EGR System for 2014 Chevrolet Express 3500
Categories
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bushings
- Center Console
- Center Pillar
- Cluster & Switches
- Console
- Control Cables
- Cowl
- Dashboard
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Fenders
- Floor
- Frame
- Frame & Components
- Front & Side Panels
- Front Console
- Front Door
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Glass, Windows & Related Components
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box Components
- Quarter Panel
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Door
- Side Panel & Components
- Side Pillar
- Sound System
- Spare Tire Carrier
- Splash Shields
- Steering Wheel
- Switches, Solenoids & Actuators
- Trailer Hitch Components
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- Wire, Cable & Related Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Diesel Components
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mount Lamps
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Park & Signal Lamps
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Column
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Window Defroster
- Wipers
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Turbocharger & Components
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Air Heater Components
- Auxiliary Heater & AC
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Bearings
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Sensors
- Shaft & Internal Components
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Wire, Cable & Related Components
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bushings
- Center Console
- Center Pillar
- Cluster & Switches
- Console
- Control Cables
- Cowl
- Dashboard
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Fenders
- Floor
- Frame
- Frame & Components
- Front & Side Panels
- Front Console
- Front Door
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Glass, Windows & Related Components
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box Components
- Quarter Panel
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Door
- Side Panel & Components
- Side Pillar
- Sound System
- Spare Tire Carrier
- Splash Shields
- Steering Wheel
- Switches, Solenoids & Actuators
- Trailer Hitch Components
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- Wire, Cable & Related Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Diesel Components
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mount Lamps
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Park & Signal Lamps
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Column
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Window Defroster
- Wipers
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Turbocharger & Components
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Air Heater Components
- Auxiliary Heater & AC
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Bearings
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Sensors
- Shaft & Internal Components
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Wire, Cable & Related Components
Browse Categories
Select category
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bushings
- Center Console
- Center Pillar
- Cluster & Switches
- Console
- Control Cables
- Cowl
- Dashboard
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Fenders
- Floor
- Frame
- Frame & Components
- Front & Side Panels
- Front Console
- Front Door
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Glass, Windows & Related Components
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box Components
- Quarter Panel
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Door
- Side Panel & Components
- Side Pillar
- Sound System
- Spare Tire Carrier
- Splash Shields
- Steering Wheel
- Switches, Solenoids & Actuators
- Trailer Hitch Components
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- Wire, Cable & Related Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Diesel Components
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mount Lamps
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Park & Signal Lamps
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Column
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Window Defroster
- Wipers
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Turbocharger & Components
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Air Heater Components
- Auxiliary Heater & AC
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Bearings
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Sensors
- Shaft & Internal Components
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Wire, Cable & Related Components
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bushings
- Center Console
- Center Pillar
- Cluster & Switches
- Console
- Control Cables
- Cowl
- Dashboard
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Fenders
- Floor
- Frame
- Frame & Components
- Front & Side Panels
- Front Console
- Front Door
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Glass, Windows & Related Components
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box Components
- Quarter Panel
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Roof & Components
- Seats
- Sensors
- Side Door
- Side Panel & Components
- Side Pillar
- Sound System
- Spare Tire Carrier
- Splash Shields
- Steering Wheel
- Switches, Solenoids & Actuators
- Trailer Hitch Components
- Trunk Lid & Compartment
- Uniside
- Wiper & Washer Components
- Wire, Cable & Related Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Control Modules
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Service Kits
- Switches, Solenoids & Actuators
- Traction Control
- ABS Components
- Air Bag Components
- Air Bag System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Communication System Components
- Control Modules
- Controls
- Diesel Components
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mount Lamps
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Park & Signal Lamps
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Column
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Window Defroster
- Wipers
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Turbocharger & Components
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Air Heater Components
- Auxiliary Heater & AC
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Wire, Cable & Related Components
- Bearings
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Sensors
- Shaft & Internal Components
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Wire, Cable & Related Components
EGR System for 2014 Chevrolet Express 3500
Related Parts
Part # / Description / Price
Exhaust Gas Recirculation (EGR) Valve Temperature Sensor 
GM
MSRP $200.72
GM Temp Sensor
Silverado, sierra. 6.6l. Location a. 2010-16, egr valve & related components. Express, savana. 6.6l diesel. Locr a. Position 1. 6.6L diesel, egr valve & related components, 2015-16, at intake. With diesel, egr valve & related components. Egr temp sensor. Cruze. 2.0l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Exhaust Gas Recirculation (EGR) Valve Gasket GM
MSRP $13.32
GM Valve Gasket
2010-16, egr valve & related components, upper. Express, savana. 6.6l diesel. Lock a. 6.6L diesel, egr valve & related components, 2015-16, side. EGR Valve to Exhaust Manifold. Helps provide a leak-free seal Allows exhaust pollutants to enter the engine for re-burn Helps the engine emission system operate properly This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Exhaust Gas Recirculation (EGR) Valve Temperature Sensor GM
MSRP $200.72
GM Temp Sensor
Silverado, sierra. 6.6l. Location b. Express, savana. 6.6l diesel. Locr b. Position 2. 6.6L diesel, egr valve & related components, 2015-16, at outlet pipe. Inlet. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
EGR Cooler GM
MSRP $1,079.71
GM Cooler
2010-16, egr valve & related components. Express, savana. 6.6l diesel. All. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Exhaust Gas Recirculation (EGR) Valve GM
MSRP $636.28
GM Egr Valve
2010-16, egr valve & related components. Express, savana. 6.6l diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Exhaust Gas Recirculation (EGR) Valve Gasket GM
MSRP $10.75
GM Valve Gasket
Silverado, sierra. 6.6l. 2010-16, egr valve & related components, side. Express, savana. 6.6l diesel. Lock b. 6.6L diesel, egr valve & related components, 2015-16, upper & lower. Helps provide a leak-free seal Allows exhaust pollutants to enter the engine for re-burn Helps the engine emission system operate properly This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors