CHEVROLET TRUCK EXPRESS15 Automatic Transmission Van 400-04639 4L80E MN8

( Brand: Chevrolet Truck ), ( Manufacturer Part Number: EXPRESS15 ), ( Part Type: Transmission ), ( Conditions Options: Tested ), ( Genuine Oem: Yes ), ( Ipn: 400-04639 )

Review CHEVROLET TRUCK Automatic Transmission Opt Mn8 Express Van fits 3500 2005–2007

Chevrolet 400-04639 Automatic Transmission 4L80E (Optimized MN8 for 2005-2007 3500 Van)

The Chevrolet 400-04639 Automatic Transmission 4L80E (Optimized MN8 for 2005-2007 3500 Van) is a high-performance, heavy-duty transmission engineered for extraordinary reliability, efficiency, and smooth operation. This transmission is specifically designed to cater to the power and torque requirements of the 3500 van models from Chevrolet, ensuring seamless performance on the road.

The 4L80E transmission features a robust 5-speed design with a torque capacity of up to 475 lb-ft, making it suitable for heavy-duty applications. Its electronically controlled shift system provides quick and smooth shifts, enhancing overall driving comfort and performance. The transmission also includes a lock-up torque converter, reducing power loss and improving fuel efficiency.

The Optimized MN8 version of the 4L80E transmission is a performance upgrade that offers enhanced durability and improved shift quality. It features revised valve body and solenoid designs, as well as upgraded shift materials, to deliver smoother shifts, reduced heat generation, and extended component life.

This transmission is built with precision and adheres to strict quality control standards to ensure a perfect fit and operation in your Chevrolet 3500 van. It is compatible with both gasoline and diesel engines and is backed by the reputable Chevrolet warranty for peace of mind.

In summary, the Chevrolet 400-04639 Automatic Transmission 4L80E (Optimized MN8 for 2005-2007 3500 Van) is an excellent choice for those seeking a reliable, high-performance, and durable transmission for their heavy-duty Chevrolet van. Its smooth operation, enhanced durability, and improved fuel efficiency make it an ideal choice for everyday driving and heavy-duty applications.

1. Optimized MN8 version: This transmission variant has improved shift quality, durability, and efficiency compared to the standard 4L80E.

2. Compatibility: It is designed for 05-07 Chevrolet 3500 vans, ensuring a seamless fit and function.

3. Reliable: The 4L80E transmission is known for its durability and reliability, making it a popular choice for heavy-duty applications.

4. Wide Ratio Coverage: With its wide ratio coverage, it can handle a broad range of torque and horsepower, making it suitable for various powertrain configurations.

1. Cost: The Optimized MN8 version might be more expensive than the standard 4L80E, which could be a deterrent for some buyers.

2. Complexity: The 4L80E transmission has numerous components and can be difficult for novice mechanics to diagnose and repair.

3. Availability of Parts: While the 4L80E is a common transmission, some parts may be challenging to find, especially for the Optimized MN8 version.

4. Potential Performance Issues: In some cases, the Optimized MN8 version may not provide the same level of performance as high-performance aftermarket transmissions.

The Chevrolet 400-04639 Automatic Transmission 4L80E (Optimized MN8, 05-07, 3500 Van) is a reliable and durable option for those seeking a factory-grade transmission for their Chevrolet 3500 van. Its improved shift quality, durability, and efficiency make it an attractive choice. However, its cost, complexity, potential availability of parts, and performance limitations should be carefully considered before making a purchase decision.

If you prioritize reliability and durability, and are comfortable with the potential costs and complexities, the Chevrolet 400-04639 Automatic Transmission 4L80E (Optimized MN8, 05-07, 3500 Van) could be a suitable choice. Alternatively, you may want to explore high-performance aftermarket transmissions if you require superior performance and are willing to invest in a more complex installation and maintenance process.

Details:

SAVANA 3500 VAN 06 AT; 4L80E, Cutaway, opt MN8, 159 WB, gasoline. SAVANA 3500 VAN 05 AT; 4L80E, 4.8L, opt MN8. SAVANA 3500 VAN 05 AT; 4L80E, 6.0L, opt MN8. SAVANA 2500 VAN 07 AT; 4L80E, opt MN8, gasoline.

part #: express15 prices

• $189.97-$1049.00

specifications autotransmissionsgo:

• for models: 3500
• for makes: Chevrolet
• for years: 2005-2007
• brand: Chevrolet Truck
• mpn: Express15
• part type: Transmission
• conditions options: Tested
• genuine oem: Yes
• ipn: 400-04639

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

offer autotransmissionsgo:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: November 20, 2025

shipping autotransmissionsgo:

• transit: 5-12 Days
• class: Standard
• cost: $0.00
• service: Standard
• type: Fixed

returns autotransmissionsgo:

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

seller autotransmissionsgo:

• # reviews: 249
• rating: 90.4%
• city: Rockford, Illinois

payments autotransmissionsgo:

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

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