OEM CertifiedFactory Sealed OEM
Key Diagram & Connector Pinout Callouts
MotorPins 1-2
Bidirectional PWM DC servo drive
PositionPins 3-6
Dual 0-5V Hall wiper to ECM
Primary OEM Part #12589155
Inventory Available 6 Ready to Ship
GM / Chevrolet Electronic Throttle Body Actuator (Drive-by-Wire)
Manufacturer: General Motors OEM / ACDelco • SKU: TB-GM-12589155
Standard Dealership Market Price:$210.00
Direct Buy Now Price:$145.00
Save 31% ($65)
Quantity:
1
(Max 6 in batch) Same-day Dispatch
12-Month ACDelco Warranty
OEM Interchanges & Cross Reference
Mechanics can cross-reference with these stamped casing and manufacturer numbers:
12589155 (Primary)125891551267454519180759ACDelco 19211230
Product Overview & Technical Description
Factory brand-new GM / ACDelco electronic throttle body. ECM-controlled DC servo opens the plate; two redundant Hall-effect sensors provide closed-loop position. Resolves P2135 throttle position correlation, P2176 limp-mode, and reduced-power complaints on Gen V V8s.
Key Engineering Features:
- Resolves P2135/P2176 throttle position correlation and limp-mode
- Dual redundant Hall position sensors
- Direct upper-plenum fit
- Genuine ACDelco packaging
Guaranteed Vehicle Fitment (2014–2026)
Supported MakesChevrolet, GMC, Cadillac
Model Years Covered2014 – 2018
Eligible ModelsSilverado 1500 • Sierra 1500 • Tahoe • Suburban • Yukon • Escalade
Engine Platform5.3L L83 / 6.2L L86 EcoTec3
Hardware & Electrical Specs
Operating Voltage:12V motor / 5V sensor
Pin Terminal Count:6 Pins
Terminal Plating:Gold signal contacts
Protocols / Bus:PWM motor + 0-5V dual position
Bore82mm
SensorsDual Hall (APP-style 0-5V)
Boxed Weight1.6 lbs
Box Dimensions6.5 x 5.5 x 3.0 in
VIN Flashing / ProgrammingNot Required (Direct Plug-in)