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.

Acdelco 9748hh Professional Spark Plug Wire Set

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Description

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 Review: 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. Review: Es un producto original - De bastante calidad

Specifications

ASIN	B000S2QVYE
Brand	ACDelco
Brand Name	ACDelco
Connector Type	BOOT
Country of Origin	USA
Customer Reviews	4.7 out of 5 stars 2,477 Reviews
Global Trade Identification Number	00707773322116
Included Components	1x 9748HH AcDelco Spark Plug Wire Set
Item Dimensions	9.7 x 25.4 x 15.2 Centimeters
Item Weight	1.12 Pounds
Item dimensions L x W x H	9.7 x 25.4 x 15.2 Centimeters
Manufacturer	ACDelco
Material	Fiberglass Silicone
Material Type	Fiberglass Silicone
Model Number	9748HH
Part Number	88862385
UPC	707773322116
Unit Count	1.0 Count

Reviews

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

A**O

Es un producto original

De bastante calidad

15.05.2026

J**E

Only bye AcDelco for your GM vehicle....

Another great GM product along with new spark plugs keeps my truck in top notch condition and my life issue few just be sure you not buying fakes only buy AcDelco OEM parts from the AcDelco store there's a lot of fakes out there and there

5.05.2026

M**S

Didn't fit my 2011 q56

Waste of time and money

10.09.2023

D**D

Long style wire

Fit longer wires on 2005 2500HD 6.0

13.05.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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