SunCoast Allison Shallow Filter Kit with Lock & Spin-On Filter

The SunCoast 37711-12L Allison Shallow Filter Kit is a complete transmission service solution for GM Duramax trucks equipped with an Allison 1000 transmission and shallow transmission pan. This kit includes the internal shallow pan filter, external spin-on filter, and the proven SunCoast Filter Lock to help keep the internal filter securely in place under high-pressure conditions.

Designed for towing, daily driving, racing, and high-performance applications, this kit helps maintain proper transmission filtration while reducing the risk of filter blowout and fluid starvation that can lead to costly transmission damage.

Features

• Complete Allison shallow pan transmission filter service kit
• Includes internal shallow pan filter
• Includes external spin-on transmission filter
• Includes SunCoast Allison Filter Lock
• Helps prevent internal filter blowout under high pressure
• Designed for Allison shallow transmission pans
• Ideal for towing, racing, and heavy-duty applications
• Direct-fit replacement components

What’s Included

• Allison shallow internal transmission filter
• Spin-on external transmission filter
• SunCoast filter lock retention bracket

Vehicle Fitment

• 2001-2019 Chevrolet Silverado 2500HD/3500HD
• 2001-2019 GMC Sierra 2500HD/3500HD
• 6.6L Duramax equipped with Allison 1000 transmission
• For use with factory-style shallow transmission pans

Why Use a Filter Lock?

Under heavy load and elevated transmission pressure, the factory Allison internal filter can become unseated from the pump inlet. If the transmission loses fluid pickup, it can quickly result in slipping, overheating, or severe transmission failure. The included SunCoast Filter Lock helps keep the filter securely retained during demanding conditions.

Built for Duramax Performance

SunCoast transmission products are trusted throughout the diesel industry for their reliability and performance in both street and competition applications. This complete filter service kit provides the filtration and protection needed to help extend the life of your Allison transmission.

Note: Designed specifically for Allison transmissions using a shallow transmission pan. Not compatible with deep pan filter setups.

Part Number: 37711-12L

2019 Chevrolet Silverado 2500 HD
2019 Chevrolet Silverado 3500 HD
2019 GMC Sierra 2500 HD
2019 GMC Sierra 3500 HD
2018 Chevrolet Silverado 2500 HD
2018 Chevrolet Silverado 3500 HD
2018 GMC Sierra 2500 HD
2018 GMC Sierra 3500 HD
2017 Chevrolet Silverado 2500 HD
2017 Chevrolet Silverado 3500 HD
2017 GMC Sierra 2500 HD
2017 GMC Sierra 3500 HD
2016 Chevrolet Silverado 2500 HD
2016 Chevrolet Silverado 3500 HD
2016 GMC Sierra 2500 HD
2016 GMC Sierra 3500 HD
2015 Chevrolet Silverado 2500 HD
2015 Chevrolet Silverado 3500 HD
2015 GMC Sierra 2500 HD
2015 GMC Sierra 3500 HD
2014 Chevrolet Silverado 2500 HD
2014 Chevrolet Silverado 3500 HD
2014 GMC Sierra 2500 HD
2014 GMC Sierra 3500 HD
2013 Chevrolet Silverado 2500 HD
2013 Chevrolet Silverado 3500 HD
2013 GMC Sierra 2500 HD
2013 GMC Sierra 3500 HD
2012 Chevrolet Silverado 2500 HD
2012 Chevrolet Silverado 3500 HD
2012 GMC Sierra 2500 HD
2012 GMC Sierra 3500 HD
2011 Chevrolet Silverado 2500 HD
2011 Chevrolet Silverado 3500 HD
2011 GMC Sierra 2500 HD
2011 GMC Sierra 3500 HD
2010 Chevrolet Silverado 2500 HD
2010 Chevrolet Silverado 3500 HD
2010 GMC Sierra 2500 HD
2010 GMC Sierra 3500 HD
2009 Chevrolet C4500 Kodiak
2009 Chevrolet C5500 Kodiak
2009 Chevrolet Silverado 2500 HD
2009 Chevrolet Silverado 3500 HD
2009 GMC C4500 Topkick
2009 GMC C5500 Topkick
2009 GMC Sierra 2500 HD
2009 GMC Sierra 3500 HD
2008 Chevrolet C4500 Kodiak
2008 Chevrolet C5500 Kodiak
2008 Chevrolet Silverado 2500 HD
2008 Chevrolet Silverado 3500 HD
2008 GMC C4500 Topkick
2008 GMC C5500 Topkick
2008 GMC Sierra 2500 HD
2008 GMC Sierra 3500 HD
2007 Chevrolet C4500 Kodiak
2007 Chevrolet C5500 Kodiak
2007 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2007 Chevrolet Silverado 3500 Classic
2007 Chevrolet Silverado 3500 HD
2007 GMC C4500 Topkick
2007 GMC C5500 Topkick
2007 GMC Sierra 2500 HD
2007 GMC Sierra 2500 HD Classic
2007 GMC Sierra 3500 Classic
2007 GMC Sierra 3500 HD
2006 Chevrolet C4500 Kodiak
2006 Chevrolet C5500 Kodiak
2006 Chevrolet Silverado 2500 HD
2006 Chevrolet Silverado 3500
2006 GMC C4500 Topkick
2006 GMC C5500 Topkick
2006 GMC Sierra 2500 HD
2006 GMC Sierra 3500
2005 Chevrolet C4500 Kodiak
2005 Chevrolet C5500 Kodiak
2005 Chevrolet Silverado 2500 HD
2005 Chevrolet Silverado 3500
2005 GMC C4500 Topkick
2005 GMC C5500 Topkick
2005 GMC Sierra 2500 HD
2005 GMC Sierra 3500
2004 Chevrolet C4500 Kodiak
2004 Chevrolet C5500 Kodiak
2004 Chevrolet C6500 Kodiak
2004 Chevrolet C7500 Kodiak
2004 Chevrolet Silverado 2500 HD
2004 Chevrolet Silverado 3500
2004 Chevrolet T6500
2004 Chevrolet T7500
2004 GMC C4500 Topkick
2004 GMC C5500 Topkick
2004 GMC C6500 Topkick
2004 GMC C7500 Topkick
2004 GMC Sierra 2500 HD
2004 GMC Sierra 3500
2004 GMC T6500
2004 GMC T7500

SKU: 37711-12L

GTIN:

Manufacture Name: Suncoast

Shipping Weight: 4

Shipping Length: 10

Shipping Width: 10

Shipping Height: 6

EO Number:

Cross Reference #

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