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Spectra C-747 Ignition Coil

Brand	Spectra C-747
Fits	Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn · 35 vehicles

Premium copper construction. Built with premium grade copper for dependable ignition performance.

Engineered to high standards. Developed with rigorous engineering for consistent coil operation.

Cross-references Delphi GN10309, Roadmax C1508 and URO 12629037 for the same application. See all 29.

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Spectra C-747 Ignition Coil Overview

The Spectra C-747 ignition coil is a direct-fit replacement for select GM and Saab applications that mount the coil directly to the cylinder head. Built with premium-grade copper and engineered to meet high manufacturing standards, it supports consistent spark delivery for reliable engine operation.

Compatible With 2004-2009 Cadillac CTS, 2005-2008 Buick LaCrosse, and other listed applications, this ignition coil is a practical OE-style replacement for drivability concerns tied to weak ignition output. Part number C-747 is also cross-referenced to Delphi GN10309 for the same application.

Key Features

Premium-grade copper construction
Direct mounts to the cylinder head on listed applications
OE-style ignition coil replacement for select Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn models
Supports stable spark output for proper combustion
Cross-reference: Delphi GN10309

Detailed Description

Spectra Premium ignition coils are engineered with premium-grade copper to support dependable electrical transfer and consistent ignition performance. The C-747 is used on a range of vehicles including the 2009 Buick Enclave, 2009 Chevrolet Traverse, 2009 GMC Acadia, 2006-2009 Saab 9-3, and 2004-2006 Cadillac SRX. It also fits 2005-2008 Buick Allure and 2005-2008 Buick LaCrosse, along with select Cadillac CTS and STS applications.

This ignition coil is a direct replacement for vehicles that use a cylinder-head-mounted coil design, helping restore proper spark delivery when the original unit is worn or failing. Part number C-747 is a fitment-specific replacement for the listed applications.

Common Issues This Part Can Address

Engine misfire under load
Rough idle or uneven running
Hard starting caused by weak ignition output
Loss of power from inconsistent spark delivery
Check engine light related to ignition coil failure

Installation Notes and Tips

Fits 2009 Buick Enclave, N/A. Fits 2009 Cadillac CTS, N/A. Fits 2004-2007 Cadillac CTS, N/A. Fits 2009 Chevrolet Traverse, N/A. Fits 2009 GMC Acadia, N/A. Fits 2006-2009 Saab 9-3, N/A. Fits 2009 Saturn Outlook, N/A. Fits 2005-2008 Buick Allure, N/A. Fits 2005-2008 Buick LaCrosse, N/A. Fits 2008 Cadillac CTS, N/A, ignition coil mounts to cylinder head; with high output. Fits 2005-2008 Cadillac STS, N/A. Fits 2004-2006 Buick Rendezvous, N/A. Fits 2004-2006 Cadillac SRX, N/A.

Confirm the original coil style and engine application before installation. Inspect the coil connector, spark plug condition, and surrounding ignition components during service to help prevent repeat failures.

Quality Assurance

Manufactured to Spectra Premium engineering standards using premium-grade copper for the listed applications.

This part fits 35 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2009	Buick	Enclave	3.6L	V6	N/A	Directly mounts onto cylinder head.
2009	Cadillac	CTS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2009	Chevrolet	Traverse	3.6L	V6	N/A	Directly mounts onto cylinder head.
2009	GMC	Acadia	3.6L	V6	N/A	Directly mounts onto cylinder head.
2009	Saab	9-3	2.8L	V6	N/A	Directly mounts onto cylinder head.
2009	Saturn	Outlook	3.6L	V6	N/A	Directly mounts onto cylinder head.
2008	Buick	Allure	3.6L	V6	N/A	Directly mounts onto cylinder head.
2008	Buick	LaCrosse	3.6L	V6	N/A	Directly mounts onto cylinder head.
2008	Cadillac	CTS	3.6L	V6	N/A	Ignition Coil Mounts to Cylinder Head; with High Output
2008	Cadillac	STS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2008	Saab	9-3	2.8L	V6	N/A	Directly mounts onto cylinder head.
2007	Buick	Allure	3.6L	V6	N/A	Directly mounts onto cylinder head.
2007	Buick	LaCrosse	3.6L	V6	N/A	Directly mounts onto cylinder head.
2007	Cadillac	CTS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2007	Cadillac	CTS	2.8L	V6	N/A	Directly mounts onto cylinder head.
2007	Cadillac	STS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2007	Saab	9-3	2.8L	V6	N/A	Directly mounts onto cylinder head.
2006	Buick	Allure	3.6L	V6	N/A	Directly mounts onto cylinder head.
2006	Buick	LaCrosse	3.6L	V6	N/A	Directly mounts onto cylinder head.
2006	Buick	Rendezvous	3.6L	V6	N/A	Directly mounts onto cylinder head.
2006	Cadillac	CTS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2006	Cadillac	CTS	2.8L	V6	N/A	Directly mounts onto cylinder head.
2006	Cadillac	SRX	3.6L	V6	N/A	Directly mounts onto cylinder head.
2006	Cadillac	STS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2006	Saab	9-3	2.8L	V6	N/A	Directly mounts onto cylinder head.
2005	Buick	Allure	3.6L	V6	N/A	Directly mounts onto cylinder head.
2005	Buick	LaCrosse	3.6L	V6	N/A	Directly mounts onto cylinder head.
2005	Buick	Rendezvous	3.6L	V6	N/A	Directly mounts onto cylinder head.
2005	Cadillac	CTS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2005	Cadillac	CTS	2.8L	V6	N/A	Directly mounts onto cylinder head.
2005	Cadillac	SRX	3.6L	V6	N/A	Directly mounts onto cylinder head.
2005	Cadillac	STS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2004	Buick	Rendezvous	3.6L	V6	N/A	Directly mounts onto cylinder head.
2004	Cadillac	CTS	3.6L	V6	N/A	Directly mounts onto cylinder head.
2004	Cadillac	SRX	3.6L	V6	N/A	Directly mounts onto cylinder head.
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Directly replaces or cross-references 29 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Delphi — GN10309Roadmax — C1508URO — 126290375C1551264054817450136191133250136368161521816178848967373021256656912583514125909541261305719418102C1508VCCLS1158CUF375D501CE405E405PIC505MPSMF375UF375UF375TUF375TK6

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