How to remove and install the throttle body on 2010 Mazda 3?

Disconnect the negative battery terminal and remove the upper engine cover. Take out the air inlet duct and, if needed, the air filter housing cover. Disconnect the throttle body electrical connector and coolant hoses. Remove the throttle body, discarding the old gasket, and cover the intake manifold. Reinstall using a new gasket.

Genuine 2010 Mazda 3 Throttle Body

Fuel Injection Throttle Body

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3 Throttle Bodies found

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2010 Mazda 3 Throttle Body Part Number: L3R4-13-640
$694.44 MSRP: $948.87
You Save: $254.43 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Throttle
- Replaces: L3G2-13-640A
- Item Weight: 2.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L3R4-13-640
- 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
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2010 Mazda 3 Throttle Body Part Number: L35M-13-640A
$871.89 MSRP: $1191.34
You Save: $319.45 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: L35M-13-640
- Item Weight: 2.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L35M-13-640A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2010 Mazda 3 Submodels:
- Mazdaspeed, S | 4 Cyl 2.3 L GAS
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2010 Mazda 3 Throttle Body Part Number: L502-13-640B
$561.93 MSRP: $755.43
You Save: $193.50 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Throttle (Mz6M)
- Item Weight: 2.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L502-13-640B
- 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 Throttle Body Parts and Q&A

Q: How to remove and install the throttle body on 2010 Mazda 3?
A: Disconnect the negative battery terminal and remove the upper engine cover. Take out the air inlet duct and, if needed, the air filter housing cover. Disconnect the throttle body electrical connector and coolant hoses. Remove the throttle body, discarding the old gasket, and cover the intake manifold. Reinstall using a new gasket.