2008 Pontiac G8 Automatic Transmission Parts

Keep Your 2008 Pontiac G8 in Top Shape with Quality Automatic Transmission Parts

Whether you’re repairing or upgrading your Automatic Transmission Part, using high-quality parts is key to keeping your 2008 Pontiac G8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Case Vents, Transmission Control Modules, and Transmission Solenoids. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2008 Pontiac G8 Automatic Transmission Part at Advance Auto Parts is around $1,226.87, with a range that starts at $10.49 and goes up to $3,299.00. With 6 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like AT CONTR SOLENOID, Cruise Control Vacuum Harness Check Valve, and Automatic Transmission Assembly; GM RWD 6L80 6-Speed Billet Converter With Mobil 1 Fluid start at just $10.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Automatic Transmission Part, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 2008 Pontiac G8 in peak condition, inside and out.

Essential 2008 Pontiac G8 Automatic Transmission Parts

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T6L80E1890P)

Premium Remanufactured Automatic Transmission Assembly

from

$2857.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
See More

Spartan – Automatic Transmission Assembly; GM RWD 6L80 6-Speed Billet Converter With Mobil 1 Fluid (Part No.8106A-JMB)

Automatic Transmission Assembly; GM RWD 6L80 6-Speed Billet Converter With Mobil 1 Fluid

from

$3299.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
  • With Mobil 1 Fluid
See More

Moveras – 6L80 – Automatic Transmission (Part No.M02003)

6L80 - Automatic Transmission

from

$2587.99
Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road.

Product Features:
  • Product might not be available in all states due to local laws.
  • We are committed to remanufacturing transmissions to the same stAndards And methodologies used for OEM transmissions
  • Each Moveras transmission is produced in a World Class manufacturing facility
  • Our entire process has been developed from scratch, utilizing LEAN manufacturing principles
  • Our transmissions are produced in a Clean Room environment
  • Every transmission is built to the same exacting standards by using a precisely documented and controlled process.
See More

ATP – AT CONTR SOLENOID (Part No.JE-8)

AT CONTR SOLENOID

from

$66.99
AT CONTR SOLENOID

GM Genuine Parts – Cruise Control Vacuum Harness Check Valve (Part No.14047619)

Cruise Control Vacuum Harness Check Valve

from

$10.49
GM Genuine Parts Vacuum Check Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Dorman – Remanufactured Transmission Electro-Hydraulic Control Module (OE Fix) (Part No.609-003)

Remanufactured Transmission Electro-Hydraulic Control Module (OE Fix)

from

$914.99
This Dorman OE FIX remanufactured transmission electro-hydraulic control module (TEHCM) provides the same function and performance as the stock component, and features upgraded plastic to increase durability against heat and debris.

Product Features:
  • Aftermarket exclusive – this uniquely remanufactured TEHCM features upgraded PEEK plastic to resist heat and debris and extend its lifespan
  • Cost-effective fix – module is equally compatible as original but far less expensive than replacement from dealership
  • Quality assured – this part underwent vehicle simulator testing, and includes new gaskets, grommets and seals
  • Requires programming – after installation, module must be programmed with original manufacturer software, such as through a Remote Assist Programming (RAP) Kit
  • Cost-effective fix – module is equally compatible as original but far less expensive than replacement from dealership
See More

Most Popular Automatic Transmission Case Vent for 2008 Pontiac G8s

Enhance your 2008 Pontiac G8 with this popular Automatic Transmission Case Vent we have in stock, for $10.49.

GM Genuine Parts – Cruise Control Vacuum Harness Check Valve (Part No.14047619)

Cruise Control Vacuum Harness Check Valve

from

$10.49
GM Genuine Parts Vacuum Check Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Best-Selling 2008 Pontiac G8 Transmission Control Module

Upgrade your G8 with our best-selling Transmission Control Module.

Dorman – Remanufactured Transmission Electro-Hydraulic Control Module (OE Fix) (Part No.609-003)

Remanufactured Transmission Electro-Hydraulic Control Module (OE Fix)

from

$914.99
This Dorman OE FIX remanufactured transmission electro-hydraulic control module (TEHCM) provides the same function and performance as the stock component, and features upgraded plastic to increase durability against heat and debris.

Product Features:
  • Aftermarket exclusive – this uniquely remanufactured TEHCM features upgraded PEEK plastic to resist heat and debris and extend its lifespan
  • Cost-effective fix – module is equally compatible as original but far less expensive than replacement from dealership
  • Quality assured – this part underwent vehicle simulator testing, and includes new gaskets, grommets and seals
  • Requires programming – after installation, module must be programmed with original manufacturer software, such as through a Remote Assist Programming (RAP) Kit
  • Cost-effective fix – module is equally compatible as original but far less expensive than replacement from dealership
See More

Top-Quality Transmission Solenoids for 2008 Pontiac G8s

Choose a high-quality OEM or aftermarket Transmission Solenoid for Pontiac G8s and enjoy top-notch performance from $66.99.

ATP – AT CONTR SOLENOID (Part No.JE-8)

AT CONTR SOLENOID

from

$66.99
AT CONTR SOLENOID

Top Picks for 2008 Pontiac G8 Remanufactured Automatic Transmissions

Invest in one of our 3 durable Remanufactured Automatic Transmissions for your 2008 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

Spartan – Automatic Transmission Assembly; GM RWD 6L80 6-Speed Billet Converter With Mobil 1 Fluid (Part No.8106A-JMB)

Automatic Transmission Assembly; GM RWD 6L80 6-Speed Billet Converter With Mobil 1 Fluid

from

$3299.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
  • With Mobil 1 Fluid
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T6L80E1890P)

Premium Remanufactured Automatic Transmission Assembly

from

$2857.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
See More

Moveras – 6L80 – Automatic Transmission (Part No.M02003)

6L80 - Automatic Transmission

from

$2587.99
Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road.

Product Features:
  • Product might not be available in all states due to local laws.
  • We are committed to remanufacturing transmissions to the same stAndards And methodologies used for OEM transmissions
  • Each Moveras transmission is produced in a World Class manufacturing facility
  • Our entire process has been developed from scratch, utilizing LEAN manufacturing principles
  • Our transmissions are produced in a Clean Room environment
  • Every transmission is built to the same exacting standards by using a precisely documented and controlled process.
See More

FAQs for 2008 Pontiac G8 Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 2008 Pontiac G8s?

Out of 6 Automatic Transmission Parts that fit 2008 Pontiac G8s, the following parts are the top sellers:

What’s the price range for 2008 Pontiac G8 Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 2008 Pontiac G8 range from $10.49 up to $3,299.00 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 2008 Pontiac G8?

The average price for Automatic Transmission Parts for the 2008 Pontiac G8 is $1,226.87. Keep in mind the variety of part types within our Automatic Transmission Part category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Automatic Transmission Parts for my 2008 Pontiac G8?

The cheapest 2008 Pontiac G8 Automatic Transmission Parts we carry are:

Does Advance Auto Parts sell Automatic Transmission Parts for any other 2008 Pontiac models?

What types of Automatic Transmission Parts do you sell for my 2008 Pontiac G8?

As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Parts for a 2008 Pontiac G8:

Can I get help with 2008 Pontiac G8 Automatic Transmission Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Automatic Transmission Parts and more.

What is your return policy for Pontiac G8 Automatic Transmission Parts?

Advance Auto Parts keeps returns simple. For new Pontiac G8 Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.