Home / Shop / Holley Electric In-Tank Fuel Pumps 12-954 Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Sending Unit, Stock Inlet and Outlet, Chevy, GMC, Truck, 4.3L, 4.8L, 5.3L, 6.0L, 8.1L, Each

Holley Electric In-Tank Fuel Pumps 12-954 Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Sending Unit, Stock Inlet and Outlet, Chevy, GMC, Truck, 4.3L, 4.8L, 5.3L, 6.0L, 8.1L, Each

SKU: HLY12-954

Fuel Pumps

Holley

Holley Electric In-Tank Fuel Pumps 12-954 Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Sending Unit, Stock Inlet and Outlet, Chevy, GMC, Truck, 4.3L, 4.8L, 5.3L, 6.0L, 8.1L, Each

SKU: HLY12-954

Fuel Pumps

LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

Holley electric in-tank fuel pumps provide the extra fuel required after completing other engine modifications, such as adding performance camshafts, headers, larger injectors, and so on. They use a proven gerotor-type pump and are compact enough to fit existing hanger assemblies. They're also designed for easy installation and come complete with instructions and all necessary parts, including a new strainer-type fuel filter. Dozens of models and options are available; order the fuel pump recommended for your vehicle.

Part Type

Fuel Pumps

Data: v4.2 - Upd: 2026-10-16 04:08:37

Specifications

Product Attributes - Brand: Holley
Product Attributes - Manufacturer's Part Number: 12-954
Product Attributes - Part Type: Fuel Pumps
Product Attributes - Product Line: Holley Electric In-Tank Fuel Pumps
Product Attributes - UPC: 090127718049
Product Attributes - Fuel Pump Type: Electric In-tank
Product Attributes - Flow Rate: 59 gph/225 lph
Product Attributes - Fuel Pressure (psi): 110 psi
Product Attributes - Fuel Pump Voltage: 12 V
Product Attributes - Fuel Pressure Regulator Included: No
Product Attributes - Sending Unit Included: Yes
Product Attributes - Fuel Pump Inlet Size: Stock
Product Attributes - Inlet Attachment: Stock
Product Attributes - Fuel Pump Outlet Size: Stock
Product Attributes - Outlet Attachment: Stock
Product Attributes - Gasket Included: No
Product Attributes - Wiring Harness Included: No
Product Attributes - Mounting Bracket Included: No
Product Attributes - Mounting Hardware Included: No
Product Attributes - Pulley Included: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.

Reference Information

Brand Name/s	Holley
StreetFX SKU	hly12-954
SFX Item ID	4784147
Supplier Item Code	4784147
Manufacturer SKU	12-954
Manufacturer UPC	90127718049
Alternative References	HOL12-954, 12V, 4.3L, 4.8L, 5.3L, 6.0L

Compatibility

Application Data

Universal No
Make GMC
Model SIERRA 1500
Submodel SLT
Beginning Year 2005
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 1500
Submodel WT
Beginning Year 2004
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 4.8L/294
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 1500
Submodel WT
Beginning Year 2004
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500
Submodel DENALI
Beginning Year 2004
Ending Year 2004
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD
Submodel BASE
Beginning Year 2004
Ending Year 2005
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD CLASSIC
Submodel SL
Beginning Year 2007
Ending Year 2007
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD CLASSIC
Submodel SLE
Beginning Year 2007
Ending Year 2007
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 4.8L/294
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD CLASSIC
Submodel SLT
Beginning Year 2004
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD CLASSIC
Submodel SLE
Beginning Year 2004
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD
Submodel SL
Beginning Year 2006
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD
Submodel SLE
Beginning Year 2007
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD
Submodel SLT
Beginning Year 2004
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 4.8L/294
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500 HD
Submodel WT
Beginning Year 2007
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500
Submodel SLE
Beginning Year 2004
Ending Year 2004
Engine Type V8
Engine Family Chevy big block Gen VII
Engine Size 8.1L/496
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500
Submodel SLT
Beginning Year 2007
Ending Year 2004
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 2500
Submodel WT
Beginning Year 2007
Ending Year 2004
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500
Submodel BASE
Beginning Year 2005
Ending Year 2005
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500 CLASSIC
Submodel SL
Beginning Year 2005
Ending Year 2007
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500 CLASSIC
Submodel SLE
Beginning Year 2007
Ending Year 2007
Engine Type V8
Engine Family Chevy big block Gen VII
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500 CLASSIC
Submodel SLT
Beginning Year 2007
Ending Year 2007
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500 CLASSIC
Submodel WT
Beginning Year 2007
Ending Year 2007
Engine Type V8
Engine Family Chevy big block Gen VII
Engine Size 4.8L/294
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500
Submodel SL
Beginning Year 2006
Ending Year 2006
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500
Submodel SLE
Beginning Year 2005
Ending Year 2006
Engine Type V8
Engine Family Chevy big block Gen VII
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500
Submodel SLT
Beginning Year 2004
Ending Year 2004
Engine Type V8
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Fuel Type GAS
Universal No
Make GMC
Model SIERRA 3500
Submodel SLT
Beginning Year 2004
Ending Year 2006
Engine Type V8
Engine Family Chevy big block Gen VII
Engine Size 6.0L/364
Fuel Type GAS

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Holley Electric In-Tank Fuel Pumps 12-954 Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Sending Unit, Stock Inlet and Outlet, Chevy, GMC, Truck, 4.3L, 4.8L, 5.3L, 6.0L, 8.1L, Each

Holley Electric In-Tank Fuel Pumps 12-954 Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Sending Unit, Stock Inlet and Outlet, Chevy, GMC, Truck, 4.3L, 4.8L, 5.3L, 6.0L, 8.1L, Each

Description

Part Type

Specifications

Reference Information

Compatibility

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