Home / 2004-2006 Chevrolet Colorado 2.8L ACDelco Iridium Spark Plugs - 4 Pack
2004-2006 Chevrolet Colorado 2.8L ACDelco Iridium Spark Plugs - 4 Pack
$54.77
Free shipping on all orders.
Qty In Stock: 20
The GM ACDelco 41-103 Iridium Spark Plugs 12681663 4 Pack is designed to deliver optimal ignition, enhanced fuel efficiency, and long-lasting performance for automotive applications. Built with advanced iridium technology, these spark plugs ensure reliable starts, improved acceleration, and reduced emissions for a cleaner engine operation.
Features & Benefits:
🔧 Includes 4 ACDelco 41-103 iridium spark plugs for convenient replacement
🔧 Superior iridium construction provides excellent durability and longevity
🔧 Enhanced spark performance supports improved fuel efficiency
🔧 Designed for optimal heat dissipation and consistent ignition reliability
Specifications:
Brand & Part Number: GM ACDelco 41-103 (12681663)
Quantity: 4 Pack
Plug Type: Iridium Spark Plug
Thread Size: 14mm
Reach: 26.5mm (1.04 in)
Hex Size: 16mm (5/8 in)
Heat Range: 41
Resistor: Yes
Choose GM ACDelco 41-103 spark plugs for reliable ignition performance, enhanced efficiency, and trusted quality—order this 4 pack today!
Vehicle Compatibility (185 applications)
Part reference: 41103, 41-103
| Year | Make | Model | Trim / Engine |
|---|---|---|---|
| 2002 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2002 | GMC | Envoy | XL | 4.2L |
| 2002 | Oldsmobile | Bravada | 4.2L |
| 2003 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2003 | GMC | Envoy | XL | 4.2L |
| 2003 | Oldsmobile | Bravada | 4.2L |
| 2004 | Buick | Rainier | 4.2L |
| 2004 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2004 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2004 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2004 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2004 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2004 | GMC | Canyon | PICKUP | 2.8L |
| 2004 | GMC | Canyon | PICKUP | 2.9L |
| 2004 | GMC | Canyon | PICKUP | 3.5L |
| 2004 | GMC | Canyon | PICKUP | 3.7L |
| 2004 | GMC | Envoy | XL | 4.2L |
| 2004 | Oldsmobile | Bravada | 4.2L |
| 2005 | Buick | Rainier | 4.2L |
| 2005 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2005 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2005 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2005 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2005 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2005 | GMC | Canyon | PICKUP | 2.8L |
| 2005 | GMC | Canyon | PICKUP | 2.9L |
| 2005 | GMC | Canyon | PICKUP | 3.5L |
| 2005 | GMC | Canyon | PICKUP | 3.7L |
| 2005 | GMC | Envoy | XL | 4.2L |
| 2006 | Buick | Rainier | 4.2L |
| 2006 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.2L |
| 2006 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.4L |
| 2006 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2006 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2006 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2006 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2006 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L |
| 2006 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L Flex |
| 2006 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.4L |
| 2006 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2006 | GMC | Canyon | PICKUP | 2.8L |
| 2006 | GMC | Canyon | PICKUP | 2.9L |
| 2006 | GMC | Canyon | PICKUP | 3.5L |
| 2006 | GMC | Canyon | PICKUP | 3.7L |
| 2006 | GMC | Envoy | XL | 4.2L |
| 2006 | Hummer | H3 | CREW CAB | 3.5L |
| 2006 | Hummer | H3 | CREW CAB | 3.7L |
| 2006 | Pontiac | G6 | GT CONVERTIBLE | 2.4L |
| 2006 | Pontiac | Pursuit | LEVEL 4 PERFORMANCE/SC (SS) | 2.4L |
| 2006 | Pontiac | Solstice | CONVERTIBLE | 2.4L |
| 2006 | Saturn | Ion | REDLINE | 2.2L |
| 2006 | Saturn | Ion | REDLINE | 2.4L |
| 2007 | Buick | Rainier | 4.2L |
| 2007 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.2L |
| 2007 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.4L |
| 2007 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2007 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2007 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2007 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2007 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L |
| 2007 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L Flex |
| 2007 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.4L |
| 2007 | Chevrolet | Malibu | HATCHBACK | 2.2L |
| 2007 | Chevrolet | Malibu | HATCHBACK | 2.4L |
| 2007 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2007 | GMC | Canyon | PICKUP | 2.8L |
| 2007 | GMC | Canyon | PICKUP | 2.9L |
| 2007 | GMC | Canyon | PICKUP | 3.5L |
| 2007 | GMC | Canyon | PICKUP | 3.7L |
| 2007 | GMC | Envoy | XL | 4.2L |
| 2007 | Hummer | H3 | CREW CAB | 3.5L |
| 2007 | Hummer | H3 | CREW CAB | 3.7L |
| 2007 | Pontiac | G5 | GT | 2.2L |
| 2007 | Pontiac | G5 | GT | 2.4L |
| 2007 | Pontiac | G6 | GT CONVERTIBLE | 2.4L |
| 2007 | Pontiac | Solstice | CONVERTIBLE | 2.4L |
| 2007 | Saturn | Aura | HYBRID NOTCHBACK | 2.4L |
| 2007 | Saturn | Ion | REDLINE | 2.2L |
| 2007 | Saturn | Ion | REDLINE | 2.4L |
| 2007 | Saturn | Sky | CONVERTIBLE | 2.4L |
| 2007 | Saturn | Vue | AWD | 2.2L |
| 2007 | Saturn | Vue | AWD | 2.4L |
| 2008 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.2L |
| 2008 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.4L |
| 2008 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2008 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2008 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2008 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2008 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L |
| 2008 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L Flex |
| 2008 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.4L |
| 2008 | Chevrolet | Malibu | HATCHBACK | 2.2L |
| 2008 | Chevrolet | Malibu | HATCHBACK | 2.4L |
| 2008 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2008 | GMC | Canyon | PICKUP | 2.8L |
| 2008 | GMC | Canyon | PICKUP | 2.9L |
| 2008 | GMC | Canyon | PICKUP | 3.5L |
| 2008 | GMC | Canyon | PICKUP | 3.7L |
| 2008 | GMC | Envoy | XL | 4.2L |
| 2008 | Hummer | H3 | CREW CAB | 3.5L |
| 2008 | Hummer | H3 | CREW CAB | 3.7L |
| 2008 | Pontiac | G5 | GT | 2.2L |
| 2008 | Pontiac | G5 | GT | 2.4L |
| 2008 | Pontiac | G6 | GT CONVERTIBLE | 2.4L |
| 2008 | Pontiac | Solstice | CONVERTIBLE | 2.4L |
| 2008 | Saturn | Aura | HYBRID NOTCHBACK | 2.4L |
| 2008 | Saturn | Sky | CONVERTIBLE | 2.4L |
| 2008 | Saturn | Vue | AWD | 2.2L |
| 2008 | Saturn | Vue | AWD | 2.4L |
| 2009 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.2L |
| 2009 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.4L |
| 2009 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2009 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2009 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2009 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2009 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L |
| 2009 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L Flex |
| 2009 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.4L |
| 2009 | Chevrolet | Malibu | HATCHBACK | 2.2L |
| 2009 | Chevrolet | Malibu | HATCHBACK | 2.4L |
| 2009 | Chevrolet | Trailblazer | EXT | 4.2L |
| 2009 | GMC | Canyon | PICKUP | 2.8L |
| 2009 | GMC | Canyon | PICKUP | 2.9L |
| 2009 | GMC | Canyon | PICKUP | 3.5L |
| 2009 | GMC | Canyon | PICKUP | 3.7L |
| 2009 | GMC | Envoy | XL | 4.2L |
| 2009 | Hummer | H3 | CREW CAB | 3.5L |
| 2009 | Hummer | H3 | CREW CAB | 3.7L |
| 2009 | Hummer | H3T | CREW CAB | 3.7L |
| 2009 | Pontiac | G5 | GT | 2.2L |
| 2009 | Pontiac | G5 | GT | 2.4L |
| 2009 | Pontiac | G6 | GT CONVERTIBLE | 2.4L |
| 2009 | Pontiac | Solstice | CONVERTIBLE | 2.4L |
| 2009 | Saturn | Aura | HYBRID NOTCHBACK | 2.4L |
| 2009 | Saturn | Sky | CONVERTIBLE | 2.4L |
| 2009 | Saturn | Vue | AWD | 2.2L |
| 2009 | Saturn | Vue | AWD | 2.4L |
| 2010 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.2L |
| 2010 | Chevrolet | Cobalt | LEVEL 4 PERFORMANCE/SC (SS) | 2.4L |
| 2010 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2010 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2010 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2010 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2010 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L |
| 2010 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L Flex |
| 2010 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.4L |
| 2010 | Chevrolet | Malibu | HATCHBACK | 2.2L |
| 2010 | Chevrolet | Malibu | HATCHBACK | 2.4L |
| 2010 | GMC | Canyon | PICKUP | 2.8L |
| 2010 | GMC | Canyon | PICKUP | 2.9L |
| 2010 | GMC | Canyon | PICKUP | 3.5L |
| 2010 | GMC | Canyon | PICKUP | 3.7L |
| 2010 | Hummer | H3 | CREW CAB | 3.5L |
| 2010 | Hummer | H3 | CREW CAB | 3.7L |
| 2010 | Hummer | H3T | CREW CAB | 3.7L |
| 2010 | Pontiac | G5 | GT | 2.2L |
| 2010 | Pontiac | G5 | GT | 2.4L |
| 2010 | Pontiac | G6 | GT CONVERTIBLE | 2.4L |
| 2010 | Pontiac | Solstice | CONVERTIBLE | 2.4L |
| 2010 | Saturn | Sky | CONVERTIBLE | 2.4L |
| 2010 | Saturn | Vue | AWD | 2.2L |
| 2010 | Saturn | Vue | AWD | 2.4L |
| 2011 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2011 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2011 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2011 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2011 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L |
| 2011 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.2L Flex |
| 2011 | Chevrolet | HHR | HIGH ROOF HATCHBACK | 2.4L |
| 2011 | Chevrolet | Malibu | HATCHBACK | 2.2L |
| 2011 | Chevrolet | Malibu | HATCHBACK | 2.4L |
| 2011 | GMC | Canyon | PICKUP | 2.8L |
| 2011 | GMC | Canyon | PICKUP | 2.9L |
| 2011 | GMC | Canyon | PICKUP | 3.5L |
| 2011 | GMC | Canyon | PICKUP | 3.7L |
| 2012 | Chevrolet | Colorado | CREW CAB | 2.8L |
| 2012 | Chevrolet | Colorado | CREW CAB | 2.9L |
| 2012 | Chevrolet | Colorado | CREW CAB | 3.5L |
| 2012 | Chevrolet | Colorado | CREW CAB | 3.7L |
| 2012 | Chevrolet | Malibu | HATCHBACK | 2.2L |
| 2012 | Chevrolet | Malibu | HATCHBACK | 2.4L |
| 2012 | GMC | Canyon | PICKUP | 2.8L |
| 2012 | GMC | Canyon | PICKUP | 2.9L |
| 2012 | GMC | Canyon | PICKUP | 3.5L |
| 2012 | GMC | Canyon | PICKUP | 3.7L |
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.
