Best Automotive Replacement Detonation Sensors Under $200 (2026)
We ranked sensors under $200 by a value score combining brand reputation (ACDelco, Delphi, TRQ), user ratings, vehicle compatibility breadth, connector type, and price
This roundup covers automotive replacement detonation (knock) sensors under $200, focusing on reliable OE-compatible and aftermarket options from established brands. Picks were chosen by value score using brand reputation, vehicle compatibility, connector type, and verified user ratings
Top Picks
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1
ACDelco GM ignition knock sensor 213-3521
GM OEM ignition knock sensor. Detects detonation and helps adjust timing to protect the engine. Customers cite good fit and reliable performance, with some mixed results on check engine light behavior
- GM OE replacement part
- detects detonation to adjust timing
- engine protection from pre-ignition
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2
TRQ Knock Sensor with Green Connector for Audi/Volkswagen
Knock sensor with green connector for multiple Audi and Volkswagen models. Helps detect detonation and support engine performance. Customers note good functionality and proper fit, with value for money
- green connector
- durability and compatibility
- DIY video support
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3
Engine knock sensor for Chevy/GMC 8.1L/7.4L V8
Detonation sensor replacement for GM V8 engines. Helps diagnose and resolve knock-related engine codes. Customers note good fit and quality, with one mentioning resolution of check engine light
- engine knock sensor replacement
- fits chevrolet/gmc v8 trucks
- trustworthy replacement with DIY videos
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4
TRQ Engine Knock Sensor compatible with multiple Dodge, Ram, Jeep models
Engine knock sensor for select Dodge, Ram, Jeep SUV/truck models. Helps identify detonation for proper engine timing and performance. Customers note good fit and reliable function
- cross-model compatibility
- DIY video support
- trustworthy brand
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5
Delphi ignition knock sensor
Delphi ignition knock sensor used to monitor detonation. Provides precise sensing with vehicle-specific fit and easy installation. Customers note good functionality and aftermarket value, though durability concerns exist
- vehicle-specific fit
- ease of installation
- sensor functionality
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6
Genuine GM Knock Sensor Wire
Knock sensor wire designed for GM vehicles. Easy to install with a good fit; customers report trucks run well after installation. Mixed feedback on code accuracy and repair time
- genuine GM part
- easy installation
- fit and functionality