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.

Gm Genuine Parts 15 81106 13503103 Multi Purpose Relay

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

⚡ Power your ride with GM Genuine precision — don’t settle for less!

PRECISION OE ENGINEERING - Designed and validated by GM engineers for perfect compatibility with Chevrolet, Buick, GMC, and Cadillac vehicles.
SEAMLESS PLUG PLAY FIT - Automotive-specific connector and panel mount design guarantee hassle-free installation and perfect fit every time.
CONFIDENCE BACKED WARRANTY - Comes with a 24-month unlimited mile limited warranty for peace of mind on the road.
PREMIUM SILVER ALLOY CONTACTS - Durable silver alloy contact material ensures superior conductivity and long-lasting performance.
RELIABLE MULTI PURPOSE SWITCHING - Electrically controlled relay optimized for multiple A/C system applications and beyond.

The GM Genuine Parts 15-81106 Multi-Purpose Relay is an OE-certified, 12V DC electrically controlled switch designed specifically for GM vehicles. Featuring a robust 3-terminal panel mount design with premium silver alloy contacts, it ensures reliable circuit control for multiple automotive applications. Backed by a 24-month unlimited mile warranty, this relay delivers trusted performance and seamless integration with your vehicle’s safety systems.

Specifications

ASIN	B08PVGX88T
Best Sellers Rank	#84,404 in Automotive ( See Top 100 in Automotive ) #16 in Automotive Replacement Relay Control Module Relays
Brand	GM GENUINE PARTS
Brand Name	GM GENUINE PARTS
Coil Voltage	12 volts_of_direct_current
Connector Type	Automotive Specific Connector
Contact Material	Silver Alloy
Contact Type	Electrical
Customer Reviews	4.6 out of 5 stars 113 Reviews
Included Components	Wiring Relay
Item Type Name	Wire & Cable Other - GM,Wire & Cable Other - GM
Manufacturer	GM Genuine Parts
Minimum Switching Voltage	12 volts_of_direct_current
Model	15-81106
Mounting Type	Panel Mount
Number of Items	1
Number of Terminals	3
Operation Mode	Automatic
Part Number	13503103
Specification Met	OE
UPC	808709776208
Warranty Description	24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

Reviews

D**A

Good value

Works great

23.12.2025

B**P

Perfect fit

This relay was a perfect replacement for my failed fuel pump relay at a fraction of the price that dealers wanted.

21.12.2023

W**Y

GM Genuine Parts 15-81106 (13503103) Mul

GM Genuine Parts 15-81106 (13503103) Multi used on 1998 Chevy C2500 Cheyenne 5.7 liter engine replacement

28.05.2026

T**Y

Works perfectly.

97 k1500 fuel pump relay. Perfect fit. Easy to install. Great price.

26.06.2025

G**2

OEM quality

When you need 100% reliably go with the OEM choice every time

27.10.2023

J**S

Good product

This worked on my 1998 Chevy silverado. It was easy to install.

2.05.2023

K**N

Works like oem

17.07.2024

M**T

OEM

Relay is a factory GM part awesome price definitely buy two more

19.01.2025

J**R

Works as expected

Did it's job

28.08.2026

D**N

Works good

Works good. No issues

15.12.2023

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VT3877

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GM Genuine Parts 15-81106 (13503103) Multi-Purpose Relay

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Description

Specifications

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Common Questions