Rear Suspension for 2009 Pontiac G6
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Roof
- Exterior Trim - Top
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Top
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Seats
- Sound System
- Spoiler
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Top & Components
- Trunk
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- ABS Components
- Adjustable Brake Pedal
- Anti-Lock Brakes
- Body Wiring Harness & Components
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- Universal
- Valves
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Convertible Top
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Starter
- Starter & Related Components
- Steering Wheel
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Window Defroster
- Wipers
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine Appearance Cover
- Engine Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- Wire, Cable & Related Components
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Hardware, Fasteners & Fittings
- Motors
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Roof
- Exterior Trim - Top
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Top
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Seats
- Sound System
- Spoiler
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Top & Components
- Trunk
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- ABS Components
- Adjustable Brake Pedal
- Anti-Lock Brakes
- Body Wiring Harness & Components
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- Universal
- Valves
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Convertible Top
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Starter
- Starter & Related Components
- Steering Wheel
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Window Defroster
- Wipers
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine Appearance Cover
- Engine Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- Wire, Cable & Related Components
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Hardware, Fasteners & Fittings
- Motors
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
Browse Categories
Select category
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Roof
- Exterior Trim - Top
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Top
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Seats
- Sound System
- Spoiler
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Top & Components
- Trunk
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- ABS Components
- Adjustable Brake Pedal
- Anti-Lock Brakes
- Body Wiring Harness & Components
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- Universal
- Valves
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Convertible Top
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Starter
- Starter & Related Components
- Steering Wheel
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Window Defroster
- Wipers
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine Appearance Cover
- Engine Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- Wire, Cable & Related Components
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Hardware, Fasteners & Fittings
- Motors
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cowl
- Dashboard
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Exterior Trim - Roof
- Exterior Trim - Top
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Top
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Seats
- Sound System
- Spoiler
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Sunroof
- Switches, Solenoids & Actuators
- Top & Components
- Trunk
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- ABS Components
- Adjustable Brake Pedal
- Anti-Lock Brakes
- Body Wiring Harness & Components
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- Universal
- Valves
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Convertible Top
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Starter
- Starter & Related Components
- Steering Wheel
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Window Defroster
- Wipers
- Wire, Cable & Related Components
- Wiring Harness
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine Appearance Cover
- Engine Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- Wire, Cable & Related Components
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Hardware, Fasteners & Fittings
- Motors
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
Rear Suspension for 2009 Pontiac G6
No.
Part # / Description / Price
1
Hub & Bearing 
GM
GM With abs. G6. Rear disc brakes. Malibu, Malibu Maxx. Cobalt. With SS model. Disc brakes, SS. Malibu Hybrid.
2
Rear Shock Absorber GM
MSRP $148.26
GM Shock Absorber
G6. Aura. With gt. All. Malibu Hybrid. Xe. Helps absorb and dampen road input into your vehicle's suspension
3
Rear Coil Spring GM
MSRP $166.79
GM Coil Spring
G6. Malibu. 2.4l. Malibu. 3.5l, 3.6l. Suspension code:8aa,8ab,8ac,9aa,9ab,9ac. Helps provide a smooth and level ride This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
4
Rear Spring Upper Insulator GM
GM Insulator
Upper. Malibu, Malibu Maxx. G6. Malibu Hybrid. Aura Green Line, Aura. Helps dampen vibrations or sounds This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
5
5
6
Rear Passenger Side Suspension Control Arm GM
MSRP $106.63
GM Trailing Arm
With 4 wheel disc. G6. Malibu, Malibu Maxx. Right. Rear disc brakes. Malibu Hybrid. Aura Green Line, Aura. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
6
Rear Driver Side Suspension Control Arm GM
GM Trailing Arm
With 4 wheel disc. G6. Malibu, Malibu Maxx. Left. Rear disc brakes. Malibu Hybrid. Aura Green Line, Aura. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
8
9
Rear Suspension Link GM
GM Front Lateral Link
Malibu, Malibu Maxx. G6. Malibu Hybrid. Aura Green Line, Aura. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
Rear Suspension Upper Control Arm GM
GM Upper Control Arm
G6. Incl.Bushings. Without ltz model. LS & lt. Malibu Hybrid. Aura Green Line, Aura. GM Genuine suspension parts match the GM vehicles original equipment in ride, handling and stopping distance GM Genuine suspension components are specifically designed and ...
13
Rear Lower Control Arm GM
GM Lower Control Arm
Malibu, Malibu Maxx. G6. Malibu Hybrid. Aura Green Line, Aura. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
15
Cross-Member GM
GM G6. Without convertible. Sedan & coupe. Malibu Maxx. Wagon. Malibu Hybrid. Aura Green Line, Aura.
17
Rear Suspension Stabilizer Shaft Insulator GM
MSRP $17.52
GM Bushings
Malibu. 2.4l. G6. Without SS model. With gt. With abs. Without ride & handling susp. Malibu Hybrid. Malibu Maxx. Wagon. Aura Green Line, Aura. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
18
Rear Suspension Stabilizer Shaft Insulator Clamp GM
MSRP $16.82
GM Bracket
Malibu, Malibu Maxx. G6. Malibu Hybrid. Aura Green Line, Aura. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors