2021 GMC Yukon XL Transmission Parts
Find Your Specific 2021 GMC Yukon XL Transmission Parts
Below you will find various in-demand GMC Transmission Parts, components and accessories for your 2021 Yukon XL. Advance Auto Parts has popular Yukon XL parts like Transmission Mounts, Automatic Transmission Pan and Gaskets, Manual Transmission Parts and more. You’ll also find aftermarket and OEM Transmission Parts for other Yukon XL model years including
2015,
2016,
2017,
2018,
2019,
2020,
2022,
2023,
2024 and more. Select a category of 2021 GMC Yukon XL Transmission Parts below and start saving instantly.
Popular 2021 GMC Yukon XL Transmission Parts Categories
Essential Transmission Parts for 2021 GMC Yukon XLs
Dorman – Transmission Drain Plug – M12-1.75 Pilot Point (sold by each) (Part No.090-208)
from
$9.99
This transmission 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:
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Product Features:
- Direct replacement – this transmission 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
Dorman – EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack (Part No.092-018)
from
$17.49
Ditch the wrenches and rags and get this Dorman Twist Drain oil drain plug. It’s specially designed to simplify changing your oil by replacing your factory plug with a tool-free, clean and easy solution. Just push, twist and drain. It also features a custom tapered O-ring that ensures a leak-proof seal, and is finished with electrophoresis and anodization for rust resistance.
Product Features:
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Product Features:
- Simplifies service – this trademark Dorman Twist Drain plug replaces the original equipment oil drain plug and allows for cleaner and easier oil changes
- Tool-free solution – eliminates need for wrench to drain oil pan; simply push, twist and drain
- Leak resistant – proprietary inner seal handles high pressure and temperature to prevent leaks
- Corrosion resistant – specially coated to avoid rust for a long service life
Dorman – Drain Plug – M12-1.75 Pilot Point (Part No.65416)
from
$10.49
This transmission 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:
See More
Product Features:
- Direct replacement – this transmission 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
Dorman – Help – Transmission Oil Cooler Seal (Part No.66219)
from
$12.49
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:
See More
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
Anchor – Transmission Mount: Rear, 1 Piece (Part No.2891)
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:
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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
Anchor – Transmission Mount: Rear, 1 Piece (Part No.3278)
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:
See More
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
Anchor – Transmission Mount: Rear, 1 Piece (Part No.3249)
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:
See More
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
Anchor – Transmission Mount: Rear, 1 Piece (Part No.2811)
from
$18.99
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 00-20; CHEV 91-21; GMC 91-21;. Please verify your application.
Product Features:
See More
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
Upgrade your 2021 GMC Yukon XL with Top-Quality Transmission Parts
When it comes to maintaining or upgrading your 2021 GMC Yukon XL, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Transmission Parts are key to keeping your Yukon XL functioning at its best. At Advance Auto Parts, we offer a wide selection of 4 Transmission Parts for the 2021 GMC Yukon XL, designed to meet your needs without breaking the bank.
From
Transmission Mount
replacements to
Automatic Transmission Pan and Gaskets
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 2021 GMC Yukon XL at great prices.
Our Transmission Parts inventory for this model
ranges from just $9.99 to $52.99, with
an average price of $19.69.
Our 4 Transmission Parts in stock come from 2 trusted brands, so you’re sure to find the right part for your 2021 GMC Yukon XL without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2021 GMC Yukon XL is always ready to roll. We’re committed to providing you with everything you need to keep your Yukon XL in top shape, all in one place.
Start shopping confidently below for your 2021 GMC Yukon XL!
Best-Selling Transmission Mounts for 2021 GMC Yukon XLs
Enhance the driving experience in your GMC with 1 quality Transmission Mount components, starting at $52.99.
Anchor – Transmission Mount: Rear, 1 Piece (Part No.3278)
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:
See More
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
Most Popular 2021 GMC Yukon XL Automatic Transmission Pan and Gaskets
Customize your GMC with 2 Automatic Transmission Pan and Gaskets products
like Automatic Transmission Drain Plugs and
Automatic Transmission Oil Cooler Gaskets, all
priced under $12.49.
Dorman – Help – Transmission Oil Cooler Seal (Part No.66219)
from
$12.49
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:
See More
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
Dorman – Transmission Drain Plug – M12-1.75 Pilot Point (sold by each) (Part No.090-208)
from
$9.99
This transmission 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:
See More
Product Features:
- Direct replacement – this transmission 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
Top Picks for 2021 GMC Yukon XL Manual Transmission Parts
Upgrade GMC Yukon XLs with top-quality Manual Transmission Parts parts, including 1 OEM and aftermarket selections for your 2021 model.
Dorman – Drain Plug – M12-1.75 Pilot Point (Part No.65416)
from
$10.49
This transmission 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:
See More
Product Features:
- Direct replacement – this transmission 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
FAQs for 2021 GMC Yukon XL Transmission Parts
Which Transmission Parts are best-sellers for 2021 GMC Yukon XLs?
Out of 4 Transmission Parts that fit 2021 GMC Yukon XLs, the following parts are the top sellers:
- Transmission Oil Cooler Seal (12007498) – $12.49
- Drain Plug – M12-1.75 Pilot Point (11148817) – $10.49
- Transmission Drain Plug – M12-1.75 Pilot Point (sold by each) (11224129) – $9.99
What’s the price range for 2021 GMC Yukon XL Transmission Parts?
Transmission Part prices for the 2021 GMC Yukon XL start at $9.99 and go up to $52.99 for the most premium parts.
What’s the average price of a Transmission Part for a 2021 GMC Yukon XL?
The average price for Transmission Parts for the 2021 GMC Yukon XL is $19.69. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Transmission Parts for other GMC Yukon XL model years?
What are the cheapest Transmission Parts for my 2021 GMC Yukon XL?
The cheapest 2021 GMC Yukon XL Transmission Parts we carry in stock are:
- Transmission Drain Plug – M12-1.75 Pilot Point (sold by each) (11224129) – $9.99
- Drain Plug – M12-1.75 Pilot Point (11148817) – $10.49
- Transmission Oil Cooler Seal (12007498) – $12.49
- Transmission Mount: Rear, 1 Piece (11338202) – $52.99
What types of Transmission Parts do you sell for my 2021 GMC Yukon XL?
As of 11/2/25, these are some of the most in-demand types of Transmission Parts for a 2021 GMC Yukon XL:
Can I get help with 2021 GMC Yukon XL Transmission Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Transmission Parts and more.
What is your return policy for GMC Yukon XL Transmission Parts?
Advance Auto Parts keeps returns simple. For new GMC Yukon XL Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
