PLEASE NOTE: There are 2 Different type of coils the Square body coil UF271/D581 and the Round body coil UF262/D585.For the GM trucks and SUVs use two different types of coils: the MELCO style coils with the Square body and the DELPHI style coils with the Round body. Our coils shown in the pictures are SQUARE coils (UF271/D581).Your coils should have the number "12558693" on them. If there are no numbers,simply compare them to the pictures. Or just check your original coils to make sure whether you need the round or square style coil. Any questions please feel free to contact us by email. We will reply within 12 hours.

Our Coils are Square , not the Round one . Please check it carefully before purchasing.Thanks.



 

Package include:

8x UF271 Square Ignition Coils + 8x Spark Plugs + 8x Wires

Features:

• 18.5% more energy than regular coils (High Performance)
• Direct Plug In Replacement Direct OE Fit
• Brand new ignition coil pack,never used or installed
• Ready to use, Direct Replacement
• LIFETIME Manufacturer Warranty
• OBD ll Compatible Safe
• Designed to provide original equipment fit, form and function
• Manufactured using high quality materials and processes
• Tested to perform under extreme electrical and thermal conditions

Heavy Duty performance coils! Ignition coils with Copper windings. Comes with the manufacturer's Lifetime warranty!
All of our ignition coils use copper windings inside, which allows for better connectivity.
Aluminum has inferior connectivity, but is cheaper and sometimes used in ignition coils as well. Beware of listings where the seller does not specify the material used in the ignition coil windings!

Specifications:

Voltage: 12V

Connector Gender:Female

Terminal Gender:Male

Connection: 4 pins

Terminal Type: Blade

Coil Wire Attachment: Female/Socket
Coil Style: Coil pack
Primary Resistance: 0.660 ohms
Coil Internal Construction: Epoxy
Coil Color: /
Maximum Voltage: 26,000 V
Turns Ratio: 61:1
Secondary Resistance: 6.1K ohms
Mounting Bracket Included: No
Coil Wire Included: No
Ballast Resistor Included: No
Coil Shape: Square 
Quantity: Sold as a set of 8.

Secondary Resistance 3.7K ohms
Inductance 4.2 mH
Spark duration (mS) 1100 uS
Peak Current 140 mA
Maximum Voltage 42,000 Volt
Ignition Coils Part Number:UF271, D581

Spark Plugs Part Number: 41-962, 19299585

Spark Plug Wires Part Number: 748UU, M8-48322R, 9059, 9748HH, 9748UU, 9748RR, 88862385, 12622553, 12656210 

Interchange Part Number: 

D581,UF271, 12556893, 12558693, 12570553, 3859078, 38590782, 392889925,
52-1618, E226, 26347, H6T55171ZC, B314, GN10298, 50253,
IC400, C561, 9201052, IC328
 

Replaces part number:

UF271, D581, 5C1083, GN10298, 6737000,12556893, 12558693,
12570553,3859078,38590782, 392889925, D581, CUF271, C561, 
C1208,C1251, 19355500, 1AMIC00033, 250253, 8125586930

Fitment:

This part is compatible with:

For CADILLAC ESCALADE (2002 - 2006)
For CHEVROLET AVALANCHE 1500 (2002 - 2006)
For CHEVROLET AVALANCHE 2500 (2003 - 2006)
For CHEVROLET EXPRESS 1500 (2003 - 2006)
For CHEVROLET EXPRESS 2500 (2003 - 2005)
For CHEVROLET EXPRESS 3500 (2003 - 2004)
For CHEVROLET MONTE CARLO 2006
For CHEVROLET SILVERADO 1500 (1999 - 2006)
For CHEVROLET SILVERADO 2500 (1999 - 2007)
For CHEVROLET SILVERADO 3500 (2001 - 2007)
For CHEVROLET SONORA (2003 - 2004)
For CHEVROLET SSR (2003 - 2004)
For CHEVROLET SUBURBAN 1500 (2000 - 2006)
For CHEVROLET SUBURBAN 2500 (2000 - 2006)
For CHEVROLET TAHOE (2000 - 2006)
For CHEVROLET TRAILBLAZER (2003 - 2004)
For GMC ENVOY (2003 - 2004)
For GMC SAVANA 1500 (2003 - 2005)
For GMC SAVANA 2500 (2003 - 2005)
For GMC SAVANA 3500 (2003 - 2005)

For GMC SIERRA 1500 (1999 - 2007)
For GMC SIERRA 2500 (1999 - 2007)
For GMC SIERRA 3500 (2001 - 2007)
For GMC YUKON (2000 - 2006)
For GMC YUKON XL 1500 (2000 - 2006)
For GMC YUKON XL 2500 (2000 - 2006)
For HUMMER H2 (2003 - 2007)
For MERCRUISER All Models (2001 - 2007)
For WORKHORSE FASTRACK FT1061 (2004 - 2005)
For WORKHORSE FASTRACK FT1261 2005
For WORKHORSE FASTRACK FT1461 (2004 - 2005)
For WORKHORSE FASTRACK FT1601 (2004 - 2005)
For WORKHORSE FASTRACK FT1801 (2004 - 2005)