






⚙️ Knock out engine issues with precision and confidence!
The Dorman 926-770 Engine Knock Sensor Harness is a direct-fit replacement designed specifically for Toyota Sequoia and Tundra models from 2007 to 2020. Crafted from durable copper and quality materials, it ensures reliable ignition knock detection and long-lasting performance. Easy to install with OEM-level fit and backed by expert engineering, this harness restores your vehicle’s sensor function and prevents engine damage caused by faulty wiring or corrosion.










| ASIN | B096HZ4KNN |
| Best Sellers Rank | #130,056 in Automotive ( See Top 100 in Automotive ) #40 in Automotive Replacement Detonation Sensors |
| Brand | Dorman |
| Customer Reviews | 4.6 4.6 out of 5 stars (101) |
| Date First Available | June 2, 2021 |
| Exterior | Ready To Paint If Needed |
| Item Weight | 3.98 ounces |
| Item dimensions L x W x H | 8.26 x 3.35 x 2.36 inches |
| Item model number | 926-770 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 926-770 |
| Material | Copper |
| Measuring Range | 80 - 120 dB |
| Model | Dorman 926-770 |
| Mounting Type | Flange Mount |
| OEM Part Number | 822190C020 |
| Output Type | Push-Pull |
| Product Dimensions | 8.26 x 3.35 x 2.36 inches |
| Style | Modern |
| UPC | 037495948555 |
R**B
Good quality product that fits perfectly
Fit perfectly and worked great, good value, would buy again!
A**R
Perfect replacement 2010 Toyota Tundra 5.7.
Fit like OEM, routed and connected like original. Solved my problem when mice chewed through original wire harness. Had Check engine, 4-hi, and traction control lights on. Replaced harness, didn't even have to clear codes. All lights off after replacing!
P**N
Matched the OEM Part and Works Great
Had a mouse crawl into my 2019 Tundra and chew a single wire on this knock sensor harness. Toyota wanted $250 for the OEM harness. I did some searching and found this Dorman Part number. No part suppliers in town had it in stock. Purchased this harness for half the price as the auto parts stores and received it in just a few days. Install went as expected. The connectors all worked and the harness came with the same clips as the original one and everything fit perfectly. Dorman got it right on this one! Definitely recommend this harness if you have the same issue I had!
R**T
Fits LX570 as well
Had a knock sensor code and check engine. Reasearch mostly pointed to rodents chewing on the knock sensor harness but it was all for trundras. I couldn't find a part number for the LX570 harness anywhere but figured I'd buy this one just in case. Even though amazon shows that it doesn't fit, it did and I'm glad I got it before starting to work on removing the intake manifold. Rodents turned out to be the culprit for me as well. P.S. the check engine light didn't go away on it's own after changing the harness. Cleared it from techstream and it stayed off. Disconnecting the battery negative terminal for a couple minutes would probably clear it as well.
D**R
Just what I needed for 2015 Tundra 5.8
Some rats/mice chewed through my knock sensor harness so I watched a YT video on how to remove the manifold (I'm an experienced technician BTW) and replaced it with this. Good price and perfect fit. My only gripe is that the coloring on the connectors does not match the coloring on the original harness and will throw you off. Lay this one over the old one before removing it and get the layout and connector placing down first before removing the old one. Otherwise, worked well and codes cleared.
B**T
Works just like OEM version
I park my truck outside and I've read in different forums that the OEM knock sensor harness uses a coating that attracts rodents. I can't remember where I got the replacement harness the first time it happened but this is the second time it's happened and I went what I could find here on Amazon to replace it. I'm not sure if this one uses the same coating as the one on the OEM version, but I haven't had any issues so far. It works just as well as the OEM version and I haven't had any issues since replacement.
J**.
Appropriate harness for my vehicle. It works.
Works perfectly as intended. Generally, I look for OEM but the lead time was too long. It is otherwise, identical to OEM and likely tastes just as good to mice as the other Dorman I used and the original harness my truck had
T**M
Replacement part
Fixed my truck cheap. Good product
B**B
Youre here because rats chewed up your harness. This replacement part works perfect and was actually cheaper for this Canadian guy to buy it on Amazon vs any of the other big online parts vendors. Also, you can save yourself the $600 that a shop will charge you and do this job yourself just by watching youtube videos. Its basically just unhooking things and hooking them back up. You really just need a socket set and some pliers. ps. Dont forget to order a new gasket for the manifold.
T**S
This is a quality replacement part for the Toyota Tundra. Mice had made a house in my intake and chewed through some import wires. This is not a job for the faint of heart but can be done taking your time. The worst part about replacing the harness was disconnecting a hose at the rear of the intake. Other than that, fairly smooth sailing. Would recommend this product.
S**R
Rodent damage just like everyone else. Rats seem to love the taste of Toyota wires. The Doorman harness plugged in with no fuss at all. Had trouble removing the old wire clamps, but that had nothing to do with the new harness.
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