How to Inspect and Replace Spark Plugs on the Acura MDX?

Spark plugs are in the center of each cylinder head. To replace, you need a spark plug socket, extensions, a feeler gauge, and a torque wrench. Buy the correct plugs, check the gaps, and replace one at a time. Let the engine cool before removing plugs. Inspect new plugs for defects and check gaps. Remove engine and ignition coil covers. Disconnect the ignition coils and remove the spark plug. Apply anti-seize compound to the plug threads, avoiding the electrodes. Install the new plug, then attach the coil. Repeat for all plugs.

Genuine Acura MDX Spark Plug

Ignition Spark Plug

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11 Spark Plugs found

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Acura MDX Spark Plug (Dilzkr7B11G) (Ngk)
Part Number: 12290-R9P-A01
$41.62 MSRP: $58.05
You Save: $16.43 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Ilzkr7B11) (Ngk)
Part Number: 12290-R70-A01
$24.01 MSRP: $33.48
You Save: $9.47 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug
Part Number: 12290-R40-A01
$24.06 MSRP: $33.55
You Save: $9.49 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug (Ilzkr7B-11S) (Ngk)
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Skj20Dr-M11) (Denso)
Part Number: 9807B-5615W
$20.00 MSRP: $27.89
You Save: $7.89 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug
- Replaces: 12290-PND-A02
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Sxu22Hcr11S) (Denso)
Part Number: 12290-R40-A02
$23.49 MSRP: $33.55
You Save: $10.06 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Pzfr5F-11) (Ngk)
Part Number: 98079-5514N
$18.64 MSRP: $26.00
You Save: $7.36 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Izfr5K11) (Ngk)
Part Number: 9807B-5517W
$21.01 MSRP: $29.30
You Save: $8.29 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Dilkar8P8Sy) (Ngk)
Part Number: 12290-6A0-A01
$32.08 MSRP: $45.82
You Save: $13.74 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Skj16Dr-M11) (Denso)
Part Number: 9807B-5515W
$18.64 MSRP: $26.00
You Save: $7.36 (29%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Sxu22Hcr11) (Denso)
Part Number: 12290-R70-A02
$35.47 MSRP: $49.47
You Save: $14.00 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Spark Plug (Ilzkr7B11) (Ngk)
Part Number: 12290-R76-H01
Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura MDX Spark Plug

The Acura MDX Spark Plug sets off the fuel-air charge at the perfect instant, creating the burst that pushes each piston and gets the SUV moving. Mounted atop every cylinder, each Spark Plug pulls high voltage from the coil, leaps the gap between copper center and side electrode, and sparks hundreds of times per minute. Porcelain insulation routes heat away while preventing unwanted grounding, giving the Acura engine steady power and long part life. The MDX has applied two heat ranges, hot plugs that stay warmer to burn deposits for daily driving, and cold plugs that shed heat quickly for higher performance. Both share a steel case, ceramic body, and copper core, yet different porcelain thickness is the key trait separating one Spark Plug style from the other. When an Acura driver feels sluggish starts or poorer mileage, worn Spark Plug tips are prime suspects, and a quick swap brings back crisp response. Because the MDX can make each Spark Plug fire over a thousand times a minute at speed, timely changes protect Acura powertrains and keep every MDX running sharp.

We provide a broad range of OEM Acura MDX Spark Plug at unbeatable prices on our website. For your OEM parts, You can count on the guaranteed quality, manufacturer's warranty, outstanding customer service, and prompt delivery. We look forward to your visit.

Acura MDX Spark Plug Parts Questions & Experts Answers

Spark Plug (Skj20Dr-M11) (Denso)
9807B-5615W
Q: How to Inspect and Replace Spark Plugs on the Acura MDX?
A:
Spark plugs are in the center of each cylinder head. To replace, you need a spark plug socket, extensions, a feeler gauge, and a torque wrench. Buy the correct plugs, check the gaps, and replace one at a time. Let the engine cool before removing plugs. Inspect new plugs for defects and check gaps. Remove engine and ignition coil covers. Disconnect the ignition coils and remove the spark plug. Apply anti-seize compound to the plug threads, avoiding the electrodes. Install the new plug, then attach the coil. Repeat for all plugs.