Ignition Coils & Spark Plugs Kit Compatible with Honda Civic 2006-2011 1.8L L4 Replaces UF582 30520RNAA01 5C1637 C1580 - 8 Pack

Product Details

🔹 Product Overview

This OEM replacement kit includes 4 ignition coils and 4 iridium spark plugs for direct plug‑and‑play installation on compatible Honda vehicles with 1.8L L4 engines. Adopting professional Coil on Plug (COP) distributorless ignition system design, our UF582 ignition coils deliver stable high-voltage spark output that fully matches OE performance standards. Paired with premium iridium spark plugs, this complete ignition repair kit effectively resolves common engine issues including misfires, rough idle, hard cold starts, hesitation, backfires and poor fuel economy. The precise 3-pin rectangular connector perfectly matches factory wiring harnesses with zero modifications required for hassle-free installation.

🔹 OEM Interchange Part Numbers

Ignition Coil OEM / Interchange Numbers: 
30520-RNA-A01, 099700-101, 099700-102, UF582, UF-582, GN10324, IC662, C1580, 5C1637, 1788393, 6732305, 52-1874, E1082, 880412

🔹 Compatible Vehicle List

🚗 Honda Vehicles
Civic 2006‑2011 DX (Coupe / Sedan)

Civic 2006‑2011 LX (Coupe / Sedan)

Civic 2006‑2011 EX (Coupe / Sedan)

Civic 2008‑2011 EX-L (Coupe / Sedan)

Civic 2006‑2011 GX (Sedan)

Civic 2009‑2011 LX-S (Sedan)

Civic 2009‑2010 Sport (Sedan)

Civic 2008‑2011 DX-G (Coupe / Sedan)

Civic 2006‑2007 LXS (Sedan)

Civic 2006‑2007 EXS (Sedan)

⚠️Important Pre-Purchase Reminder

Before ordering, match your original coil’s 3-pin rectangular flat plug and overall pencil-style shape to our product photos. Coils with mismatched connectors cannot be swapped. Verify your car’s year, model and engine displacement to prevent fitment errors.

🔹 Ignition Coil (UF582) Construction & Specs

• 3-Pin Rectangular Female Connector: Perfectly mates with factory wiring harness, eliminates loose connections, intermittent spark output and difficult startup issues, ensuring stable signal transmission.

• Integrated Bolt Mount Tab: Factory-positioned mounting hole for direct bolt-on installation, no extra brackets or adapters needed, consistent with original installation standards.

• Reinforced High-Temperature Rubber Boot: Resists cracking, engine oil contamination and heat degradation under harsh engine bay operating conditions, effectively protects spark terminals.

• Full Epoxy Encapsulated Housing: Blocks high-voltage leakage, protects internal pure copper windings, and withstands extreme temperature fluctuations and vibration for stable long-term operation.

• High-Energy Pure Copper Internal Winding: Delivers stable high‑voltage spark for complete fuel combustion, improved throttle response, power boost and lower exhaust emissions.

• Specialized Boot Structure: Allows dielectric grease application during installation to stop terminal corrosion and stuck boots for convenient future maintenance removal.

🔹 Official Specifications

1. Coil Type: Pencil-Style Coil On Plug (COP) Distributorless Ignition Coil

2. Terminal Type: Blade Terminal

3. Mount Style: Bolt-On Fixed Mount

4. Connector Gender: Female

5. Terminal Count: 3

6. Connector Shape: Rectangular Flat 3‑Pin Connector

🔹 Iridium Spark Plug Premium Features

• Ultra-Thin Iridium Center Electrode: Delivers precise stable sparks, cuts ignition resistance, resists oxidation and corrosion, and extends service life far beyond ordinary copper plugs.
  
  
• High-Grade Alumina Ceramic Insulator: Tolerates extreme high engine bay temperatures, minimizes voltage loss and maintains consistent spark output under heavy load and high-speed driving.
  
  
• Tapered Side Electrodes: Optimizes fuel ignition for fuller and more efficient combustion, reduces gas consumption and effectively improves overall fuel efficiency.
  
  
• Pre-Set Factory Spark Gap: No manual gap adjustment required right out of the box, ensuring instant and reliable ignition performance.
  
  
• Precision Machined Threads: Smooth threading prevents cross-threading during installation, forms a tight leak-free seal on cylinder heads to avoid air leakage.
  
  
• Anti-Jitter Performance: Eliminates engine shaking, random misfire and rough idle troubles triggered by worn factory spark plugs.

🔹 Key Product Advantages

1. OEM Direct Replacement: Exact dimensional and performance match for original factory ignition components, fully compliant with OE manufacturing standards, plug-and-play without modification.

2. Eliminate Common Engine Faults: Fix backfiring, hard cold starting, poor fuel economy, cylinder misfires, engine stalling, rough idle vibration and P0300-P0304 fault codes.

3. Boost Driving Performance: Enables faster cold cranking, smoother steady acceleration and sharper throttle response while optimizing engine power output and combustion efficiency.

4. Durable Long-Lasting Build: Industrial-grade premium materials and precision engineering greatly prolong service lifespan, high temperature and vibration resistant for harsh engine environments.

5. Plug & Play Installation: Straightforward DIY replacement process, works with standard hand tools for home garage or professional shop repair, saving time and labor costs.

🔹 Step-by-Step Ignition Coil Installation Guide

1. Disconnect the vehicle battery and let the engine cool completely before beginning work to avoid scalding and circuit damage.

2. Unplug the factory wiring harness connector, then pull out the old ignition coil. Inspect the rubber boot for oil or coolant contamination.

3. Visually cross-check your original coil against the new unit to confirm matching 3-pin connector and physical dimensions.

4. Seat the new ignition coil in place. Ensure the low-voltage plug surface is clean and free of dirt/debris. Apply a thin layer of dielectric grease to the rubber boot if available.

5. Reinstall the mounting bolt and torque to OEM specifications — never over-tighten to avoid cracking the coil housing.

6. Reconnect the vehicle battery, start the engine, clear P0300-P0304 cylinder misfire ECU fault codes, then test-drive to confirm stable engine operation.

🔹 Package Includes:

4 x Direct Ignition Coils

4 x Iridium Spark Plugs