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 Professional 9748hh Spark Plug Wire Set

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ignite your engine’s potential with pro-grade spark wire power!

LIFETIME CONFIDENCE - Limited lifetime warranty for lasting peace of mind
PRECISION FIT SEAL - Boots engineered for perfect installation and watertight protection
MAXIMUM SPARK DELIVERY - Fiberglass core and optimized wire diameter ensure peak ignition performance
UNIVERSAL COMPATIBILITY - Covers over 96% of domestic vehicles including GM, Ford, Honda & more
DURABILITY MEETS OEM QUALITY - High dielectric insulator and coil retainer prevent arcing and wear

The ACDelco Professional 9748HH Spark Plug Wire Set delivers OEM-level performance with a fiberglass core and high-temperature silicone insulation, ensuring maximum spark delivery and durability. Designed to fit over 96% of domestic vehicles, it features corrosion-resistant terminals and a coil retainer to prevent micro arcing, backed by a limited lifetime warranty for reliable, long-term use.

Specifications

ASIN	B000S2QVYE
Brand	ACDelco
Connector Type	Spark Plug Connector
Customer Reviews	4.7 4.7 out of 5 stars (2,435)
Global Trade Identification Number	00707773322116
Item Dimensions	9.7 x 25.4 x 15.2 centimetres
Item Weight	508 g
Manufacturer	ACDelco
Manufacturer Part Number	88862385
Material	Fibreglass, Silicone
Model Number	9748HH
Product Warranty	Limited Lifetime as long as original purchaser owns vehicle. (Parts Only)
UPC	707773322116

Reviews

X**C

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**R

Great Product

5.03.2026

M**S

Waste of time and money

10.09.2023

L**Y

worked perfect for my 2002 Silverado 2500 HD 6.0

31.01.2026

F**R

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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TrustScore 4.5 | 7,300+ reviews

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Best international shipping I've ever tried. Worth every penny!

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