NTK Ignition Knock (Detonation) Sensor ID0251
NTK Ignition Knock (Detonation) Sensor ID0251 - view 2
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NTK Ignition Knock (Detonation) Sensor ID0251
NTK Ignition Knock (Detonation) Sensor ID0251 - view 2
NTK Ignition Knock (Detonation) Sensor ID0251 - view 3
NTK Ignition Knock (Detonation) Sensor ID0251 - view 4
NTK Ignition Knock (Detonation) Sensor ID0251 - view 5

Ignition Knock (Detonation) Sensor for 2006-2015 Subaru Outback & More - NTK ID0251

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$56.99
WARNING:California Proposition 65▾
MPN: ID0251
Item Package Quantity: 1
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NTK Ignition Knock (Detonation) Sensor P/N:ID0251
NTK Ignition Knock (Detonation) Sensor P/N:ID0251
$56.99

NTK ID0251 ignition knock (detonation) sensor for the 2006-2009 Subaru Outback H6 3.0L, the 2010-2015 Outback H6 3.6L and other vehicles monitors the vibrations caused by engine knock so the ignition timing can be altered. When knock is detected, timing is delayed to help prevent severe and costly engine damage.

  • Piezoelectric crystal generates a varying voltage based on engine vibration intensity
  • Reinforced components reduce the chance of part failure and prevent corrosion and moisture penetration
  • Shielded harness prevents electrical interference

Quick facts

  • Part: NTK ID0251 ignition knock (detonation) sensor
  • Fits: the 2006-2009 Subaru Outback H6 3.0L, the 2010-2015 Outback H6 3.6L and other vehicles
  • Condition: New

A check engine light, engine hesitation, poor fuel economy or a failed emissions test can mean the sensor is worn, though spark plugs or an ignition coil can be behind the same symptoms.

Fits

The vehicles it fits include the 2013-2019 Mazda CX-5, the 2008-2009 Subaru Legacy H6 3.0L and the 2010-2011 Legacy H6 3.6L. It is built to meet or exceed OE fit, form and function. This listing is one sensor; the 2006-2009 Subaru Outback H6 3.0L takes one, and some other vehicles take two. Owners of other Subaru, Mazda, Infiniti or Nissan models can find their car on the Buyer's Guide tab.

Specifications

Fit and size

  • Quantity per vehicle: 1 or 2, depending on the vehicle
  • Sold individually: one sensor per listing

Build and materials

  • Sensing element: piezoelectric crystal
  • Harness: shielded
  • Condition: New
  • Warranty: NTK 3 year/36,000 mile warranty

Installation notes

  • Mounting threads, harness length and wire gauge match OE for easy installation.

Interchange: 158-1111 · PE01-18-921 · 22060-2A000 · 22060-AA130
EKS136 · S8804 · S8902 · AS10228 · DKS584 · DKS742 · 2KNC0010 · KS204 · KS302 · KS477

This part cross-references / interchanges with the following part numbers:

EKS136, S8804, S8902, 158-1111, AS10228, DKS584, DKS742, 2KNC0010, PE01-18-921, KS204, KS302, KS477, 22060-2A000, 22060-AA130

Frequently Asked Questions

Does the NTK ID0251 ignition knock (detonation) sensor fit the 2013-2019 Mazda CX-5?

Yes. NTK ID0251 is listed for the 2013-2019 Mazda CX-5. Owners of other models can look up their car on the Buyer's Guide tab.

How does the piezoelectric crystal in this ignition knock (detonation) sensor work?

The piezoelectric crystal in this NTK ID0251 sensor generates a varying voltage based on engine vibration intensity, which is used to delay ignition timing and help prevent engine damage.

Is the harness on this ignition knock (detonation) sensor shielded?

Yes. The harness is shielded to prevent electrical interference, and its length and wire gauge match OE.

What are reasons to replace an ignition knock (detonation) sensor?

Check engine light illumination, engine hesitation, poor fuel economy or a failed emissions test are reasons to replace this sensor.

What warranty comes with the NTK ID0251 ignition knock (detonation) sensor?

NTK backs the ID0251 sensor with a 3 year, 36,000 mile warranty.

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