Ignition Coil
Shop Cost
~$150
DIY Parts
~$40
You Save
~$110
Tools needed (one-time, if you don't own them)~$40
Tools Required (2)
Socket set (8-10mm)
Torx bits
Parts & Consumables
Ignition coil(s)Dielectric grease
Pro Tip If one fails, replace all — same age.
🚗 Vehicle-Specific Notes
Honda
10mm bolt per coil. Direct-on-plug. Pull straight up. Apply dielectric grease to boot.
Toyota
10mm bolt. Pull straight up. Denso coils recommended.
BMW
T30 Torx to remove. Connector tab is fragile — press gently. Replace all at once.
Extra tools: T30 Torx
Ford
Ecoboost: 7mm bolt per coil. Tight space on some. WD-40 the connectors.
Subaru
Side-mounted on boxer. 10mm bolt. Connectors are under the coil.
Volkswagen
Pull-up design. Connector tab clips. Replace all 4 together.
❓ Common Questions
What tools do I need for a ignition coil?
You need 2 tools: Socket set (8-10mm), Torx bits. Parts required: Ignition coil(s), Dielectric grease.
How much does a ignition coil cost DIY vs shop?
A shop charges approximately $150. Doing it yourself costs about $40 in parts, saving you $110.
How hard is a ignition coil to do yourself?
Rated Beginner (1/5 difficulty). Typically takes 15-30 min. If one fails, replace all — same age.
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