I bought these coil packs lastweek Friday put them on rode better an now it started to misfire again on my 5.3

Your 5.3 and mine and most everyone else has the 5.3 will experience with misfire and almost most of the time it isn't from the coil ,in my experience through out these years it's the ground circuit of the PCM, Check resistance on both wires

Failed after two months. How do I contact the seller?

Hi, please contact us via Amazon Message Center.

Will they fit 04 trailblazer 5.3?

As long as they are the round packs. A 5.3 is a 5.3, but certain years had square coil packs. Mine was an 06 and I also have a 04 Yukon that both have the same 5.3. Both are round coil packs.

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ENA Set of 8 Round Ignition Coil Pack Compatible With Chevy GMC Chevrolet Silverado 1500 2500 3500 Tahoe Suburban Sierra Yukon Escalade Avalanche Envoy V8 4.8L 5.3L 6.0L For UF262 D585 - Black

ENA Set of 8 Round Ignition Coil Pack Compatible With Chevy GMC Chevrolet Silverado 1500 2500 3500 Tahoe Suburban Sierra Yukon Escalade Avalanche Envoy V8 4.8L 5.3L 6.0L For UF262 D585 - Black

Product ID: 32964705

Details

Brand
ENA
Connector Gender
male
Installation Type
Bolt-On
Item Weight
16 ounces
Vehicle Service Type
Suvs Trucks

⚡Consistent spark output

🔧Plug-and-play bolt-on install

🚗Fits 1999-2007 Chevy/GMC V8s

€ 220.19

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Description

⚡ Ignite your V8’s true potential—don’t get left behind!

COMPLETE SET OF 8 - Full ignition coil pack kit ensures uniform performance across all cylinders—no compromises.
DURABLE BUILD QUALITY - Robust coil packs built to withstand tough driving conditions and extend engine life.
EFFORTLESS INSTALLATION - Plug-and-play design means zero downtime—bolt on and hit the road fast.
PRECISION ENGINEERED SPARK - Delivers reliable, consistent ignition for peak V8 performance every time.
WIDE VEHICLE COMPATIBILITY - Tailored fit for Chevy Silverado, GMC Sierra, Tahoe, Yukon & more (1999-2007 V8 models).

The ENA Set of 8 Round Ignition Coil Packs (UF262) is a vehicle-specific, bolt-on replacement kit designed for Chevy and GMC V8 engines (4.8L, 5.3L, 6.0L) from 1999 to 2007. Engineered for consistent spark output and durability, this plug-and-play coil pack set ensures reliable ignition performance across multiple popular truck and SUV models, backed by a 12-month warranty.

Specifications

ASIN	B0155K56O4
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#76,019 in Automotive ( See Top 100 in Automotive ) #222 in Automotive Replacement Ignition Coil Packs
Brand Name	ENA
Compatible with Vehicle Type	Suvs,Trucks
Connector Gender	male
Customer Reviews	4.5 4.5 out of 5 stars (771)
Installation Type	Bolt-On
Item Weight	16 ounces
Manufacturer	ENA
Manufacturer Part Number	ENAIC121308
Model Number	Silverado Suburban Tahoe Express, More
OEM Equivalent Part Number	Replacement for C1251, D585, 5C1082, E254, E254P, 52-1647, GN10119, IC413, 10457730, 19005218, 8-10457-730-0, UF-262
Part Interchange Info	D585, 5C1082, E254, E254P, 52-1647, GN10119, IC413, 10457730, 19005218, 8-10457-730-0, UF-262

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€ 220.19

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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