fits model: 2500. make: Gmc. year: 2008–2009.

( Brand: Gmc Truck ), ( Manufacturer Part Number: SAVANA25 ), ( Part Type: Transmission ), ( Conditions Options: 6.6, Col, 4at, Rwd, Id Mkp ), ( Genuine Oem: Yes ), ( Ipn: 400-00594 ), ( Manufacturer Warranty: 90 Day )
The GMC 400-00594 Automatic Transmission is a high-performance component designed specifically for 6.6L 2008-2009 GMC 2500 vans equipped with the 4L80E Opt MN8 transmission system. This transmission is a crucial part of your vehicle's powertrain, responsible for smoothly transferring power from the engine to the wheels.
The GMC 400-00594 transmission is a heavy-duty unit, engineered to handle the demanding tasks of a commercial or heavy-use vehicle. It features a robust design with a 6-speed automatic gear configuration, ensuring optimal power delivery and fuel efficiency. The transmission's torque capacity is well-suited for the 6.6L engine, delivering responsive acceleration and smooth shifts.
The GMC 400-00594 transmission comes with a robust cast iron housing for durability and stability. It also features a sturdy 8-bolt input and a 5-bolt output shaft for enhanced strength and longevity. The transmission uses a hydraulic control system, which includes a pressure regulator, solenoids, and a torque converter to manage power flow and smooth shifts.
This GMC transmission is a direct replacement for the original part, ensuring a perfect fit and easy installation. It is designed to meet or exceed OEM specifications, ensuring reliable performance and longevity. The GMC 400-00594 transmission includes all necessary hardware for installation, making it a convenient and hassle-free upgrade or replacement option.
In summary, the GMC 400-00594 Automatic Transmission is a high-quality, heavy-duty component designed specifically for 6.6L 2008-2009 GMC 2500 vans. Its robust design, 6-speed automatic gear configuration, and hydraulic control system ensure reliable performance, smooth shifts, and optimal power delivery. This transmission is a direct replacement for the original part, making it a convenient and reliable upgrade or replacement option for your vehicle.
The GMC 400-00594 automatic transmission 4L80E (Optimized for MN8, 6.6L, 08-09 2500 Van) is a popular choice for many vehicle owners due to its durability and reliability. Here are some pros and cons to consider before making a purchase:
Pros:1. Durability: The 4L80E transmission is known for its durability and can last over 300,000 miles with proper maintenance.
2. Fuel Efficiency: Compared to older transmission models, the 4L80E is more fuel-efficient.
3. Availability of Parts: Due to its popularity, parts for the 4L80E are widely available and relatively inexpensive.
4. Adaptability: The 4L80E can be adapted to different engine sizes and power levels, making it a versatile option.
5. Easy to Repair: The transmission is easy to disassemble and repair, which can save you money in the long run.
Cons:1. Complexity: The 4L80E is a complex transmission with numerous components, which can make repairs more difficult for less experienced mechanics.
2. Cost: Although parts are relatively inexpensive, the cost of labor for installation and repairs can be high.
3. Overheating: If not properly maintained, the transmission can overheat, which can lead to damage.
4. Shifting Issues: Some users have reported shifting issues, particularly when towing heavy loads.
Conclusion:The GMC 400-00594 automatic transmission 4L80E is a reliable and durable option for those looking to upgrade their 6.6L 2008-2009 GMC 2500 van's transmission. Its fuel efficiency, wide availability of parts, and adaptability make it a versatile choice. However, its complexity and potential for shifting issues should be considered before making a purchase. If you're comfortable with the possibility of repairs and have the budget for installation and maintenance, the 4L80E can be a great investment. But if you're looking for a simpler and less expensive option, you may want to explore other transmission options.
SAVANA 2500 VAN 09 AT, 4L80E, opt MN8, 6.6L, ID MKP 135 WB. B R cannot and will not guarantee miles. Inspect and replace seals before installation if necessary. Warranty does not cover negligence or abuse of unit.
Verify and check fluid type, levels, viscosity requirements. SAVANA 2500 VAN 08 AT; 4L80E, opt MN8, 6.6L, ID MKP 135 WB. TORQUE CONVERTER is included If Equipped. Cooling lines must be flushed of debris before installing.
The torque converter must be properly seated and aligned to the front pump. Transfer Case. Inspected and replace seals before installation if necessary. SAVANA 3500 VAN 08-09 AT, 4L80E, opt MN8, diesel, ID MKP.
Air bags must be installed and inspected by a factory trained certified technician. Residential delivery is not included in the free shipping. If heat tabs are melted or removed, warranty void. Check with the dealer as components may be different.
Timing components, injectors, oil cooler, thermostat, and water pump must be replaced. Small Parcel Shipping UPS/FedEx: Free shipping on all small parcel orders. B R removes the pan and filters to each transmission in order inspect them. The customer must replace seals, gaskets, and filters before installation.
We remove the oil pan and filter to inspect unit. It is required that you re-seal transmission and engine oil pans. IT IS required THAT YOU re-seal the transmission and engine oil pans.