Knock Sensor
Fits Chevrolet, GMC, Oldsmobile & more — 94 vehicle applications
Contact us at 1-866-461-2787 for pricing
Contact us at 1-866-461-2787 for pricing
Call for PriceSelect your vehicle to check fitment.
BFNG 1KS1039 Vehicle Fitment
Fits 94 vehiclesThis Knock Sensor fits Chevrolet, GMC, Oldsmobile, Isuzu vehicles.
1999-2000 Chevrolet Silverado 1500
1996-2001 Chevrolet Blazer
1996-2001 Chevrolet S10
1996-2000 Chevrolet Astro
1996-2000 Chevrolet C1500
1996-2000 Chevrolet Express 1500
1996-2000 Chevrolet Express 2500
1996-1999 Chevrolet P30
1996-1998 Chevrolet K1500
1990 Chevrolet Corvette
BFNG 1KS1039 Specifications
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Terminal Type
- Bullet
- Connector Shape
- Round
- Connector Shape
- Redondo
- Terminal Quantity
- 1
BFNG 1KS1039 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
BFNG 1KS1039 Product Description
Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. These sensors use the highest quality piezoceramic elements manufactured to tight tolerances for increased durability and accuracy. These Knock Sensors are designed to meet and exceed OEM specifications.
Key Features
- Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
- Designed to meet or exceed all OEM specifications in fit, form & function
- Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
- Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. These sensors use the highest quality piezoceramic elements manufactured to tight tolerances for increased durability and accuracy. These Knock Sensors are designed to meet and exceed OEM specifications.
About BFNG
Shop BFNG Ignition Knock (Detonation) Sensor at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG 1KS1039. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — BFNG 1KS1039
What vehicles does the BFNG 1KS1039 fit?
The BFNG 1KS1039 fits 22 vehicle applications including 1996-2001 Chevrolet Blazer, 1996-2001 Chevrolet S10, 1996-2001 GMC Jimmy, 1996-2001 GMC Sonoma, 1996-2001 Oldsmobile Bravada and 17 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG 1KS1039 replace?
The BFNG 1KS1039 is a direct replacement for 10456075, 29036, 21394, 1KS1039, S8006 and 11 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG 1KS1039?
Shipping options for the BFNG 1KS1039 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
What is the price of the BFNG 1KS1039?
For current pricing on the BFNG 1KS1039, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Knock Sensor a direct fit replacement?
Yes, the Knock Sensor by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Knock Sensor come with?
The Knock Sensor comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.