12-755 Fuel Pump Diaphragm Assembly For Ultra HP Mechanical Fuel Pumps: 12-289-30, 12-327-30, 12-454-30 and 12-454-40

Name: 12-755 Fuel Pump Diaphragm Assembly For Ultra HP Mechanical Fuel Pumps: 12-289-30, 12-327-30, 12-454-30 and 12-454-40
Brand: HOLLEY
SKU: 510-12-755
Price: 83.15 USD
Availability: InStock

^$83¹⁵

1 left in stock

Ships on Oct 19, 2026

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Ultra HP Fuel Pump Internals

For Ultra HP Mechanical Fuel Pumps:
12-289-30, 12-327-30, 12-454-30 and 12-454-40
Low Pressure
Fuel Pump Diaphragm Assembly

The Holley Ultra HP Mechanical Fuel Pump Accessories are used to rebuild or replace worn and damaged items on your Holley Ultra HP Billet mechanical fuel pump.

Part TypeFuel Pump Diaphragm

Product LineHolley Ultra HP Mechanical Fuel Pump Accessories

BrandHOLLEY

Package Height4.3

Package Width4.3

Package Length4.6

Weight0.35 PG

Part CategoryPerformance Parts

QuantitySold as a kit

Fuel Pump Rebuild Kit TypeDiaphragm

Part FitmentSemi Universal

Vendor Part Number12-755

Package Qty1

Package TypeEA

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Please click here to download the instructions PDF file

Some parts are not legal for use in California or other states with similar laws / regulations

12-755 Fuel Pump Diaphragm Assembly For Ultra HP Mechanical Fuel Pumps: 12-289-30, 12-327-30, 12-454-30 and 12-454-40

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