AMERICAN MOTORS 242.AM1603 Transmission

( Brand: American Motors ), ( Part Type: Transmission Motor ), ( Conditions Options: Suv, At ), ( Genuine Oem: Yes ), ( Ipn: 242.am1603 ), ( Make: American ), ( Manufacturer Warranty: 6 Month )

Review AMERICAN MOTORS Transmission Shift fits H2 2003

The American Powertrain 242 transmission, specifically model AM1603 H2 from the year 2003, is a high-performance automatic transmission designed for various applications, most notably for late-model GM vehicles. This transmission is an upgraded version of the original factory unit, offering enhanced durability, improved shifting performance, and increased torque capacity.

The 242 transmission features a 4L80E-style case, making it a direct bolt-in replacement for OE applications. Its robust design includes a heavy-duty input shaft, upgraded clutch packs, and a high-capacity torque converter. The unit is also equipped with a 6-puck torque converter, which provides smoother shifts and better lock-up for superior performance on the road or the race track.

This transmission is suitable for a wide range of power levels, from stock to heavily modified engines. Its versatility is further emphasized by its compatibility with various fuel systems, including EFI and carbureted applications. The 242 transmission's adaptive shifting capability allows it to work seamlessly with different driving styles and engine configurations.

The AM1603 H2 version of the 242 transmission includes a valve body kit, allowing users to customize the shift characteristics to their preferences. This feature enables the transmission to adapt to various driving conditions and engine modifications, ensuring optimal performance and driver satisfaction.

The American Powertrain 242 transmission is built to the highest standards, ensuring a reliable and durable product. It undergoes rigorous testing to ensure it meets or exceeds OE specifications. Additionally, it comes with a comprehensive warranty, providing customers with peace of mind and confidence in their investment.

In summary, the American Powertrain 242 transmission, model AM1603 H2 from 2003, is a high-performance automatic transmission that offers enhanced durability, improved shifting performance, and increased torque capacity. It is a direct bolt-in replacement for various GM applications, and its versatility makes it suitable for a wide range of power levels and driving styles. With its customizable shifting characteristics, robust design, and comprehensive warranty, the 242 transmission is an excellent choice for anyone looking to upgrade their vehicle's powertrain.

Buying a used 2003 American Axle 242.AM1603 H2 transmission comes with its own set of advantages and disadvantages. Here are some potential pros and cons:

1. Cost-effective: Buying a used transmission can save you a significant amount of money compared to purchasing a new one.

2. Availability: Used transmissions are often more readily available than new ones, especially for older models like the 2003 H2.

3. Similar performance: If the used transmission has low miles and is in good condition, it can provide similar performance to a new transmission.

1. Unknown history: You may not know the history of the transmission, such as how it was maintained or if it has any past issues.

2. Potential for repairs: A used transmission may require repairs or rebuilds, which can add to the overall cost.

3. Compatibility issues: There is a risk of compatibility issues between the used transmission and the rest of the vehicle.

Buying a used 2003 American Axle 242.AM1603 H2 transmission can be a cost-effective solution, but it comes with risks. You may save money upfront, but you could end up spending more on repairs or compatibility issues down the line. Before making a purchase, it's important to thoroughly research the seller and the transmission's history, and consider having it inspected by a professional mechanic. If the transmission is in good condition and comes with a reasonable price and warranty, it could be a worthwhile investment. However, if you have concerns about compatibility or the transmission's past issues, it may be better to consider a new transmission or another used transmission from a more reliable source.

Details:

part #: 242.am1603 prices

• $67.50-$1117.80

specifications geashif:

• for models: H2
• for years: 2003
• brand: American Motors
• part type: Transmission Motor
• conditions options: Suv, At
• genuine oem: Yes
• ipn: 242.am1603
• make: American
• manufacturer warranty: 6 Month

general geashif:

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

shipping geashif:

• carrier: USPS
• type: Fixed
• cost: $0.00
• service: USPS Priority Mail
• class: Expedited
• transit: 4-8 Days

offer geashif:

• quantity: 1
• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• started: February 24, 2026

seller geashif:

• # reviews: 1998
• city: Remsen, New York
• rating: 97.2%

returns geashif:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

payments geashif:

• wallet: Paypal
• other
• credit card: Mastercard

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