fits model: 3500, 2wd. make: Chevrolet, Gmc. year: 1999.

( Brand: Gmc Truck ), ( Manufacturer Part Number: TGMC3500 ), ( Part Type: Transmission ), ( Conditions Options: 6.5, At, 4x2 ), ( Genuine Oem: Yes ), ( Ipn: 400-03043b ), ( Make: Gmc )
The GMC 400-03043B Automatic Transmission is a high-performance unit designed specifically for 2WD and 4X2 applications. This transmission is a crucial component for 1999 Chevrolet 3500 trucks equipped with the powerful 6.5L V8 engine, and it's also compatible with certain GMC models.
The 4L80E transmission is renowned for its durability and reliability, making it an ideal choice for heavy-duty applications. It features a 6-speed, overdrive automatic transmission design, which allows for smooth and efficient shifting, improving fuel economy and reducing engine strain.
This transmission boasts a robust and sturdy construction, with high-quality materials used throughout. The gear teeth are hardened and chrome-molybdenum alloy is used in the input and output shafts, ensuring long-lasting performance even under the most demanding conditions.
The 4L80E also includes a torque converter, which provides smooth power delivery and helps to control engine speed during acceleration. The converter is locked up during high-speed cruising to reduce power loss and improve fuel efficiency.
The transmission is also equipped with a hydraulic control system, which allows for precise and timely shifting. This system includes a valve body, solenoids, and a vacuum modulator, all of which work together to control the flow of hydraulic fluid and engage or disengage the appropriate clutch packs.
In addition to its robust construction and advanced hydraulic control system, the 4L80E also features a number of other features that enhance its performance and reliability. These include a reverse lock-up clutch, which helps to prevent the transmission from shifting into reverse while the vehicle is in motion, and a built-in cooler, which helps to regulate transmission temperature and prevent damage from overheating.
Overall, the GMC 400-03043B Automatic Transmission is a top-quality component that provides reliable and efficient power delivery for 1999 Chevrolet 3500 trucks and certain GMC models. Its robust construction, advanced hydraulic control system, and additional features make it an ideal choice for heavy-duty applications and long-term use.
Pros of buying a 1999 Chevrolet 3500 with a 4L80E 6.5L automatic transmission (GMC 400-03043B):1. Reliability: The 4L80E transmission is a well-known and reliable automatic transmission used in various GM vehicles. It is known for its durability and longevity.
2. Power: The 6.5L V8 engine has ample power, making the truck capable of towing heavy loads and handling tough terrain.
3. Versatility: The 2WD and 4X2 options offer flexibility, allowing you to choose the best configuration for your driving needs.
4. Availability of parts: The 4L80E transmission is widely available, making it easier and less expensive to find replacement parts when needed.
Cons of buying a 1999 Chevrolet 3500 with a 4L80E 6.5L automatic transmission (GMC 400-03043B):1. Fuel efficiency: The 6.5L V8 engine is not particularly fuel-efficient, especially compared to newer, smaller engines.
2. Maintenance costs: While the 4L80E transmission is reliable, it still requires regular maintenance to keep it running smoothly. This can add to the overall cost of ownership.
3. Size and weight: The truck is large and heavy, which can make it difficult to maneuver in tight spaces and may impact fuel efficiency.
Conclusion: If you need a reliable and powerful work truck with the ability to tow heavy loads and handle tough terrain, the 1999 Chevrolet 3500 with a 4L80E 6.5L automatic transmission could be a good fit. However, be prepared for the higher fuel costs and maintenance expenses that come with a larger, older vehicle.
Recommendation: Consider thoroughly inspecting the vehicle before purchasing, including a test drive to ensure the transmission is functioning properly. Additionally, research the cost of maintenance and repairs to ensure you can afford the ongoing expenses of owning an older truck.
For example, when installing a transmission, the torque converter needs to be seated properly on input shaft. No expedited shipping is available. Steering Columns: All steering columns sold will come without airbags. 3500 HD, GMC 2500 PICKUP 99-00 AT; 4x2, 4L80E, opt MT1, diesel, excl.
3500 HD, WARRANTY / GUARANTEE. Items listed as CORE are only guaranteed rebuild able. Said convenience items are not covered under the 90-day warranty. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way.
Check the Q A section for Business Support. What is covered. Full warranty not available for items listed as CORE. Bumper assemblies DO NOT come with Upper Grilles unless stated.
Lack of these convenience items does not warrant a return. Transmissions: Transmissions will come with the torque converter and all sensors.
Warranty does NOT cover labor, diagnostics, towing costs, rental car, or any other expenses related to an item being defective/damaged. Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. 3531 County Road 3 NW. If a return is accepted, please ship the item to address below.