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  • ACDelco 9748HH Professional Spark Plug Wire Set

ACDelco 9748HH Professional Spark Plug Wire Set

4.7 out of 5 stars (2,425)
To see product details, add this item to your cart. You can always remove it later.

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About this item

  • Wire conductor, wire length, and diameter help provide maximum spark delivery and protection
  • Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal
  • Terminal design improves spark plug retention and assists installation with excellent corrosion resistance
  • Insulator employs high dielectric materials
  • Coil retainer prevents fretting and micro-arcing
  • Strength enhancing components and thick, high temperature insulation jacket for outstanding resistance to heat, oil, and abrasion while promoting durability and protection
Report an issue with this product

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This item: ACDelco 9748HH Professional Spark Plug Wire Set
$92.21
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ACDelco 41-962 Professional Platinum Spark Plug, (8)
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Only 10 left in stock.
Sold by ABR Supply Co. and ships from 鶹 Fulfillment.
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From the manufacturer

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Maintenance Tips and FAQ

  • Before purchasing and installing a socket assembly, make sure it’s the correct size and fit for your vehicle.
  • Are all bulb sockets the same? No. Some sockets have more contacts than others, depending on their function.
  • Is there a reason there’s grease in my old socket? Yes. It’s dielectric grease, which is designed to keep water out to protect the contacts from corrosion.
  • Does the ABS wheel-speed sensor harness need to be replaced when the sensor is replaced? No. The harness only needs to be replaced if it’s worn or cracked, or if the wire insulation is damaged.
  • Is an illuminated ABS light a possible sign of a malfunctioning wire harness? Yes. Your vehicle’s ABS light may illuminate for several reasons, and one potential cause is a malfunctioning wire harness.
  • Do all vehicles have ignition coil wires? No. Whether your vehicle has an ignition coil wire depends on the type of ignition system in your vehicle.
  • Are all ignition coil wires the same? No. Ignition coil wires come in different lengths with different boots at the ends.
  • Is the vapor canister vent solenoid harness weather-resistant? Yes. The harness helps protect the wires and pin connections from the elements.
  • Can a vent solenoid stick? Yes. A vent solenoid can stick open or closed, which may cause the Check Engine light to illuminate.

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Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 9.65 x 25.4 x 15.24 cm; 508.02 g
  • Manufacturer ‏ : ‎ ACDelco
  • ASIN ‏ : ‎ B000S2QVYE
  • Item model number ‏ : ‎ 9748HH
  • Country of origin ‏ : ‎ China
  • Department ‏ : ‎ unisex-adult
  • Customer Reviews:
    4.7 out of 5 stars (2,425)

Product information

Technical Details

Manufacturer ‎ACDelco
Place of Business ‎GRAND BLANC, MI, 48439 US
Brand ‎ACDelco
Model ‎9748HH
Product Dimensions ‎9.65 x 25.4 x 15.24 cm; 508.02 g
Item model number ‎9748HH
Is discontinued by manufacturer ‎No
Manufacturer part number ‎88862385
OEM part number ‎88862385
Item Weight ‎508 g
Country of origin ‎China

Additional Information

ASIN B000S2QVYE
Customer Reviews
4.7 out of 5 stars (2,425)

4.7 out of 5 stars
鶹 Rank
Date First Available Oct. 10 2007

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ACDelco 9748HH Professional Spark Plug Wire Set

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Product description

ACDelco Professional Spark Plug Wire Sets are engineered with strength enhancing fiberglass and high temperature silicone insulators. These spark plug wires are a premium aftermarket offering that covers over 96% of domestic vehicles on the road today. Parts offered for GM, Chrysler, Ford, Honda, Nissan, and Toyota vehicles. ACDelco Professional Spark Plug Wire Sets are designed to match the fit, form, and function found on new vehicles.

Designed to be an ideal replacement for your vehicle’s worn equipment, ACDelco Professional, premium aftermarket Auto Wire and Auto Cable products are built to meet nearly every application and budget. Many battery cable sets feature copper alloy terminals and factory crimping for outstanding performance. Select wire sets have high efficiency conductive silicone, metallic silicone, or magnetic suppression cores. We meet or exceed most original manufacturers’ specifications.

Built to exacting specifications, and extensively tested, ACDelco Auto Wires and Auto Cables includes our Original Equipment line for GM vehicles and a select offering of premium aftermarket Professional products for GM and non-GM vehicles. ACDelco Wires and Cables include high-quality spark plug wire sets, battery cables, pigtail connectors, lamp sockets and trailer connectors.

Top Brand: ACDelco

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Customer reviews

4.7 out of 5 stars
2,425 global ratings

Customers say

Customers find this cable assembly to be a great quality OEM product with good quality wires. The cable fits perfectly and works well with stock aluminum heat shields. Users report that it works great and makes their truck run very good, with one noting it worked perfectly on a 5.3L Chev Silverado. The installation process is easy and goes on smoothly. However, some customers mention the cable length issues, finding it slightly longer than original equipment wires or too short for their needs.
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50 customers mention quality, 50 positive, 0 negative
Customers appreciate the quality of this cable assembly. They describe it as a great quality OEM product and a great factory replacement. The wires are considered good quality, and customers find it to be a reliable product that meets or exceeds genuine standards.
...Excellent wire set. Consistent manufacturing, good quality.Read more
Quality, OEM wires. I didn't know if my truck took these, or the shorter wires....Read more
...The length was the same. Were snug and fit well. Great product.Read more
Delco quality is hard to beat, worth the extra money to buy OEM quality instead of buying cheap junk you need to replaced twice as much...Read more
37 customers mention fit, 31 positive, 6 negative
Customers report that the cable assembly fits perfectly and works well with the stock aluminum heat shield. The wires fit as they should, and the assembly provides an exact look fit. Users note that it fits the 2003 GMC Sierra 4.8 engine and contributes to the engine running 100% better.
Perfect fit for my 2003 Silverado SS with 6.0L LQ9. Came back to drop a star....Read more
Fit perfect, Watch the coil part # These are about 1" longer than Delco #9748GG and they both say they fit the vehicle. (2002 chevy 1500HD 6 ltr)Read more
They fit and work well.Read more
...Turns out it takes the shorter one, however these also fit with only an inch of slack. So it doesn't look messy or out of place....Read more
25 customers mention performance, 24 positive, 1 negative
Customers report that the cable assembly works great and makes their trucks run very well. The spark plug wires work perfectly on vehicles like the 5.3L Chev Silverado, with new wires performing exceptionally well. Users note that the engine responds quicker and the truck runs like a champ after installation.
They fit and work well.Read more
...worth the time to change both. Saving it on gas and engine really responds quicker and smoother. Better idle as well.Read more
Works as discribed. Easy to installRead more
Needed to replace a broken wire on a 5.3 Yukon. Does the job perfect and fit with the stock aluminum heat shield.Read more
19 customers mention installation, 15 positive, 4 negative
Customers find the cable assembly straightforward to install. They report that the wires go on easily and snap in well without any issues during installation.
Works as discribed. Easy to installRead more
Price was good, easy to install.Read more
18 customers mention cable length, 5 positive, 13 negative
Customers have mixed opinions about the cable length of this cable assembly. Some find the cables too short for their vehicles, while others note they are slightly longer than original equipment wires or too long for certain coil styles. Several customers mention the plug wires being approximately two inches shorter than expected for their trucks.
The wires lengths were too long , however I had to use it as the truck was apart and needed to be started up.Read more
...Only thing these plug wires are a bit longer compared to the factory OEM Delco wires I removed for my 2500 ChevRead more
Good value, seem well made, all cables same length, so no measuring, hipped ahead of time. Very satisfied with product Delco.Read more
This looks and feels exactly like original equipment. The length was the same. Were snug and fit well. Great product.Read more

Top reviews from Canada

  • XsTatiC
    5.0 out of 5 stars OEM
    Reviewed in Canada on February 15, 2026
    Verified Purchase
    Quality, OEM wires. I didn't know if my truck took these, or the shorter wires. Turns out it takes the shorter one, however these also fit with only an inch of slack. So it doesn't look messy or out of place. TBH, I doubt most people would even know. I'd say if you don't know which set you need, the long or the short, just get these and you'll be fine with them. My truck is a 2007, so it's on its last legs anyway.
    Helpful
     Report
  • Andrew K
    5.0 out of 5 stars This Fits 2003 Gmc Sierra 4.8 engine!
    Reviewed in Canada on April 28, 2023
    Verified Purchase
    This looks and feels exactly like original equipment.
    The length was the same. Were snug and fit well.
    Great product.
    Helpful
     Report
  • shane65
    5.0 out of 5 stars Wire set
    Reviewed in Canada on February 3, 2026
    Verified Purchase
    They fit and work well.
    Helpful
     Report
  • Futureleader
    5.0 out of 5 stars Delco quality is hard to beat, these wires are actual Delco that I received
    Reviewed in Canada on April 27, 2023
    Verified Purchase
    Delco quality is hard to beat, worth the extra money to buy OEM quality instead of buying cheap junk you need to replaced twice as much
    Only thing these plug wires are a bit longer compared to the factory OEM Delco wires I removed for my 2500 Chev
    Helpful
     Report
  • Dennis Betts
    4.0 out of 5 stars Ac delco quality
    Reviewed in Canada on February 23, 2026
    Verified Purchase
    Perfect for ls engine
    Helpful
     Report
  • Robert P.
    5.0 out of 5 stars Excellent quality
    Reviewed in Canada on November 23, 2023
    Verified Purchase
    Quality product that'll last!
    Helpful
     Report
  • M. St-Charles
    5.0 out of 5 stars Perfect fit engine runs 100% better
    Reviewed in Canada on July 25, 2017
    Verified Purchase
    Perfect fit engine runs 100% better, 6.0 Litres 2004 Silverado 2500HD with Iridium NGK .40 gauge spark plug. worth the time to change both. Saving it on gas and engine really responds quicker and smoother. Better idle as well.
    Helpful
     Report
  • Sunshine
    5.0 out of 5 stars Sparkplug wires
    Reviewed in Canada on May 26, 2023
    Verified Purchase
    Price was good, easy to install.
    Helpful
     Report

Top reviews from other countries

  • A.Taylor
    5.0 out of 5 stars Fits Great
    Reviewed in the United States on March 5, 2026
    Verified Purchase
    Great Product
    Report
  • Marty S
    1.0 out of 5 stars Didn't fit my 2011 q56
    Reviewed in the United Arab Emirates on September 10, 2023
    Verified Purchase
    Waste of time and money
    Report
  • Larry Markley
    5.0 out of 5 stars OEM quality
    Reviewed in the United States on January 31, 2026
    Verified Purchase
    worked perfect for my 2002 Silverado 2500 HD 6.0
    Report
  • D G
    5.0 out of 5 stars REALLY GOOD QUALITY. LOVE THESE. NEVER ANY ISSUES.
    Reviewed in the United States on February 10, 2026
    Verified Purchase
    I USE THESE ON ALL MY LS SWAPS AND FACTORY INSTALLED LS ENGINES. FITS 4.8 , 5.3 , 5.7, AND 6.0
    Report
  • EZamudio
    5.0 out of 5 stars Great fitment...
    Reviewed in the United States on June 13, 2014
    Verified Purchase
    I recently purchased a 2004 Tahoe Z71 and figured it could use some new wires with all the miles the previous owner racked up. I also purchased these since many other stated that once they took off the original wires, that many of them broke so I wanted to be cautious. The wires had been replaced as they were not stock and some cheap aftermarket brand. These ACDelco wires not only fit better but looked nice and OEM. So far they have performed great and I seem to have a slightly nicer idle, of course the MUCH needed new plugs (another review) I'm sure helped out tremendously. I don't see the need for purchasing anything other than the stock wires and these preform very well and the cost is much less than the "higher quality" aftermarket ones. I highly recommend these stock wires. Don't forget to use dielectric grease on the ends that go onto the spark plugs! I bought a much bigger tube than needed, oh well. Just get some small grease packs at your local parts store and use a q-tip to swab it around the inside of the boots before installing. Oh, and the worst boots to get off are of course the back two, the passenger one taking the longest. TIP: where gloves to protect from the heat shield, securely grab with hand\fingers and twist back and forth while pulling....
    Report
See more reviews

Product Summary: ACDelco 9748HH Professional Spark Plug Wire Set

From ACDelco

4.7 out of 5 stars, 2,425 ratings

Customer reviews

Price

No featured offers available

Other sellers

Other sellers

About this Item

  • Wire conductor, wire length, and diameter help provide maximum spark delivery and protection
  • Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal
  • Terminal design improves spark plug retention and assists installation with excellent corrosion resistance
  • Insulator employs high dielectric materials
  • Coil retainer prevents fretting and micro-arcing
  • Strength enhancing components and thick, high temperature insulation jacket for outstanding resistance to heat, oil, and abrasion while promoting durability and protection

Product description

ACDelco Professional Spark Plug Wire Sets are engineered with strength enhancing fiberglass and high temperature silicone insulators. These spark plug wires are a premium aftermarket offering that covers over 96% of domestic vehicles on the road today. Parts offered for GM, Chrysler, Ford, Honda, Nissan, and Toyota vehicles. ACDelco Professional Spark Plug Wire Sets are designed to match the fit, form, and function found on new vehicles. Designed to be an ideal replacement for your vehicle’s worn equipment, ACDelco Professional, premium aftermarket Auto Wire and Auto Cable products are built to meet nearly every application and budget. Many battery cable sets feature copper alloy terminals and factory crimping for outstanding performance. Select wire sets have high efficiency conductive silicone, metallic silicone, or magnetic suppression cores. We meet or exceed most original manufacturers’ specifications. Built to exacting specifications, and extensively tested, ACDelco Auto Wires and Auto Cables includes our Original Equipment line for GM vehicles and a select offering of premium aftermarket Professional products for GM and non-GM vehicles. ACDelco Wires and Cables include high-quality spark plug wire sets, battery cables, pigtail connectors, lamp sockets and trailer connectors.
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