10 Best Hummer H2 Spark Plug Wires: Boost Engine Power

What are the best Hummer H2 spark plug wires?
Discover top options like the ACDelco 9748HH from real users who love the great fit, strong sparks, and easy fixes for rough idles.

Upgrade your Hummer H2 with top spark plug wires. These wires boost engine power and run smooth. Pick the best ones for a fun ride.

Users say the ACDelco 9748HH wires fit great and spark strong. One driver fixed rough idles and loves the quick setup. Trust our guide to pick perfect wires.

Dive deeper for more tips on what works best. Get your engine roaring with ease now.

List of Top 10 Hummer H2 Spark Plug Wires

Image Title Best For Price
ACDelco Professional 9748HH Spark Plug Wire Set, 8 count (Pack of 1) ACDelco Professional 9748HH Spark Plug Wire Set, 8 count (Pack of 1)

This set is perfect for mechanics and DIY car owners who want reliable engine performance. It gives strong spark delivery, a tight water seal, and long-lasting corrosion resistance for easy, worry-free installs.

Sixity Auto NGK Spark Plug Wire Set Compatible with Hummer H2 6.0L V8 2003-2007 - 10.5 Sixity Auto NGK Spark Plug Wire Set Compatible with Hummer H2 6.0L V8 2003-2007 – 10.5″ Leads

This set is perfect for Hummer H2 owners with the 6.0L V8 from 2003–2007. It is ideal for anyone who wants genuine NGK parts, a direct replacement, and original packaging and hardware for an easy, reliable install.

NewYall Pack of 8 10.5mm Spark Plug Wires for Cadillac Escalade Hummer H2 Pontiac G8 Chevrolet Avalanche Camaro Colorado Impala P30 Silverado Suburban Tahoe Trailblazer GMC Canyon Savana Yukon NewYall Pack of 8 10.5mm Spark Plug Wires for Cadillac Escalade Hummer H2 Pontiac G8 Chevrolet Avalanche Camaro Colorado Impala P30 Silverado Suburban Tahoe Trailblazer GMC Canyon Savana Yukon

This pack is perfect for drivers of Cadillac Escalade, Hummer H2, Pontiac G8, Chevrolet Avalanche, Camaro, Colorado, Impala, P30, Silverado, Suburban, Tahoe, Trailblazer, GMC Canyon, Savana, Sierra, Yukon, and Yukon XL who want easy replacements for their spark plug wires.

JDMSPEED High Performance Spark Plug Ignition Wire for 2000-2009 Chevy GMC V8 JDMSPEED High Performance Spark Plug Ignition Wire for 2000-2009 Chevy GMC V8

This JDMSPEED High Performance Spark Plug Ignition Wire is perfect for owners of 2000-2009 Chevy GMC V8 vehicles. It helps boost spark power, reliability, and engine performance.

48322R 10.2MM High Performance Spark Plug Wires for Chevy Silverado Avalanche Tahoe Suburban/GMC Yukon Sierra/Cadillac Escalade/Hummer H2 Replaces# 88862397 748UU 748HH 748EE 12192133 9748UU 9748EE 48322R 10.2MM High Performance Spark Plug Wires for Chevy Silverado Avalanche Tahoe Suburban/GMC Yukon Sierra/Cadillac Escalade/Hummer H2 Replaces# 88862397 748UU 748HH 748EE 12192133 9748UU 9748EE

Truck owners who drive Chevy Silverado, GMC Sierra, or other big SUVs need high-performance spark plug wires. These wires are perfect for you if you want smoother rides and more power from your engine.

Vkinman 10.2MM Spark Plug Ignition Wire - Replacement for 2000-2009 Chevy, GMC, Isuzu, Hummer V8 (48322R, 48322, 7831) Vkinman 10.2MM Spark Plug Ignition Wire – Replacement for 2000-2009 Chevy, GMC, Isuzu, Hummer V8 (48322R, 48322, 7831)

This product is perfect for car owners who drive 2000-2009 Chevy, GMC, Isuzu, or Hummer V8 trucks and SUVs. It fits great for anyone needing a quick, ready-to-install upgrade for their vehicle’s ignition system.

ACDelco GM Original Equipment 349V Spark Plug Wire , Black ACDelco GM Original Equipment 349V Spark Plug Wire , Black

This spark plug wire is perfect for car owners who have GM vehicles and want a strong, reliable part that fits just right and resists heat, cold, and noise.
It’s also great for mechanics needing a durable wire with top conductivity to keep engines running smooth.

ENA Set of 8 Square Ignition Coil 8 Platinum Spark Plug and Red Wire Set Compatible with Chevrolet Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L for UF271 748EE 41962 ENA Set of 8 Square Ignition Coil 8 Platinum Spark Plug and Red Wire Set Compatible with Chevrolet Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L for UF271 748EE 41962

This product is perfect for owners of Chevy Avalanche, GMC Sierra, and Hummer H2 trucks. It fits models from 1999 to 2006 with 4.8L, 5.3L, and 6.0L engines that need reliable ignition parts.

ACDelco Gold 9748GG (88862397) Spark Plug Wire Set ACDelco Gold 9748GG (88862397) Spark Plug Wire Set

Is your engine running rough? The ACDelco Gold Spark Plug Wire Set is perfect for truck and SUV owners who want reliable performance. This set will help your engine run smoothly and efficiently, like it should.

GBTAD Set of 8 Square Ignition Coil Pack and Spark Plug Wire Harness for Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L Replaces UF271 748EE 41962 GBTAD Set of 8 Square Ignition Coil Pack and Spark Plug Wire Harness for Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L Replaces UF271 748EE 41962

This set is perfect for owners and DIY drivers of 1999–2007 Chevy, GMC, Hummer, Avalanche, Suburban, Tahoe, Sierra, Savana, Yukon, or Cadillac Escalade models with 4.8L, 5.3L, or 6.0L V8 engines. It is ideal for anyone who wants reliable ignition, fewer misfires, and better fuel economy with an easy install.

Detailed Reviews

You’ll find the top 10 Hummer H2 spark plug wires right here, picked by experts using real customer reviews to ensure top quality. Each set gets a full review highlighting its strong features, reliable performance, and great value for your truck. Pick the right one to boost your engine and ride smooth today.

1. ACDelco Professional 9748HH Spark Plug Wire Set, 8 count (Pack of 1)

ACDelco Professional 9748HH Spark Plug Wire Set, 8 count (Pack of 1)

ACDelco Professional 9748HH Spark Plug Wire Set has 8 wires. They fit well and deliver strong spark. It protects the ignition system.

Boot shape and materials provide a proper fit and easy installation. They also give a water tight seal for reliability.

Terminal design improves spark plug retention and makes installation smooth, with good corrosion resistance. Insulator uses high dielectric materials, and the coil retainer helps prevent fretting and micro arcing.

Pros Cons
  • Delivers maximum spark for powerful ignition.
  • Fits perfectly with water-tight seal.
  • Holds plugs tight with corrosion resistance.
  • Blocks electrical leaks with durable insulator.
  • Stops wear and sparks with coil retainer.
  • Pricey upgrade for basic repairs.
  • Needs proper tools for fitting.
  • May not fit all car types.

Perfect For:

This set is perfect for mechanics and DIY car owners who want reliable engine performance. It gives strong spark delivery, a tight water seal, and long-lasting corrosion resistance for easy, worry-free installs.

Ready to Purchase?

2. Sixity Auto NGK Spark Plug Wire Set Compatible with Hummer H2 6.0L V8 2003-2007 – 10.5″ Leads

Sixity Auto NGK Spark Plug Wire Set Compatible with Hummer H2 6.0L V8 2003-2007 - 10.5

Upgrade your Hummer H2 with this NGK Spark Plug Wire Set. It fits perfectly with 2003 to 2007 models that have a 6.0L V8 engine.

This set comes with genuine NGK parts and includes original packaging plus hardware. It is a direct replacement for your auto parts.

Check vehicle fitment with Amazon Confirmed Fit. Buy now to keep your engine running smooth. Install is easy and fast.

Pros Cons
  • Genuine NGK parts ensure top quality for your engine.
  • Fits Hummer H2 models from 2003 to 2007 perfectly.
  • Comes with original packaging and needed hardware.
  • Serves as a direct swap for old parts.
  • Amazon confirms
    the fit for easy installation.
  • Higher price compared to generic brands.
  • Requires basic mechanical skills for installation.
  • May wear out sooner under extreme driving.

Perfect For:

This set is perfect for Hummer H2 owners with the 6.0L V8 from 2003–2007. It is ideal for anyone who wants genuine NGK parts, a direct replacement, and original packaging and hardware for an easy, reliable install.

Ready to Purchase?

3. NewYall Pack of 8 10.5mm Spark Plug Wires for Cadillac Escalade Hummer H2 Pontiac G8 Chevrolet Avalanche Camaro Colorado Impala P30 Silverado Suburban Tahoe Trailblazer GMC Canyon Savana Yukon

NewYall Pack of 8 10.5mm Spark Plug Wires for Cadillac Escalade Hummer H2 Pontiac G8 Chevrolet Avalanche Camaro Colorado Impala P30 Silverado Suburban Tahoe Trailblazer GMC Canyon Savana Yukon

Ready to boost your engine’s power? These spark plug wires will do the job. They’re made for select Cadillac, Chevy, GMC, Hummer, and Pontiac models. Get ready for better performance now!

This is a pack of eight wires. They are all 10.5mm thick.

Don’t wait on this great deal! These wires ensure a strong spark every time. Upgrade your ride today for a smoother drive!

Pros Cons
  • Fits perfectly for many GM vehicles.
  • Boosts engine performance with ease.
  • Durable 10.5mm wires last long.
  • Pack of 8 saves you money.
  • Improves ignition for smoother rides.
  • Spark plug wires might wear out quicker than original ones.
  • Fits only listed vehicle models, not all trucks.
  • Could need extra tools for proper setup.

Perfect For:

This pack is perfect for drivers of Cadillac Escalade, Hummer H2, Pontiac G8, Chevrolet Avalanche, Camaro, Colorado, Impala, P30, Silverado, Suburban, Tahoe, Trailblazer, GMC Canyon, Savana, Sierra, Yukon, and Yukon XL who want easy replacements for their spark plug wires.

Ready to Purchase?

4. JDMSPEED High Performance Spark Plug Ignition Wire for 2000-2009 Chevy GMC V8

JDMSPEED High Performance Spark Plug Ignition Wire for 2000-2009 Chevy GMC V8

Get ready to ignite your engine with the JDMSPEED High Performance Spark Plug Ignition Wire! This wire is made for 2000-2009 Chevy GMC V8 models. It is built to give you the best performance.

The 10.2mm Spiral Wound Design is a great feature. It also has an UltraLow Resistance KEVLAR Core. This means it’s made for strength and high temperatures.

You’ll get a one-year warranty with this product. This wire is a direct replacement for part numbers like 48322R and 2000208.

Pros Cons
  • 100% new parts mean lasting quality.
  • Spiral design gives better engine power.
  • One year warranty brings peace of mind.
  • KEVLAR core lowers resistance for faster spark.
  • High temp silicone lasts in tough heat.
  • Limited to specific Chevy GMC V8 models only
  • One-year warranty may not last long enough

Perfect For:

This JDMSPEED High Performance Spark Plug Ignition Wire is perfect for owners of 2000-2009 Chevy GMC V8 vehicles. It helps boost spark power, reliability, and engine performance.

Ready to Purchase?

5. 48322R 10.2MM High Performance Spark Plug Wires for Chevy Silverado Avalanche Tahoe Suburban/GMC Yukon Sierra/Cadillac Escalade/Hummer H2 Replaces# 88862397 748UU 748HH 748EE 12192133 9748UU 9748EE

48322R 10.2MM High Performance Spark Plug Wires for Chevy Silverado Avalanche Tahoe Suburban/GMC Yukon Sierra/Cadillac Escalade/Hummer H2 Replaces# 88862397 748UU 748HH 748EE 12192133 9748UU 9748EE

Upgrade your ride with these high-performance spark plug wires. They work for many models like Chevy Silverado, GMC Yukon, Cadillac Escalade, and Hummer H2. Install them easily with the easy setup.

These wires boost engine power and fuel savings. They use top-quality materials to last long.

Get fast help if needed. We back them with a solid warranty.

Pros Cons
  • Fits many popular truck and SUV models perfectly.
  • Boosts acceleration and engine response smoothly.
  • High-quality silicone prevents leaks and heat issues.
  • Includes easy-to-use buckles for neat wiring.
  • Reliable one-year warranty backs every purchase.
  • No manual means you check guides online.
  • Might need special tools for quick setup.
  • Higher price than cheap wires.

Perfect For:

Truck owners who drive Chevy Silverado, GMC Sierra, or other big SUVs need high-performance spark plug wires. These wires are perfect for you if you want smoother rides and more power from your engine.

Ready to Purchase?

6. Vkinman 10.2MM Spark Plug Ignition Wire – Replacement for 2000-2009 Chevy, GMC, Isuzu, Hummer V8 (48322R, 48322, 7831)

Vkinman 10.2MM Spark Plug Ignition Wire - Replacement for 2000-2009 Chevy, GMC, Isuzu, Hummer V8 (48322R, 48322, 7831)

This 10.2mm spark plug wire from Vkinman replaces wires for many Chevy, GMC, Isuzu, and Hummer V8 engines from 2000 to 2009. It has a spiral wound design with ultra-low resistance, KEVLAR core, and RFI suppression for better performance. The high-strength silicone boots and sleeves make it tough and ready to install.

It fits vehicles like the Chevrolet Avalanche, Cadillac CTS, Buick Allure, and Saab 9-7x with 5.3L or 6.0L V8 engines. Check that it matches your car before you buy for the best fit.

Pros Cons
  • Easy to install right out of the box.
  • Strong and durable silicone boots last long.
  • Low resistance for better engine power.
  • Fits many Chevy, GMC, and Isuzu trucks.
  • Blocks radio noise for clean rides.
  • Fit isn’t guaranteed for all models.
  • Compatibility: Verify your car’s specs first.

Perfect For:

This product is perfect for car owners who drive 2000-2009 Chevy, GMC, Isuzu, or Hummer V8 trucks and SUVs. It fits great for anyone needing a quick, ready-to-install upgrade for their vehicle’s ignition system.

Ready to Purchase?

7. ACDelco GM Original Equipment 349V Spark Plug Wire , Black

ACDelco GM Original Equipment 349V Spark Plug Wire , Black

Upgrade your ride with the ACDelco GM Original Equipment 349V Spark Plug Wire! It’s built for strength and conductivity. Get ready for a smooth ride!

These wires are designed for a perfect fit. They also have excellent corrosion resistance.

Enjoy superior performance with EMI/RFI noise suppression. This wire is ready for any weather.

Pros Cons
  • Strong fiberglass braid boosts durability.
  • Superior conductivity powers your engine.
  • Water-tight seal keeps moisture out.
  • Easy installation with secure fit.
  • Resists heat, cold, and EMI noise.
  • Higher price than other wires.
  • Rigid fit may require extra effort.
  • Compatibility limits with some engines.

Perfect For:

This spark plug wire is perfect for car owners who have GM vehicles and want a strong, reliable part that fits just right and resists heat, cold, and noise.
It’s also great for mechanics needing a durable wire with top conductivity to keep engines running smooth.

Ready to Purchase?

8. ENA Set of 8 Square Ignition Coil 8 Platinum Spark Plug and Red Wire Set Compatible with Chevrolet Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L for UF271 748EE 41962

ENA Set of 8 Square Ignition Coil 8 Platinum Spark Plug and Red Wire Set Compatible with Chevrolet Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L for UF271 748EE 41962

This ENA kit has 8 square ignition coils. It includes 8 platinum spark plugs and red wires. It fits many GM trucks and SUVs.

Fits many GM vehicles. UF271, 748EE, 41962 are the correct part numbers.

Engineered for OEM and replacement use. Easy and quick installation. Includes a 1 Year Limited Warranty.

Pros Cons
  • Easy install for quick DIY setup.
  • Durable ignition that lasts under tough use.
  • Wide compatibility fits many Chevy GMC models.
  • Includes 8 pieces for full engine care.
  • Value pack with plugs, coils, wires.
  • Limited warranty lasts only one year.
  • Installation may need extra tools and care.
  • Not tested for all driving conditions worldwide.

Perfect For:

This product is perfect for owners of Chevy Avalanche, GMC Sierra, and Hummer H2 trucks. It fits models from 1999 to 2006 with 4.8L, 5.3L, and 6.0L engines that need reliable ignition parts.

Ready to Purchase?

9. ACDelco Gold 9748GG (88862397) Spark Plug Wire Set

ACDelco Gold 9748GG (88862397) Spark Plug Wire Set

The ACDelco Gold 9748GG Spark Plug Wire Set is a professional, premium aftermarket replacement. It delivers the performance and dependability you expect from ACDelco.

Manufactured to meet expectations for fit, form, and function. Length is 9.3 inches, outer diameter is 0.28 inches, and max wire length is 9.25 inches.

Fits many GM models. Easy to install. Built for reliability.

Pros Cons
  • Premium spark plug wire set for reliable performance.
  • Fits many Cadillac, Chevy, GMC, and Hummer models.
  • Strong terminals hold sparks well and resist rust.
  • Easy to install with exact fit and size.
  • Dependable ACDelco quality you can trust.
  • Prone to wear and tear over time.
  • Higher cost compared to basic wire sets.
  • Requires careful installation to avoid issues.

Perfect For:

Is your engine running rough? The ACDelco Gold Spark Plug Wire Set is perfect for truck and SUV owners who want reliable performance. This set will help your engine run smoothly and efficiently, like it should.

Ready to Purchase?

10. GBTAD Set of 8 Square Ignition Coil Pack and Spark Plug Wire Harness for Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L Replaces UF271 748EE 41962

GBTAD Set of 8 Square Ignition Coil Pack and Spark Plug Wire Harness for Chevy GMC Hummer Avalanche Savana 1500 2500 3500 Sierra H2 4.8L 5.3L 6.0L Replaces UF271 748EE 41962

Need a boost for your Chevy, GMC, or Hummer? This ignition coil pack and spark plug wire harness is the answer.

Get premium quality and high performance! Fix those engine problems fast. It’s easy to install, and we’re here to help.

Pros Cons
  • Compatible with popular Chevy and GMC trucks.
  • Premium quality for long-lasting performance.
  • Easy to install without extra tools.
  • Fixes ignition issues like misfires.
  • Boosts engine power by 18%.
  • Installation may require special tools and skills.
  • Not ideal for highly modified engines.
  • Warranty coverage is limited in some cases.

Perfect For:

This set is perfect for owners and DIY drivers of 1999–2007 Chevy, GMC, Hummer, Avalanche, Suburban, Tahoe, Sierra, Savana, Yukon, or Cadillac Escalade models with 4.8L, 5.3L, or 6.0L V8 engines. It is ideal for anyone who wants reliable ignition, fewer misfires, and better fuel economy with an easy install.

Ready to Purchase?

Buying Guide

Choosing the right spark plug wires can make your Hummer H2 run better in tough conditions. These wires help boost power and cut down on engine issues like rough starts.

Many users like the ACDelco 9748HH set because it stopped rough idling right after swapping them in. A driver mentioned it took only minutes to install and now their H2 feels more lively on trails. Another owner praised the Sixity Auto NGK wires for staying strong during long drives, keeping the fuel economy steady.

  • Compatibility: Check if the wires match your H2’s year and engine size. Most sets fit 2003-2007 models with 6.0L V8 engines. Always confirm part numbers for a snug fit.
  • Performance Boost: Look for wires that reduce interference and improve spark. Good ones can increase engine power and make idling smoother. Users report fewer misses in the engine.
  • Materials and Build: Pick wires with strong insulators and conductivity cores. Features like KEVLAR insides help handle heat and wear. Water-tight boots add to lasting in wet spots.
  • Ease of Installation: Go for sets with clear guides and no tools needed. Most plug right in without hassle. This saves time for busy owners.
  • Warranty and Support: Choose brands offering at least a year of cover. ACDelco and similar ones provide help if issues pop up. Good seller reviews mean easy returns.
  • Brand Reputation: Trusted names like ACDelco or NGK stand out for quality. They often have proven parts that last longer. Check user feedback for real-world trust.