MAS 6-Pack Ignition Coil Pack for Chevrolet/GMC/Isuzu/Trailblazer Envoy — UF303 UF-303 Compatible
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Description
xOverview
The MAS Set of 6 Ignition Coil Packs is built to replace worn coils on a selection of Chevrolet, GMC, Isuzu, and related SUVs and trucks. This six-pack is designed to simplify maintenance by letting you swap all coils at once, reducing downtime and uncertainty during maintenance. Designed with practical use in mind, these coils aim to deliver reliable ignition performance and quick, straightforward installation. The kit is suitable for both DIY projects and professional service, offering a clear path to complete coil replacement when needed.
Quality engineering sits at the core of these coils, with components engineered to match or improve the original equipment design. This focus supports fast, easy installation and dependable performance across a range of driving conditions, so you can feel confident in your upgrade.
Premium materials and reliability
The coils use premium materials chosen for durability, with high electrical resistance, strong spark potential, and resistance to corrosion and abrasion. This combination is designed to perform consistently in heat, vibration, and long drives, helping you maintain smooth engine operation.
- Premium materials deliver durable electrical performance
- Resistance to corrosion and abrasion extends life in challenging conditions
Vehicle fitment and compatibility
The MAS 6-pack is a replacement option for vehicles including 2004–2005 Buick Rainier 4.2L, 2002–2005 Chevrolet Trailblazer 4.2L, 2002–2005 GMC Envoy 4.2L, 2002–2005 GMC Envoy XL 4.2L, 2004–2005 GMC Envoy XUV 4.2L, 2003–2008 Isuzu Ascender 4.2L, 2002–2003 Oldsmobile Bravada 4.2L, and 2005 Saab 9-7X 4.2L, among others listed.
Having a broad fitment reference helps you confirm compatibility with your vehicle’s 4.2L engine, reducing the need for multiple part checks during a repair.
Part numbers and full coverage
Compatible part numbers include C1395, UF303, UF-303 and other cross-referenced alternatives, providing broad coverage for the matched engines and simplifying compatibility verification.
What you get
- Complete set of six ignition coil packs for full engine coverage
- Designed for easy installation with OE-like fit and function
Installation notes and expectations
While upgrades can improve ignition responsiveness, verify fitment for your specific model and follow proper safety procedures during replacement. This set provides the components needed for a comprehensive coil replacement on eligible engines, helping restore a consistent ignition sequence and overall engine health when coils were previously worn.
FAQ
Q: Which vehicles are covered by the MAS 6-pack ignition coil set?
A: Fits 2004–2005 Buick Rainier, 2002–2005 Trailblazer/Envoy/Envoy XL, 2003–2008 Isuzu Ascender, 2002–2003 Oldsmobile Bravada, and 2005 Saab 9-7X (4.2L).
Q: Does the MAS set include a full replacement for all coils?
A: Yes—a complete set of six ignition coil packs replaces all coils in compatible engines.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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