Delphi AS10012 Ignition Knock (Detonation) Sensor

Brand Delphi AS10012
Connector Gender Female
Connector Quantity 1
Connector Shape Round
Mounting Hardware Included No
Mounting Type Treaded Nut
Package Contents Ignition Knock (Detonation) Sensor, Instruction Sheet
Terminal Gender Female
Terminal Quantity 1
Terminal Type Pin
Fits Chevrolet and GMC · 74 vehicles

OE heritage. Built with 100 years of OE experience and knowledge.

Knock sensor. Detects engine detonation for precise ignition control.

Single-connector design. Round female connector with pin terminals for a clean hookup.

Cross-references Standard Ignition KS50, 5S2178 and 144-425 for the same application. See all 9.

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Delphi AS10012 Ignition Knock Sensor

The Delphi AS10012 ignition knock sensor is an OE-style replacement built from Delphiโ€™s century of original equipment experience. It uses a single female round connector with pin terminals and a threaded nut mounting style for direct replacement on supported Chevrolet and GMC applications.

  • Ignition knock (detonation) sensor for engine knock detection
  • Single connector design with round female connector shape
  • Female terminal configuration with pin terminal type
  • Threaded nut mounting style for secure installation
  • Package includes the sensor and instruction sheet
  • Delphi AS10012 replacement part for select Chevrolet and GMC trucks and vans

OE-Style Sensor Construction

Delphi builds the AS10012 using OE heritage and application knowledge developed through long-term supplier experience with major automakers. This knock sensor is intended for vehicles that rely on accurate detonation feedback to help the engine control system respond to abnormal combustion events. It cross-references Standard Ignition KS50 for the same application.

Vehicle Fitment

  • Fits 1996-2000 Chevrolet C2500, N/A
  • Fits 1996-2000 Chevrolet C3500, N/A
  • Fits 1996-2000 Chevrolet Express 3500, N/A
  • Fits 1996-2000 Chevrolet K2500, N/A
  • Fits 1996-2000 Chevrolet K3500, N/A
  • Fits 1996-2000 GMC C2500, N/A
  • Fits 1996-2000 GMC C3500, N/A
  • Fits 1996-2000 GMC K2500, N/A
  • Fits 1996-2000 GMC K3500, N/A
  • Fits 1996-2000 GMC Savana 3500, N/A
  • Fits 1996-1999 Chevrolet C2500 Suburban, N/A
  • Fits 1996-1999 Chevrolet K2500 Suburban, N/A
  • Fits 1996-1999 Chevrolet P30, N/A
  • Fits 1996-1999 GMC C2500 Suburban, N/A
  • Fits 1996-1999 GMC K2500 Suburban, N/A
  • Fits 1996-1999 GMC P3500, N/A

What It Helps Address

  • Knock sensor fault codes related to detonation sensing
  • Rough engine operation caused by inaccurate knock feedback
  • Reduced engine response when the control system receives incorrect sensor input
  • Check engine light concerns tied to the knock sensor circuit
  • Drivability issues on select Chevrolet C2500, K3500, and GMC Savana 3500 applications

Installation Notes

Verify connector shape, terminal style, and threaded mounting before installation. Use the vehicle service information for the correct sensor location and torque procedure, and inspect the harness connector for corrosion or damage before connecting the Delphi AS10012. Confirm exact application by year, make, and model, especially on Chevrolet and GMC trucks, vans, and Suburban models.

Quality Assurance

Delphi draws on OE supplier experience and original equipment engineering knowledge to support consistent aftermarket replacement quality. The AS10012 is built as a direct-fit sensor for listed applications and includes an instruction sheet for installation reference.

This part fits 74 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2000ChevroletC2500—N/A—
2000ChevroletC3500—N/A—
2000ChevroletExpress 3500—N/A—
2000ChevroletK2500—N/A—
2000ChevroletK3500—N/A—
2000GMCC2500—N/A—
2000GMCC3500—N/A—
2000GMCK2500—N/A—
2000GMCK3500—N/A—
2000GMCSavana 3500—N/A—
1999ChevroletC2500—N/A—
1999ChevroletC2500 SuburbanBaseN/A—
1999ChevroletC3500—N/A—
1999ChevroletExpress 3500—N/A—
1999ChevroletK2500—N/A—
1999ChevroletK2500 Suburban—N/A—
1999ChevroletK3500—N/A—
1999ChevroletP30—N/A—
1999GMCC2500—N/A—
1999GMCC2500 Suburban—N/A—
1999GMCC3500—N/A—
1999GMCK2500—N/A—
1999GMCK2500 Suburban—N/A—
1999GMCK3500—N/A—
1999GMCP3500—N/A—
1999GMCSavana 3500—N/A—
1998ChevroletC2500—N/A—
1998ChevroletC2500 Suburban—N/A—
1998ChevroletC3500—N/A—
1998ChevroletExpress 3500—N/A—
1998ChevroletK2500—N/A—
1998ChevroletK2500 Suburban—N/A—
1998ChevroletK3500—N/A—
1998ChevroletP30—N/A—
1998GMCC2500—N/A—
1998GMCC2500 Suburban—N/A—
1998GMCC3500—N/A—
1998GMCK2500—N/A—
1998GMCK2500 Suburban—N/A—
1998GMCK3500—N/A—
1998GMCP3500—N/A—
1998GMCSavana 3500—N/A—
1997ChevroletC2500—N/A—
1997ChevroletC2500 Suburban—N/A—
1997ChevroletC3500—N/A—
1997ChevroletExpress 3500—N/A—
1997ChevroletK2500—N/A—
1997ChevroletK2500 Suburban—N/A—
1997ChevroletK3500—N/A—
1997ChevroletP30—N/A—
1997GMCC2500—N/A—
1997GMCC2500 Suburban—N/A—
1997GMCC3500—N/A—
1997GMCK2500—N/A—
1997GMCK2500 Suburban—N/A—
1997GMCK3500—N/A—
1997GMCP3500—N/A—
1997GMCSavana 3500—N/A—
1996ChevroletC2500—N/A—
1996ChevroletC2500 Suburban—N/A—
1996ChevroletC3500—N/A—
1996ChevroletExpress 3500—N/A—
1996ChevroletK2500—N/A—
1996ChevroletK2500 Suburban—N/A—
1996ChevroletK3500—N/A—
1996ChevroletP30—N/A—
1996GMCC2500—N/A—
1996GMCC2500 Suburban—N/A—
1996GMCC3500—N/A—
1996GMCK2500—N/A—
1996GMCK2500 Suburban—N/A—
1996GMCK3500—N/A—
1996GMCP3500—N/A—
1996GMCSavana 3500—N/A—
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — KS505S2178144-4252903321329910456232DKS225S8604SU1122