BELKEBIR Ignition Coil Pack & Iridium Spark Plug Kit 6-Pack for Nissan/Infiniti/Suzuki 3.5L-4.0L V6, Direct-Fit

BELKEBIR set of six ignition coil packs and iridium spark plugs replaces UF349 to restore reliable spark and smoother engine operation for Nissan, Infiniti, and Suzuki 3.5L and 4.0L V6 applications.

This complete 6-piece ignition kit combines direct-fit coil packs and premium iridium spark plugs designed to match OEM form, fit, and function for many Nissan, Infiniti, and Suzuki V6 vehicles. It targets common ignition issues—misfires, rough idle, loss of power—by supplying consistent high-voltage output and durable electrode life. The components come ready for plug-and-play replacement, minimizing installation time while aiming to return engine responsiveness and steadier fueling performance.

Which vehicles and engines does this BELKEBIR kit fit?

This kit covers a wide set of Nissan 3.5L and 4.0L V6 engines plus compatible Infiniti and Suzuki models. Fitment spans model years and platforms commonly using UF349-style coil packs and LFR5A iridium spark plugs, but always verify against your vehicle’s VIN or OEM part numbers before ordering.

• 3.5L V6: Nissan Altima, Maxima, Murano, Pathfinder, Quest; Infiniti I35, QX4 (listed years).
• 4.0L V6: Nissan Frontier, Xterra, Pathfinder, NV1500/2500/3500; Suzuki Equator (listed years).
• OE part cross-references included: UF349, 22433/22448 series coils; 22401-8H515 and LFR5A spark plugs.

How will these replacement coils and plugs affect engine performance?

Upgrading to matched coil packs and iridium plugs aims to deliver stronger, more reliable ignition energy that promotes complete combustion. Improved spark consistency can reduce misfires, smooth idle, and help restore throttle response without altering engine tuning.

• Higher-energy coil output for stable firing across cylinders.
• Iridium plugs provide longer electrode life and consistent gap retention.
• Designed to help improve fuel burn efficiency and throttle feel.

What are the build and quality features of BELKEBIR components?

The kit is engineered to meet or exceed factory specifications, pairing molded coil housings with corrosion-resistant terminations and premium iridium electrodes. Materials and assembly focus on durability in under-hood environments and repeatable electrical performance over many miles.

• Precision-matched coil impedance and fitment for direct OEM replacement.
• Iridium electrodes for wear resistance and reliable cold starts.
• Factory-style connectors and seals to resist heat and moisture.

How straightforward is installation and what should I check during replacement?

The BELKEBIR coils and plugs are designed as plug-and-play trims that align with factory mounting points and electrical connectors. Basic mechanical experience is sufficient; however, observe safe practices and torque specifications for spark plug installation to avoid damage.

• Swap coils one cylinder at a time to preserve firing order and avoid confusion.
• Use a torque wrench to seat spark plugs to OEM torque values—do not overtighten.
• Inspect wiring and boots for wear; replace any damaged clips or harnesses.

Who is this for: This BELKEBIR 6-piece ignition coil and spark plug set is intended for DIYers, independent shops, and fleet managers who need a full-bank replacement for Nissan/Infiniti/Suzuki V6 engines using UF349-style coils. If your vehicle shows misfire codes, rough idle, decreased acceleration, or you’re performing preventative maintenance on a 3.5L or 4.0L V6, this kit provides a direct-fit, durable replacement option engineered to restore dependable ignition performance without requiring modifications.