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Vehicle Info NeededMELLINGPART NUMBER: 689-10540
10540 Select Oil Pump Buick/Oldsmobile/Pontiac with Pontiac 301-455
$15999
Ships on Sep 04, 2026
Lowest Price GuaranteeGM Oil Pumps
- Select Oil Pump
- Buick/Oldsmobile/Pontiac with Pontiac 301-455
- Standard Volume
Melling 689-10540 Features:
Keep Your Engine Well Lubricated
Built using the latest gear and gerotor technology methods, Melling Select Oil Pumps offer a significant performance upgrade from the factory original equipment replacement units. With the wide variety of specifications and optional features, you will find the correct oil pump for your performance engine build or "Select" application!
Part TypeOil Pump
Product LineMelling Select High-Performance Oil Pumps & Pickups
BrandMELLING
Package Height6.5 in.
Package Width3.69 in.
Package Length8.6
Weight5.7 PG
Part CategoryReplacement Parts
Hardware IncludedNo
Drive Shaft IncludedNo
Housing FinishPhosphate Coating
Housing MaterialCast Iron
Mounting Hole Quantity2
Bolts IncludedNo
Spacer IncludedNo
Alternate Pressure Springs IncludedNo
Anti-CavitationNo
Inlet Size (In.)0.75
O-Ring IncludedNo
Washers IncludedNo
Mounting Hole Diameter0.37 in.
Oil Pump Pressure TypeStandard Pressure
Bushing IncludedNo
Oil Pump TypeGear
Cover MaterialCast Iron
Shaft MaterialNot Applicable
Gear MaterialBillet Steel
Pickup Tube Diameter0.75 in.
Gasket Or Seal IncludedYes
Cotter Pin IncludedNo
Gear TypeSpur Gear
Drive TypeDrive Shaft
Additional Cover Shaft SupportNo
Oil Pump Volume TypeStandard Volume
Part FitmentDirect Fit
Grade TypePerformance
Timing Cover IncludedNo
Vendor Part Number10540
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
