2021 Chevrolet Tahoe Transmission Parts
Find Your Specific 2021 Chevrolet Tahoe Transmission Parts
Below you will find various in-demand Chevrolet Transmission Parts, components and accessories for your 2021 Tahoe. Advance Auto Parts has popular Tahoe parts like Transmission Cooler and Parts, Automatic Transmission Pan and Gaskets, Manual Transmission Parts and more. You’ll also find aftermarket and OEM Transmission Parts for other Tahoe model years including
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2022,
2023 and more. Select a category of 2021 Chevrolet Tahoe Transmission Parts below and start saving instantly.
Popular 2021 Chevrolet Tahoe Transmission Parts Categories
Essential Transmission Parts for 2021 Chevrolet Tahoes
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-109)
from
$51.99
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.
Product Features:
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Product Features:
- Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
- Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
- Durable construction – made of quality materials for reliable performance and long service life
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-117)
from
$35.99
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.
Product Features:
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Product Features:
- Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
- Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
- Durable construction – made of quality materials for reliable performance and long service life
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-049)
from
$43.99
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.
Product Features:
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Product Features:
- Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
- Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
- Durable construction – made of quality materials for reliable performance and long service life
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-153)
from
$29.99
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.
Product Features:
See More
Product Features:
- Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
- Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
- Durable construction – made of quality materials for reliable performance and long service life
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Transmission Line Connector with 3/8 Tube X 3/8-18In. Thread (Part No.800-606)
from
$12.99
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:
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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
Dorman – Transmission Fitting (Part No.800-727)
from
$12.49
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:
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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
Dorman – Oil Cooler Line Connector with A 3/8-18 in. Thread (Part No.800-603)
from
$15.99
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:
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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
Imperial – Transmission Line Fitting Kit (Part No.240390)
from
$14.79
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Transmission line fitting kit
- GM, Jeep; 5/8″-18 inverted flare
- 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
- Coated for extra protection against corrosion
- 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
- Coated for extra protection against corrosion
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
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 – 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 – 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 – Transmission Oil Cooler (Part No.918-213)
from
$163.99
This automatic transmission oil cooler is designed to match the function of an original cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion, or damage.
Product Features:
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Product Features:
- Direct replacement – this automatic transmission fluid cooler is designed to match the function of an original cooler on specified vehicle
- Ideal solution – engineered to help maintain proper transmission fluid temperature when an original cooler has failed from heat, corrosion or damage
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)
from
$52.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Mid-size and full-size cars, pickups
- GVWR up to 18,000 lbs.; towing up to 3,500 lbs
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)
from
$73.99
Product Features:
See More
- Imperial Maxi-Cool« plate and fin transmission cooler
- Size: 3/4″ x 11″ x 7-1/2″
- Mid-size and full-size cars, pickups
- GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
- Compatible with OEM cooler systems
- Made with the highest quality materials
- 100% pressure testing to 150 PSI for quality assurance
- 33% more efficient than a comparable tube and fin design
Imperial – High Performance Transmission Oil Cooler (Part No.240516)
from
$85.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
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
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Econo-Kool Transmission Oil Cooler (Part No.242009)
from
$40.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial Econo-Kool tube and fin transmission cooler
- Size: 3/4″ x 5″ x 12-1/2″
- Sub-compact to compact cars
- GVWR up to 12,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11" (Part No.243008)
from
$80.99
The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.
Product Features:
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Product Features:
- Imperial Rapid-Cool plate and fin transmission cooler
- Size: 3/4″ x 11″ x 9-1/2″
- Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
- GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
- 33% more efficient than a comparable tube and fin design
- Compatible with OEM cooler systems
- Made with the highest quality materials
- 100% pressure testing to 150 PSI for quality assurance
- 33% more efficient than a comparable tube and fin design
Imperial – High Performance Transmission Oil Cooler (Part No.240514)
from
$83.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial high-performance transmission cooler
- Size: 3/4″ x 7-1/2″ x 15-7/8″
- SAE 45-degree fittings for maximum reliability
- Electrostatic powder-coated to prevent corrosion
- Up to Class C motorhomes, towing up to 5,000 pounds
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Econo-Kool Transmission Oil Cooler (Part No.242010)
from
$55.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial Econo-Kool tube and fin transmission cooler
- Size: 3/4″ x 5″ x 15-7/8″
- Compact and mid-size cars
- GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – High Performance Transmission Oil Cooler (Part No.240512)
from
$67.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
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
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11" (Part No.243006)
from
$61.99
The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.
Product Features:
See More
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
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Upgrade your 2021 Chevrolet Tahoe with Top-Quality Transmission Parts
When it comes to maintaining or upgrading your 2021 Chevrolet Tahoe, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Transmission Parts are key to keeping your Tahoe functioning at its best. At Advance Auto Parts, we offer a wide selection of 14 Transmission Parts for the 2021 Chevrolet Tahoe, designed to meet your needs without breaking the bank.
From
Transmission Cooler and Part
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 Chevrolet Tahoe at great prices.
Our Transmission Parts inventory for this model
ranges from just $9.99 to $85.99, with
an average price of $49.98.
Our 14 Transmission Parts in stock come from 2 trusted brands, so you’re sure to find the right part for your 2021 Chevrolet Tahoe without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 Chevrolet Tahoe, we stock popular OEM and aftermarket Transmission Parts from top names
like Imperial, and more.
Imperial Transmission Parts
start at just $61.99 and boast an impressive 4.1 stars average rating from customers.
With 744 customer reviews and counting, our 2021 Chevrolet Tahoe Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.
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 Chevrolet Tahoe is always ready to roll. We’re committed to providing you with everything you need to keep your Tahoe in top shape, all in one place.
Start shopping confidently below for your 2021 Chevrolet Tahoe!
Best-Selling Transmission Cooler and Parts for 2021 Chevrolet Tahoes
Enhance the driving experience in your Chevrolet with 10 quality Transmission Cooler and Part components, starting at $25.99.
Imperial – High Performance Transmission Oil Cooler (Part No.240516)
from
$85.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
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
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)
from
$73.99
Product Features:
See More
- Imperial Maxi-Cool« plate and fin transmission cooler
- Size: 3/4″ x 11″ x 7-1/2″
- Mid-size and full-size cars, pickups
- GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
- Compatible with OEM cooler systems
- Made with the highest quality materials
- 100% pressure testing to 150 PSI for quality assurance
- 33% more efficient than a comparable tube and fin design
Imperial – Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11" (Part No.243006)
from
$61.99
The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.
Product Features:
See More
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
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Econo-Kool Transmission Oil Cooler (Part No.242010)
from
$55.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial Econo-Kool tube and fin transmission cooler
- Size: 3/4″ x 5″ x 15-7/8″
- Compact and mid-size cars
- GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Econo-Kool Transmission Oil Cooler (Part No.242009)
from
$40.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial Econo-Kool tube and fin transmission cooler
- Size: 3/4″ x 5″ x 12-1/2″
- Sub-compact to compact cars
- GVWR up to 12,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11" (Part No.243008)
from
$80.99
The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.
Product Features:
See More
Product Features:
- Imperial Rapid-Cool plate and fin transmission cooler
- Size: 3/4″ x 11″ x 9-1/2″
- Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
- GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
- 33% more efficient than a comparable tube and fin design
- Compatible with OEM cooler systems
- Made with the highest quality materials
- 100% pressure testing to 150 PSI for quality assurance
- 33% more efficient than a comparable tube and fin design
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)
from
$52.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Mid-size and full-size cars, pickups
- GVWR up to 18,000 lbs.; towing up to 3,500 lbs
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – High Performance Transmission Oil Cooler (Part No.240514)
from
$83.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial high-performance transmission cooler
- Size: 3/4″ x 7-1/2″ x 15-7/8″
- SAE 45-degree fittings for maximum reliability
- Electrostatic powder-coated to prevent corrosion
- Up to Class C motorhomes, towing up to 5,000 pounds
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)
from
$25.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Transmission cooler reinstallation kit
- Contains part numbers 248001, 226201, 240250 and 4 hose clamps
- Provides all hardware for reinstallation of Imperial transmission coolers
- Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
- Made of high grade nylon for easy installation
- Removable buttons for cooler/fan relocation
- Made for both transmission coolers and electric fan installation
- Comes with Quick Connect coupler
Imperial – High Performance Transmission Oil Cooler (Part No.240512)
from
$67.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
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
- SAE 45 degree fittings for maximum reliability
- Electrostatically powder coated to prevent corrosion
- All aluminum lightweight construction
Most Popular 2021 Chevrolet Tahoe Automatic Transmission Pan and Gaskets
Customize your Chevrolet 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 Chevrolet Tahoe Manual Transmission Parts
Upgrade Chevrolet Tahoes 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
In-Demand Transmission Connectors for 2021 Chevrolet Tahoes
Select from 1 premium Transmission Connectors parts for your 2021 Chevrolet Tahoe.
Imperial – Transmission Line Fitting Kit (Part No.240390)
from
$14.79
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Transmission line fitting kit
- GM, Jeep; 5/8″-18 inverted flare
- 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
- Coated for extra protection against corrosion
- 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
- Coated for extra protection against corrosion
Top-Rated Transmission Parts Brands For Your 2021 Chevrolet Tahoe
Shop for the best-rated brands offering Transmission Parts and other products for your 2021 Chevrolet Tahoes. Below you’ll find some of our best rated Transmission Parts from Imperial, and more. Transmission Parts from these brands that fit a 2021 Tahoe start at just $61.99 and are rated as high as 4.1 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Imperial 2021 Chevrolet Tahoe Transmission Parts
When it comes to maintaining or upgrading your 2021 Chevrolet Tahoe, using quality Transmission Parts is essential to ensure durability and a perfect fit. Imperial ticks all of those boxes. We offer a wide selection of Imperial Transmission Parts, specifically designed for the 2021 Chevrolet Tahoe. With over 3 Imperial brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $61.99, with an average price of just $73.99. Plus, with over 14 customer reviews and an average rating of 4.1 stars, you can trust that our Imperial Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
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Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11"
“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”
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$73.99
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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”
FAQs for 2021 Chevrolet Tahoe Transmission Parts
Which Transmission Parts are best-sellers for 2021 Chevrolet Tahoes?
Out of 14 Transmission Parts that fit 2021 Chevrolet Tahoes, the following parts are the top sellers:
- Transmission Oil Cooler Reinstallation Kit (5670023) – $25.99
- Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11" (20230013) – $80.99
- Transmission Line Fitting Kit (3670010) – $14.79
What’s the price range for 2021 Chevrolet Tahoe Transmission Parts?
Transmission Part prices for the 2021 Chevrolet Tahoe start at $9.99 and go up to $85.99 for the most premium parts.
What’s the average price of a Transmission Part for a 2021 Chevrolet Tahoe?
The average price for Transmission Parts for the 2021 Chevrolet Tahoe is $49.98. 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 Chevrolet Tahoe model years?
What are the cheapest Transmission Parts for my 2021 Chevrolet Tahoe?
The cheapest 2021 Chevrolet Tahoe 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 Line Fitting Kit (3670010) – $14.79
- Transmission Oil Cooler Reinstallation Kit (5670023) – $25.99
What are the top-rated Transmission Parts that fit the 2021 Chevrolet Tahoe?
Out of 744 reviews by customers, our 2021 Chevrolet Tahoe Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 2021 Chevrolet Tahoe and their top-rated products:
- Transmission Cooler and Parts
- High Performance Transmission Oil Cooler (15230020) – $85.99
- Maxi-Kool® XL Transmission Oil Cooler (12031443) – $73.99
- Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11" (20230023) – $61.99
- Transmission Connectors
- High Performance Transmission Oil Cooler (15230020) – $85.99
- Maxi-Kool® XL Transmission Oil Cooler (12031443) – $73.99
- Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11" (20230023) – $61.99
What types of Transmission Parts do you sell for my 2021 Chevrolet Tahoe?
As of 11/2/25, these are some of the most in-demand types of Transmission Parts for a 2021 Chevrolet Tahoe:
Can I get help with 2021 Chevrolet Tahoe Transmission Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Transmission Parts and more.
What is your return policy for Chevrolet Tahoe Transmission Parts?
Advance Auto Parts keeps returns simple. For new Chevrolet Tahoe Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
