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Vehicle Info NeededMELLINGPART NUMBER: 689-M99HVS
M-99HV-S Oil Pump Small Block Chevy
$10499
Ships on Oct 28, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
![Oil Pump for Small Block Chevy [High Volume]](https://www.jegs.com/images/mini_200/500/555/555-23502.jpg)
GM/Chevy Small Block
- Oil Pump
- Small Block Chevy
- High Volume/High Pressure
Melling 689-M-99HV-S Features:
Made in USA. Melling high volume oil pumps increase the amount of oil flow by an average of 20% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling high volume oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. High volume gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.
Stock and High-Volume Oil Pumps
Melling offers a variety of OE replacement and high-volume oil pumps to improve your engine's performance. All units are 100-percent pressure tested and hand-turned before shipping to ensure quality and durability.
Part TypeOil Pump
Product LineMelling OE-Style Oil Pumps & Pickups
BrandMELLING
Package Height4.42 in.
Package Width4.5 in.
Package Length5.9
Weight5.86 PG
Part CategoryReplacement Parts
Drive Shaft IncludedYes
Housing MaterialCast Iron
Mounting Hole Quantity2
Adjustable Bypass PressureNo
Bolts IncludedNo
Spacer IncludedNo
Alternate Pressure Springs IncludedNo
Inlet Size (In.)0.750
O-Ring IncludedNo
Washers IncludedNo
Mounting Hole Diameter0.25 in.
Oil Pump Pressure TypeStandard Pressure
Bushing IncludedNo
Oil Pump TypeGear
Cover MaterialCast Iron
Shaft MaterialSteel
Gear MaterialSteel
Pickup Tube Diameter0.750 in.
FinishRust Preventative
Gasket Or Seal IncludedNo
Cotter Pin IncludedNo
Gear TypeSpur Gear
Drive TypeDrive Shaft
Oil Pump Volume TypeHigh Volume
Part FitmentDirect Fit
Grade TypeImproved Design
Timing Cover IncludedNo
Additional Volume Over Stock Percentage25%
Vendor Part NumberM-99HV-S
Package Qty1
Package TypeEA
No Questions
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