2021 Chevrolet Silverado 1500 Transmission Parts

Essential 2021 Chevrolet Silverado 1500 Transmission Parts

ACDelco – Axle Differential Be (Part No.K4011415668ACD)

Axle Differential Be

from

$115.84
Axle Differential Be

ACDelco – AT Pan Gasket (Part No.J5040577055ACD)

AT Pan Gasket

from

$71.79
AT Pan Gasket

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

AT Neutral Safety Sw

from

$77.52
AT Neutral Safety Sw

Dorman – Drain Plug – M12-1.75 Pilot Point (Part No.65416)

Drain Plug - M12-1.75 Pilot Point

from

$9.49
This drain plug is designed to match the dimensions and function of the original plug on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this drain plug matches the dimensions and function of the factory hardware on specified vehicle years, makes and models
  • Ideal solution – this drain plug is a reliable replacement for an original part that is damaged or lost during service
  • Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
  • Quality assured – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Transmission Oil Cooler Seal (Part No.66219)

Transmission Oil Cooler Seal

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$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

Imperial – High Performance Transmission Oil Cooler (Part No.240512)

High Performance Transmission Oil Cooler

from

$67.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
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ACDelco – Black Multi-Purpose Relay (Part No.D1780C)

Black Multi-Purpose Relay

from

$16.49
ACDelco GM Original Equipment Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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
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ATP – AT EXT HOUSING SEAL (Part No.JO-57)

AT EXT HOUSING SEAL

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$7.99
AT EXT HOUSING SEAL

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

AT EXT HOUSING SEAL

from

$10.99
AT EXT HOUSING SEAL

ACDelco – Automatic Transmission Cooling Hose Retainer (Part No.J2004409720ACD)

Automatic Transmission Cooling Hose Retainer

from

$8.02
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Imperial – Transmission Fitting Kit (Part No.240397)

Transmission Fitting Kit

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$27.49
Product Features:
  • Transmission line fitting kit
  • GM snap-in-style lines
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Precision machined
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Dorman – Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread (Part No.800-605)

Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread

from

$6.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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ATP – AT OIL PAN GASKET (Part No.JG-107)

AT OIL PAN GASKET

from

$9.99
AT OIL PAN GASKET

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

AT Valve Body Separa

from

$33.03
AT Valve Body Separa

ACDelco – AT Pan Gasket (Part No.J5040366484ACD)

AT Pan Gasket

from

$31.30
AT Pan Gasket

Driveworks – Auto Transmission Output Shaft Seal (Part No.S-4934)

Auto Transmission Output Shaft Seal

from

$8.49
Product Features:
  • Brand may vary by location
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SKF – AT Rear Seal (Part No.J5071366796SKF)

AT Rear Seal

from

$18.47
AT Rear Seal

ACDelco – AT Oil Cooler Hose O (Part No.J2054576962ACD)

AT Oil Cooler Hose O

from

$6.52
AT Oil Cooler Hose O

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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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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ACDelco – Transmission Mount (Part No.J6000464458ACD)

Transmission Mount

from

$51.82
Transmission Mount

Anchor – Transmission Mount: Rear, 1 Piece (Part No.3172)

Transmission Mount: Rear, 1 Piece

from

$33.99
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 07-13; GMC 07-13;. 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: 2007-2013
  • Weight approx: 4 Lbs
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.2891)

Transmission Mount: Rear, 1 Piece

from

$22.49
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 15-17; CHEV 99-21; GMC 99-21;. 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: 1999-2021
  • Weight approx: 4 Lbs
  • WITH INTERLOCK
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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.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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2021 Chevrolet Silverado 1500 Transmission Parts

You count on your 2021 Chevrolet Silverado 1500 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 28 Transmission Parts ranging in price from $2.60 to $115.84, you’re sure to find everything you need for your 2021 Chevrolet Silverado 1500.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 8 different brands like Imperial, Anchor, and ACDelco. 2021 Chevrolet Silverado 1500 Transmission Parts start as low as $2.60!

One of the best ways to find top quality OEM or aftermarket Transmission Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 1,554 extensive product reviews on 2021 Chevrolet Silverado 1500 Transmission Parts. Some of the top-rated Transmission Parts products we carry are Maxi-Kool® XL Transmission Oil Cooler with 5.0 stars and Transmission Line Fitting Kit with 4.5 stars.

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 1500 below to get started!

Top-Rated Transmission Parts Brands For Your 2021 Chevrolet Silverado 1500

Trusted Transmission Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2021 Chevrolet Silverado 1500 running right for years to come. In our inventory you’ll find brands like Imperial, Anchor, ACDelco, and even more.

Popular ACDelco Transmission Parts

You’ll find popular ACDelco brand products across Back Up Neutral Safety Parts. All are waiting to get your 2021 Chevrolet Silverado 1500 back on the road. Some of the top-rated ACDelco products in these categories are:
Black Multi-Purpose Relay
from $16.49
(2)
Black Multi-Purpose Relay
Neutral Safety Relays

FAQs for 2021 Chevrolet Silverado 1500 Transmission Parts

What are the most purchased Transmission Parts for the 2021 Chevrolet Silverado 1500?

Out of 28 Transmission Parts for the 2021 Chevrolet Silverado 1500, the most popular in our inventory are:
Transmission Mount: Rear, 1 Piece
from $17.29
(12)
Transmission Mount: Rear, 1 Piece
Transmission Mounts
High Performance Transmission Oil Cooler
from $85.99
(4)
High Performance Transmission Oil Cooler
OE Transmission Coolers
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
from $80.99
(8)
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
OE Transmission Coolers

What are the top-rated 2021 Chevrolet Silverado 1500 Transmission Parts?

Top-rated Transmission Parts for your 2021 Chevrolet Silverado 1500 based on customer reviews/ratings are:
Maxi-Kool® XL Transmission Oil Cooler
from $73.99
(7)
Maxi-Kool® XL Transmission Oil Cooler
“this transmission oil cooler is replacing my one on my 2000 dodge dakota its priced right mid size and easy to put in the ome one is 250 this is 60 an”
Transmission Line Fitting Kit
from $14.79
(6)
Transmission Line Fitting Kit
“I used this adapter to connect it to the upper left tranny tranny port on the radiator of my 97 eldorado. I dropped the tranny/drained/filled it. Then”
Econo-Kool® Transmission Oil Cooler
from $52.99
(4)
Econo-Kool® Transmission Oil Cooler
“I just like the additional cooling on all my vehicles for transmission to last longer. They aren’t getting any cheaper to overhaul!”