Product Details

Master rebuild kit for the Aisin Warner 450-43LE, AW450-43LE automatic transmission

Year range: 1998-2007

Transmission make: Chevrolet, GM, GMC, Isuzu, Nissan UD, and Mitsubishi Fuso

Engine: Inline 4 cylinder diesel

Rear wheel drive models

This high quality transmission master overhaul rebuild kit contains

• All friction clutch plates
• Fluid filter
• Front pump bushing
• All rubber clutch piston seals
• All paper gaskets
• All O-rings
• All metal clad seals
• Teflon and steel sealing rings
• Duraprene pan gasket

This kit includes both the .071 and .083 forward clutches.  You will not know which ones you need until you have the transmission disassembled.

The Transtec gasket overhaul set contained within this box kit is highly rated and used by most rebuild shops.

Additionally, you can add the following options to this rebuild kit:

• Steel clutch plates (*Pictured)
• Full bushing kit
• Rostra solenoid kit – w/o EPC
• EPC solenoid
• Main boost valve
• Cutback sleeve

Remember to soak all of your clutches in transmission fluid for thirty minutes before you install them.

This overhaul kit works in the following Chevrolet, GM, GMC, Isuzu, Mitsubishi Fuso, and Nissan UD applications.

Chevrolet

• W3500 Tiltmaster, I4 diesel, 1999-2007*
• W4500 Tiltmaster, I4 diesel, 2002-2007
• W5500 Tiltmaster, I4 diesel, 2000-2007
• W5500HD Tiltmaster, I4 diesel, 2004-2007

GMC

• W3500 Forward, I4 diesel, 1999-2007*
• W4500 Forward, I4 diesel, 1999-2007*
• W5500 Forward, I4 diesel, 2000-2007
• W5500HD Forward, I4 diesel, 2004-2007

Hino Trucks

• 145, I4 diesel, 2005-2007
• 168, I4 diesel, 2005-2007
• 185, I4 diesel, 2005-2007

Isuzu

• NPR, I4 diesel, 1999-2007
• NPR HD, I4 diesel, 1999-2007

Mitsubishi Fuso

• FE, I4 diesel, 1999-2004*
• FE-HD, I4 diesel, 1999-2004*
• FE-SP, I4 diesel, 1999-2004*
• FG, I4 diesel, 1999-2004*
• FE120, I4 diesel, 2005-2007
• FE145, I4 diesel, 2005-2007
• FE145CC, I4 diesel, 2005-2007
• FE180, I4 diesel, 2005-2007
• FG140, I4 diesel, 2005-2007

Nissan UD

• 1200, I4 diesel, 1999-2004
• 1300, I4 diesel, 2005-2007
• 1400, I4 diesel, 1999-2007*

*The 450-43LE transmission started in 1998, but was a cross-over year. This application could have the listed transmission, starting in 1998. If you are unsure about a 1998 model, please contact us for help.

These transmissions are known by multiple names and codes, including: 450-43LE, AW450-43LE, Aisin AW, Aisin Seiki, Aisin-Warner