The VQ35DE engine in Infiniti and Nissan models benefits from reliable ignition coil packs. This guide highlights five high-quality coil packs that replace UF401 and related part numbers, aimed at restoring performance, fuel efficiency, and smooth idle. Each option addresses 3.5L V6 applications found in FX35, G35, M35, and 350Z, providing durable construction and solid electrical performance for American drivers seeking dependable replacements.
| Product | Brand | Engine Fitment | Part Numbers Replaced |
|---|---|---|---|
| Ignition Coil Pack Set of 6 | AA Ignition | 3.5L V6 (FX35, G35, M35, 350Z) | UF401, UF-401, IGC0007, 6734025, 22448-AL61C |
| UF401 Set of 6 Ignition Coil Pack | maXpeedingrods | 3.5L V6 (FX35, G35, M35, 350Z) | UF401, UF-401, GN10246, 6734025, IGC0007 |
| 6PCS Ignition Coil Pack | Motorevo | 3.5L V6 (FX35, G35, M35, 350Z) | UF401, 22448-AL61C, IGC0007, 6734025 |
| BDFHYK UF349 Coil Pack | BDFHYK | Nissan Altima/350Z/FX35 etc. (3.5L) | UF349, UF349T, 224338J11C, 224488J11C |
| UF349 & C1406 Coil Pack Set | LCWRGS | 3.5L V6 (FX35, G35, M35, 350Z) | UF349, UF349T, C1406, 22433AL61C |
Ignition Coil Pack Set of 6 — AA Ignition
AA Ignition offers a coil pack set designed for 3.5L V6 engines found in FX35, G35, M35, and 350Z models. The set is positioned as a replacement for multiple part numbers including UF401 and 22448-AL61C. Features emphasize restoring spark delivery, improving fuel economy, and eliminating hesitation caused by worn coils. The kit is suitable for engines where coils are mounted on both sides of the engine bay, and installation is described as straightforward for DIY enthusiasts and professionals alike. The product notes emphasize compatibility across years 2000-2008 and common G35, FX35, M35, and 350Z applications.
UF401 Set of 6 — maXpeedingrods
The maXpeedingrods kit covers 3.5L V6 engines in Infiniti FX35, G35, M35, and Nissan 350Z, replacing UF401 and related identifiers. Included is a coil pack set and compatible with multiple OE numbers such as GN10246 and 6734025. The listing highlights improved ignition efficiency and stable high-voltage output to support consistent spark plug ignition and optimized fuel combustion. The coil cores use durable materials designed to withstand heat and wear, making them suitable for daily driving and higher-demand applications.
6PCS Ignition Coil Pack — Motorevo
Motorevo’s 6-pack targets the 3.5L V6 categories seen in FX35, G35, M35, and 350Z, with compatibility to UF401 and 22448-AL61C. The product emphasizes vehicle fitment, claiming compatibility across 2003-2008 models, along with 2003-2006 350Z variants. Claimed benefits include enhanced ignition efficiency and consistent high-voltage output, which can translate to stronger spark performance and more stable engine operation. Material construction focuses on heat resistance and durable insulation to mitigate voltage breakdown in demanding driving conditions.
BDFHYK UF349 Coil Pack
BDFHYK offers UF349 coil packs intended for Nissan Altima, 350Z, and other 3.5L V6 applications, with Infiniti I35 and QX4 compatibility noted. The kit includes a set of six and cites compatibility with several OEM numbers including UF349, UF349T, and 224488J11C. Featured attributes highlight direct replacement ease, heat and wear resistance, and corrosion protection. The coil design emphasizes reliable ignition performance and straightforward installation to restore engine response and fuel efficiency in affected vehicles.
Set of 6 Ignition Coil Pack — LCWRGS
LCWRGS provides a six-pack of ignition coils designed for 3.5L V6 engines across FX35, G35, M35, and 350Z. The listing notes compatibility with UF401, IGC0007, and 22448-AL61C, among others. Emphasized features include OE-level design, high-conductivity copper wiring, and robust epoxy insulation to sustain electrical performance and longevity. The coils are positioned as direct replacements that are simple to install for a broad range of model years, delivering reliable ignition and motor efficiency improvements when installed correctly.
Set of 6 UF401, IGC0007 — LCWRGS
This LCWRGS option likewise targets 3.5L V6 engines in FX35, G35, M35, and 350Z, replacing a range of OE numbers such as UF401 and 22448-AL61C. The product emphasizes direct OEM-style fit, reliable performance, and ease of installation. High-conductivity copper wires and epoxy insulation are highlighted to ensure durable electrical connections and resistance to heat-induced degradation, contributing to consistent engine performance under daily driving conditions.
Buying Guide: Key Considerations For Coil Pack Replacements
- Vehicle compatibility: Confirm the exact year, make, model, and engine code (VQ35DE) to ensure correct coil pack fitment and OE-number replacements.
- OE cross-reference: Look for part numbers such as UF401, UF349, IGC0007, 22448-AL61C, and GN10246 to verify alignment with your vehicle’s original equipment.
- Construction quality: Focus on durable housings, high-grade copper windings, and robust insulation to resist heat, vibration, and voltage spikes typical of V6 engines.
- Installation ease: Choose coil packs that come with proper fitment and instructions, and require minimal modification for a clean, straightforward replacement.
- Perceived performance: Expect improved ignition consistency and smoother idle after replacement; however, ensure that misfires are not caused by other components such as spark plugs or wiring.
- Reliability and warranty: Prefer brands offering credible warranties and responsive customer support to address potential coil failures over time.
- Price and availability: Compare bundles (sets of 6 vs sets of 8) and check compatibility with your maintenance budget while ensuring modern coil designs meet or exceed OEM standards.
- Vehicle usage: For daily drivers, a durable coil pack with good heat resistance is essential; for performance or frequent short trips, prioritize coils with robust insulation and voltage handling.