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Part record

Duramax LML Auxiliary Heated Fuel Filter Kit, 2011-2016

aggregated

Auxiliary add-on fuel filter (heated), 2011-2016 LML application per the seller listing. Not a replacement for the OEM frame-rail filter - it adds a heated filtration stage ahead of the CP4.2 for cold-weather and contamination protection (the prevention half of the failure-mode record). Purpose: Prevention-side upgrade after a contamination repair or in cold climates; gelled/contaminated fuel is the documented CP4.2 accelerant.

Where to buy

SellerPriceChecked
Dave's Auto Center $418.95 2026-10-27

Dave's Auto Center's price, the same as in his store: we check it daily and the page follows a change within a day. No paid placement in the data layer.

What this record does and doesn't claim

Listed at Dave's Auto Center (checked 2026-10-24); fitment years per that listing.

Fits (48 configurations)