S&B 65 Gallon High-Capacity Fuel Tank for 2001-2004 GM Duramax 6.6L LB7 Crew Cab Long Bed

$1,449.00

Important Note about the Fuel Gauge Operation:
  • The distance to empty (DTE) on GM trucks can’t be reprogrammed, so it will show about half the mileage that is really left. This occurs with all aftermarket high-capacity fuel tanks.
  • The fuel gauge will operate properly. When you fill up your tank, the fuel gauge will remain on full until about 4-5 gallons have been used and then the gauge will start to move normally. GM trucks monitor for an inoperative fuel gauge, so in some situations, until it starts to move, the truck’s computer will drop the gauge to empty to get the driver’s attention even though your tank is full. The gauge will return to its normal position after restarting the engine. Once the fuel level drops 4-5 gallons from full, the fuel gauge will return to its normal operation.
  • The bottom of the S&B tank has more surface area than the OE, so there will be a greater fuel reserve when the low fuel indicator comes on.

Do you have an Auxiliary Fuel Tank? Read why using these with our tanks will void the Lifetime Warranty.

Install Instructions

Prop 65 Warning

WARNING: This product can expose you to chemicals including carbon black, silica – crystalline, methylene chloride, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm.

MORE INFO at www.P65warnings.ca.gov

Out of stock

S&B 65 Gallon High-Capacity Fuel Tank for 2001-2004 GM Duramax 6.6L LB7 Crew Cab Long Bed

This high-capacity S&B tank gives 2001-2004 GM Duramax 6.6L LB7 Crew Cab Long Bed more usable fuel capacity in a direct-fit package. The heavy-duty construction and application-specific mounting make it a practical upgrade for towing, work, and long-distance travel.

Built for Long-Distance Use

  • Increased capacity: Carry more fuel for towing, jobsite travel, and longer trips between fill-ups.
  • Direct-fit design: The tank is shaped around the intended chassis and uses application-specific mounting hardware.
  • Factory-system compatibility: Designed to integrate with the listed sending-unit, fuel-line, and gauge configuration.
  • Durable construction: Heavy-duty materials and reinforced mounting points support demanding truck use.
  • Installation-ready details: Review the product specifications below for skid plate, sump, transfer-pump, and clearance information.

Before You Order

Confirm bed length, cab configuration, factory tank capacity, sending-unit requirements, and compatibility with fifth-wheel, gooseneck, skid-plate, lift-pump, or transfer-pump equipment using the details below.

Vehicle Fitment

YearMakeModelEngine
2001-2004ChevroletSilverado 25006.6L Duramax LB7
2001-2004ChevroletSilverado 35006.6L Duramax LB7
2001-2004GMCSierra 25006.6L Duramax LB7
2001-2004GMCSierra 35006.6L Duramax LB7
Year

, , ,

Make

,

Model

Sierra 2500, Sierra 3500, Silverado 2500, Silverado 3500

Part Type

Fuel Tank

Brand

S&B

Engine

6.6L LB7

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