6.6L Duramax Transmission Oil Filter Kit For 2001-19 Chevy GMC Allison 1000 2000

6.6L Duramax Transmission Oil Filter Kit for Chevrolet, GMC

This transmission oil filter kit for 2001-2019 Chevrolet and GMC trucks equipped with the 6.6L Duramax diesel and Allison 1000/2000 automatic transmission includes an external spin-on filter and a reusable pan gasket for routine fluid service.

Overview

The 6.6L Duramax transmission oil filter kit is engineered for Allison 1000/2000 six-speed automatic transmissions behind the 6.6L Duramax diesel. It captures microscopic particles that can cause valve body wear and shift degradation, preserving transmission health. This filter kit is a staple for DIY and professional service intervals on 2001-2019 Chevrolet and GMC HD pickups.

Built For Performance

• High-efficiency filter media removes fine debris and clutch material down to 30 microns.
• Heavy-gauge filter canister prevents collapse under high-volume fluid flow.
• Multi-layer pan gasket compresses evenly for a leak-free seal.
• Direct fit for Allison 1000/2000 external spin-on filter housing.
• Helps maintain smooth shifting and prolongs transmission life.
• Manufactured to match OEM specifications for flow rate and filtration.

Fits These Machines

• for Chevrolet Silverado 2500HD/3500HD (2001-2019) with Duramax 6.6L
• for GMC Sierra 2500HD/3500HD (2001-2019) with Duramax 6.6L
• for Chevrolet Silverado 1500HD (2001-2006) with Duramax 6.6L
• for GMC Sierra 1500HD (2001-2006) with Duramax 6.6L
• for Chevrolet Kodiak/GMC TopKick (2003-2009) with Duramax 6.6L

On-The-Job Use

• Routine transmission fluid and filter changes every 50,000 miles or as recommended.
• Service for heavy towing, plowing, and commercial fleet trucks that see high load.
• Use when upgrading to synthetic transmission fluid to ensure a clean system.
• Commonly replaced during Allison 1000 spin-on filter maintenance.
• Ideal for shops performing transmission pan services on Duramax HD pickups.

Specs At A Glance

Good To Know

Q: Does this kit include the internal filter for the transmission pan? A: No, this 6.6L Duramax transmission oil filter kit contains only the external spin-on filter and pan gasket; the internal sump filter is sold separately.

Q: Is this filter kit compatible with a 2020 Duramax Silverado? A: This kit fits Allison 1000/2000 transmissions through 2019; 2020 and newer models use a different transmission and filter setup.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.