Increase the fuel capacity and driving range on your GM pickup with a larger replacement fuel tank.  A 45 gallon replacement fuel tank is available for 2500 HD and 3500 HD crew cab and extended cab pickups with 6 1/2 foot beds.   A 56 gallon fuel tank is available for 2500 HD and 3500 HD crew cab and extended cab pickups with eight foot beds.  See the available model years listed below. On 2004 GM diesel pickups, you must provide your vehicle's VIN (Vehicle Identification Number) prior to ordering a replacement fuel tank system. Press here for dimensions.

The replacement fuel tank systems come with all parts needed for installation, including straps and mounting hardware. The fuel tanks are made from 12 and 14-guage aluminized steel for superior rust resistance and strength. Each fuel tank is baffled to reduce fuel sloshing, and is powder coated black for a durable finish.

Features and Benefits

  • Made from 12 and 14-gauge aluminized steel
  • Mounts inside frame rails
  • Tanks are baffled to reduce fuel sloshing
  • Available for gas and diesel pickups
  • 45 & 56 gallon tanks hang down one inch below the lowest part of the frame rail
  • Complete fuel tank system
  • Fuel tanks available for trucks with 6.5 or 8 foot beds
  • Optional fast-fill fillneck kit available
  • 3 year/36000 mile warranty
  • Meets all federal and state emissions regulations

Fill your diesel pickup at diesel truck stops!
For information about our fast-fill fillneck kits for GM diesel pickups,
press here.

Gallons

Fuel Type

Years

Part Number

Ship/Weight

Notes

Code

Price

45 gallons

Diesel with LB7 engine

2001-04

080-01-11914

Truck/191 lb

2500 & 3500 HD crew cab & ext. cab with 6 1/2 foot bed

N, O

$777.17

45 gallons

Diesel with LLY, LBZ, or LMM engine

2004-08

080-01-12755

Truck/191 lb

2500 & 3500 HD crew cab & ext. cab with 6 1/2 foot bed

N, O

$821.57

45 gallons

Gas (non OBD-II)

2001-03

080-01-11924

Truck/198 lb

2500 & 3500 HD crew cab & ext. cab with 6 1/2 foot bed

N, P

$916.08

45 gallons

Gas
(OBD-II)

2001-03

080-01-12304

Truck/203 lb

2500 & 3500 HD crew cab & ext. cab with 6 1/2 foot bed

N

$1105.00

45 gallons

Gas (non OBD-II)

2004-07

080-01-13238

Truck/187 lb

2500 & 3500 HD crew cab & ext. cab with 6 1/2 foot bed

N, P

$943.67

45 gallons

Gas
(OBD-II)

2004-07

080-01-13237

Truck/199 lb

2500 & 3500 HD crew cab & ext. cab with 6 1/2 foot bed

N

$995.29

56 gallons

Diesel with LB7 engine

2001-04

080-01-11513

Truck/220 lb

2500 & 3500 HD crew cab & ext. cab with 8 foot bed

N, O

$864.81

56 gallons

Diesel with LLY, LBZ, or LMM engine

2004-08

080-01-12752

Truck/216 lb

2500 & 3500 HD crew cab & ext. cab with 8 foot bed

N, O

$937.92
 

56 gallons

Gas (non OBD-II)

2001-03

080-01-11755

Truck/218 lb

2500 & 3500 HD crew cab & ext. cab with 8 foot bed

N, P

$963.05

56 gallons

Gas
(OBD-II)

2001-03

080-01-12306

Truck/229 lb

2500 & 3500 HD crew cab & ext. cab with 8 foot bed

N

$1169.40

CODES
N = Available only for 2500 HD & 3500 HD series pickups (not available for 1500 series due to low clearance).
O = On 2004 GM diesel pickups, check the pickup’s Vehicle Identification Number (VIN) prior to ordering. Your pickup will have an LB7 engine if there is a “1” in the eighth digit of the VIN number. Your pickup has an LLY engine if there is a “2” in the eighth digit of the VIN number. Please indicate your GM pickup’s engine type when ordering this product for the 2004 model year.
P = Available for Non-California emissions vehicles over 8600 GVW only. Non OBD-II fuel systems can only be sold if the emissions label allows for additional fuel capacity. The vehicle’s emission label is located in the engine compartment and will state that the emissions system is capable of handling 100 gallons of fuel. If it does not state this, you cannot install this fuel system.

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Press here for clearance photos.

Larger Replacement Fuel Tanks Available For 2001 -08 GM Pickups