GMC TRUCK SIERRA350 Transmission 242.GM9O02

( Brand: Gmc Truck ), ( Manufacturer Part Number: SIERRA350 ), ( Part Type: Transmission ), ( Conditions Options: 4wd ), ( Genuine Oem: Yes ), ( Ipn: 242.gm9o02 ), ( Manufacturer Warranty: No Warranty )

Review GMC TRUCK Transmission Shift fits 2002

Introducing the GMC Sierra 3500 2002 Transmission, specifically model number 242.GM902, a robust and reliable powertrain component designed to handle the demands of heavy-duty applications. This transmission is an essential part of the GMC Sierra 3500's impressive towing capabilities.

The 242.GM902 transmission is an Allison 1000 Series automatic transmission, recognized for its durability and smooth shifting performance. It boasts a six-speed configuration, delivering optimal power transfer and superior fuel efficiency. This transmission is capable of managing high torque outputs, making it an ideal fit for the powerful engines found in the GMC Sierra 3500.

Key features of the 242.GM902 transmission include its heavy-duty construction, with a cast iron case and robust gearing system designed to withstand the rigors of commercial use. The transmission also incorporates advanced control systems, including an electronic shift control and a lock-up torque converter, ensuring smooth shifts and improved efficiency.

Additionally, this transmission is compatible with various engine configurations, including the 6.0L Vortec V8 and the 6.6L Duramax Diesel engine. It is also designed to work seamlessly with the Sierra 3500's sophisticated drivetrain, providing a balanced and responsive driving experience.

Regular maintenance, such as oil changes and filter replacements, is crucial to ensure the longevity and optimal performance of the 242.GM902 transmission. Proper maintenance can also help prevent potential issues and minimize repair costs.

In summary, the GMC Sierra 3500 2002 Transmission 242.GM902 is a heavy-duty, six-speed automatic transmission that delivers impressive power transfer, smooth shifting performance, and robust construction. Ideal for the demanding applications of the GMC Sierra 3500 and compatible with various engine configurations, this transmission is a crucial component for those seeking to maximize the capabilities of their heavy-duty pickup truck.

Buying a Used GMC Sierra 3500 2002 Transmission: A Comprehensive Analysis

The Allison 1000 6-speed automatic transmission in the GMC Sierra 3500 2002 model is a popular choice for heavy-duty towing applications. However, buying a used transmission for your vehicle involves careful consideration of various factors to ensure you make an informed decision. In this analysis, we will discuss the pros and cons of purchasing a used GMC Sierra 3500 2002 transmission.

1. Durable and Reliable: The Allison 1000 transmission is known for its robustness and reliability. It has a reputation for withstanding heavy loads and has a long service life.

2. Smooth Shifting: The transmission provides smooth and consistent shifts, making for a pleasant driving experience.

3. Adaptive Learning: The transmission adapts to the driving style of the operator, providing customized shifting patterns and improving overall performance.

4. Efficient Power Transfer: The Allison 1000 transmission efficiently transfers power from the engine to the wheels, reducing power loss and improving fuel economy.

5. Wide Range of Applications: The transmission is used in various heavy-duty vehicles apart from the GMC Sierra 3500, providing a large market for used transmissions.

1. Complex Design: The Allison 1000 transmission is a complex piece of machinery, with numerous components and systems. This complexity increases the likelihood of issues arising from wear and tear or previous damage.

2. Cost: The cost of a used Allison 1000 transmission for a GMC Sierra 3500 can be quite high, especially if it is in good condition and from a reliable seller.

3. Availability: Finding a used Allison 1000 transmission in good condition and compatible with your specific vehicle model and year can be a challenge.

4. Maintenance: The transmission requires regular maintenance, including fluid changes and filter replacements, to ensure optimal performance and longevity.

5. Rebuild vs. Replace: Depending on the condition of the transmission and the cost of repairs, it may be more cost-effective to rebuild the transmission instead of buying a new one.

The decision to buy a used GMC Sierra 3500 2002 transmission involves careful consideration of various factors, including the condition of the transmission, the cost, availability, and your personal preferences. While the Allison 1000 transmission offers numerous advantages, such as durability, reliability, and smooth shifting, it also comes with challenges like complexity, maintenance requirements, and cost. Ultimately, if you can find a trustworthy seller offering a well-maintained transmission at a fair price, the benefits may outweigh the drawbacks.

If you decide to buy a used GMC Sierra 3500 2002 transmission, ensure that you purchase it from a reputable seller with a proven track record. Request a detailed inspection report, including a history of previous repairs and maintenance, before making the purchase. Additionally, consider having the transmission inspected by a professional mechanic before installing it in your vehicle to ensure its compatibility and optimal performance.

Details:

Please see photos and utilize the zoom tool to check condition of part. It will not come with the shiftier cable or surround trim. Mounting bolts are not included.

part #: sierra350 prices

• $88.71-$553.00

specifications geashif:

• for makes: Gmc
• for years: 2002
• brand: Gmc Truck
• mpn: Sierra350
• part type: Transmission
• conditions options: 4wd
• genuine oem: Yes
• ipn: 242.gm9o02
• manufacturer warranty: No Warranty

returns geashif:

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

shipping geashif:

• service: UPS Ground
• cost: $0.00
• carrier: UPS
• type: Fixed
• class: Standard
• transit: 4-10 Days

payments geashif:

• other
• credit card: Visa
• wallet: Apple-pay

general geashif:

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

seller geashif:

• rating: 97.3%
• # reviews: 5870
• city: Buffalo, Wyoming

offer geashif:

• options: Ship-to-home
• sold: 0
• quantity: 1
• best offers: True
• started: April 25, 2026
• availability: In Stock

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