Automatic Transmission for 2021 Chevrolet Silverado 3500 HD
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2021 Chevrolet Silverado 3500 HD
LTZ 6.6L V8 - Diesel
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- Back Panel
- Body Mounting
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Center Pillar
- Cluster & Switches
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- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim
- Exterior Trim - Cab
- Exterior Trim - Fender
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- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pick UP Box
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Fender & Components
- Floor - Cab
- Frame & Components
- Front Door
- Front Panels
- Front Seat Components
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Jack & Components
- Labels
- Lock & Hardware
- Lock Pillar
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box
- Pick UP Box Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Seat Components
- Rocker Panel
- Roof & Components
- Roof Lamps
- Running Board
- Seat Belt
- Sound System
- Spare Tire Carrier
- Splash Shields
- Spoiler
- Sunroof
- Switches
- Tail Gate
- Tailgate
- Trailer Hitch Components
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Bulbs - Chassis
- Communication System Components
- Controls
- Diesel Components
- Diesel Controls
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Glass, Windows & Related Components
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Identification Lamps
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Seat Belt
- Senders
- Sensors
- Signal Lamps
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wipers
- Wiring Harness
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Back Panel
- Body Mounting
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Center Pillar
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Bumper
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pick UP Box
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Fender & Components
- Floor - Cab
- Frame & Components
- Front Door
- Front Panels
- Front Seat Components
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Jack & Components
- Labels
- Lock & Hardware
- Lock Pillar
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box
- Pick UP Box Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Seat Components
- Rocker Panel
- Roof & Components
- Roof Lamps
- Running Board
- Seat Belt
- Sound System
- Spare Tire Carrier
- Splash Shields
- Spoiler
- Sunroof
- Switches
- Tail Gate
- Tailgate
- Trailer Hitch Components
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Bulbs - Chassis
- Communication System Components
- Controls
- Diesel Components
- Diesel Controls
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Glass, Windows & Related Components
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Identification Lamps
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Seat Belt
- Senders
- Sensors
- Signal Lamps
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wipers
- Wiring Harness
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
Browse Categories
Select category
- Back Panel
- Body Mounting
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Center Pillar
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Bumper
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pick UP Box
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Fender & Components
- Floor - Cab
- Frame & Components
- Front Door
- Front Panels
- Front Seat Components
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Jack & Components
- Labels
- Lock & Hardware
- Lock Pillar
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box
- Pick UP Box Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Seat Components
- Rocker Panel
- Roof & Components
- Roof Lamps
- Running Board
- Seat Belt
- Sound System
- Spare Tire Carrier
- Splash Shields
- Spoiler
- Sunroof
- Switches
- Tail Gate
- Tailgate
- Trailer Hitch Components
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Bulbs - Chassis
- Communication System Components
- Controls
- Diesel Components
- Diesel Controls
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Glass, Windows & Related Components
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Identification Lamps
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Seat Belt
- Senders
- Sensors
- Signal Lamps
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wipers
- Wiring Harness
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Back Panel
- Body Mounting
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Center Pillar
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Bumper
- Exterior Trim - Front Door
- Exterior Trim - Hood
- Exterior Trim - Pick UP Box
- Exterior Trim - Pillars
- Exterior Trim - Rear Door
- Fender & Components
- Floor - Cab
- Frame & Components
- Front Door
- Front Panels
- Front Seat Components
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Jack & Components
- Labels
- Lock & Hardware
- Lock Pillar
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Overhead Console
- Passenger Seat Components
- Pick UP Box
- Pick UP Box Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Seat Components
- Rocker Panel
- Roof & Components
- Roof Lamps
- Running Board
- Seat Belt
- Sound System
- Spare Tire Carrier
- Splash Shields
- Spoiler
- Sunroof
- Switches
- Tail Gate
- Tailgate
- Trailer Hitch Components
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Automatic Transmission
- Battery
- Battery & Related Components
- Battery Cables
- Bulbs - Chassis
- Communication System Components
- Controls
- Diesel Components
- Diesel Controls
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuse & Relay
- Glass, Windows & Related Components
- Headlamp Components
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Identification Lamps
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Seat Belt
- Senders
- Sensors
- Signal Lamps
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Wipers
- Wiring Harness
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
Automatic Transmission for 2021 Chevrolet Silverado 3500 HD
5
- $60.25FilterGM6.6L diesel. Silverado, Sierra 2500 HD. Diesel. 2wd. Silverado, Sierra 3500 HD. Diesel. 4wd. Felt filter media helps deliver high-filtration efficiency and excellent fluid flow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Filter to remove debris from the transmission fluids. - ACDelcoâ„¢ FilterGMSilverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. 6.6L gas, 2024-25. 6.6L gas, 10 speed transmissio. (Unavailable)
No.
Part # / Description / Price
Price
1
Automatic Transmission Fluid Pan 
GM
GM Description: 6.6L diesel.
Transmission Oil Pan.
Transmission Oil Pan.
MSRP $183.25
$127.95
MSRP $183.25
$127.95
2
Automatic Transmission Pan Gasket GM
GM Description: 6.6L diesel. Silverado, Sierra 2500 HD. 10 speed trans. Silverado, Sierra 3500 HD. 10 speed trans. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
Transmission Oil Pan Gasket.
Transmission Oil Pan Gasket.
MSRP $51.29
$36.84
MSRP $51.29
$36.84
3
Automatic Transmission Oil level Check Plug GM
GM Notes: PARTS: Part included with trans pan.
Description: 6.6L gas. 6-speed trans. Without hybrid. 10 speed. Coupe, 8 speed. 8-speed without 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Drain plug used on the transmission.
Drain plug used on the transmission.
MSRP $24.72
$18.19
MSRP $24.72
$18.19
4
Automatic Transmission Fluid Pan Magnet GM
GM Notes: PARTS: Part included with trans pan.
Description: 6.6L diesel. Without hybrid. 8-speed trans. 10 speed. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
A transmission oil pan magnet used on automatic and manual transmissions to collect metal fragments out of the transmission fluid in the transmission.
A transmission oil pan magnet used on automatic and manual transmissions to collect metal fragments out of the transmission fluid in the transmission.
MSRP $5.86
$4.31
MSRP $5.86
$4.31
5
Automatic Transmission Fluid Filter Kit with Seal GM
GM Description: 6.6L diesel. Silverado, Sierra 2500 HD. Diesel. 2wd. Silverado, Sierra 3500 HD. Diesel. 4wd. Felt filter media helps deliver high-filtration efficiency and excellent fluid flow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Filter to remove debris from the transmission fluids.
Filter to remove debris from the transmission fluids.
MSRP $95.64
$60.25
MSRP $95.64
$60.25
5
Acdelcoâ„¢ Transmission Oil Filter GM
GM Description: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. 6.6L gas, 2024-25. 6.6L gas, 10 speed transmissio.
Related Parts
Part # / Description / Price
Price
Automatic Transmission Fluid Pan Gasket GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Transmission Oil Pan Gasket.
Transmission Oil Pan Gasket.
MSRP $43.67
$31.36
MSRP $43.67
$31.36