Dorman 926-387 Knock Sensor And Harness Kit Compatible with Select Lexus/Toyota Models
$50.78
Price: $50.78
(as of Sep 19, 2025 22:13:02 UTC – Details)
Check engine light on and vehicle running rough? Could be a failed knock sensor. This ignition knock sensor kit combines both necessary sensors and the wiring harness that joins them for a complete repair in one package. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) – [Lexus ES300: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003] – [Lexus RX300: 1999, 2000, 2001, 2002, 2003] – [Toyota Camry: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] – [Toyota Highlander: 2001, 2002, 2003] – [Toyota Sienna: 1998, 1999, 2000, 2001, 2002, 2003] – [Toyota Solara: 1999, 2000, 2001, 2002, 2003]
Complete solution – this knock sensor kit includes two knock sensors and the wiring harness that connects them
Plug-and-play installation – matches original wiring harness, requiring no cutting or splicing
Quality assured – benchmarked against original components for performance and quality
Excellent value – original equipment quality at significant cost savings
Ensure fit – to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Customers say
Customers report mixed experiences with the knock sensor and harness kit’s functionality, with some saying it works as intended while others say it doesn’t work. The product receives mixed reviews for quality, with some finding it good while others consider it inferior. Customers report issues with durability, with multiple reports of sensors breaking, and installation difficulties, with several mentioning it’s a pain to install. The fit, value for money, harness quality, and code removal aspects also receive mixed feedback from customers.
13 reviews for Dorman 926-387 Knock Sensor And Harness Kit Compatible with Select Lexus/Toyota Models
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$50.78
John –
Thumbs up
Installed on 02 es300 work car with 340k miles a while back. So far so good. Before I changed them, the car wouldnt run right. It had no power and wouldnt go into O/D. I cleared the code when I replaced them and problems solved.
Mohamed Nawwar –
Good quality
like oem…works fine for a month now
andrew bowen –
Low quality
Missing harness and one broken sensor
Faras Maroge –
Very good alternative to dealer
Had to purchase these and relocate it to the outside. Initially I purchased denso ones off of ebay and they were junk. I just left the denso in the engine. Unfortuantely I didn’t know they were bad until I finished and the code came back right away. These ones did the trick. I have no idea how long they will last but they fixed the vehicle es300 2003. Rat had chewed the wires. I spent so long trying to fix it either cutting the wire and making it into one to only make things worse. The only thing that fixed it was relocating it out of the engine and attaching it to the fuel rail metal part. Only do this when you are sure its the wire or the actual sensor. If you have issue with the engine itself you will have to fix. Hope this helps.
Franko M. –
Fits just right 2001 Solara
Its a big job to do, But these sensors threaded in nicely, Dorman products usually play well with Toyota fitment. The Price for these were off the charts great for what you getting. I will know more once I drive the vehicle and turn off the check engine light.
Tony Liu –
Kit works but there maybe an issue with the harness
The knock sensors were a perfect replacement for the Camry I was working on. The problem with them is the connector on the harness itself is very similar to the factory but will not clip on. Remedied the problem by using a zip tie to secure the connection.
edgar alonso medina –
2002 Lexus ES300 and 2002 Toyota Highlander 3.0
So far so good one day ago . Becarful when tightening one broke little crack when I was tightening so I had to run to OâReilly and get another one same brand . 2002 Lexus ES300 and I ordered another ones for my 2002 Toyota Highlander v6 3.0 that I going to do it this week
Disappointed –
Harness fitment issues
I generally donât give reviews but due to the amount of work to do this procedure I should share my experience.While the sensors appear to be of good quality, the harness connector that goes to the factory harness does not fit securely. The issue is as shown in pictures, the OEM plug has thinner side walls than this Dorman one. It will only go in until hitting the rubber seal. I ended up using the OEM plug on the new harness so it would actually click lock in place. This requires pulling the connection blades from the plugs to swap them.One other thing to note is that the new harness has a slightly higher impedance than the OEM harness(.00 vs.01). Probably doesnât make a difference but worth mentioning. OEM has gold plated leads and heavier gauge wire
Susan –
Good product
Oliver Foote –
This installation took me very very very long. I ended up getting a set of gaskets, an angled ratchet for those stubborn bolts behind the plenum. I also did the spark plugs and ignition coils, half are buried under the plenum. Save yourself some money and buy them from RockAuto if you are in Canada, amazing prices, fast shipping. Also, get some coolant or drain it beforehand because it’ll need replacing. Overall, hoping that these things last. Will update if anything changes.
Allan Abramoff –
Fixed the old one that were tripping the knock sensor codes on my 2001 toyota highlander with 278,000kms
Trevor H –
Once again I thought I could cheap out and buy this quick change kit but it ended up causing more issues! Unsure why whether it be bad sensors or wording harness was wired wrong, the 4 pin connecter would not click in properly so I had to zip tie it and after installing had huge loss of power and went from 1 code too 2 bad knock sensor codes aka DO NOT BUY!!!
Blane –
Try testing didnât work