Melling 10055ST-825SS | Engine Oil Pump

Part Number
10055ST-825SS
High Performance Oil Pump

Fits: Buick Century, Buick LeSabre, Buick Regal, Buick Skylark, Cadillac Brougham, Cadillac Commercial Chassis, Cadillac Eldorado, Cadillac Escalade, Cadillac Fleetwood, Cadillac Seville, Chevrolet 3B, Chevrolet 3C, Chevrolet 3D, Chevrolet 3E, Chevrolet 3F, Chevrolet 3G, Chevrolet Bel Air, Chevrolet Biscayne, Chevrolet Blazer, Chevrolet Brookwood, Chevrolet C10, Chevrolet C10 Pickup, Chevrolet C10 Suburban, Chevrolet C15, Chevrolet C1500, Chevrolet C1500 Suburban, Chevrolet C20, Chevrolet C20 Pickup, Chevrolet C20 Suburban, Chevrolet C2500, Chevrolet C2500 Suburban, Chevrolet C30, Chevrolet C30 Pickup, Chevrolet C35, Chevrolet C3500, Chevrolet C3500HD, Chevrolet C40, Chevrolet Camaro, Chevrolet Caprice, Chevrolet Cargo Van, Chevrolet Chevelle, Chevrolet Chevy II, Chevrolet Commercial Chassis, Chevrolet Corvette, Chevrolet Del Ray, Chevrolet El Camino, Chevrolet Estate, Chevrolet Express 1500

Special Price $452.19 Regular Price $475.99
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Melling high performance billet aluminum oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling billet aluminum oil pump series features a lightweight 6061-T6 aluminum housing and cover, a protective anodized hard coat, standard volume and high volume patented billet Shark Tooth gears, chrome moly steel drive shaft with extra shaft support, adjustable integrated oil pump screen, multiple pressure settings, CNC machining to exact tolerances and surface finishes, and supercharged inlet for improved performance. Includes additional pressure springs and stud kit. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions. Melling high performance oil pumps are available for increased oil flow, increased oil pressure, anti-cavitation capability and overall higher performance when needed. The Melling High Performance Billet Aluminum series oil pumps are recommended for street, strip and racing applications.


BRAND: Melling Select Performance




FEATURES:


  • High Performance Oil Pump
  • BUIC, CADL, CHEV, GMC, OLDS, PONT - 262, 267, 283, 302, 305, 307, 327, 350, 400 (1957-2002)
  • High Performance Oil Pump
  • Oil Pump
  • High Performance Oil Pump, Racing Oil Pump, Replacement Oil Pump
  • Engine Oil Pump


SPECIFICS:


Additional Cover Shaft SupportYes
Adjustable Bypass PressureYes
Alternate Pressure Springs IncludedYes
Anti-CavitationNo
Drive Shaft IncludedYes
Drive TypeDrive Shaft
Gasket Or Seal IncludedNo
Gear MaterialBillet Steel
Gear TypeShark Tooth Helical Gear
Grade TypePerformance
Height139.0
Height5.50
Housing FinishAnodized Hardcoat
Housing MaterialBillet Aluminum
Mounting Hole Diameter11.45
Mounting Hole Diameter0.450
Mounting Hole Quantity1
Oil Pump Pressure TypeStandard Pressure
Oil Pump TypeGear
Oil Pump Volume TypeStandard Volume
Pickup Screen Diameter1.650
Pickup Screen Diameter41.90
TitleHigh Performance Oil Pump
Width7.25
Width184.0

Oil Pan Depth 8.25 Inches Standard Volume High Performance Oil Pump Lightweight Billet 6061-T6 Aluminum Housing and Cover Patented High Volume Billet Steel Shark Tooth Helical gears Includes 12550 Chrome Moly Steel Intermediate Drive Shaft With Steel Guide Multiple Pressure Settings Relief Valve Includes Additional Replacement Pressure Springs To Increase 10 Pounds Or Decrease 10 Pounds Integrated Oil Pickup Screen Is Designed for 8 - 1/4 Inch Oil Pans Designed For Street And Strip Applications


DOWNLOADS:





INTERCHANGE:


  • Melling Select Performance: 10055ST-825SS

APPLICATIONS:


  • 1989-1991 Chevrolet R1500 Suburban
  • 1958-1958 Chevrolet Yeoman
  • 1967-1967 GMC G15/G1500 Van
  • 1988-2000 Chevrolet K3500
  • 1978-1987 GMC Caballero
  • 1988-2000 GMC K2500
  • 1992-1999 Chevrolet C1500 Suburban
  • 1960-1965 GMC Suburban
  • 1967-1986 Chevrolet K10 Suburban
  • 1984-1997 Chevrolet Corvette
  • 1960-1974 Chevrolet C20 Pickup
  • 1959-1959 Chevrolet 3G
  • 1960-1966 GMC 3500
  • 1959-1959 Chevrolet 3F
  • 1967-1986 Chevrolet C10 Suburban
  • 1969-1972 Chevrolet Townsman
  • 1979-1986 GMC C3500
  • 1974-1974 Chevrolet G30 Van
  • 1957-1958 Chevrolet Truck
  • 1987-1988 Chevrolet R30
  • 1989-1991 Chevrolet R3500
  • 1979-1986 GMC K2500 Suburban
  • 1975-1978 GMC C35
  • 1977-1979 Buick Skylark
  • 1975-1986 Chevrolet K10
  • 1975-1975 Chevrolet P10
  • 1987-1987 GMC R1500
  • 1961-1962 Chevrolet P30 Series
  • 1960-1962 Chevrolet C40
  • 1996-2002 Chevrolet Express 1500
  • 1967-1974 GMC C15/C1500 Pickup
  • 2002-2002 Chevrolet P30
  • 1988-2000 GMC C3500
  • 1970-1991 GMC Jimmy
  • 1967-1974 GMC K25/K2500 Suburban
  • 1960-1963 GMC 1500 Series
  • 1975-1996 Chevrolet G30
  • 1975-1978 GMC K25 Suburban
  • 1978-1981 Buick Century
  • 1959-1961 Chevrolet Parkwood
  • 1964-1967 Chevrolet Malibu
  • 1961-1962 Chevrolet P10 Series
  • 1996-2002 Chevrolet Express 2500
  • 1978-1979 Pontiac Sunbird
  • 1979-1999 GMC P3500
  • 1967-1974 GMC C15/C1500 Suburban
  • 1967-1974 GMC K25/K2500 Pickup
  • 1977-1978 GMC K35
  • 1960-1974 Chevrolet K20 Pickup
  • 1967-1974 GMC K15/K1500 Pickup
  • 1975-1978 GMC C15
  • 1979-1986 GMC C2500 Suburban
  • 1964-1987 Chevrolet El Camino
  • 1977-1986 Chevrolet K30
  • 1961-1962 Chevrolet P20 Series
  • 1989-1991 Chevrolet V1500 Suburban
  • 1957-1958 Chevrolet Sedan Delivery
  • 1989-1989 Chevrolet R2500
  • 1969-1972 Chevrolet Kingswood
  • 1992-1999 GMC C1500 Suburban
  • 1968-1974 Chevrolet K30 Pickup
  • 1957-1957 Chevrolet Two-Ten Series
  • 1979-1986 GMC K1500 Suburban
  • 1960-1960 GMC Truck
  • 1988-2000 GMC K3500
  • 1974-1974 GMC G25/G2500 Van
  • 1983-1987 Pontiac Grand Prix
  • 1975-1978 GMC G25
  • 1978-1978 Buick LeSabre
  • 1977-1978 Chevrolet P10
  • 1957-1961 Chevrolet Nomad
  • 1982-1987 Buick Regal
  • 1977-1981 Pontiac Laurentian
  • 1979-1995 GMC G2500
  • 1977-1979 Pontiac Phoenix
  • 1977-1979 Oldsmobile Starfire
  • 1969-1972 Chevrolet Brookwood
  • 1991-1995 GMC C3500HD
  • 1970-1988 Chevrolet Monte Carlo
  • 1975-1978 GMC C25
  • 1979-1996 GMC G3500
  • 1990-1992 Cadillac Brougham
  • 1994-1996 Chevrolet Impala
  • 1992-1999 Chevrolet K1500 Suburban
  • 1988-1999 GMC K1500
  • 1967-1967 Chevrolet K20 Panel
  • 1987-1991 GMC R3500
  • 1967-1997 Chevrolet Camaro
  • 1957-1958 Chevrolet Del Ray
  • 1982-1982 Oldsmobile Cutlass Cruiser
  • 1967-1986 Chevrolet K20 Suburban
  • 1979-1986 GMC C1500 Suburban
  • 1996-2002 GMC Savana 1500
  • 1974-1974 Chevrolet P30 Van
  • 1979-1995 GMC G1500
  • 1982-1985 Chevrolet C15
  • 1991-1994 Chevrolet Commercial Chassis
  • 1978-1980 Oldsmobile Cutlass Supreme
  • 1975-1993 Chevrolet G10
  • 1975-1978 GMC K15
  • 1959-1960 Chevrolet El Camino
  • 1977-1981 Pontiac LeMans
  • 1960-1974 Chevrolet C30 Pickup
  • 1975-1986 Chevrolet K20
  • 1957-1957 Chevrolet One-Fifty Series
  • 1975-1989 Chevrolet P20
  • 1987-1988 Chevrolet R10 Suburban
  • 1960-1966 GMC 3000
  • 1995-2000 Chevrolet Suburban 1500
  • 1971-1977 GMC Sprint
  • 1975-1987 Chevrolet C20
  • 1977-1986 Pontiac Parisienne
  • 1959-1961 Chevrolet Kingswood
  • 1967-1974 GMC C35/C3500 Pickup
  • 1987-1991 GMC R2500 Suburban
  • 1974-1974 GMC G15/G1500 Van
  • 1992-1999 GMC K1500 Suburban
  • 1978-1980 Oldsmobile Cutlass
  • 1968-1974 GMC K35/K3500 Pickup
  • 1967-1974 GMC K15/K1500 Suburban
  • 1979-1986 GMC K2500
  • 1960-1966 Chevrolet Suburban
  • 1957-1982 Chevrolet Corvette
  • 1987-1987 Chevrolet V20
  • 1999-2000 Chevrolet L30
  • 1988-1999 Chevrolet C1500
  • 1975-1978 GMC P35
  • 1987-1987 GMC V1500
  • 1960-1960 Chevrolet Truck
  • 1987-1988 Chevrolet R20 Suburban
  • 1967-1974 GMC C25/C2500 Suburban
  • 1987-1987 Chevrolet V10
  • 1987-1991 GMC R1500 Suburban
  • 1987-1991 GMC V1500 Suburban
  • 1973-1976 Chevrolet Laguna
  • 1975-1978 GMC P25
  • 1992-1999 GMC C2500 Suburban
  • 1959-1959 Chevrolet 3E
  • 1975-1995 Chevrolet G20
  • 1979-1986 GMC C1500
  • 1987-1987 Chevrolet R10
  • 1975-1978 GMC K15 Suburban
  • 1958-1985 Chevrolet Impala
  • 1960-1963 GMC 1000 Series
  • 1987-1994 Chevrolet Blazer
  • 1960-1974 Chevrolet K10 Pickup
  • 1967-1974 Chevrolet G20 Van
  • 1989-1991 Chevrolet R2500 Suburban
  • 1975-1986 Chevrolet K5 Blazer
  • 2000-2000 Chevrolet Sonora
  • 1978-1980 Pontiac Grand Am
  • 1967-1974 GMC C25/C2500 Pickup
  • 1974-1974 Chevrolet G10 Van
  • 1987-1987 GMC V2500
  • 1975-1978 GMC G15
  • 1975-1978 GMC C15 Suburban
  • 1996-2002 GMC Savana 2500
  • 1997-2000 Chevrolet Cargo Van
  • 1988-1999 GMC C1500
  • 1996-2002 Chevrolet Express 3500
  • 1977-1980 Buick Regal
  • 1975-1986 Chevrolet C10
  • 1963-1968 Chevrolet Chevy II
  • 1959-1959 Chevrolet 3C
  • 1966-1996 Chevrolet Caprice
  • 1990-1994 Chevrolet Suburban
  • 1979-1986 GMC C2500
  • 1988-2000 Chevrolet C3500
  • 1992-2000 GMC Yukon
  • 1959-1961 Chevrolet Brookwood
  • 1987-1988 Chevrolet V10 Suburban
  • 1992-1999 GMC K2500 Suburban
  • 1987-1988 Chevrolet R20
  • 1989-1991 Chevrolet V3500
  • 1969-1970 Chevrolet Estate
  • 1992-1999 Chevrolet K2500 Suburban
  • 1987-1991 GMC V2500 Suburban
  • 1975-1978 GMC K25
  • 1979-1980 Cadillac Eldorado
  • 1979-1986 GMC K1500
  • 1983-1986 Pontiac Bonneville
  • 1975-1979 Chevrolet Monza
  • 1989-1991 Chevrolet V2500 Suburban
  • 1987-1987 Chevrolet Suburban
  • 1988-2000 Chevrolet C2500
  • 1988-1999 Chevrolet K1500
  • 1995-2000 Chevrolet Tahoe
  • 1975-1986 Chevrolet C30
  • 1987-1991 GMC V3500
  • 1983-2000 Chevrolet C35
  • 1977-1987 Pontiac Firebird
  • 1980-1980 Oldsmobile Cutlass Cruiser
  • 1999-2000 Cadillac Escalade
  • 1996-2002 GMC Savana 3500
  • 1964-1973 Chevrolet Chevelle
  • 1975-1978 GMC C25 Suburban
  • 1969-1979 Chevrolet Nova
  • 1977-1977 Pontiac Ventura
  • 1975-1978 GMC G35
  • 1995-1999 Chevrolet Silverado
  • 1959-1959 Chevrolet 3B
  • 1976-1980 Cadillac Seville
  • 1992-1996 Cadillac Commercial Chassis
  • 1979-1986 GMC K3500
  • 1958-1972 Chevrolet Biscayne
  • 1960-1974 Chevrolet C10 Pickup
  • 1970-1974 GMC G35/G3500 Van
  • 1959-1959 Chevrolet 3D
  • 1988-2000 Chevrolet K2500
  • 1987-1988 Chevrolet V30
  • 1975-1999 Chevrolet P30
  • 1978-1980 Oldsmobile Cutlass Calais
  • 1979-1989 GMC P2500
  • 1978-1980 Oldsmobile Cutlass Salon
  • 1987-1989 GMC R2500
  • 1987-1988 Chevrolet V20 Suburban
  • 1980-1981 Pontiac Catalina
  • 1969-1974 Chevrolet Blazer
  • 1973-1983 Chevrolet Malibu
  • 1967-1967 GMC G25/G2500 Van
  • 1978-1980 Pontiac Grand Prix
  • 1991-1995 Chevrolet C3500HD
  • 1967-1986 Chevrolet C20 Suburban
  • 1977-1983 Pontiac Grand LeMans
  • 1957-1975 Chevrolet Bel Air
  • 1993-1996 Cadillac Fleetwood
  • 1992-1999 Chevrolet C2500 Suburban
  • 1988-2000 GMC C2500
  • 1960-1963 GMC 2500 Series
  • 1977-1979 Oldsmobile Omega
  • 1974-1974 Chevrolet P20 Van
Customer Questions
Will an engine flush clean my pistons?
No, an engine flush is unlikely to clean the pistons.
How to replace engine pistons?
Replacing engine pistons involves removing the engine from the vehicle, disassembling it, removing the pistons, inspecting the engine components, installing the new pistons, reassembling the engine, and testing it. It's a complex process that should only be attempted by experienced mechanics.
When do engine pistons rings go bad?
Engine piston rings can go bad due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust. Regular maintenance and inspection can help identify potential issues.
Why do engine piston rings fail?
Engine piston rings can fail due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Regular maintenance and inspection of the engine can help identify potential issues. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust.
Can you replace engine pistons rings without removing the engine?
Replacing engine piston rings without removing the engine is possible but not recommended due to the extensive disassembly required and the risk of damaging other engine components. A full rebuild or overhaul is generally more efficient and effective.
What is better Mellling vs. GM oil pump?
Both Melling and GM oil pumps are reputable brands and offer quality products. The better choice between the two depends on factors such as the specific application, compatibility, and personal preference.
Are oil pump gears necessary?
Yes, oil pump gears are essential for maintaining proper engine lubrication in an internal combustion engine.
How do oil pumps work?
Oil pumps work by creating pressure to circulate engine oil throughout an internal combustion engine.
Where is the oil pump located?
The oil pump is typically located inside the engine's lower oil pan or sump.
Why do oil pump failures happen?
Oil pump failures can arise from wear, contamination, poor maintenance, and manufacturing defects, causing inadequate lubrication and potential engine damage.
Please, mind that only logged in users can submit questions

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