mileage warranty
  • Anticipated Ship Out Time: 1-2 Business Days
  • Quantity Sold: Sold Individually
  • Product Fit: Direct Fit
  • Series: Replacement Valve Lifter

Fits the following Mercury Grand Marquis Years

  • 1992-2008 | GS | 8 Cyl 4.6L
  • 1992-2011 | LS | 8 Cyl 4.6L
  • 2003 | LSE | 8 Cyl 4.6L
  • 2005 | GSL | 8 Cyl 4.6L
  • 2005 | Limited Edition | 8 Cyl 4.6L
  • 2005 | Ultimate Edition | 8 Cyl 4.6L
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Mercury Grand Marquis Felpro VS13264T Valve Cover Gasket - Direct Fit, Set

$34.45 $55.35 You Save $20.90 (38%)
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Availability: In Stock, Same day - 1 business day
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FEL-PRO OE REPLACEMENT ENGINE VALVE COVER GASKETS

  • Constructed with the finest quality materials for superior durability
  • Precision-engineered to address each application’s unique characteristics
  • Easy installation
  • Designed to ensure leak-proof seal
  • Backed by industry leader renowned for their top-of-the-line sealing solutions

Backed by an industry leader renowned for delivering “the gaskets professionals trust,” Fel-Pro’s OE replacement engine valve cover gaskets are precision-engineered with the finest quality materials for superior durability and a secure, leak-proof seal. Fel-Pro is a leading brand of gaskets and sealing solutions in the automotive aftermarket.

See product for application and installation details.
  • Brand SKU#: Felpro VS13264T
  • Quantity Sold: Set
  • Gasket Material: Rubber gasket
  • Anticipated Ship Out Time: Same day - 1 business day
  • Product Fit: Direct Fit

Fits the following Mercury Grand Marquis Years

  • 1978-1989 | Base | 8 Cyl 5.8L
  • 1979-1981 | Colony Park | 8 Cyl 5.8L
  • 1979-1986 | Base | 8 Cyl 5.0L
  • 1979-1986 | Colony Park | 8 Cyl 5.0L
  • 1981-1982 | Base | 8 Cyl 4.2L
  • 1983-1991 | LS | 8 Cyl 5.0L
  • 1986 | LS | 8 Cyl 5.8L
  • 1987-1991 | GS | 8 Cyl 5.0L
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Mercury Grand Marquis Standard EGV1042 EGR Valve - Direct Fit, Sold Individually

$155.91 $268.34 You Save $112.43 (42%)
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Availability: In Stock, Same day - 1 business day
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STANDARD OE REPLACEMENT EGR VALVES

Restore your ride to full function with the OEM-grade quality assurance and standard-setting performance offered by Standard’s OE replacement EGR valves. Since 1919, Standard Motor Products has engineered a full line of engine management products, including ignition parts, sensors and on-board computers.

  • Design meets OE-level standards
  • Sturdily constructed in TS 16949 certified facilities
  • Broad range of import and domestic models covered
  • Put through systematic inspection to guarantee enduring performance and quality
  • Brand SKU#: Standard EGV1042
  • Warranty: 3-year or 36,000-mile Standard limited warranty
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: Same day - 1 business day

Fits the following Mercury Grand Marquis Years

  • 2003 | LSE | 8 Cyl 4.6L
  • 2003-2008 | GS | 8 Cyl 4.6L
  • 2003-2011 | LS | 8 Cyl 4.6L
  • 2005 | GSL | 8 Cyl 4.6L
  • 2005 | Limited Edition | 8 Cyl 4.6L
  • 2005 | Ultimate Edition | 8 Cyl 4.6L
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Mercury Grand Marquis DNJ VC4155G Valve Cover Gasket - Direct Fit, Set

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$40.45 $64.40 You Save $23.95 (37%)
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DNJ OE REPLACEMENT VALVE COVER GASKETS

Keep your valve cover properly sealed with the OE-style fit and performance delivered by DNJ's OE replacement valve cover gaskets. Since 1986, DNJ Engine Components has supplied the automotive aftermarket with a full line of domestic and Japanese engine parts.

 

  • Precision-engineered to provide OE-style fit and performance
  • Made with highly durable materials for lasting strength and service
  • Properly seals valve cover for leak-free functionality
  • Offered by engine component experts with over 30 years of experience in the industry
  • Hassle-free to install
  • Brand SKU#: DNJ VC4155G
  • Quantity Sold: Set
  • Warranty: 1 year or 12,000-mile DNJ limited warranty
  • Anticipated Ship Out Time: 1-2 Business Days
  • Product Fit: Direct Fit

Fits the following Mercury Grand Marquis Years

  • 1996 | GS | 8 Cyl 4.6L
  • 1996 | LS | 8 Cyl 4.6L
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Mercury Grand Marquis Walker Products 215-2001 Idle Control Valve - Direct Fit, Sold Individually

$38.18 $90.64 You Save $52.46 (58%)
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Availability: In Stock, 2-3 business days
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WALKER PRODUCTS OE REPLACEMENT IDLE CONTROL VALVES

Restore your ride to optimum, OE-standard performance with the carefully crafted and tested design offered by Walker Products’ OE replacement idle control valves. Walker Products supplies the automotive aftermarket with premium engine sensors and fuel system components.

  • Strenuously crafted for OE-standard fit and function
  • Made with first-class materials in TS 16949/ISO 9001-2008 qualified facilities
  • Carefully manufactured and inspected in-house to guarantee optimum performance
  • Endorsed by industry-respected fuel system and engine sensor manufacturer
  • Brand SKU#: Walker Products 215-2001
  • Quantity Sold: Sold Individually
  • Warranty: 90-day Walker limited warranty
  • Anticipated Ship Out Time: 2-3 business days
  • Product Fit: Direct Fit
  • Recommended Use: OE Replacement

Fits the following Mercury Grand Marquis Years

  • 1991 | GS | 8 Cyl 5.0L
  • 1991 | LS | 8 Cyl 5.0L
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Mercury Grand Marquis Dorman 911-126 EGR Valve - Direct Fit

$31.95 $81.38 You Save $49.43 (61%)
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DORMAN OE REPLACEMENT EGR VALVES

The solid, long-lasting design of Dorman’s OE replacement EGR valves ensures that exhaust gases are efficiently recycled for emission control. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

  • Reduces release of exhaust
  • Solidly built to hold up against extreme conditions
  • Gasket included for tightly secured seal
  • Quality tested for performance

Warning Symbol WARNING: This product can expose you to chemicals including Carbon Black, which is known to the State of California to cause cancer and Lead which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

  • Brand SKU#: Dorman 911-126
  • Warranty: Lifetime Dorman limited warranty
  • Product Fit: Direct Fit
  • Replaces OE Number: XL3Z9D475BA
  • Series: Dorman OE Solutions
  • Anticipated Ship Out Time: Same day - 1 business day
  • Notes: Includes gasket; With hose connector and 2 mounting holes
  • Prop65 Warning: Cancer and/or Reproductive Harm. Please Read Proposition 65 Warning In The Description.
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Fits the following Mercury Grand Marquis Years

  • 2000-2002 | GS | 8 Cyl 4.6L
  • 2000-2002 | LS | 8 Cyl 4.6L
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Mercury Grand Marquis 4-Seasons 38608 A/C Expansion Valve - Direct Fit, Sold Individually

$21.37 $41.96 You Save $20.59 (49%)
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Availability: In Stock, 1-2 Business Days
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4-SEASONS EXPANSION VALVE, TXV O-RING TYPE -- Flare fitting type, 14.5 in. capillary tube length, internal equal tube length, #6 inlet fit - flare, 0.62 in.-18 inlet thread, #8 outlet fit - flare, 0.75 in.-16 outlet thread, 8 superheat, 1.5 ton; A high quality, direct fit OE replacement expansion valve; With 120-day 4-Seasons limited warranty.
  • Brand SKU#: 4-Seasons 38608
  • Warranty: 120-day 4-Seasons limited warranty
  • Anticipated Ship Out Time: 1-2 Business Days
  • Quantity Sold: Sold Individually
  • Product Fit: Direct Fit

Fits the following Mercury Grand Marquis Years

  • 1975-1991 | All Submodels | All Engines
  • 1980-1984 | Base | All Engines
  • 1983-1984 | LS | All Engines
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Mercury Grand Marquis Spectre 5250 Valve Cover - Chrome, Steel, Direct Fit, Set of 2

$33.13 $60.46 You Save $27.33 (45%)
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Availability: In Stock, 2-3 business days
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SPECTRE VALVE COVERS, CHROME, PAIR -- Stock height; Includes baffles; Made of heavy duty steel and triple-chrome plated for a long lasting shine; Crafted exactly to meet or exceed OEM specifications; Specifically designed to add clearance for aftermarket valve train components; With Spectre's limited warranty.

*** ATTENTION STATE OF CALIFORNIA CONSUMERS ***

Warning Symbol WARNING: Cancer and reproductive harm – www.p65warnings.ca.gov
  • Brand SKU#: Spectre 5250
  • Quantity Sold: Set of 2
  • Warranty: Spectre Limited Lifetime warranty
  • Color/Finish: Chrome
  • Material: Steel
  • Product Fit: Direct Fit
  • Anticipated Ship Out Time: 2-3 business days
  • Notes: Stock Height; Steel; Chrome; Plain; 20 in. length, 5.5 in. width, 2.75 in. height; Designed for Ford Small Block 260-289-302-351W Engines; Pair
  • Prop65 Warning: Cancer and/or Reproductive Harm. Please Read Proposition 65 Warning In The Description.
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Fits the following Mercury Grand Marquis Years

  • 1978-1986 | Base | 8 Cyl 5.8L
  • 1979-1991 | All Submodels | All Engines
  • 1981-1986 | Base | 8 Cyl 5.0L
  • 1981-1986 | Colony Park | 8 Cyl 5.0L
  • 1981-1986 | Colony Park | 8 Cyl 5.8L
  • 1983-1989 | LS | 8 Cyl 5.0L
  • 1986 | LS | 8 Cyl 5.8L
  • 1987-1989 | GS | 8 Cyl 5.0L
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Mercury Grand Marquis Fram FV178 PCV Valve - Direct Fit, Sold Individually

$10.99 $21.25 You Save $10.26 (48%)
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Availability: In Stock, Same day - 1 business day
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FRAM PCV VALVE, SOLD INDIVIDUALLY -- A critical component to ensure that your vehicle will meet the emissions compliance testing standards; Its regular maintenance helps avoid poor engine performance, rough idling, and stalling; Designed to reduce the air pressure inside the engine and redirect it to the air intake system; Greatly contributes in making the engine fuel-efficient and trouble-free.
  • Brand SKU#: Fram FV178
  • Warranty: Fram limited warranty
  • Anticipated Ship Out Time: Same day - 1 business day
  • Quantity Sold: Sold Individually
  • Product Fit: Direct Fit
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Mercury Grand Marquis UAC EX 7000C A/C Expansion Valve - Direct Fit, Sold Individually

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$11.02 $19.42 You Save $8.40 (43%)
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Availability: In Stock, 1-2 Business Days
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A/C Expansion Valves are crucial replacement parts of your A/C system. UAC's A/C Expansion Valves are made through a unique engineering process in order to provide proper and ideal refrigerant flow to your evaporator. UAC also ensures that these expansion valves are made through high standards to meet or surpass OEM specifications. It also carries a number of lines to assure it would fit to any application you need.

Take advantage of UAC's unbeatable and unparalleled quality by purchasing your A/C expansion valves now.

  • Brand SKU#: UAC EX 7000C
  • Warranty: With 1-year limited UAC warranty
  • Anticipated Ship Out Time: 1-2 Business Days
  • Quantity Sold: Sold Individually
  • Product Fit: Direct Fit

Fits the following Mercury Grand Marquis Years

  • 1980-1986 | Base | 8 Cyl 5.0L
  • 1980-1986 | Colony Park | 8 Cyl 5.0L
  • 1980-1989 | Base | 8 Cyl 5.8L
  • 1980-1986 | Colony Park | 8 Cyl 5.8L
  • 1981-1982 | Base | 8 Cyl 4.2L
  • 1983-1991 | LS | 8 Cyl 5.0L
  • 1986 | LS | 8 Cyl 5.8L
  • 1987-1991 | GS | 8 Cyl 5.0L
  • 1992-2008 | GS | 8 Cyl 4.6L
  • 1992-2010 | LS | 8 Cyl 4.6L
  • 2005 | GSL | 8 Cyl 4.6L
  • 2005 | Limited Edition | 8 Cyl 4.6L
  • 2005 | Ultimate Edition | 8 Cyl 4.6L
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Mercury Grand Marquis Victor Reinz VS38300R Valve Cover Gasket - Direct Fit, 2-piece set

$21.25 $27.64 You Save $6.39 (23%)
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VICTOR REINZ VALVE COVER GASKETS, SET OF 2 -- Made from patented Victo-Tech molded and silicone rubber designed to meet or exceed OE specifications; Provides optimum seal; Handles drastic temperature extremes, high internal pressures, coolants, and lubricants with unsurpassed standards of innovation and quality; One-piece for easy installation and requires no sealant.
  • Brand SKU#: Victor Reinz VS38300R
  • Quantity Sold: 2-piece set
  • Anticipated Ship Out Time: Same day - 1 business day
  • Product Fit: Direct Fit
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Mercury Grand Marquis AC Delco 15-5812 Heater Valve - Direct Fit, Sold Individually

$22.65 $39.82 You Save $17.17 (43%)
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Availability: In Stock, 1-2 Business Days
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ACDELCO OE REPLACEMENT HEATER VALVES

The factory-original fit and lasting function of ACDelco’s OE replacement heater valves provide the perfect repair without breaking your budget. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • High-grade design delivers extended lifespan
  • Carefully formed to suit your specific vehicle
  • Engineered to exact OE standards
  • Has undergone stringent evaluation to guarantee proper fit and performance
  • Brand SKU#: AC Delco 15-5812
  • Warranty: 24-months or unlimited mile AC Delco limited warranty
  • Anticipated Ship Out Time: 1-2 Business Days
  • Quantity Sold: Sold Individually
  • Product Fit: Direct Fit
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Mercury Grand Marquis Motorcraft CX-1824 Idle Control Valve - Direct Fit, Sold Individually

$65.62 $173.62 You Save $108.00 (62%)
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Availability: In Stock, 1-2 Business Days
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MOTORCRAFT OE REPLACEMENT IDLE CONTROL VALVES

Officially endorsed by the Ford Motor Company and trusted throughout the industry, Motorcraft’s OE replacement idle control valves are produced and evaluated to exceptional standards to ensure enduring quality, maximum performance and an exact, vehicle-specific fit. As an automotive aftermarket division under Ford Motors, Motorcraft manufactures genuine and OE-quality replacement parts for Ford, Lincoln and Mercury.

  • Officially endorsed by the Ford Motor Company
  • Simple to install
  • Crafted to stringent OE standards
  • Provides exact, vehicle-specific fit and functionality
  • Lab- and performance-tested for exceptional quality assurance
  • Brand SKU#: Motorcraft CX-1824
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: 1-2 Business Days
  • Product Fit: Direct Fit

Fits the following Mercury Grand Marquis Years

  • 1987-1991 | GS | 8 Cyl 5.0L
  • 1987-1991 | LS | 8 Cyl 5.0L
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Mercury Grand Marquis Mr Gasket 6824G Valve Cover - Chrome, Fabricated Aluminum, Direct Fit, Set of 2

$179.06 $221.95 You Save $42.89 (19%)
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Availability: In Stock, 10-11 business days
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MR GASKET – VALVE COVERS

You can choose from several different stylish valve cover designs to give it the look you’re after. Mr. Gasket offers casted, fabricated and billet aluminum valve covers with extended lips to improve sealing, in tall or short heights. From their legendary gaskets, to interior and exterior accessories, Mr. Gasket makes parts that enhance your car’s performance and style.

  • Made from billet, casted or fabricated aluminum
  • Choose from short or tall heights
  • Valve covers to fit many Chevy and Ford engines
  • Extended lips help improve sealing
  • Brand SKU#: Mr Gasket 6824G
  • Quantity Sold: Set of 2
  • Warranty: 90-day Mr Gasket limited warranty
  • Color/Finish: Chrome
  • Material: Fabricated Aluminum
  • Includes: Mounting hardware included
  • Mounting Style: Perimeter Bolt Mounting Style
  • Series: Mr Gasket Aluminum
  • Product Fit: Direct Fit
  • Anticipated Ship Out Time: 10-11 business days
  • Design: Baffled
  • Height: Short Height
  • Top Design: Traditional Top Design
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Fits the following Mercury Grand Marquis Years

  • 1978-1981 | Base | 8 Cyl 5.8L
  • 1979-1980 | All Submodels | All Engines
  • 1981 | Colony Park | 8 Cyl 5.8L
  • 1981-1985 | Base | 8 Cyl 5.0L
  • 1981-1985 | Colony Park | 8 Cyl 5.0L
  • 1983-1985 | LS | 8 Cyl 5.0L
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Mercury Grand Marquis Proform 302-071 Valve Cover - Chrome, Stamped steel, Direct Fit, Set of 2

$79.67 $182.07 You Save $102.40 (56%)
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Availability: In Stock, 3-4 business days
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PROFORM VALVE COVERS, STEEL, CHROME, SET OF 2 -- With Ford RACING in black inlaid paint; Includes baffles and grommets; Not for use on engines with EFI manifolds; With Proform's limited 30-day warranty.
  • Brand SKU#: Proform 302-071
  • Quantity Sold: Set of 2
  • Warranty: 30-day Proform limited warranty
  • Color/Finish: Chrome
  • Material: Stamped steel
  • Includes: Baffle, grommets Included
  • Product Fit: Direct Fit
  • Anticipated Ship Out Time: 3-4 business days
  • Design: Baffled
  • Notes: For vehicles with CARB fuel delivery type
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Fits the following Mercury Grand Marquis Years

  • 1978-1981 | Base | 8 Cyl 5.8L
  • 1979-1982 | Base | 8 Cyl 5.0L
  • 1979-1982 | Colony Park | 8 Cyl 5.0L
  • 1979-1981 | Colony Park | 8 Cyl 5.8L
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Product Reviews

If you're looking to upgrade or repair your Mercury Grand Marquis with a Diverter Valve Auto Parts Warehouse is here for you. Free shipping on orders over $50 always makes purchasing a little easier. We look to satisfy all types of auto consumers so whether you you do it yourself (DIY), have someone do it for you (DIFM) or are a mechanic, we have worked hard to ensure we have a great selection of Diverter Valves for your Mercury Grand Marquis. So browse around our great selection of car parts and let's help with that auto repair or car upgrade!

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