4 Set Ignition Coils & 4X Spark Plugs for 2003-2007 Honda Accord Element 2.4L UF311

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 & Acura L4 gas engines. Our coils produce 20% more ignition energy than factory parts. Together with durable iridium spark plugs, they fix misfires, rough idle, hard starts, backfires and bad fuel mileage. The 3-pin connector matches original wiring harnesses with no extra modifications required.

🔹 OEM Interchange Part Numbers

Ignition Coil OE Factory Numbers: 
30520-PNA-007, 30520-RAA-007, 30520-RRA-007, 30520-PMA-007, 30520-PRA-007, 30520-PRA-A01, 30520-PWA-007, 099700-0700, 099700-1151, 673-2301

Aftermarket Cross Reference:
UF311, UF-311, UF311T, UF583, UF-583, UF393, UF-393, GN10370, C-540, C1574, IC441, IC513, IC663, IC441SB, 921-2048, 36-8156, 5C1382, C1382, C1382SPEC, 5C1631, C1417, C1423, E1083, E341, E413, 2-50239, 50239, 880258, DMB1065, 178-8358

🔹 Compatible Vehicle List

🚗 Honda Vehicles

Accord    2003-2007  (2.4L L4)
Civic       2002-2011  (2.0L L4)  
CR-V       2002-2009  (2.4L L4)
Element  2003–2011  (2.4L L4)
S2000     2004-2005  (2.2L L4)    

🚗 Acura Vehicles

RSX        2002-2006  (2.0L L4)
CSX        2006–2011  (2.0L L4)

⚠️Important Pre-Purchase Reminder

Before ordering, match your original coil’s 3-pin rectangular plug and shape to our photos. This kit only fits the listed Honda & Acura L4 vehicles. Coils with mismatched connectors cannot be swapped. Verify your car’s year, model and engine size to prevent fitment issues.

🔹 Ignition Coil (UF311) Construction & Specs

• 3-Pin Rectangular Female Connector: Matches original vehicle wiring harness to prevent loose connections, intermittent sparks and startup failures.

• Integrated Bolt Mount Tab: Factory-aligned mounting hole for direct bolt-on installation, no extra brackets or adapters required.

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

• Full Epoxy Encapsulated Housing: Blocks voltage leakage, insulates internal winding components and withstands extreme heat fluctuations.

• High-Energy Internal Winding: Boost ignition power by 20% to strengthen combustion, improve throttle response and reduce exhaust emissions.

• Pre-Greased Boot Design: Prevents corrosion and sticking during future maintenance removal.

🔹 Official Specifications

1. Coil Type: Pencil-Style Direct 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 Port

🔹 Iridium Spark Plug Premium Features

• Ultra-Thin Iridium Center Electrode: Precisely delivers stable sparks, lowers ignition resistance and extends service life with excellent oxidation resistance.
  
  
• High-Grade Alumina Ceramic Insulator: Withstands extreme high temperatures, minimizes voltage loss and maintains consistent spark output under heavy engine load.
  
  
• Tapered Side Electrodes: Optimizes charge accumulation for more complete combustion, cutting fuel consumption and boosting overall fuel efficiency.
  
  
• Pre-Set Factory Spark Gap: No manual gap adjustment required out of the box for instant reliable ignition performance.
• Precision Machined Threads: Smooth threading avoids cross-threading during installation, creating a tight leak-free seal in cylinder heads.
  
  
• Anti-Jitter Performance: Eliminates engine shaking and misfire issues caused by worn factory spark plugs.

🔹 Key Product Advantages

1. OEM Direct Replacement: Exact match for original factory ignition components, fully compliant with original car manufacturing standards.

2. Eliminate Common Engine Faults: Fix backfiring, hard starting, poor fuel economy, engine misfires, vehicle stalling and rough engine shaking.

3. Boost Driving Performance: Delivers faster cold starts, smoother stable acceleration and sharper throttle response while increasing horsepower output.

4. Durable Long-Lasting Build: Superior industrial-grade materials with exquisite precision manufacturing for extended service lifespan.

5. Plug & Play Installation: Straightforward DIY replacement process, compatible with standard garage hand tools.

🔹 Step-by-Step Ignition Coil Installation Guide

1. Disconnect the vehicle battery and wait for the engine to fully cool down before starting work.

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

3. Visually compare your original coil with the new replacement coil to confirm matching 3-pin connector and physical dimensions.

4. Fit the new ignition coil into position, ensure low-voltage plug surfaces are free of dirt and contamination.

5. Reinstall the mounting bolt and tighten to factory torque specifications—never over-tighten to avoid component damage.

6. Reconnect the vehicle battery, start the engine and clear ECU fault codes; test driving to verify stable engine operation.

🔹 Package Includes:

4 x UF311 Direct Ignition Coils

4 x Iridium Spark Plugs