AULINK Ignition Coil and Spark Plug Kit 6PCS for Chevy/GMC (UF-303 Compatible) — Direct Fit, Tested Replacement

AULINK 6PCS ignition coil pack and spark plug kit replaces worn coils and plugs for specified Chevy, GMC, Buick, Isuzu, Saab, Hummer and Oldsmobile models to restore reliable ignition.

If your engine is misfiring, hesitating, or showing check-engine codes related to ignition, this AULINK 6-piece kit includes ignition coils compatible with UF-303 / GN10114 and matching trivalent-metal spark plugs (5019 / LTR5GP) designed for direct replacement in many GM vehicles. The components are produced in TS16949-certified facilities, 100% function and leakage tested, and backed by a 1-year or 50,000 km support period. Below you'll find concise answers to the most common buyer questions, plus specific fitment and quality details.

Which vehicles and engines does this AULINK kit fit?

This kit is made to match OEM fitment references and fits a range of GM and related models from the early-mid 2000s. Confirming vehicle year and engine code against the OEM part numbers ensures correct compatibility before purchase.

• Compatible OEM coil numbers include UF-303, GN10114, IGC0137 and equivalents listed by GM cross-reference.
• Common compatible vehicles: Chevy Trailblazer (2002–2005), Colorado (2004–2006), GMC Envoy/XL/XUV (2002–2005), Canyon (2004–2006).
• Also fits Buick Rainier (2004–2005), Hummer H3 (2006), Isuzu Ascender and I-series (various 2003–2008 models), Oldsmobile Bravada (2002–2004), Saab 9-7X (2005).

What quality and testing standards does the kit meet?

The ignition coils are engineered for high-temperature and impact resistance, while the spark plugs use a trivalent metal plating for durability. Manufacturing and testing occur under automotive-quality controls intended to meet replacement expectations.

• Produced in TS16949-certified manufacturing facilities for automotive-grade consistency.
• Each coil and spark plug assembly is 100% function and leakage tested prior to shipping.
• Materials chosen for heat resistance and mechanical durability to match typical OEM performance.

How easy is installation and what should I check before replacing?

Installation is straightforward for anyone familiar with routine ignition service: remove the old coils and spark plugs, install the new plugs to correct torque, then connect the coil packs. Always disconnect the battery and follow vehicle-specific torque and gap specs when installing.

• Verify engine is cool, battery negative terminal is disconnected, and ignition turned off.
• Check OEM spark plug gap and torque specs for your engine; use an appropriate torque wrench.
• Inspect spark plug wells and coil connectors for oil or debris; replace valve cover gasket if leaking into wells.

What warranty and post-purchase support does AULINK provide?

The kit includes limited service coverage to protect against manufacturing defects for either one year or 50,000 km. For fitment questions or claims, keep your proof of purchase and vehicle details ready when contacting support.

• 1-year or 50,000 km service support for manufacturing-related issues.
• Customer assistance available for fitment verification and replacement guidance.
• Retain order information and vehicle VIN for expedited support.

Who is this for: Enthusiasts, DIY mechanics, and professional technicians seeking an OEM-replacement ignition coil and spark plug set for compatible GM and related vehicles. Choose this AULINK kit if you want tested replacement coils and plated spark plugs matched to common OEM numbers and backed by automotive-grade production standards and a 1-year/50,000 km support window.