Home / 8 Pack Genuine GM ACDelco Iridium Spark Plugs 41-121
8 Pack Genuine GM ACDelco Iridium Spark Plugs 41-121
$115.77
Free shipping on all orders.
Qty In Stock: 20
The Genuine GM ACDelco Iridium Spark Plugs 41-121 8 Pack is designed to deliver superior ignition, enhanced fuel efficiency, and long-lasting performance for automotive applications. Built with advanced iridium technology, these spark plugs ensure reliable starts and optimal engine performance under various driving conditions.
Features & Benefits:
🔧 Includes 8 ACDelco Iridium spark plugs for convenient replacement
🔧 Enhanced ignition efficiency supports improved fuel economy
🔧 Durable iridium construction provides extended service life
🔧 Designed for consistent performance and reduced emissions
Specifications:
Brand & Part Number: ACDelco 41-121
Quantity: 8 Pack
Plug Type: Iridium Spark Plug
Thread Size: 14mm
Reach: 26.5mm (1.04 in)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Choose ACDelco Iridium spark plugs for reliable ignition performance, enhanced efficiency, and trusted quality—order this 8 pack today!
Vehicle Compatibility (31 applications)
Part reference: 41121, 41-121
| Year | Make | Model | Trim / Engine |
|---|---|---|---|
| 2011 | Chevrolet | Cruze | LT / LTZ NOTCHBACK | 1.4L |
| 2012 | Chevrolet | Cruze | LT / LTZ NOTCHBACK | 1.4L |
| 2012 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2013 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2013 | Chevrolet | Cruze | LT / LTZ NOTCHBACK | 1.4L |
| 2013 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2014 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2014 | Chevrolet | Cruze | LT / LTZ NOTCHBACK | 1.4L |
| 2014 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2015 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2015 | Chevrolet | Cruze | LT / LTZ NOTCHBACK | 1.4L |
| 2015 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2015 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
| 2016 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2016 | Chevrolet | Cruze | LT / LTZ NOTCHBACK | 1.4L |
| 2016 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2016 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
| 2017 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2017 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2017 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
| 2018 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2018 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2018 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
| 2019 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2019 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2019 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
| 2020 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2020 | Chevrolet | Sonic | HATCHBACK | 1.4L |
| 2020 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
| 2021 | Buick | Encore | CX SPORT UTILITY | 1.4L |
| 2021 | Chevrolet | Trax | LS SPORT UTILITY | 1.4L |
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.
Customer Reviews
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Order delivered on time with no issues
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