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Get the Best Priced Chevrolet Trailblazer EXT Knock Sensor

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Chevrolet Trailblazer EXT Knock Sensor Reviews
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Shop Chevrolet Trailblazer EXT Replacement Knock Sensor

Search our online knock sensor catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured Chevrolet Trailblazer EXT Knock Sensor parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day.

We stock these Knock Sensor brands for the Chevrolet Trailblazer EXT: ReplacementStandard Motor ProductsAPIAC DelcoDIY SolutionsForecastNGK

Select your Trailblazer EXT year

Review Fitment Notes
Showing 19 of 105 Results
Replacement Knock Sensor - for 2005 Chevrolet Trailblazer EXT 5.3L V8 - 412-052 Click to Enlarge
Website Reviews
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Part Number: 412-052
Brand: Replacement
Notes: Ignition Knock (Detonation) Sensor -- Ignition Knock Sensor (Detonation Sensor)
Condition: New
Shipping Options: Free Ground Shipping
$12.95
with FREE Shipping
(39) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2005 Chevrolet Trailblazer EXT 5.3L V8
Replacement Knock Sensor - for 2006 Chevrolet Trailblazer EXT - 412-052 Click to Enlarge
Website Reviews
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Part Number: 412-052
Brand: Replacement
Notes: Ignition Knock (Detonation) Sensor -- Ignition Knock Sensor (Detonation Sensor)
Condition: New
Shipping Options: Free Ground Shipping
$12.95
with FREE Shipping
(39) In Stock
This Part Fits:
Catalog: E
Vehicle
2006 Chevrolet Trailblazer EXT
Replacement Knock Sensor - for 2004 Chevrolet Trailblazer EXT 5.3L V8 - 412-083 Click to Enlarge
5 Stars
Replacement 412-083
Knock Sensor
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Part Number: 412-083
Brand: Replacement
Notes: Ignition Knock (Detonation) Sensor -- Ignition Knock Sensor (Detonation Sensor)
Condition: New
Shipping Options: Free Ground Shipping
$20.95
with FREE Shipping
(36) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2004 Chevrolet Trailblazer EXT 5.3L V8
Standard Motor Products Knock Sensor - for 2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl - KS154 Click to Enlarge
Website Reviews
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Part Number: KS154
Brand: Standard Motor Products
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Notes: Sensor Only
O.E.M. Replacement: Yes
Shipping Options: Ground
$23.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl
API Knock Sensor - for 2005 Chevrolet Trailblazer EXT 5.3L V8 - 1904-301407 Click to Enlarge
Website Reviews
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Part Number: 127822-07566604
Brand: API
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$14.98
(37) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2005 Chevrolet Trailblazer EXT 5.3L V8
API Knock Sensor - for 2003 Chevrolet Trailblazer EXT 4.2L 6 Cyl - 1904-301404 Click to Enlarge
Website Reviews
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Part Number: 127820-07847793
Brand: API
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$28.98
(12) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2003 Chevrolet Trailblazer EXT 4.2L 6 Cyl
Standard Motor Products Knock Sensor - for 2002 Chevrolet Trailblazer EXT 4.2L 6 Cyl - KS134 Click to Enlarge
Website Reviews
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Part Number: KS134
Brand: Standard Motor Products
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$28.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2002 Chevrolet Trailblazer EXT 4.2L 6 Cyl
AC Delco Knock Sensor - for 2006 Chevrolet Trailblazer EXT 4.2L 6 Cyl - W0133-1686461 Click to Enlarge
Website Reviews
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Part Number: W0133-1686461
Brand: AC Delco
Notes: Genuine GM
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$45.00
Our Price: $25.58
(6) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2006 Chevrolet Trailblazer EXT 4.2L 6 Cyl
AC Delco Knock Sensor - for 2006 Chevrolet Trailblazer EXT 5.3L V8 LH6 VIN: M - 213-1576 Click to Enlarge
5 Stars
AC Delco 213-1576
Knock Sensor
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Part Number: 213-1576
Brand: AC Delco
Notes: GM Original Equipment -- New; MATING CONNECTOR WITH LEADS USE PT2652
  • Sends signals to the engine control module (ECM) to adjust timing
  • Helps prevent damage to the engine caused by pre-ignition
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New
Shipping Options: Ground
$12.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 Chevrolet Trailblazer EXT 5.3L V8 LH6 VIN: M
API Knock Sensor - for 2006 Chevrolet Trailblazer EXT - 1904-301407 Click to Enlarge
Website Reviews
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Part Number: 127823-07566604
Brand: API
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$14.98
(37) In Stock
This Part Fits:
Catalog: P
Vehicle
2006 Chevrolet Trailblazer EXT
DIY Solutions Knock Sensor - for 2006 Chevrolet Trailblazer EXT - ESS01115 Click to Enlarge
Website Reviews
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Part Number: ESS01115
Brand: DIY Solutions
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Free Ground Shipping
$23.95
with FREE Shipping
View Details
This Part Fits:
Catalog: Q
Vehicle
2006 Chevrolet Trailblazer EXT
AC Delco Knock Sensor - for 2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl LL8 VIN: S - 213-1525 Click to Enlarge
Website Reviews
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Part Number: 213-1525
Brand: AC Delco
Notes: GM Original Equipment -- New
  • Sends signals to the engine control module (ECM) to adjust timing
  • Helps prevent damage to the engine caused by pre-ignition
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New
Shipping Options: Ground
$24.18
(6) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl LL8 VIN: S
AC Delco Knock Sensor - for 2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl - W0133-1686461 Click to Enlarge
Website Reviews
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Part Number: W0133-1686461
Brand: AC Delco
Notes: Genuine GM
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$45.00
Our Price: $25.58
(6) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl
API Knock Sensor - for 2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl - 1904-301404 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 127822-07847793
Brand: API
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$28.98
(12) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl
DIY Solutions Knock Sensor - for 2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl - ESS01113 Click to Enlarge
Website Reviews
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Part Number: ESS01113
Brand: DIY Solutions
Notes: Ignition Knock (Detonation) Sensor -- L6 4.2L
Condition: New
Shipping Options: Free Ground Shipping
$23.95
with FREE Shipping
(4) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2005 Chevrolet Trailblazer EXT 4.2L 6 Cyl
Forecast Knock Sensor - for 2004 Chevrolet Trailblazer EXT 5.3L V8 - KS36 Click to Enlarge
Website Reviews
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Part Number: KS36
Brand: Forecast
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$40.08
(9) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2004 Chevrolet Trailblazer EXT 5.3L V8
NGK Knock Sensor - for 2006 Chevrolet Trailblazer EXT 4.2L 6 Cyl - ID0300 Click to Enlarge
Website Reviews
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Part Number: ID0300
Brand: NGK
Notes: NTK Ignition Knock (Detonation) Sensor
  • NTK's Ignition Knock Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper ignition timing. This advanced technology is used for durability, drivability and fuel economy.
  • Reinforced and extra-strength components are used to reduce chance of part failure and prevent corrosion and moisture penetration. Mounting threads match OE for easy, worry free installation. Backed by a 3 year/36,000-mile warranty.
  • The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock, or detonation, to alter the ignition timing and prevent detonation.
Condition: New
Shipping Options: Ground
$12.73
(1) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
2006 Chevrolet Trailblazer EXT 4.2L 6 Cyl
Standard Motor Products Knock Sensor - for 2004 Chevrolet Trailblazer EXT 5.3L V8 - KS116 Click to Enlarge
Website Reviews
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Part Number: KS116
Brand: Standard Motor Products
Notes: Ignition Knock (Detonation) Sensor
Condition: New
Shipping Options: Ground
$45.98
(14) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2004 Chevrolet Trailblazer EXT 5.3L V8
AC Delco Knock Sensor - for 2002 Chevrolet Trailblazer EXT 4.2L 6 Cyl LL8 VIN: S - 213-960 Click to Enlarge
Website Reviews
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Part Number: 213-960
Brand: AC Delco
Notes: GM Original Equipment -- New
  • Sends signals to the engine control module (ECM) to adjust timing
  • Helps prevent damage to the engine caused by pre-ignition
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New
Shipping Options: Ground
$27.98
(2) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
2002 Chevrolet Trailblazer EXT 4.2L 6 Cyl LL8 VIN: S

Related Engine Electrical Parts

Knock Sensors available for the following Chevrolet Trailblazer EXT years: 2006, 2005, 2004, 2003, 2002, 06, 05, 04, 03, 02. This part is also sometimes called Chevrolet Trailblazer EXT Engine Sensors. We stock knock sensor parts for most Chevrolet models including Silverado 1500, Silverado 2500 HD, Tahoe, Suburban 1500, Avalanche 1500, Corvette, K1500, Camaro, Silverado 1500 HD, C1500, Impala, Silverado 2500, S10, Malibu, Cobalt, Blazer, Cruze, Suburban 2500, Silverado 3500, HHR, Equinox, Sonic, Monte Carlo, K2500, Tracker, Express 1500, Cavalier, S10 Blazer, K3500, Caprice, Silverado 2500 HD Classic, Express 3500, Trailblazer, Traverse, C3500, K1500 Suburban, C1500 Suburban, Silverado 1500 Classic, C10 and C2500.

Some of our Customer Reviews
Verified Customer
1/1/09 03:16 PM - USA

I received what I expected and a very fast shippment. - aleetx

Verified Customer
5/19/10 09:15 PM - USA

Parts always come fast. Parts are always correct. Shipping costs are fair. - paulsvolks75