1. Car & Truck Ignition Kits Items
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  3. MAC AUTO 157598

MAC AUTO PARTS 157598 Ignition Coil Iridium Spark Plug Gm 50015 A.c 4.2

fits model: Envoy, Trailblazer. year: 2002–2005.

157598 Mac Auto Parts Ignition Coil And A.c Iridium Spark Plug 2002-2005 For Gm Envoy Trailblazer 4.2

( Brand: Mac Auto Parts ), ( Part Type: Ignition Spark Coil Plug ), ( Manufacturer Part Number: 157598 ), ( Manufacturer Warranty: 2 Years ), ( Universal Fitment: Direct Replacement ), ( Ipn: 50015 Uf303 7805-1214 ), ( Custom Bundle: No )

Review MAC AUTO PARTS Ignition Coil And.c Iridium Spark Plug Gm 4.2 fits ENVOY TRAILBLAZER 2002–2005

Mac Auto Parts 157598 Iridium Spark Plug for GM Envoy and Trailblazer 4.2L (2002-2005)

Description:

Introducing the Mac Auto Parts 157598 Iridium Spark Plug, a premium replacement option engineered specifically for the GM Envoy and Trailblazer models with a 4.2L engine, manufactured between the years 2002 and 2005. This spark plug is designed to deliver superior performance, longevity, and reliability to keep your vehicle running at its best.

The iridium construction of these spark plugs offers several advantages over traditional copper plugs. Iridium is a noble metal with high melting and boiling points, making it highly resistant to wear and corrosion. This results in a longer lifespan and improved ignition efficiency, leading to a smoother engine operation and better fuel economy.

Additionally, the Mac Auto Parts 157598 Iridium Spark Plug features a state-of-the-art, compact design that provides a more reliable ignition system. The narrower gap between the electrodes ensures a more consistent and stable spark, which in turn improves combustion efficiency and helps reduce engine knocking.

This spark plug comes with a heat range that is optimally designed for the 4.2L engines in the GM Envoy and Trailblazer. The proper heat range ensures that the spark plug remains at the ideal temperature to provide optimal performance and longevity.

In summary, the Mac Auto Parts 157598 Iridium Spark Plug is an exceptional choice for drivers seeking to enhance the performance, efficiency, and reliability of their GM Envoy or Trailblazer with a 4.2L engine (2002-2005). By providing superior ignition efficiency, durability, and a precise fit, these spark plugs offer a cost-effective upgrade that can lead to a noticeable improvement in overall vehicle performance.

Buying a MAC Auto Parts 157598 Iridium Spark Plug for a 2002-2005 GM Envoy/Trailblazer 4.2: Pros, Cons, and Conclusion

The MAC Auto Parts 157598 Iridium Spark Plug is a popular choice for many GM vehicle owners, particularly those with Envoy or Trailblazer models from the 2002 to 2005 production years that utilize the 4.2-liter engine. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this spark plug.

Pros:

1. Iridium Construction: The primary advantage of this spark plug is its iridium construction. Iridium is a more durable material than traditional copper or platinum spark plugs. This results in longer lifespan, improved performance, and reduced misfires.

2. Improved Fuel Efficiency: The iridium spark plug can contribute to better fuel economy as it facilitates a more efficient combustion process.

3. Enhanced Engine Performance: With a more efficient combustion process, your engine runs smoother and more powerful, ensuring a better driving experience.

4. OEM Replacement: This spark plug is an Original Equipment Manufacturer (OEM) replacement, meaning it is specifically designed for your GM vehicle, ensuring a perfect fit and reliable performance.

Cons:

1. Higher Cost: Iridium spark plugs, in general, tend to be more expensive than their copper or platinum counterparts. This may deter some buyers due to the perceived added cost without an immediate noticeable difference.

2. Potential Installation Challenges: Installing an iridium spark plug may require specific tools or a professional mechanic, adding to the overall cost of the replacement.

3. Potential Replacement Frequency: Although iridium spark plugs have a longer lifespan than their counterparts, they may still need to be replaced more frequently than some other types of spark plugs.

Conclusion:

The MAC Auto Parts 157598 Iridium Spark Plug offers several advantages, such as improved performance, fuel efficiency, and durability. However, it comes with a higher cost and potential installation challenges. Ultimately, if you value engine performance and longevity, this spark plug is a worthwhile investment. If you are budget-conscious and prefer a more cost-effective option, you may want to consider other types of spark plugs.

Recommendation:

For those who prioritize engine performance and longevity, the MAC Auto Parts 157598 Iridium Spark Plug is a solid choice. If you are budget-conscious, you may want to explore copper or platinum spark plugs as alternatives. Regardless of your choice, always ensure you are purchasing the correct spark plug for your specific GM vehicle model and engine.

Details:

Ignition Coil.C Iridium Spark Plug 2002 2005 For GM Envoy Trailblazer 4.2: PREMIUM BRAND 100% ALL NEW. Replacement Parts For Buick Rainier 2004 -2005. Replacement Parts For GMC Canyon 2004 -2006. It will fit the following years and model's.

Merchandise MUST be in new condition. Trailblazer 2002 2005 4.2L 6 per Vehicle. This is a Brand New Tested Ignition Coil. Part must be new, uninstalled, in original box.

specifications sparkystooge:

  • for models: Envoy, Trailblazer
  • for years: 2002-2005
  • brand: Mac Auto Parts
  • part type: Ignition Spark Coil Plug
  • manufacturer part number: 157598
  • manufacturer warranty: 2 Years
  • universal fitment: Direct Replacement
  • interchange part number: 50015 UF303 7805-1214
  • custom bundle: No

offer sparkystooge:

  • availability: In Stock
  • options: Ship-to-home
  • started: May 16, 2026
  • sold: 0

general sparkystooge:

  • Car Truck Parts Accessories > Ignition Systems Components > Ignition Coils
  • condition: New

returns sparkystooge:

  • time: 60 Days
  • paid by: Seller
  • policy: Returns Accepted

seller sparkystooge:

  • # reviews: 196625
  • city: Port Chester, New York
  • rating: 99.5%

shipping sparkystooge:

  • type: Fixed
  • class: Expedited
  • transit: 4-7 Days
  • cost: $0.00
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payments sparkystooge:

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for models: envoy, trailblazer, for years: 2002-2005, part type: ignition spark coil plug, manufacturer warranty: 2 years, universal fitment: direct replacement, custom bundle: no,
category: auto parts > car truck parts accessories > ignition systems components > ignition coils, sku: 11716839889772602,

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