2021 Chevrolet Tahoe Transmission Parts

Essential 2021 Chevrolet Tahoe Transmission Parts

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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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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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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GM Genuine Parts – Gray Multi-Purpose Relay (Part No.19116059)

Gray Multi-Purpose Relay

from

$10.79
GM Genuine Parts Multi-Purpose Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. It controls a variety of different systems within your vehicle. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Work with vehicle electronics to help optimize vehicle capabilities
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine 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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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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Genera – AT Oil Cooler (Part No.J2040576958TYC)

AT Oil Cooler

from

$147.12
Many trucks and cars come equipped with Transmission Oil Coolers to maintain consistent operating temperatures for the transmission system. External Transmission Oil Coolers offer additional cooling capacity and efficiency for specific cars and trucks that have them. In addition to the Transmission Oil Coolers that are embedded into many TYC Radiators, TYC is excited to also offer externally mounted Transmission Oil Coolers.

Product Features:
  • OE-comparable harness (no
  • OE-comparable mounting provisions ensure drop-in precise fitment
  • Rigorous and accelerated cycling tests to ensure product service quality and durability
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Imperial – Plate and Fin Style Trans Cooler 3/4" x 5-7/8" x 11" Light Duty (Part No.243006)

Plate and Fin Style Trans Cooler 3/4" x 5-7/8" x 11" Light Duty

from

$59.99
Product Features:
  • Imperial Rapid-Cool« plate and fin transmission cooler
  • Size: 3/4″ x 11″ x 6″
  • Sub-compact to compact cars
  • GVWR up to 18,000 lbs.
  • Compatible with OEM cooler systems
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Imperial – High Performance Transmission Oil Cooler (Part No.240516)

High Performance Transmission Oil Cooler

from

$85.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 10″ x 15-7/8″
  • 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 – AT Oil Cooler Hose O (Part No.J2054576962ACD)

AT Oil Cooler Hose O

from

$6.52
AT Oil Cooler Hose O

Driveworks – Oil Seal (Part No.S-4333N)

Oil Seal

from

$11.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Driveworks – Auto Transmission Extension Housing Seal (Rear Seal) (Part No.S-710928)

Auto Transmission Extension Housing Seal (Rear Seal)

from

$11.29
Product Features:
  • Brand may vary by location
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Driveworks – Oil Seal (Part No.S-9449)

Oil Seal

from

$1.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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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 – Oil Cooler Line Connector With A 3/8-18 in. Thread (Part No.800-603)

Oil Cooler Line Connector With A 3/8-18 in. Thread

from

$14.49
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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Dorman – Transmission Fitting (Part No.800-727)

Transmission Fitting

from

$10.49
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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Dorman – Transmission Line Connector (Part No.800-754)

Transmission Line Connector

from

$8.99
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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Dorman – Transmission Line Connector – 3/8 in OD Tube x 9/16-18 UNF Thread (Part No.800-619)

Transmission Line Connector - 3/8 in OD Tube x 9/16-18 UNF Thread

from

$8.99
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
See More

ACDelco – AT Drain Plug (Part No.J5032577049ACD)

AT Drain Plug

from

$12.35
AT Drain Plug

Mahle – Oil Dipstick Seal (Part No.A1120666332MAH)

Oil Dipstick Seal

from

$2.60
Oil Dipstick Seal

2021 Chevrolet Tahoe Transmission Parts

You count on your 2021 Chevrolet Tahoe 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 19 Transmission Parts ranging in price from $2.60 to $85.99, you’re sure to find everything you need for your 2021 Chevrolet Tahoe.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 6 different brands like Imperial, ACDelco, and Dorman. 2021 Chevrolet Tahoe 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 726 extensive product reviews on 2021 Chevrolet Tahoe Transmission Parts. Some of the top-rated Transmission Parts products we carry are Maxi-Kool® XL Transmission Oil Cooler with 5.0 stars and Econo-Kool® Transmission Oil Cooler with 4.3 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 Tahoe below to get started!

Top-Rated Transmission Parts Brands For Your 2021 Chevrolet Tahoe

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 Tahoe running right for years to come. In our inventory you’ll find brands like Imperial, ACDelco, Dorman, 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 Tahoe 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 Tahoe Transmission Parts

What are the most purchased Transmission Parts for the 2021 Chevrolet Tahoe?

Out of 19 Transmission Parts for the 2021 Chevrolet Tahoe, the most popular in our inventory are:
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
Transmission Line Fitting Kit
from $14.79
(6)
Transmission Line Fitting Kit
Automatic Transmission Line Connectors

What are the top-rated 2021 Chevrolet Tahoe Transmission Parts?

Top-rated Transmission Parts for your 2021 Chevrolet Tahoe 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”
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!”
Plate and Fin Style Trans Cooler 3/4" x 5-7/8" x 11" Light Duty
from $59.99
(3)
Plate and Fin Style Trans Cooler 3/4" x 5-7/8" x 11" Light Duty
“Bought these before for my vehicles. Put this one on a Silhouette and by-passed the in-radiator cooler altogether. Haven’t put a thermometer on it t”