
MELLINGPART NUMBER: 689-10778
10778 Select Oil Pump Big Block Chevy
$18299
1 left in stockGM Oil Pumps
- Select Oil Pump
- Big Block Chevy
- 25% More Volume than OE
- Includes Chrome Moly I/S Shaft with Steel Guide
- Extended Drive And Idler Shaft For More Support In The Cover
- Relief Valve Features A Screw In Plug
Melling 689-10778 Features:
Part TypeOil Pump
BrandMELLING
Package Height5.25 in.
Package Width3.7 in.
Package Length6.0
Weight6.05 PG
Part CategoryReplacement Parts
Hardware IncludedNo
Drive Shaft IncludedYes
Housing FinishPhosphate Coating
Housing MaterialCast Iron
Mounting Hole Quantity2
Adjustable Bypass PressureYes
Bolts IncludedNo
Spacer IncludedNo
Alternate Pressure Springs IncludedYes
Anti-CavitationNo
Inlet Size (In.)0.75
O-Ring IncludedNo
Washers IncludedNo
Mounting Hole Diameter0.24 in.
Oil Pump Pressure TypeHigh Pressure
Bushing IncludedNo
Oil Pump TypeGear
Cover MaterialCast Iron
Shaft MaterialChromoly Steel
Gear MaterialBillet Steel
Pickup Tube Diameter0.75 in.
Gasket Or Seal IncludedNo
Cotter Pin IncludedNo
Gear TypeSpur Gear
Drive TypeDrive Shaft
Additional Cover Shaft SupportYes
Oil Pump Volume TypeHigh Volume
Part FitmentDirect Fit
Grade TypePerformance
Timing Cover IncludedNo
Additional Volume Over Stock Percentage0.25
Vendor Part Number10778
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations




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