GMC TRUCK 242.GM9H21 Transmission 481565

( Brand: Gmc Truck ), ( Part Type: Transmission ), ( Conditions Options: Electric Shifter ), ( Genuine Oem: Yes ), ( Ipn: 242.gm9h21 )

Review GMC TRUCK Transmission Shift fits TERRAIN 2021

Introducing the advanced GMC Terrain 2021 transmission system, specifically the 2.4L I-4 DOHC engine with the Hydra-Matic 6T40 6-speed automatic transmission (designated as model number 242.Gm9H21). This transmission system is meticulously engineered to provide a seamless driving experience, combining efficiency, power, and responsiveness.

The Hydra-Matic 6T40 6-speed automatic transmission integrates electronic control, which allows for precise shift quality and optimizes gear progression for a more refined driving experience. Its wide ratio spread ensures optimal engine rpm for every gear, leading to improved fuel economy and power delivery.

This transmission system utilizes a heavy-duty, durable design to handle the demands of various driving conditions. The multi-disc clutch system effectively manages torque conversion, ensuring efficient power transfer to the vehicle's drivetrain. The transmission's robust construction also includes a strong housing and reinforced input and output shafts.

The 2021 GMC Terrain's 6T40 transmission features a Tow/Haul mode, which optimizes gear progression for heavy-duty towing tasks. When engaged, the transmission maintains lower gears for longer periods during uphill climbs or when towing, providing the necessary power and torque for more challenging situations.

In addition, this transmission system incorporates a refined electronic control system, allowing for various driving modes like Eco, Normal, and Sport. The Eco mode maximizes fuel economy, while the Normal mode balances power and efficiency. The Sport mode, on the other hand, provides a more responsive and dynamic driving experience.

Lastly, this transmission system is compatible with the GMC Terrain's advanced 2.4L I-4 DOHC engine, which delivers a balanced combination of power and efficiency. Together, the engine and transmission work in harmony, providing a dynamic driving experience that is both enjoyable and efficient.

In summary, the GMC Terrain 2021 transmission, specifically the 242.Gm9H21 Hydra-Matic 6T40 6-speed automatic transmission, is a highly advanced and versatile system designed to optimize power delivery, efficiency, and responsiveness. Its robust construction, electronic control capabilities, and various driving modes ensure a refined and engaging driving experience tailored to the needs of the driver.

The GMC Terrain 2021 with the 2.4L I-4 DOHC engine and 9-speed automatic transmission (designation 2.4L I-4 Turbo AWD) offers several advantages and disadvantages. Here's a detailed analysis:

1. Fuel Efficiency: This transmission system is known for its impressive fuel economy. According to the Environmental Protection Agency (EPA), this Terrain model achieves up to 25 mpg in the city and 30 mpg on the highway.

2. Smooth Shifting: Many reviewers have commented on the smooth and quiet shifting of this transmission. This is a significant improvement over the previous models, which had issues with rough shifting.

3. All-Wheel Drive: The availability of all-wheel drive makes this vehicle suitable for various driving conditions, including snow and wet roads.

4. Power: The 9-speed automatic transmission delivers respectable power and torque, making the vehicle responsive and agile.

1. Complexity: The 9-speed automatic transmission is more complex than the previous 6-speed automatic transmission, leading to potential maintenance issues and higher repair costs.

2. Shifting Delay: Some drivers have reported a noticeable delay in shifting, which can be frustrating when trying to accelerate quickly.

3. Cost: The 9-speed automatic transmission is more expensive than the 6-speed automatic transmission.

The GMC Terrain 2021 with the 2.4L I-4 Turbo AWD and 9-speed automatic transmission offers several advantages such as fuel efficiency, smooth shifting, all-wheel drive, and power. However, it also has some disadvantages, including complexity, shifting delay, and cost.

Considering the advantages and disadvantages, this transmission system is suitable for those who prioritize fuel efficiency, smooth shifting, and all-wheel drive. However, if you're concerned about complexity, shifting delay, and cost, you may want to consider other transmission options or different vehicle models. Ultimately, it's essential to weigh the pros and cons carefully and make a decision based on your individual needs and preferences.

Details:

part #: 242.gm9h21 prices

• $74.99-$148.40

specifications shifterfreddie:

• for models: Terrain
• for makes: Gmc
• for years: 2021
• brand: Gmc Truck
• part type: Transmission
• conditions options: Electric Shifter
• genuine oem: Yes
• ipn: 242.gm9h21

seller shifterfreddie:

• city: Capac, Michigan
• # reviews: 2139
• rating: 95.2%

shipping shifterfreddie:

• class: Standard
• cost: $0.00
• service: Standard
• transit: 3-7 Days
• type: Fixed

payments shifterfreddie:

• other
• credit card: Discover
• wallet: Google-pay

offer shifterfreddie:

• quantity: 1
• sold: 0
• started: July 14, 2025
• availability: In Stock
• options: Ship-to-home

general shifterfreddie:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Shifters, Cables Linkages

returns shifterfreddie:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

Gmc Truck 481565 Is Similar To:

• Gmc Truck 242.gm9h16 Terrain 2016 Transmission Shift (90.1% similar) Terrain 2016 transmission shift 7260231 this listing is for a used and it includes just the shifter mechanism does not include console, trim, or gear selector face plate that may be visible in photos. Extensive inventory and product availability. Quality tested. Peace of mind with...(May 21st, 2024)
• Gm 15722998 98-05 Chevrolet S10 Gmc Sonoma Gray Manual Transmission Shifter With Bezel Console (37.9% similar) Color of the console is pewter gray. Removed from a 2001 Gmc Sonora, with 2.2L and 5 speed manual transmission. Comes with the stick and knob 9/1 /4 length total, boot no holes, bezel rubber mat cup inserts cracks, single mounting point is intact...(May 29th, 2024)
• Gmc Truck 242.gm9416 16 2016 Canyon Automatic Transmission Shifter Assembly (64.2% similar) N new part manufactured from scratch. Parts are sold strictly as replacement parts only. No expedited shipping is available...(May 31st, 2024)
• Gmc Truck 22857352 2014-2020 Sierra2500 Transmission Column Shifter Assembly Oem (57.6% similar) If something is wrong with an order, we certainly do want to help you. Please compare part numbers before purchasing. Free shipping only applies to items you keep. Model: SIERRA250. Easy to find parts that don't require a mechanics knowledge. Image shown may be the vehicle from which...(June 2nd, 2024)
• Gmc Truck 242.gm9b17 Canyon 2017 Transmission Shift (80% similar) See below for fitment information and any notes pertaining to this specific part. Year: 2017 , model: canyon, stock #: C4482, mileage: 111000. Notes: floor shift, at, 4WD, Denali. This part will only fit. For more parts from this vehicle. It is ready to ship and comes with a 90 day...(June 6th, 2024)
• Gmc Truck 242.gm9a12 Acadia 2012 Transmission Shift 646920 (75.2% similar) Part #: Gmc Truck 646920 for sale...(July 3rd, 2024)
• Gmc 242-05175x 2018 Canyon Automatic Floor Shift Assembly Oem 59k Miles Lkq377977948 (35.9% similar) The shift knob is usually included for automatic transmission vehicles, but may be removed manual vehicles. This will fit: Gmc canyon 2015 -2019.T.; 2.5L, 4X2. Cables, wiring and console parts that attach to the shifter are not included. Attention: stock photo shows multiple items...(July 4th, 2024)
• General Motors 14072696 Gm 1979-1991 Chevy Gmc Trucks 3 Speed Trans Shift Knob Granny Sm465 (37.3% similar) This shift knob is a perfect fit for your gm 1979 -1991 Chevy or Gmc Truck. It is made of durable rubber material and comes in a sleek black color. The part number for this shift knob is 14072696 and it a vintage piece that perfect collectors or those looking to restore their Truck its original...(July 10th, 2024)
• Gmc 242-04408x 2011 Terrain Automatic Floor Shift Assembly Oem 129k Miles Lkq 391593371 (38.4% similar) Cables, wiring and console parts that attach to the shifter are not included. The shift knob is usually included for automatic transmission vehicles, but may be removed manual vehicles. This is not a manufacturer part number, and can be disregarded...(July 13th, 2024)
• Gmc Truck 242.gm9h19 Terrain 2019 Transmission Shift 1891517 (90.8% similar) See below for fitment information and any notes pertaining to this specific part. This part will only fit. For more parts from this vehicle. Donor vehicle. It is ready to ship and comes with a 90 day warranty. Notes: dash mounted shift button assembly. Year: 2019 , model: terrain, stock...(July 30th, 2024)
• Gmc 242.gm9221 Transmission Shifter Assembly 2021 Sierra Truck pickup 1500 Sku 3889007 (49.7% similar) Manual transmissions do not include any part of the clutch system. Our part #: 242.GM9221, 3889007. It will have high miles or minor damage. If noted as assembly, it will include the lug wrench. Power steering gear: includes Pittman arm. Mass airflow sensor: does not include housing...(August 2nd, 2024)