When do spark plug wires need to be replaced?

The lifespan of spark plug wires varies based on factors including the climate and driving habits, but they generally last about 60,000-100,00 miles. Periodic replacement helps maintain the engine’s performance.

What are signs spark plug wires should be replaced?

Common signs of wear can include a rough-running engine, possible misfires and even hard starting. Acceleration can be affected and fuel economy can decline. Visually, cracks or fraying of the wires are signs replacement is needed.

Are all spark plug wires the same?

No. Material composition and design can vary widely, resulting in varying levels of conductivity, durability and electrical interference suppression. GM Genuine Parts and ACDelco Gold Spark Plug Wires meet GM factory specifications.

Do battery cables need to be replaced often?

Generally, battery cables don't need periodic replacement, but they are subject to corrosion and other forces of wear that can affect their performance. This is especially true in climates of high humidity, where the roads are salted in the winter.

What are signs of the battery cables need to be replaced?

If loose connections are ruled out, hard starting, a failure to start and other intermittent electrical issues are common signs the battery cables should be checked for corrosion and other signs of wear.

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

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

Product ID: 348568798

Details

Brand
ACDelco
Connector type
Spark Plug
Item dimensions L x W x H
9.7 x 25.4 x
Item weight
1.12 Pounds
Material
Fiberglass

⚡Maximum spark delivery

🔧Corrosion-resistant terminals

🛡️Water-tight boot seal

Bs.2602

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Description

⚡ Ignite your drive with flawless spark power!

SEAMLESS FIT SEAL - Specialized distributor boot design guarantees a snug, water-tight installation—no leaks, no misfires.
TRUSTED PERFORMANCE - Backed by 2,400+ rave reviews and a 4.7-star rating, join thousands upgrading their ride’s ignition system.
PLUG PLAY INSTALLATION - Ergonomic terminal design simplifies installation and retention, saving you time and hassle.
PRECISION SPARK DELIVERY - Optimized wire conductor and diameter ensure peak ignition performance for your engine’s power boost.
DURABLE CORROSION RESISTANCE - Premium terminal materials resist rust and wear, extending wire life and reliability under all conditions.

The ACDelco Professional 9748HH Spark Plug Wire Set (8 count) features fiberglass construction with optimized wire length and diameter for maximum spark delivery. Its water-tight distributor boot and corrosion-resistant terminals ensure a secure, durable fit, enhancing ignition reliability. Highly rated by thousands, this set is engineered for professional-grade performance and easy installation.

Specifications

ASIN	B000S2QVYE
Best Sellers Rank	#35,337 in Automotive ( See Top 100 in Automotive ) #175 in Automotive Performance Spark Plugs
Brand	ACDelco
Brand Name	ACDelco
Connector Type	Spark Plug Connector
Connector type	Spark Plug Connector
Customer Reviews	4.7 out of 5 stars 2,501 Reviews
EU Spare Part Availability Duration	7 Years
Global Trade Identification Number	00707773322116
Item Dimensions	9.7 x 25.4 x 15.2 centimeters
Item Weight	508 g
Item dimensions L x W x H	9.7 x 25.4 x 15.2 centimeters
Item weight	508 g
Manufacturer	ACDELCO
Material	Fiberglass
Material Type	Fiberglass
Model	9748HH
Number of Items	1
Number of Packs	1
Part Number	88862385
UPC	707773322116

Reviews

M**S

Didn't fit my 2011 q56

Waste of time and money

10.09.2023

X**C

OEM

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.

15.02.2026

C**R

Good OEM replacement

Good quality. Almost like the original cables, but about 1" longer. They still work, you just need to make sure you route them so they don't contact anything. (I have a 2004 Chevy Tahoe with the 5.3L engine)

15.06.2026

A**O

Es un producto original

De bastante calidad

15.05.2026

D**D

Long style wire

Fit longer wires on 2005 2500HD 6.0

13.05.2026

F**R

Delco quality is hard to beat, these wires are actual Delco that I received

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

27.04.2023

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Bs.2602

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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