2021 Chevrolet Silverado 2500 HD Transmission Parts

Essential 2021 Chevrolet Silverado 2500 HD Transmission Parts

Shift Pro by ETE – 1000/M74 Automatic Transmission Assembly (Part No.T281234)

1000/M74 Automatic Transmission Assembly

from

$4046.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
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Shift Pro by ETE – 1000/M74 Automatic Transmission Assembly (Part No.T281218)

1000/M74 Automatic Transmission Assembly

from

$4046.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

ACDelco – AT Valve Body Separa (Part No.J5028745013ACD)

AT Valve Body Separa

from

$33.03
AT Valve Body Separa

ACDelco – Neutral Safety Switc (Part No.J4050351665ACD)

Neutral Safety Switc

from

$142.24
Neutral Safety Switc

ACDelco – AT Neutral Safety Sw (Part No.J4050485851ACD)

AT Neutral Safety Sw

from

$77.52
AT Neutral Safety Sw

Carquest – Neutral Safety Switch (Part No.NS38105)

Neutral Safety Switch

from

$210.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Our parts are 100% tested to verify both mechanical and electrical switching performance
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • Robust design and high grade materials meet the stringent demands of today’s service professional
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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ATP – AT EXT HOUSING SEAL (Part No.JO-124)

AT EXT HOUSING SEAL

from

$22.99
AT EXT HOUSING SEAL

National – Multi Purpose Seal (Part No.4333N)

Multi Purpose Seal

from

$18.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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ATP – AT EXT HOUSING SEAL (Part No.JO-57)

AT EXT HOUSING SEAL

from

$7.99
AT EXT HOUSING SEAL

Dorman – Help – Transmission Oil Cooler Seal (Part No.66219)

Transmission Oil Cooler Seal

from

$11.49
This Dorman Automatic Transmission Oil Cooler Gasket eliminates leaks where the oil cooler line connects to the transmission. Gasket may break down over time, causing leaks, and should be replaced any time the oil cooler line and transmission are separated.

Product Features:
  • Durable construction – rubber over steel construction creates a positive seal and retains its shape
  • Direct replacement – fits and functions like original equipment
  • Easy to install – direct-fit, no special tools required
  • Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance
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Mahle – Oil Dipstick Seal (Part No.A1120666332MAH)

Oil Dipstick Seal

from

$2.60
Oil Dipstick Seal

ATP – REUSABLE AT PAN GSKT (Part No.JG-136)

REUSABLE AT PAN GSKT

from

$41.99
REUSABLE AT PAN GSKT

ACDelco – AT Pan Gasket (Part No.J5040366488ACD)

AT Pan Gasket

from

$37.47
AT Pan Gasket

ATP – REUSABLE AT PAN GSKT (Part No.JG-142)

REUSABLE AT PAN GSKT

from

$36.99
REUSABLE AT PAN GSKT

Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)

Ultra Grey RTV Gasket Maker (9.5 oz.)

from

$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.

Product Features:
  • Designed specially for high-torque and high vibration applications
  • Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
  • OEM specified
  • Low-odor, non-corrosive formula
  • Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
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ACDelco – AT Pan Gasket (Part No.J5040577055ACD)

AT Pan Gasket

from

$71.79
AT Pan Gasket

SKF – AT Rear Seal (Part No.J5071366796SKF)

AT Rear Seal

from

$18.47
AT Rear Seal

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2638)

Transmission Mount: Rear, 1 Piece

from

$23.49
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 99-14; CHEV 82-19; GMC 82-14; HUMMER 03-10; ISUZU 06-08; OLDS 91-94;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1982-2019
  • Weight approx: 5 Lbs
  • STUDS: M10-150
  • INTERLOCK
  • BOLT HOLES CENTERLINE: 7.5 INCH / 190.5 MM
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.3278)

Transmission Mount: Rear, 1 Piece

from

$52.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 21-22; CHEV 11-22; GMC 11-22;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2011-2022
  • Weight approx: 2 Lbs
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.2811)

Transmission Mount: Rear, 1 Piece

from

$17.29
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 00-20; CHEV 91-21; GMC 91-21;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1991-2021
  • Weight approx: 2 Lbs
  • MATERIAL: RUBBER, STEEL
  • HEIGHT: 2.06 INCH / 52.32 MM
  • STUD: M10x1.5 1.15 INCH / 29.21 MM
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.3264)

Transmission Mount: Rear, 1 Piece

from

$42.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CHEV 11-16; GMC 11-16;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2011-2016
  • Weight approx: 4 Lbs
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.3249)

Transmission Mount: Rear, 1 Piece

from

$56.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 15-20; CHEV 11-20; GMC 11-20;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2011-2020
  • Weight approx: 4 Lbs
  • WITH INTERLOCK
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.2839)

Transmission Mount: Rear, 1 Piece

from

$27.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CHEV 94-10; GMC 94-10; ISUZU 98-00; OLDS 96-01;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1994-2010
  • Weight approx: 4 Lbs
  • WITHOUT INTERLOCK
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Energy Suspension – Transmission Mount (Part No.3.1129G)

Transmission Mount

from

$87.99
A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:
  • Unique Safety Interlock Design
  • Impervious to Vehicle Oils and Chemicals
  • Strong Enough Too Handle High Performance
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2021 Chevrolet Silverado 2500 HD Transmission Parts

You count on your 2021 Chevrolet Silverado 2500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Transmission Parts. With 10 Transmission Parts ranging in price from $2.60 to $2,974.99, you’re sure to find everything you need for your 2021 Chevrolet Silverado 2500 HD.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 6 different brands like Dorman, ACDelco, and SKF. 2021 Chevrolet Silverado 2500 HD Transmission Parts start as low as $2.60!

Did we mention you can order your Transmission Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Transmission Parts inventory for your 2021 Chevrolet Silverado 2500 HD below to get started!

FAQs for 2021 Chevrolet Silverado 2500 HD Transmission Parts

What are the most purchased Transmission Parts for the 2021 Chevrolet Silverado 2500 HD?

Out of 10 Transmission Parts for the 2021 Chevrolet Silverado 2500 HD, the most popular in our inventory are:
Transmission Oil Cooler Seal
from $11.49
This product is not rated
Transmission Oil Cooler Seal
Automatic Transmission Oil Cooler Gaskets
AT Pan Gasket
from $37.47
This product is not rated
AT Pan Gasket
Transmission Oil Pan Gaskets
AT Neutral Safety Sw
from $77.52
This product is not rated
AT Neutral Safety Sw
Automatic Transmission Gear Position Sensors