1989 Ford Aerostar Spark Plugs

Essential 1989 Ford Aerostar Spark Plugs

Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP104)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
See More

Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP105)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers unmatched reliability. Designed and engineered in the USA, these spark plugs feature a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion for extended life. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs. The tapered seat type further enhances performance and durability.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
  • Improved Fuel Economy: Designed to enhance fuel efficiency compared to standard spark plugs.
  • Tapered Seat Type: Enhances performance and durability for a longer-lasting spark plug.
See More

Motorcraft – Spark Plug (AGSF22FM) (Part No.SP-500)

Spark Plug (AGSF22FM)

from

$7.49
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
See More

Motorcraft – Spark Plug (Part No.SP-486-X)

Spark Plug

from

$7.29
The Motorcraft Spark Plug is a high-quality replacement spark plug designed to provide reliable performance and long-lasting durability for your vehicle. It features a nickel alloy electrode that provides superior wear resistance and a platinum tip that ensures consistent performance over the life of the plug. The Motorcraft Spark Plug also has a ribbed insulator design that helps prevent misfires and a copper core that provides efficient heat transfer. It is designed to meet or exceed OEM specifications and is compatible with a wide range of vehicles. Whether you’re looking to replace worn-out spark plugs or upgrade to a higher-quality option, the Motorcraft Spark Plug is an excellent choice that will help keep your engine running smoothly and efficiently.
See More

NGK – G-Power Spark Plug: Single Platinum Tip Design, TR5GP (Part No.3186)

G-Power Spark Plug: Single Platinum Tip Design, TR5GP

from

$6.29
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Tapered Seat Type: The tapered seat type ensures a secure fit and optimal performance in compatible vehicles.
See More

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC (Part No.401)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC

from

$2.99
Dependable Performance, OE Replacement, RS12YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and tapered seat type further enhance its reliability, making it an excellent choice for maintaining your engine’s efficiency.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
  • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug enhances reliability and ensures optimal engine performance.
See More

Motorcraft – Spark Plug (AGSF32CA) (Part No.SP-447-A)

Spark Plug (AGSF32CA)

from

$4.79
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spa

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
See More

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16 (Part No.5325)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16

from

$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000° Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
See More

Motorcraft – Double Platinum Spark Plug: Enhances Durability & Reduces Misfires (Part No.SP-486)

Double Platinum Spark Plug: Enhances Durability & Reduces Misfires

from

$7.29
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. With a platinum center and ground electrode tip, they are resistant to oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator protects against misfire, and they are backed by Motorcraft’s Service Parts Warranty. Designed for exact fit in Ford, Lincoln, and Mercury vehicles, they also help prevent false check engine lights. With service intervals of up to 100,000 miles, Motorcraft Spark Plugs are crafted from high-quality materials to deliver reliable performance for almost any application, making them the same components that were in the vehicle when it was manufactured.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • Enhanced Durability: Engineered with a platinum center and ground electrode tip, these spark plugs are resistant to oxidation and arc erosion, ensuring long-lasting performance.
See More

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS14LC (Part No.407)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS14LC

from

$2.49
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
See More

Motorcraft – Spark Plug: 30,000-Mile Interval & RFI Reduction (Part No.SP-419)

Spark Plug: 30,000-Mile Interval & RFI Reduction

from

$2.99
Motorcraft Spark Plug with 30,000-Mile Interval and RFI Reduction is designed, engineered, and recommended by Ford Motor Company. This spark plug is the same part installed when the engine rolled off the assembly line, ensuring OEM quality. It features a copper core electrode and a nickel chromium alloy side electrode for excellent heat dissipation and durability. The resistor reduces radio frequency interference (RFI) and electrode erosion, while the copper-glass seal bonds the insulator and terminal post center electrode together, ensuring full required voltage at the spark gap and a gas-tight seal. With a 30,000-mile service interval and a tapered seat type, this spark plug offers reliable performance and longevity.

Product Features:
  • Same part installed when the engine rolled off the assembly line
  • 30,000-mile service interval
  • Copper core electrode and nickel chromium alloy side electrode for excellent heat dissipation and durability.
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Copper-glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap and a gas-tight seal
  • OEM Quality Assurance: Designed, engineered, and recommended by Ford Motor Company, this spark plug is the same part installed when the engine rolled off the assembly line, ensuring original equipment manufacturer (OEM) quality.
See More

Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42008)

Spark Plug Non-Foulers - 14mm Tapered Seat

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
See More

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS14YC6 (Part No.13)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS14YC6

from

$2.99
This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and tapered seat type further enhance its reliability, making it a top choice for maintaining your engine’s efficiency.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Nickel Center Electrode Tip: Equipped with a nickel center electrode tip, this spark plug offers superior durability and reliable performance, making it a dependable choice for maintaining engine efficiency.
  • Tapered Seat Type: The tapered seat type design of the Champion Copper Plus Spark Plug ensures a secure fit and optimal performance, contributing to the overall reliability of your engine.
  • OE Replacement: Designed as an OE replacement, the Champion Copper Plus Spark Plug guarantees dependable performance and durability, making it an ideal choice for maintaining your vehicle’s engine.
See More

ACDelco – Double Platinum Spark Plug (Part No.41-812)

Double Platinum Spark Plug

from

$9.79
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
See More

Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP605)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
See More

Motorcraft – Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-409)

Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption

from

$2.49
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for optimal performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to ensure reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, making them a dependable choice for both domestic and import cars and trucks of all makes and sizes.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • Enhanced Durability: Engineered to meet strict Ford engineering standards, these spark plugs are designed to provide long-lasting performance and withstand harsh conditions.
See More

Motorcraft – Spark Plug (AGSF32FM) (Part No.SP-432)

Spark Plug (AGSF32FM)

from

$6.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spa

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
See More

Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS14PYPB5 (Part No.7940)

Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS14PYPB5

from

$6.29
Champion® Double Platinum Power spark plugs deliver more powerful performance with their premium design. Featuring a platinum center and ground electrode, these spark plugs offer greater wear resistance and maintain a stable operating temperature under all engine loads. The fine-wire center electrode ensures greater ignitability, while the V-trimmed ground electrode promotes sharper spark focus. The exclusive Heat-Active alloy allows the electrodes to reach optimal temperature, ensuring maximum life and performance.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • OE Replacement: Designed as an original equipment replacement, ensuring compatibility and reliable performance for your vehicle.
See More

ACDelco – RAPIDFIRE Premium Platinum Tip Copper Core Spark Plug: Reduces Misfires & Enhances Durability (Part No.14)

RAPIDFIRE Premium Platinum Tip Copper Core Spark Plug: Reduces Misfires & Enhances Durability

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.
  • Improved Plug to Boot Seal: Designed with an improved plug to boot seal, these spark plugs provide a secure fit, enhancing overall engine performance and longevity.
See More

Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RS14WLPB5 (Part No.9402)

Iridium Spark Plug: Maximum Performance, OE Replacement, RS14WLPB5

from

$8.29
Champion Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
See More

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT20TT (Part No.4714)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT20TT

from

$10.99
Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Withstands temperatures greater than 4000° Fahrenheit
  • Iridium TT
See More

Autolite – Double Platinum Spark Plug (Part No.APP765)

Double Platinum Spark Plug

from

$5.99
Double Platinum Spark Plug

Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.2545)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Quick Starts: Autolite Copper Core spark plugs are engineered to ensure your engine starts quickly and efficiently.
  • Good Fuel Economy: Designed to optimize fuel consumption, these spark plugs help you achieve better mileage.
  • Smooth Acceleration: Experience smoother and more responsive acceleration with Autolite Copper Core spark plugs.
  • OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring reliable performance.
  • Tapered Seat Type: Featuring a tapered seat type, these spark plugs provide a secure fit and optimal performance.
See More

DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16EPR-L13 (Part No.5070)

Double Platinum Spark Plug:  OE Performance, lasts 60K+ Miles, PT16EPR-L13

from

$9.99
Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:
  • OE grade platinum on both center and ground electrods
  • Premium shell construction with machine-rolled threads
  • Superior thermal conductivity
  • Sustained spark performance over 60,000 miles
  • Reduced secondary required voltage, increased ignition efficiency
  • Satisfied customers, reduced shop comebacks
  • Double Platinum
See More

NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, TR55IX (Part No.7164)

Iridium IX Spark Plug: Single Iridium Fine Wire, TR55IX

from

$11.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered c

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
See More

Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RS12WYPB4 (Part No.9204)

Iridium Spark Plug: Maximum Performance, OE Replacement, RS12WYPB4

from

$7.99
Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active┐ alloy allows electrodes to reach optimal temperature quickly
See More

Motorcraft – Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-413)

Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption

from

$4.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. Backed by Motorcraft’s Service Parts Warranty, they are an exact fit for Ford, Lincoln, and Mercury vehicles and are resistant to oxidation and arc erosion. The multi-rib insulator protects against misfire, and they offer service intervals of up to 100,000 miles. Designed with high-quality materials, Motorcraft Spark Plugs provide reliable performance for almost any application and help prevent false check engine lights. With copper center and ground electrode tips, these spark plugs ensure your vehicle runs as it did when it was first manufactured.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • Reduces Fuel Consumption: Specifically matched to engines to optimize fuel efficiency, helping you save on fuel costs.
See More

NGK – G-Power Spark Plug: Single Platinum Tip Design, TR55GP (Part No.3403)

G-Power Spark Plug: Single Platinum Tip Design, TR55GP

from

$5.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Improved Fuel Efficiency: Designed to offer better fuel efficiency, the NGK G-Power Platinum spark plugs help you save on fuel costs.
  • Lower Emissions: These spark plugs contribute to lower emissions, making them an environmentally friendly choice.
  • Faster Starts and Quicker Acceleration: Experience faster starts and quicker acceleration with the advanced design of the NGK G-Power Platinum spark plugs.
See More

1989 Ford Aerostar Spark Plugs

Maybe you’re in the middle of a full rebuild of that 1989 Ford Aerostar. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 28 different Spark Plugs in our inventory ranging from $2.99 to $18.99. That means you can find the exact parts or products you need to keep that 1989 Ford Aerostar running smoothly.

Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1989 Ford Aerostar. NGK, Autolite, and Motorcraft are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Spark Plugs for your 1989 Ford Aerostar, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,426 reviews in this category, some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.0 stars and Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life with 4.8 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 1989 Ford Aerostar rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Spark Plugs Brands To Make Your 1989 Ford Aerostar Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1989 Ford Aerostar demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Aerostar the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

Popular Dorman – Help Spark Plugs

We carry Dorman – Help parts in our stock across Spark Plugs categories, plus more. For a 1989 Ford Aerostar, our most popular Dorman – Help Spark Plugs include:

FAQs for 1989 Ford Aerostar Spark Plugs

What are the most purchased Spark Plugs for the 1989 Ford Aerostar?

Out of 28 Spark Plugs for the 1989 Ford Aerostar, the most popular in our inventory are:

What are the top-rated 1989 Ford Aerostar Spark Plugs?

Top-rated Spark Plugs for your 1989 Ford Aerostar based on customer reviews/ratings are:
PT16TT Platinum TT Spark Plug
from $5.99
(90)
PT16TT Platinum TT Spark Plug
“On line”