GM Genuine Parts / ACDelco 12679100 Exhaust Variable Valve Timing Solenoid

Includes Seal, Retainer, and Mounting Bolt

Supplied by Main Street Eshop’s OEM Replacement Parts Program

Restore proper exhaust camshaft timing with the GM Genuine Parts 12679100 Exhaust Variable Valve Timing Solenoid. This original-equipment component regulates engine oil flow to the exhaust cam phaser, allowing the engine management system to adjust camshaft timing according to engine speed, load, and operating conditions.

Accurate variable valve timing helps maintain the engine’s calibrated performance, drivability, efficiency, and response. This electrically activated exhaust VVT solenoid is designed to match the original GM calibration for compatible Buick, Chevrolet, GMC, Pontiac, and Saturn vehicles.

Some GM Genuine Parts were previously sold under the ACDelco GM Original Equipment name. Part number 12679100 is part of the same OE-focused product family, engineered and validated for specific General Motors applications.

This solenoid is supplied by Main Street Eshop through our OEM Replacement Parts Program, helping professional technicians, repair facilities, fleet operators, and vehicle owners source application-specific replacement components from established automotive brands.

About GM Genuine Parts and ACDelco

GM Genuine Parts are original-equipment components installed during vehicle production or validated by General Motors for compatible GM vehicles. They are designed, engineered, and tested to rigorous GM standards.

Some products now labeled GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment components. These parts are designed around the original vehicle’s application, dimensions, electrical connections, calibration, and operating requirements.

GM engineers also update production and service-part designs when appropriate to incorporate new materials and technologies.

About Main Street Eshop

Main Street Eshop supplies automotive replacement parts, performance components, shop supplies, RV products, electrical parts, and motorsports equipment for professional and DIY customers.

Through our OEM Replacement Parts Program, Main Street Eshop offers vehicle-specific replacement components from trusted manufacturers such as GM Genuine Parts and ACDelco. The program is designed to help customers locate properly matched parts for maintenance and repair applications.

Product Features

✔ GM Genuine Parts exhaust VVT solenoid

✔ Part number 12679100

✔ Formerly associated with the ACDelco GM Original Equipment product line

✔ Regulates oil flow to the exhaust cam phaser

✔ Helps control exhaust camshaft timing

✔ Designed to match original GM calibration

✔ Electrically activated 12-volt design

✔ Coated to help protect against premature corrosion

✔ Steel housing

✔ One oval electrical connector

✔ Two male blade terminals

✔ Seal included

✔ Retainer included

✔ Mounting bolt and hardware included

✔ No programming required

Features and Benefits

• Coated to help protect against premature corrosion

• Designed to match OEM calibration and provide the performance expected from a compatible GM vehicle

• Engineered and tested to rigorous General Motors standards

• Designed and validated by GM engineers for specific Chevrolet, Buick, GMC, Pontiac, and Saturn applications

• GM regularly updates production and service-part designs to integrate new materials and technologies

• Vehicle-specific construction supports proper installation and operation

Product Specifications

Brand: GM Genuine Parts / ACDelco GM Original Equipment

Part Number: 12679100

Product Type: Exhaust Variable Valve Timing Solenoid

Activation Type: Electric

Voltage: 12 VDC

Color: Silver

Housing Material: Steel

Housing Length: 3.86 in

Housing Width: 25 mm / 0.984 in

Overall Height: 120 mm

Shaft Diameter: 1.02 in

Connector Quantity: 1

Connector Shape: Oval

Connector Color: Black

Connector Gender: Female

Terminal Quantity: 2

Terminal Gender: Male

Terminal Type: Blade

Mounting Hole Quantity: 1

Mounting Hardware Included: Yes

Seal Included: Yes

Programming Required: No

Catalog Height: 4.25 in

Catalog Length: 17.85 in

Catalog Width: 11.55 in

Catalog Weight: 9.6 lb

Catalog Volume: 6.19 cu in

Intake vs. Exhaust Position

This listing is specifically for the exhaust variable valve timing solenoid.

Many compatible engines use separate intake and exhaust VVT solenoids that may appear similar but have different internal calibration or dimensions. Confirm the required camshaft position and part number before ordering.

For the corresponding intake VVT solenoid, verify whether GM part number 12679099 is correct for your application.

Vehicle Fitment

Each listed application uses one exhaust VVT solenoid per vehicle.

Buick

Allure

• 2010 CX, 2.4L L4, engine LAF, VIN C

LaCrosse

• 2010 CX, 2.4L L4, engine LAF, VIN C

• 2011 CX and CXL, 2.4L L4, engine LAF, VIN C

• 2012 Base, Premium, Convenience, and Leather, 2.4L L4, engine LUK, VIN R

• 2013 Base, 2.4L L4, engine LUK, VIN R

• 2014 Base and Leather, 2.4L L4, engine LUK, VIN R

• 2015 2.4L L4, engine LUK, VIN R

• 2016 Base and Leather, 2.4L L4, engine LUK, VIN R

Regal

• 2011–2013 2.0L L4, engine LHU, VIN V

• 2011 2.4L L4, engine LAF, VIN C

• 2012–2013 Base, 2.4L L4, engine LUK, VIN R

• 2012 Base, 2.4L L4, engine LEA, VIN K

• 2014–2016 Premium, 2.4L L4, engine LUK, VIN R

• 2015–2017 Base, 2.4L L4, engine LEA, VIN K

Verano

• 2012 Base, Convenience, and Leather

• 2013 Turbo, 2.0L L4, engine LHU, VIN V

• 2013–2016 Base, Convenience, and Leather, 2.4L L4, engine LEA, VIN K

• 2014–2016 Premium, 2.0L L4, engine LHU, VIN V

• 2016 Sport Touring, 2.4L L4, engine LEA, VIN K

• 2017 application as listed in the supplied catalog

Chevrolet

Captiva Sport

• 2012 LS, 2.4L L4, engine LEA, VIN K

• 2013–2015 applications as listed in the supplied catalog

Cobalt

• 2006–2007 2.4L L4, VIN B

• 2008–2010 2.0L L4, VIN X

• 2008 2.4L L4, VIN B

• 2009 2.2L L4, engine LAP, VIN H

• 2010 2.2L L4, engine LAP, VIN 5

Equinox

• 2010 2.4L L4, engine LAF, VIN W

• 2011 2.4L L4, engine LAF, VIN C

• 2012–2015 2.4L L4, engine LEA, VIN K

• 2016 LS, LT, and LTZ, 2.4L L4, engine LEA, VIN K

• 2017 2.4L L4, engine LEA, VIN K

HHR

• 2006–2007 2.4L L4, VIN P

• 2008–2009 2.0L L4, VIN X

• 2008 2.4L L4, VIN P

• 2009–2010 2.2L L4, engine LE8, VIN B

• 2009–2010 2.4L L4, engine LE9, VIN V

• 2010 2.0L L4, engine LNF, VIN M

• 2011 2.2L L4, engine LE8, VIN W

• 2011 2.4L L4, engine LE9, VIN U

Impala

• 2014 Eco, 2.4L L4, engine LUK, VIN R

Malibu

• 2008–2009 2.4L L4, VIN 5 or B

• 2010 2.4L L4, engine LE9, VIN 0

• 2010 2.4L L4, VIN B or Z

• 2011 2.4L L4, engine LE5, VIN 1

• 2011 2.4L L4, engine LE9, VIN U

• 2012 2.4L L4, engine LE5, VIN 0

• 2012 2.4L L4, engine LE9, VIN U

• 2013–2014 Eco, 2.4L L4, engine LUK, VIN R

Orlando

• 2012 LS, LT, and LTZ, 2.4L L4, engine LAF, VIN M

• 2012 LS, LT, and LTZ applications without additional engine details

• 2013 LS, LT, and LTZ, 2.4L L4, engine LEA, VIN T

• 2013 LS, LT, and LTZ applications without additional engine details

• 2014 LT, 2.4L L4, engine LEA, VIN K

• 2014 LT application without additional engine details

GMC

Terrain

• 2010 2.4L L4, engine LAF, VIN W

• 2011 2.4L L4, engine LAF, VIN C

• 2012–2017 2.4L L4, engine LEA, VIN K

Pontiac

G5

• 2007–2008 2.4L L4, VIN B

• 2009–2010 applications as listed in the supplied catalog

G6

• 2006–2009 2.4L L4, VIN B

• 2010 2.4L L4, engine LE9, VIN 0

• 2010 2.4L L4, VIN B

Pursuit

• 2006 2.4L L4, VIN B

Solstice

• 2006 application as listed in the supplied catalog

• 2007–2009 2.0L L4, VIN X

• 2007–2009 2.4L L4, VIN B

Saturn

Aura

• 2008–2009 2.4L L4, VIN 5

• 2008–2009 2.4L L4, VIN B

Ion

• 2006–2007 2.4L L4, VIN B

Sky

• 2007–2010 applications as listed in the supplied catalog

Vue

• 2007–2009 2.4L L4, VIN Z

• 2008–2009 2.4L L4, VIN P

• 2010 2.4L L4, VIN 1

Package Contents

• One GM Genuine Parts / ACDelco 12679100 exhaust VVT solenoid

• One seal

• One retainer

• One mounting bolt

Buyer Notes

✔ Confirm part number 12679100 before ordering.

✔ Verify the vehicle year, make, model, trim, engine code, VIN code, and exhaust camshaft position.

✔ This listing is for the exhaust variable valve timing solenoid.

✔ Some engines use separate intake and exhaust solenoids. Do not select this component by appearance alone.

✔ Programming is not required according to the supplied specifications.

✔ Professional installation using the correct GM service procedure is recommended.

✔ The catalog dimensions and weight above are reproduced from the supplied manufacturer data and may refer to catalog or packaging measurements rather than the bare component.

✔ GM Genuine Parts / ACDelco product supplied by Main Street Eshop through our OEM Replacement Parts Program.

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