Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Price

Parts for your 2019 Holden Astra-Knock sensor

Sort by
Tridon Knock Sensor - TKS137

Tridon Knock Sensor - TKS137

$259
Fitment Notes:
See More
Tridon Knock Sensor - TKS081

Tridon Knock Sensor - TKS081

$64
Fitment Notes:
See More
Tridon Knock Sensor - TKS142

Tridon Knock Sensor - TKS142

$174
Fitment Notes:
See More
OEX  Knock Sensor - CKS121

OEX Knock Sensor - CKS121

$329
Fitment Notes:
See More
Tridon Knock Sensor - TKS056

Tridon Knock Sensor - TKS056

$65
Fitment Notes:
See More
Goss Knock Sensor - K1518

Goss Knock Sensor - K1518

$260
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1543GEN

Genuine OEM Knock Sensor - K1543GEN

$397
Fitment Notes:
See More

Explore 4WD & Adventure

OEX  Knock Sensor - CKS162

OEX Knock Sensor - CKS162

$146
Fitment Notes:
See More
Tridon Knock Sensor - TKS143

Tridon Knock Sensor - TKS143

$99
Fitment Notes:
See More
Tridon Knock Sensor - TKS006

Tridon Knock Sensor - TKS006

$264
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1579GEN

Genuine OEM Knock Sensor - K1579GEN

$1,049
Fitment Notes:
See More
Tridon Knock Sensor - TKS110

Tridon Knock Sensor - TKS110

$749
Fitment Notes:
See More
Tridon Knock Sensor - TKS097

Tridon Knock Sensor - TKS097

$472
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1566GEN

Genuine OEM Knock Sensor - K1566GEN

$476
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1614GEN

Genuine OEM Knock Sensor - K1614GEN

$378
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1568GEN

Genuine OEM Knock Sensor - K1568GEN

$383
Fitment Notes:
See More
Goss Knock Sensor - K1533

Goss Knock Sensor - K1533

$309
Fitment Notes:
See More
OEX  Knock Sensor - CKS115

OEX Knock Sensor - CKS115

$282
Fitment Notes:
See More
OEX  Knock Sensor - CKS125

OEX Knock Sensor - CKS125

$258
Fitment Notes:
See More
Tridon Knock Sensor - TKS091

Tridon Knock Sensor - TKS091

$195
Fitment Notes:
See More
Tridon Knock Sensor - TKS024

Tridon Knock Sensor - TKS024

$194
Fitment Notes:
See More
Tridon Knock Sensor - TKS032

Tridon Knock Sensor - TKS032

$209
Fitment Notes:
See More
Tridon Knock Sensor - TKS109

Tridon Knock Sensor - TKS109

$168
Fitment Notes:
See More
Tridon Knock Sensor - TKS108

Tridon Knock Sensor - TKS108

$172
Fitment Notes:
See More
Tridon Knock Sensor - TKS038

Tridon Knock Sensor - TKS038

$190
Fitment Notes:
See More
Tridon Knock Sensor - TKS114

Tridon Knock Sensor - TKS114

$170
Fitment Notes:
See More
Tridon Knock Sensor - TKS041

Tridon Knock Sensor - TKS041

$176
Fitment Notes:
See More
Tridon Knock Sensor - TKS070

Tridon Knock Sensor - TKS070

$142
Fitment Notes:
See More
OEX  Knock Sensor - CKS257

OEX Knock Sensor - CKS257

$161
Fitment Notes:
See More
Tridon Knock Sensor - TKS051

Tridon Knock Sensor - TKS051

$230
Fitment Notes:
See More
Tridon Knock Sensor - TKS112

Tridon Knock Sensor - TKS112

$265
Fitment Notes:
See More
Goss Knock Sensor - K1554

Goss Knock Sensor - K1554

$662
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1570GEN

Genuine OEM Knock Sensor - K1570GEN

$575
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1539GEN

Genuine OEM Knock Sensor - K1539GEN

$701
Fitment Notes:
See More
Goss Knock Sensor - K1590

Goss Knock Sensor - K1590

$591
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1589GEN

Genuine OEM Knock Sensor - K1589GEN

$645
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1553GEN

Genuine OEM Knock Sensor - K1553GEN

$800
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1549GEN

Genuine OEM Knock Sensor - K1549GEN

$640
Fitment Notes:
See More
Genuine OEM Knock Sensor - K1548GEN

Genuine OEM Knock Sensor - K1548GEN

$862
Fitment Notes:
See More
Showing 1 - 39 of 200 products

The Role of the Knock Sensor in the 2019 Holden Astra

The 2019 Holden Astra, a sleek blend of style, technology, and performance, houses a multitude of intricate components working in harmony to deliver an optimal driving experience. At the heart of this operation is a critical, yet often overlooked, component known as the knock sensor. This device plays an essential role in ensuring the engine runs smoothly and efficiently, making it a crucial element of the Holden Astra experience.

Knock sensors are designed to monitor the engine for signs of ''knocking'' or ''pinging,'' which are sounds indicative of pre-ignition or detonation in the combustion chamber. These terms might sound a bit technical, but basically, it's the occurrence of fuel-air mixture in the engine igniting ahead of the spark plug's ignition sequence. Such premature ignition can lead to inefficient operation, decreased performance, and potential engine damage over time - a scenario every car enthusiast and driver would want to avoid.

The sensor then sends signals to the engine control unit (ECU) to adjust the ignition timing and, in some cases, fuel injection to prevent this undesirable knocking. It acts as the engine's ear, constantly listening out for that tell-tale sound of knocking and pinging, enabling proactive adjustments for a smoother engine performance.

The 2019 Holden Astra relies on reliable brands like Tridon to ensure its knock sensors are top-notch and up to the task. Tridon has a reputation for producing components that meet or exceed the expectations of the automotive industry. Their products are respected in the market for their durability and compatibility with a wide range of vehicles.

So, what happens if a knock sensor fails? Well, if this piece of technology decides to go on a hiatus, it can lead to a host of problems for the car owner. Potential symptoms of a faulty knock sensor include engine warning lights flickering on, noticeable power loss, or an increase in exhaust emissions. The engine might feel rough as it struggles to maintain its efficiency, not an ideal companion for a smooth drive.

Another reliable brand favoured by many car owners for replacement knock sensors is Bosch. Known globally for its innovation and reliability, Bosch provides components that fit seamlessly into the fabric of the Astra's performance-oriented framework. As they say, your car is only as good as the parts that make it up.

  • Tridon
  • Bosch
  • Delphi

When it comes to taking action against a malfunctioning knock sensor, car owners have a few options. It's standard practice to have professional diagnostics run on the vehicle. This often involves connecting the car to a detailed scanning device that can read error codes from the engine control unit. It provides a straightforward way to confirm whether the knock sensor is to blame for any noticeable engine issues.

If replacement is necessary, the process involves some automotive know-how, especially if you're feeling adventurous and want to replace the sensor yourself. However, it's always advisable for those less familiar with car mechanics to seek help from a qualified professional. After all, the correct installation of the knock sensor is vital to ensure the Holden Astra can return to its roadworthy glory.

Increasingly, car enthusiasts and owners alike are turning to reliable aftermarket solutions that cater perfectly to the mechanical demands of the Astra. Suppliers and manufacturers offer various options, ensuring that every driver can find the right fit for their vehicle without compromising on quality, efficiency, or performance.

Thanks to advancements in automotive technology, the 2019 Holden Astra's knock sensor is just one example of how ongoing innovation helps maintain vehicle longevity and performance. With the right component installed and maintained, this sensor works behind the scenes so that drivers experience nothing but the seamless operation we've come to expect from Holden.

No matter how we look at it, the knock sensor's silent operation is a testament to its role as an unsung hero in the automobile world. Without it, the journey could be far less smooth and enjoyable, reminding us that every piece, no matter how small, contributes to the bigger picture of a truly outstanding drive.