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
| Year | Make | Model | Engine |
|---|---|---|---|
| 2001-2004 | Chevrolet | Silverado 2500 | 6.6L Duramax LB7 |
| 2001-2004 | Chevrolet | Silverado 3500 | 6.6L Duramax LB7 |
| 2001-2004 | GMC | Sierra 2500 | 6.6L Duramax LB7 |
| 2001-2004 | GMC | Sierra 3500 | 6.6L Duramax LB7 |


















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