Home / 1 Pack GM ACDelco 41-103 Iridium Spark Plugs 12681663
1 Pack GM ACDelco 41-103 Iridium Spark Plugs 12681663
$21.77
Free shipping on all orders.
Qty In Stock: 20
The ACDelco 41-103 Iridium Spark Plug 12681663 is designed to deliver superior ignition, enhanced fuel efficiency, and long-lasting performance for automotive applications. Built with advanced iridium technology, this spark plug ensures reliable starts, optimal combustion, and consistent performance under various driving conditions.
Features & Benefits:
🔧 Includes 1 ACDelco 41-103 iridium spark plug for convenient replacement
🔧 Iridium center electrode provides excellent durability and longevity
🔧 Optimized design for improved fuel efficiency and reduced emissions
🔧 Engineered for reliable ignition performance in all driving conditions
Specifications:
Brand & Part Number: ACDelco 41-103 (12681663)
Quantity: 1 Pack
Plug Type: Iridium Spark Plug
Thread Size: 14mm
Reach: 26.5mm (1.04 in)
Heat Range: 41
Choose ACDelco 41-103 spark plugs for reliable ignition, enhanced performance, and trusted quality—order 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.
