Question 1

Will this UF401 + 4469 kit fit my specific Nissan/Infiniti model?

Accepted Answer

It’s designed to fit a broad range of Nissan/Infiniti models, but compatibility varies by VIN. Check the listing’s cross-reference (e.g., 22448-AL61CC) and verify with your VIN to be sure. If in doubt, share your year, model, and engine to confirm.

Question 2

Are the coils and plugs new, and is there a warranty?

Accepted Answer

The kit is marketed as aftermarket replacement parts in a six-piece set. For warranty specifics, please review the seller’s policy on the product page or contact support after purchase.

Question 3

How easy is installation? Do I need special tools?

Accepted Answer

Most users report a straightforward swap—packaged as a six-piece kit with coils and plugs. Basic hand tools are usually enough; there aren’t universal torque specs included, so follow your vehicle’s typical torque approach and clip guidance to avoid over-tightening.

Question 4

Should I replace all six at once, and will it improve starting/idle?

Accepted Answer

For balanced performance and reliability, replacing all six at once is recommended. Many buyers notice easier starts and smoother idle, with an overall improvement in driving feel after the full set is installed.

Question 5

What about value, shipping, and returns if it isn’t right for me?

Accepted Answer

The six-pack kit is commonly valued for the full replacement versus buying parts individually. Shipping times vary by seller, and returns/refunds depend on the seller’s policy—check the listing details and contact support if you have compatibility or performance concerns.

UF401 Ignition Coil & 4469 Double Iridium Spark Plug 6PCS for Nissan Altima Maxima Pathfinder Quest 350Z Frontier Xterra NV1500 NV2500 NV3500/Infiniti FX35 I35 QX4 G35 M35 Replaces# 22448-AL61C

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