1990 Pontiac Grand Prix Ignition and Tune-Up Products

Essential 1990 Pontiac Grand Prix Ignition and Tune-Up Products

PerTronix – 808403 Flame-Thrower Spark Plug Wires 8 cyl 8mm GM HEI Custom Fit Red (Part No.808403)

808403 Flame-Thrower Spark Plug Wires 8 cyl 8mm GM HEI Custom Fit Red

from

$72.99
8mm Custom fit MAGx2 wires are available for many popular applications equipped with Flame-Thrower or original GM HEI distributors. Our custom wire sets have factory terminated ends for a superior connection and perfect fit, without cuttting, crimping and

Product Features:
  • PerTronix 808403 Flame-Thrower Spark Plug Wires 8 cyl 8mm GM HEI Custom Fit Red
  • Two current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
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ACDelco – Ignition Wire Holder (Part No.F1060289679ACD)

Ignition Wire Holder

from

$2.05
Ignition Wire Holder

Carquest Premium – Ignition Switch Connector (Part No.PTA2515)

Ignition Switch Connector

from

$38.99
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.

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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Delphi – Ignition Control Unit (Part No.F6000576491DEL)

Ignition Control Unit

from

$95.71
Delphi ignition modules feature distributor-based, DIS and late-model cassette configurations for broad coverage. Delphi modules control the primary ignition circuit to fire the coil, using input from sensors that determine engine rotation and speed. The result is accurate, repeatable timing for optimal exhaust emissions, fuel economy and performance.

Product Features:
  • OE Quality – Direct Fit
  • Factory original equipment connectors
  • No additional time consuming steps needed for installation
  • Longest performance life
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ACDelco – GM Original Equipment Ignition Knock (Detonation) Sensor (Part No.F6020430220ACD)

GM Original Equipment Ignition Knock (Detonation) Sensor

from

$21.74
An ACDelco GM Original Equipment Ignition Knock (Detonation) Sensor monitors the engine for pinging or spark knock, and is a GM-recommended replacement for your vehicle’s original component. The sensor creates a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses this signal to adjust the ignition timing and air/fuel mixture. This original equipment ignition knock sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Undergo the same stringent testing process as the original part
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Ignition Switch (Part No.CSE2137)

Ignition Switch

from

$90.99
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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Carquest – Ignition Coil Cover (Part No.26N1087)

Ignition Coil Cover

from

$42.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High temp thermoplastic for long service life
  • Designed for the OE coil as a direct replacement part
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Carquest Premium – Ignition Coil Connector (Part No.PTA1163)

Ignition Coil Connector

from

$18.79
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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Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach

from

$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a 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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GM Genuine Parts – Multi-Purpose Threaded Plug (Part No.14084945)

Multi-Purpose Threaded Plug

from

$9.99
GM Genuine Parts Multi Purpose Threaded Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Driveworks – Ignition Control Module (Part No.21030)

Ignition Control Module

from

$139.05
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
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Motorcraft – SPARK PLUG (Part No.SP-442-X)

SPARK PLUG

from

$6.99
SPARK PLUG

MAHLE Original – O-Ring (Part No.72214)

O-Ring

from

$2.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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ACDelco – GM Original Equipment Electronic Ignition Control Module Pigtail (Part No.F2047573223ACD)

GM Original Equipment Electronic Ignition Control Module Pigtail

from

$125.30
ACDelco GM Original Equipment Ignition Control Module Connector is a GM-recommended replacement and will provide the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Dorman – Help – Distributor O-Ring Assortment (Part No.90441)

Distributor O-Ring Assortment

from

$4.79
This distributor cap O-ring is designed to match the fit and function of the original O-ring on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this distributor cap O-ring is designed to match the fit and function of the original O-ring on specified vehicles
  • Restores functionality – this O-ring is made to fit and fully restore part functionality after the original O-ring fails
  • 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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DENSO – Spark Plug Wire Set: Carbon Core, 8 Wire Set (Part No.671-8027)

Spark Plug Wire Set: Carbon Core, 8 Wire Set

from

$73.99
DENSO First Time Fit Ignition Wire Sets are identical in form fit color and performance to the factory-installed wire sets. Every part of each wire sets construction meets or exceeds OE/OES standards.

Product Features:
  • Each wire is pre-cut to exact length so the wire set is ready to install right out of the box
  • Identical OE end caps are designed to “click” into place for easy installation and a secure fit
  • Strong connections – through a patented process, the terminals are attached to provide an extremely strong connection, ensuring the cable and boot will not separate during removal and installation
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Carquest – A/C Compressor Connector (Part No.PT770)

A/C Compressor Connector

from

$16.05
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
  • Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
  • All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation
  • Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Accel – GM Gen 4 Ls3/Ls4/Ls7 Engines (Part No.9070C)

GM Gen 4 Ls3/Ls4/Ls7 Engines

from

$158.99
ACCEL now offers the cure for burnt spark plug wire boots with Extreme 9000 Ceramic Wire kits. The 8mm Ferro-Spiral core wire now has ceramic boots on the spark plug end of the wires. The ceramic boots will withstand up to 2,000 degrees F. If you are running headers with close tolerances, have an engine bay with little room or an RV with boots that melt because of heat, these wire kits are the answer for burnt and melting boots. The wire uses a 500 Ohms/ft Ferro-Spiral core developed for performance use. It provides excellent energy delivery to the spark plugs, while providing the highest level of RFI/EMI suppression. The Extreme 9000 Ceramic Wires also feature stainless steel spark plug terminals for maximum spark energy to the plugs.

Product Features:
  • 500 Ohms/ft Of Resistance
  • 600 F Rated Silicone Jacket
  • Stainless Steel Plug Terminals
  • RFI Suppression For Street Driven Applications
  • Custom-fit Universal And Import Coverage
  • Pre And Post HEI Vehicles
  • Ceramic boots withstand up to 2,000░ Fahrenheit
  • Ceramic boots withstand up to 2,000° Fahrenheit
  • 8mm double silicone construction black wire rated at 600░ F rated
  • 8mm double silicone construction black wire rated at 600° F rated
  • 500 Ohms/foot ferro sprial core offers the highest level of RFI/EMI suppression
  • Universal and custom fit applications
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ACDelco – Professional MAP Sensor Connector (Part No.C7047581623ACD)

Professional MAP Sensor Connector

from

$47.24
The ACDelco Professional, premium aftermarket Manifold Absolute Pressure (MAP) Sensor Connector is the ideal high quality replacement for your GM vehicle. They are manufactured to meet GM’s specifications for original wire harness connectors. These premium aftermarket replacement multi-purpose wire connectors are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Connectors allow for more efficient, less costly wiring harness repairs on all GM vehicles
  • Protective outer coverings protect against even the toughest conditions
  • Provides the performance and dependability you expect from ACDelco
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Delphi – Ignition Coil (Part No.GN10189)

Ignition Coil

from

$69.99
Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
  • Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
  • We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
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Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1475)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

from

$25.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Built by IATF 16949 certified manufacturers for consistent durability
  • Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
  • Segmented secondary bobbins to distribute high voltage and prevent shorting
  • Extensive design validation testing to ensure long-lasting reliability
  • 100% end-of-line tested to ensure proper performance
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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GM Genuine Parts – Ignition Coil Housing (Part No.19166100)

Ignition Coil Housing

from

$78.99
GM Genuine Parts Ignition Coil Covers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Delphi – Ignition Coil Housing (Part No.GN10162)

Ignition Coil Housing

from

$89.99
Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • OE quality replacement parts for the right fit, form and function
  • Delphi OE technology ignition products are validated to match the vehicles system
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Accel – Universal Fit 300+ Race Spark Plug Wire Set (Part No.7040)

Universal Fit 300+ Race Spark Plug Wire Set

from

$176.99
The oversized 8.8mm wire features a double silicone construction rated at over 600 F and 60kV. High gloss black silicone wire jacket not only looks great, but resists heat extremes, petrochemicals, ozone and moisture better than so-called blended materials for greater durability and longer life. High-density, high-temperature silicone insulation provides greater dielectric strength and eliminates arcing and the effects of corona better than typical OE style rubber materials. All-Kevlar stranded inner core and fiberglass braiding add greater pull strength and terminal retention. Stainless steel and brass terminals provide unsurpassed electrical conductivity and excellent corrosion resistance compared to terminals made of common or plated metals.

Product Features:
  • 150 Ohms/ft Of Resistance
  • 600 F Rated Silicone Jacket
  • Stainless Steel Plug Terminals
  • Custom-fit Universal And Import Coverage
  • Pre And Post HEI Vehicles
  • Spiral-Wound Copper/Nickel Alloy
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Accel – Wire:X9000 Ls Ceramic 180 11In-Black (Part No.9059CK)

Wire:X9000 Ls Ceramic 180 11In-Black

from

$164.99
ACCEL now offers the cure for burnt spark plug boots with Extreme 9000 Ceramic wire kits. The 8mm Ferro-Spiral core wire now has ceramic boots on the spark plug end of the wires. Ceramic boots withstand up to 2,000 degrees. Great for running headers with close tolerances, an engine bay with little room, or an RV with boots that melt because of heat. Ultra high-temperature double silicone construction wire rated at 600 degrees Fahrenheit peak. 500 ohms/ft Ferro-Spiral core developed for performance use. Excellent energy delivery to the spark plugs, while providing the highest level of RFI/EMI suppression. Stainless steel spark plug terminals for maximum spark energy to the plugs. Pre-made to factory lengths for a perfect fit. In addition to 1997-2015 Gen 3/4 LS, also a direct fit for Gen V GM engines: 2015-2016 Cadillac Escalade 6.2L 2016 Chevrolet Camaro 6.2L 2014-2016 Chevrolet Corvette 6.2L 2015-2016 Chevrolet Corvette Z06 6.2L 2014-2016 Chevrolet Silverado 1500 4.3L/5.3L/6.2L 2015-2016 Chevrolet Suburban 5.3L 2015-2016 Chevrolet Tahoe 5.3L 2014-2016 GMC Sierra 1500 4.3L/5.3L/6.2L 2015-2016 GMC Yukon 5.3L/6.2L

Product Features:
  • Total length= 12″
  • Straight Spark Plug Boot
  • Black Ceramic boots withstand up to 2,000░ Fahrenheit
  • Black Ceramic boots withstand up to 2,000° Fahrenheit
  • 8mm double silicone construction black wire rated at 600░ F rated
  • 8mm double silicone construction black wire rated at 600° F rated
  • 500 Ohms/foot ferro sprial core offers the highest level of RFI/EMI suppression
  • Stainless Steel Plug Terminals
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Carquest Premium – Spark Plug Wire Set (Part No.35-6143)

Spark Plug Wire Set

from

$35.99
CARQUEST Premium Spark Plug Wire Sets are engineered to restore ignition wire reliability and performance. They are designed to meet or exceed OE design requirements, performance, fit, form and function of the OE wire. Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.

Product Features:
  • SAEJ2031 Class E cable resist heat (428 Deg. F), cold (-104 Deg. F), electrical interference, abrasion and oil.
  • Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
  • 100% Pure silicone external insulation resists oil penetration, for lifetime protection against wire set failure.
  • EPDM inner insulation stops power-robbing voltage leaks.
  • With Magnetic-impregnated Kevlar internal conductors – durable and break resistant
  • Engineered to meet OEM tolerances using variable pitch wire winding, creating better resistance to electric magnetic interference (E.M.I resistance).
  • Excellent interference suppression and consistent performance
  • Easy lock terminals for more convenient installation.
  • Thick silicon outer jacket for excellent heat resistance. Insulating EPDM based compound inner jacket helps minimize voltage drop and enhance durability.
  • Broad coverage available for most vehicles on the road today
  • Include grease pack to ensure easy installation and removal
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NGK – NGK Wire Set (Part No.51372)

NGK Wire Set

from

$35.99
NGK ultra-low resistance mag core wire sets provide outstanding performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. Stainless steel winding

Product Features:
  • PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
  • BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees C, inner insulation EPDM or silicone for best dielectric strength
  • STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
  • CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier
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Carquest Premium – Spark Plug Wire Set: 8 Wires, Increased performance, Designed for direct fit (Part No.35-8126)

Spark Plug Wire Set: 8 Wires, Increased performance, Designed for direct fit

from

$39.99
Product Features:
  • SAEJ2031 Class E cable resist heat (428 Deg. F), cold (-104 Deg. F), electrical interference, abrasion and oil.
  • Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
  • 100% Pure silicone external insulation resists oil penetration, for lifetime protection against wire set failure.
  • EPDM inner insulation stops power-robbing voltage leaks.
  • With Magnetic-impregnated Kevlar internal conductors – durable and break resistant
  • Engineered to meet OEM tolerances using variable pitch wire winding, creating better resistance to electric magnetic interference (E.M.I resistance).
  • Excellent interference suppression and consistent performance
  • Easy lock terminals for more convenient installation.
  • Thick silicon outer jacket for excellent heat resistance. Insulating EPDM based compound inner jacket helps minimize voltage drop and enhance durability.
  • Broad coverage available for most vehicles on the road today
  • Include grease pack to ensure easy installation and removal
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1990 Pontiac Grand Prix Ignition and Tune-Up Products

You count on your 1990 Pontiac Grand Prix 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 Ignition and Tune-Up Products. With 115 Ignition and Tune-Up Products ranging in price from $2.05 to $317.93, you’re sure to find everything you need for your 1990 Pontiac Grand Prix.

Brands matter. If you want to shop a specific Ignition and Tune-Up Products brand, we stock 16 different brands like Autolite, ACDelco, and E3. 1990 Pontiac Grand Prix Ignition and Tune-Up Products start as low as $2.05!

One of the best ways to find top quality OEM or aftermarket Ignition and Tune-Up Products is by asking professionals. Short of that, you can shop with confidence thanks to our 4,092 extensive product reviews on 1990 Pontiac Grand Prix Ignition and Tune-Up Products. Some of the top-rated Ignition and Tune-Up Products products we carry are DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.3 stars and Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition with 4.6 stars.

Did we mention you can order your Ignition and Tune-Up Products 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 Ignition and Tune-Up Products inventory for your 1990 Pontiac Grand Prix below to get started!

Top-Rated Ignition and Tune-Up Products Brands For Your 1990 Pontiac Grand Prix

Trusted Ignition and Tune-Up Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1990 Pontiac Grand Prix running right for years to come. In our inventory you’ll find brands like Autolite, ACDelco, E3, and even more.

Popular Carquest Premium Ignition and Tune-Up Products

You’ll find popular Carquest Premium brand products across Ignition Boots. All are waiting to get your 1990 Pontiac Grand Prix back on the road. Some of the top-rated Carquest Premium products in these categories are:

Top-Rated Autolite Ignition and Tune-Up Products


If Autolite are what you’re looking for, our inventory holds plenty. We stock Autolite brand Ignition and Tune-Up Products for your 1990 Pontiac Grand Prix, and some of our most reviewed Autolite parts include:

FAQs for 1990 Pontiac Grand Prix Ignition and Tune-Up Products

What are the most purchased Ignition and Tune-Up Products for the 1990 Pontiac Grand Prix?

Out of 115 Ignition and Tune-Up Products for the 1990 Pontiac Grand Prix, the most popular in our inventory are:
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
from $9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
from $9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs

What are the top-rated 1990 Pontiac Grand Prix Ignition and Tune-Up Products?

Top-rated Ignition and Tune-Up Products for your 1990 Pontiac Grand Prix based on customer reviews/ratings are:
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
from $6.99
(188)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“Gain hp with e3”
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
from $3.99
(105)
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
“Perfect fit! Excellent product.”