CNPAPC ignition coil and spark plug kit UF316 4-piece for Toyota 1.5L, iridium plugs & direct-fit coils

CNPAPC UF316 is a direct-fit 4-piece ignition coil and iridium spark plug kit engineered to restore reliable ignition for compatible Toyota and Scion 1.5L engines.

This complete ignition pack replaces worn coils and plugs with parts manufactured to match OEM fit and specifications. It combines copper-wound coil assemblies with fine-wire iridium spark plugs to improve combustion stability, reduce misfires, and simplify installation as a one-stop service unit. The kit is shipped with clear fitment references and backed by a one-year warranty and responsive customer support.

Which vehicles will this CNPAPC UF316 kit fit?

The UF316 kit is designed for a range of Toyota and Scion models that use the 1NZ-FE 1.5L engine. Always cross-check OEM part numbers and the product images with your vehicle VIN or existing parts to confirm compatibility before purchasing.

• 2004–2006 Scion xA (1.5L, engine ID 1NZ-FE)
• 2004–2006 Scion xB (1.5L, engine ID 1NZ-FE)
• 2000–2005 Toyota Echo (1.5L, engine ID 1NZ-FE)
• 2001–2009 Toyota Prius (1.5L, engine ID 1NZ-FE), Toyota Prius C (2012–2019), Toyota Yaris (2007–2018)
• Check OEM numbers: 90919-02240, 9091902240, UF316, 90080-19021, C1304, 9008019021, 90919-02265

How do these coils and plugs improve engine performance?

Coils in this kit use German-imported copper windings and high-temperature epoxy to deliver strong, consistent spark energy under load. Paired with fine-wire iridium plugs, the combination supports more reliable ignition, smoother idle, and better throttle response without modifications to the ignition system.

• High-energy coil construction for stable spark output
• Iridium electrode plugs for improved ignitability and longevity (90,000+ km estimate)
• Materials resist corrosion, vibration, heat, and moisture
• Reduces engine misfires and rough idling when properly fitted

Is installation straightforward for a DIYer or a mechanic?

These components are produced as direct-fit replacements to match OEM form, fit, and mounting points, making them suitable for both professional garages and experienced DIY technicians. Basic hand tools and standard safety procedures are typically all that’s needed; refer to vehicle service manual torque specs and ignition system precautions.

• Direct-fit design replaces original coils and plugs without adapters
• Follow OEM torque specs and gap settings where applicable
• Suggested inspection of ignition boots, wiring, and connectors during replacement
• If unsure, consult a certified technician or use VIN check to confirm fit

Who is this for: The CNPAPC UF316 kit is aimed at owners and technicians working on Toyota and Scion vehicles with the 1NZ-FE 1.5L engine who need a reliable, OEM-spec ignition rebuild. It’s ideal for restoring lost performance due to aging coils or worn spark plugs, providing a cost-effective service part that prioritizes compatibility and durability. Buyers should confirm model years and OEM part numbers before ordering to ensure a correct match.