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The Knock Sensor Switch Sender is a high-performance replacement part for GM Small Block marine engines, ensuring optimal engine performance and compatibility with various brands like Mercruiser and Volvo. Weighing just 2.39 ounces and measuring 3.3 x 2.6 x 2 inches, this sensor is designed for easy installation and durability in marine conditions.
| Manufacturer | Boise Boat Works |
| Item Weight | 2.39 ounces |
| Package Dimensions | 3.3 x 2.6 x 2 inches |
| Is Discontinued By Manufacturer | No |
T**Y
Good value
Works as expected
A**S
Great product easy install
Fast shipping, used on 02 Larson 350 small block. Just what the Dr. ordered!.
H**G
Four Stars
ok
N**E
FAKE, threw a code right after installation
Amazon “AC Delco” knock sensor on the left. Genuine AC Delco from dealer on the right. Notice the ridges on the top of the sensor are shallow and the dimples on the top of the sensor to hold the body and the top together are very lite.Also, while I was removing the fake ones, the top spined on the body. I used a flat head to make stronger dimples allowing me to rotate the sensor. The sensor and the bottom bolt separated, leaving the bolt in the engine block.It was a nightmare to remove that bolt from the block. Removing the intake was a 40 min job, make sure you replace the intake gasket and torque the intake manifold in a cross pattern.Do not buy sensitive car parts from Amazon.
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