Porsche Spark Plugs

99917012891 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-128-91
$39.35
MSRP $43.99
Save $4.64
10.5% Off
99917017690 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-176-90
$94.58
MSRP $123.35
Save $28.77
23.3% Off
99917001790 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-017-90
$42.14
MSRP $52.76
Save $10.62
20.1% Off
PAC905601 - : Spark Plug for Porsche Image

Spark Plug

Porsche PAC-905-601
2.0L.
$33.24
MSRP $41.87
Save $8.63
20.6% Off
9991701899A - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-189-9A
$11.98
MSRP $16.08
Save $4.10
25.5% Off
99917023290 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-232-90
$27.96
MSRP $37.50
Save $9.54
25.4% Off
99917019590 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-195-90
Vendor:BERU. Vendor #14fr 6ldu.
$18.54
MSRP $20.72
Save $2.18
10.5% Off
99917013090 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-130-90
2009-12. 4.8L, without turbo. 3.6L. From Chassis/VIN 9 05541. From Engine # 04965.
$28.63
MSRP $36.06
Save $7.43
20.6% Off
99917006290 - : Spark Plug for Porsche Image

Spark Plug

Porsche 999-170-062-90
$14.77
MSRP $21.10
Save $6.33
30% Off
95517022090 - : Spark Plug for Porsche Image

Spark Plug

Porsche 955-170-220-90
2008-10, 3.6l.
$32.47
MSRP $36.29
Save $3.82
10.5% Off
9A790560150 - : Spark Plug for Porsche Image

Spark Plug

Porsche 9A7-905-601-50
The Porsche Spark Plug (Part Number: 9A7-905-601-50, SKU: 9A7-905-601-50) is a vital engine component designed to deliver reliable...
$36.58
MSRP $46.08
Save $9.50
20.6% Off

No results found for "spark plug". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


Maintaining Your Porsche Spark Plugs

Spark plugs ignite the air-fuel mixture inside the engine to keep your Porsche running smoothly. Over time, electrodes wear down and carbon builds up, which can reduce efficiency and performance. At Delaware Porsche Parts, we provide genuine Porsche spark plugs designed to last longer and deliver consistent firing. Using authentic parts ensures reliability compared to lower-priced, generic aftermarket alternatives.

How Spark Plugs Work

Spark plugs create the electrical spark needed to ignite the fuel in the combustion chamber. Worn or fouled plugs can cause misfires, poor fuel economy, and rough idling. Replacing them with genuine Porsche components keeps your engine running efficiently and works seamlessly with other parts like a genuine Porsche ignition coil. Models such as the 911 and Panamera perform at their best with authentic spark plugs installed.

Why Spark Plugs Break Down

Electrode erosion, carbon deposits, and extreme engine heat can reduce spark plug performance over time. Drivers of the 911 and Panamera may notice rough starts or reduced acceleration when plugs are overdue for replacement. Genuine Porsche spark plugs resist buildup and maintain proper ignition timing for smooth operation.

When To Replace Spark Plugs

Check spark plugs at the intervals specified in your Porsche owner’s manual or sooner if misfires or decreased performance occur. Using genuine Porsche spark plugs ensures long-lasting reliability and consistent engine performance. Vehicles like the 911 and Panamera stay responsive and efficient with authentic parts. At Delaware Porsche Parts, we help find the correct replacements quickly and accurately.

Spark Plug FAQ

Q: How often should I replace spark plugs?
A: Every 30,000–60,000 miles depending on model and driving habits. Genuine Porsche plugs maintain proper performance over their lifespan.

Q: Can I mix aftermarket plugs with Porsche ignition coils?
A: Using non-genuine plugs may cause misfires or damage to ignition coils. Genuine plugs ensure compatibility and safe operation.

Q: What causes spark plug fouling?
A: Carbon buildup, oil leaks, or incorrect fuel mixtures. Authentic Porsche plugs resist fouling better than generic alternatives.