How to disconnect the ignition coil and remove the upper engine cover on 2010 Mazda 3?

Disconnect the cable with the negative battery terminal. Take off upper engine cover, unscrewing it off the mounting posts. Dislodge the electric connector of the ignition coil and take off its fitting. Disconnect the coil of the spark plug. Installation is the opposite of removal.

Genuine 2010 Mazda 3 Ignition Coil

Ignition Coil Resistor

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2 Ignition Coils found

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2010 Mazda 3 Ignition Coil Part Number: LF2L-18-100A
$93.70 MSRP: $124.96
You Save: $31.26 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coil, Ignition
- Replaces: LF2L-18-100
- Item Weight: 1.10 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: LF2L-18-100A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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Fits the following 2010 Mazda 3 Submodels:
- Mazdaspeed | 4 Cyl 2.3 L GAS
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2010 Mazda 3 Ignition Coil Part Number: L3G2-18-100B-9U
$122.51 MSRP: $163.38
You Save: $40.87 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Coil
- Replaces: L3G2-18-100A-9U, L3G2-18-100, L3G2-18-100B, L3K9-18-100B, L3K9-18-100A, L3G2-18-100A
- Item Weight: 1.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L3G2-18-100B-9U
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
More Info
Fits the following 2010 Mazda 3 Submodels:
- i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS

2010 Mazda 3 Ignition Coil Parts and Q&A

Q: How to disconnect the ignition coil and remove the upper engine cover on 2010 Mazda 3?
A: Disconnect the cable with the negative battery terminal. Take off upper engine cover, unscrewing it off the mounting posts. Dislodge the electric connector of the ignition coil and take off its fitting. Disconnect the coil of the spark plug. Installation is the opposite of removal.