How to disconnect and replace the alternator on 2010 Mazda 3?

Unplug the cable on the negative battery terminal. Lift up the car and take away the right front wheel and splash cover. Remove the tank of coolant. In types of engines, take off the drivebelts and the alternator. In case of replacement, carry the old alternator with you. Removal is the opposite of installation. Re-connect battery cable and test the charge voltage.

Genuine 2010 Mazda 3 Alternator

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2 Alternators found

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2010 Mazda 3 Alternator Part Number: LF8J-18-300
$398.09 MSRP: $535.17
You Save: $137.08 (26%)
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Product Specifications
- Item Weight: 13.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: LF8J-18-300
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2010 Mazda 3 Submodels:
- i | 4 Cyl 2.0 L GAS
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2010 Mazda 3 Alternator Part Number: L548-18-300B
$540.59 MSRP: $726.74
You Save: $186.15 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: L548-18-300R-0B
- Item Weight: 12.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L548-18-300B
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2010 Mazda 3 Submodels:
- S | 4 Cyl 2.5 L GAS

2010 Mazda 3 Alternator Parts and Q&A

Q: How to disconnect and replace the alternator on 2010 Mazda 3?
A: Unplug the cable on the negative battery terminal. Lift up the car and take away the right front wheel and splash cover. Remove the tank of coolant. In types of engines, take off the drivebelts and the alternator. In case of replacement, carry the old alternator with you. Removal is the opposite of installation. Re-connect battery cable and test the charge voltage.