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 13503102 Gray Multi-Purpose Relay

GM Genuine Parts 13503102 Gray Multi-Purpose Relay

Product ID: 78905895

Details

Brand
GM GENUINE
Connector Type
Through Hole
Contact Type
Normally Open
Mounting Type
DIN Rail Mount
Operation Mode
Automatic

⚡1 KW power capacity

🔧OE-certified precision fit

🛠️DIN rail mounting for easy install

92.18 DT

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Description

⚙️ Drive with Genuine Power — Because Your GM Deserves the Best!

SEAMLESS INTEGRATION - Designed for a perfect fit and function, replacing original parts without hassle.
BACKED BY RELIABILITY - 12-month/12,000-mile warranty and stellar 4.6-star rating from 573 users guarantee peace of mind.
EFFORTLESS INSTALLATION - DIN rail mount and through-hole connector type simplify upgrades and repairs.
ENGINEERED BY GM EXPERTS - OE-certified and rigorously tested to meet exact GM standards for Chevrolet, Buick, GMC, and Cadillac.
POWER YOUR RIDE WITH CONFIDENCE - 1 KW wattage ensures robust relay performance for critical vehicle systems.

The GM Genuine Parts 13503102 Gray Multi-Purpose Relay delivers OE-level quality and performance with a 1 KW power rating, engineered specifically for GM vehicles. Featuring a DIN rail mount and through-hole connector, it ensures easy installation and seamless integration. Backed by a 12-month/12,000-mile warranty and trusted by hundreds of satisfied customers, this relay optimizes your vehicle’s electronic systems with precision and reliability.

Specifications

ASIN	B01L7EHB22
Best Sellers Rank	#109,062 in Automotive ( See Top 100 in Automotive ) #26 in Automotive Replacement Relay Control Module Relays
Brand	GM GENUINE PARTS
Brand Name	GM GENUINE PARTS
Connector Type	Through Hole
Contact Type	Normally Open
Customer Reviews	4.6 out of 5 stars 573 Reviews
Global Trade Identification Number	00808709581659, 40808709581657
Included Components	Relay
Item Type Name	Relay
Item Weight	1.6 ounces
Manufacturer	ACDelco
Model	13503102
Mounting Type	DIN Rail Mount
Operation Mode	Automatic
Part Number	13503102
Specification Met	OE
UPC	808709581659
Unit Count	1 Count
Warranty Description	12 Months / 12,000 Miles (Parts Only)
Wattage	1 KW

Reviews

J**R

Works Great

Works as expected in my Chevy S10

28.06.2026

D**C

2006 trailblazer LS fits powertrain and starter 100% happy

2006 trailblazer LS 4.2L fit perfect for the powertrain and the starter bought 2 replaced both at same time bought dec 9th 2024 2/2/26 still running great would buy again

2.02.2026

C**.

Interchangeable with Mopar 04692141AA RELAY MINI and only 1/4 the cost!

I am diagnosing an intermittent starting problem with my 2008 Jeep JK and the next item on that long list is the starter relay switch located within the main fuse block under the hood at position K3. The OEM relay is a Mopar 04692141AA RELAY MINI located here on Amazon: https://www.amazon.com/dp/B00MJ2UE26. It took a lot of research but I was able to confidently purchase this Delphi relay at only 1/4th the price of the Mopar relay and I have confirmed it is a 100% drop-in compatible replacement. Beware this relay is capable of being plugged into the holder in two orientations so be sure you get it right! If you do use this Delphi in place of a Mopar, ignore the branding on the top of the cover and read the pinout numbers to get the correct orientation. In my case, the Delphi is 'upside down' to the OEM Mopar printing with the pinout in the correct orientation. Epstein didn't kill himself!

1.07.2024

J**C

Quality

Great original equipment ac Delco relay works well

8.11.2019

A**W

Fit my 2007 kia sedona.

Relay worked for my 07 kia sedona. Cheaper and easier than anywhere else we could find.

3.12.2024

M**E

Works as advertised. Factory part that fits.

14.09.2025

D**W

great product

works as it should

21.08.2024

W**H

works but didnt resolve the issue

works but my issue is the horn button on steering wheel closes when the weather gets nice an cold after further investigating. its a pain to fix an to get parts. i will keep the part since it didnt cost much. its a shame i got to take airbag off steering wheel just to get to horn button to create more space so the cold want close them together an blow my horn non stop at 4am in freezing weather. the cold shrinks the metal on horn button to the point it touches when very cold an causes ghost to appear at 4am. im going to call ghost busters from 1985. who you gonna call, ghost busters is who im gonna call.

11.01.2022

M**G

Perfecto

Sin problemas de envío y si funcionó

2.10.2024

F**S

arrived in good time

I must have ordered the wrong one. It's doesn't fit where i wanted the relay.

27.11.2025

B**B

Really saved me time and money!

Had a problem with my '06 Vibe having a start delay problem. Suspected the starter relay was failing. Fast two-day delivery, 3 minute install and works great!! Now, the starter turns over for as long as the key is turned. A perfect DIY experience with no mechanic charges performed in my driveway!!

5.11.2019

A**.

Buena calidad

Duradero y de buena calidad lo uso para un Pontiac G4 GT 2006

4.01.2024

R**.

Good fit

Fits well and is very reliable

23.04.2023

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92.18 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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