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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GM Genuine Parts PT2649 (13580874) Multi-Purpose Wire Connector

GM Genuine Parts PT2649 (13580874) Multi-Purpose Wire Connector

Product ID: 13632237

🎨Color-coded wires for easy install

⚙️Exact GM OE spec fit & function

🛡️Durable protective outer covering

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Description

⚡ Plug into precision and power with GM Genuine Parts!

TRUSTED OEM QUALITY - Manufactured to GM OE specifications and rigorously tested, guaranteeing the same high standards you expect from GM Genuine Parts.
DURABILITY THAT LASTS - Protective outer coverings and premium materials deliver long-lasting reliability, built to withstand the toughest automotive conditions.
VERSATILE APPLICATION - Ideal for replacing worn connectors in nearly all GM vehicles, with select products also supporting non-GM models for broader compatibility.
EFFORTLESS INSTALLATION - Color-coded wires simplify your wiring job, saving time and eliminating guesswork for a professional-grade finish.
SEAMLESS GM OE COMPATIBILITY - Engineered to match your GM vehicle’s original factory parts perfectly, ensuring flawless integration and performance.

The GM Genuine Parts PT2649 Multi-Purpose Wire Connector is a GM-recommended, OE-spec replacement designed for seamless fit, durability, and reliable electrical performance in GM vehicles. Featuring protective outer coverings and color-coded wires, it ensures easy installation and long-lasting service life, backed by ACDelco’s trusted manufacturing standards.

Specifications

ASIN	B007QC2MSI
Best Sellers Rank	#894,716 in Automotive ( See Top 100 in Automotive ) #3,085 in Automotive Replacement Electrical Accessories
Brand	GM GENUINE PARTS
Customer Reviews	4.8 4.8 out of 5 stars (180)
Date First Available	March 30, 2012
Is Discontinued By Manufacturer	No
Item Weight	2.88 ounces
Item model number	PT2649
Manufacturer	ACDelco
Manufacturer Part Number	13580874
OEM Part Number	13580874
Product Dimensions	9 x 4.5 x 2.1 inches

Reviews

D**Z

Genuine ac delco great quality

Fit perfect wires are good gauge size reccomend them to anyone installed e fans on my 03 sierra ordered fans from a 05 sierra and these plugged right in.

12.09.2023

B**H

Good

I have not installed it yet but its a genuine product

19.09.2024

A**Z

Works great

I installed efans on my 2001 Tahoe and the fans were from a 07 Silverado. I had originally bought the connected from a junk yard. The older style connector didn’t last much as the connection is not tight. This fixed the issue. Fans working great now. Worth the money.

20.10.2018

D**S

Does the job

27.04.2025

S**Y

Works good

Works as it should for me

3.11.2024

C**I

Good quality, large gauge wire!!

Worked well and came with heat shrink crimps to connect it. Very good!!!

13.09.2021

M**O

Works

Did it's job

21.08.2024

E**M

Four Stars

Worked great on my fans. Nice thick wires.

29.12.2016

E**A

muy buen articulo lo que esperaba de el

muy buena calidad del conector y los cables gruesos para evitar que se calientes y que se haga un corto todo muy bien muy buena calidad

14.08.2023

J**N

Fits as required, ac delco part as described

works excellent perfect fitment

13.04.2021

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