How to conduct an operating and airtightness check on a brake booster on 2010 Mazda 3?

Perform pedal-operating and airtightness checks with the engine on/off to confirm normal pedal travel. Disassembly requires special tools; if needed, remove upper cover, master cylinder, battery and tray, disconnect lines and vacuum hose, unbolt and remove booster, replace damaged gasket, reinstall, refill, bleed the brakes, and test.

Genuine 2010 Mazda 3 Brake Booster

Brake Power Booster

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3 Brake Boosters found

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2010 Mazda 3 Brake Booster Part Number: BBY7-43-80ZA
$295.88 MSRP: $394.59
You Save: $98.71 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Vacuum Power Assist; Power Booster
- Replaces: BBY7-43-80Z
- Item Weight: 9.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: BBY7-43-80ZA
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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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
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2010 Mazda 3 Brake Booster Part Number: BBY2-43-80ZA
$389.48 MSRP: $523.60
You Save: $134.12 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Power Assist; Brake Booster
- Replaces: BBY2-43-80Z
- Item Weight: 9.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: BBY2-43-80ZA
- 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
View related parts
2010 Mazda 3 Brake Booster Part Number: B3YD4380Z
Product Specifications
- Other Name: Vacuum Power Assist
- Item Weight: 10.20 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: B3YD4380Z
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2010 Mazda 3 Submodels:
- Mazdaspeed | 4 Cyl 2.3 L GAS

2010 Mazda 3 Brake Booster Parts and Q&A

Q: How to conduct an operating and airtightness check on a brake booster on 2010 Mazda 3?
A: Perform pedal-operating and airtightness checks with the engine on/off to confirm normal pedal travel. Disassembly requires special tools; if needed, remove upper cover, master cylinder, battery and tray, disconnect lines and vacuum hose, unbolt and remove booster, replace damaged gasket, reinstall, refill, bleed the brakes, and test.