{"product_id":"s-b-tanks-fuel-tank-sending-unit-86-2004-2011-2016-6-6l-duramax-lml","title":"S\u0026B TANKS FUEL TANK SENDING UNIT 86-2004 | 2011-2016 6.6L DURAMAX LML","description":"\u003cp\u003eHelp maintain consistent fuel delivery at low tank levels in your Chevy or GMC 6.6L Duramax LML equipped with an aftermarket lift pump using the S\u0026amp;B Tanks 86-2004 Fuel Tank Sending Unit. Designed to address low-fuel pickup issues, this upgraded sending unit helps keep fuel available to the lift pump as the tank approaches empty.\u003c\/p\u003e\n\n\u003cp\u003eThe sending unit incorporates a Venturi jet pump powered by the aftermarket lift pump to continuously transfer fuel into the sending unit reservoir. Keeping the reservoir supplied helps reduce the potential for fuel starvation, sputtering, and inconsistent fuel delivery when the overall tank level becomes low.\u003c\/p\u003e\n\n\u003cp\u003eConstructed with OEM-grade materials, the 86-2004 is designed as a plug-and-play solution compatible with both OEM and applicable S\u0026amp;B fuel tanks. Installation does not require modification to the fuel tank or factory sending unit, providing a straightforward solution for trucks already equipped with an aftermarket lift pump.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to address low-fuel-level pickup issues with aftermarket lift pumps\u003c\/li\u003e\n  \u003cli\u003eVenturi jet pump helps keep the sending unit reservoir supplied with fuel\u003c\/li\u003e\n  \u003cli\u003eHelps maintain consistent fuel delivery at low tank levels\u003c\/li\u003e\n  \u003cli\u003eHelps reduce fuel starvation and sputtering\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM and applicable S\u0026amp;B fuel tanks\u003c\/li\u003e\n  \u003cli\u003eRequires an aftermarket lift pump\u003c\/li\u003e\n  \u003cli\u003eOEM-grade materials\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play installation\u003c\/li\u003e\n  \u003cli\u003eNo modification to the compatible fuel tank or factory sending unit required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevy\/GMC applications equipped with the 6.6L Duramax LML diesel engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis sending unit requires an aftermarket lift pump for the Venturi jet pump to operate. It is compatible with OEM and applicable S\u0026amp;B fuel tanks. Verify fuel tank and lift pump compatibility before ordering.\u003c\/p\u003e","brand":"S\u0026B Filters","offers":[{"title":"Default Title","offer_id":54026550313243,"sku":"86-2004","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-09-23at12.37.47PM.png?v=1790228326","url":"https:\/\/wwmperformance.com\/products\/s-b-tanks-fuel-tank-sending-unit-86-2004-2011-2016-6-6l-duramax-lml","provider":"WWM Performance","version":"1.0","type":"link"}