1988 GMC K3500 Oil Pumps

Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality

Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality

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 ass

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues

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 ass

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues

Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Manufactured to fit a specific application
• Ensures that oil is evenly distributed in the engine system
• Each oil pump is tested for pressure and flow under conditions designed to duplicate actual engine operating conditions before leaving plant
• Every pump is engineered, manufactured and assembled to the highest material and production standards
• Utilizes ISO & QS certified manufacturing
• High volume, check pan for clearance; 5/8″ inlet; use shaft w/steel guide

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 ass

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues

Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shafts for additional support at increased RPM’s, a screw in relief spring plug, CNC machined cover and housing that is manganese phosphate coated, standard volume and high volume patented billet Shark Tooth gears, and a chrome moly drive shaft with steel guide. Includes lower pressure spring and self locking socket head bolts with wrench for use with bolt on screen pumps. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions. Melling high performance Shark Tooth oil pumps are recommended for all applications where a high performance oil pump is needed.

Product Features:

• High pressure standard volume high performance upgrade of the M155
• CNC machined phosphate coated cast iron housing and cover
• Patented billet steel shark tooth helical gears
• Includes chrome moly steel intermediate drive shaft with steel guide
• Includes lower pressure spring; not installed
• Uses 3/4 inch diameter press-fit screen

Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Manufactured to fit a specific application
• Ensures that oil is evenly distributed in the engine system
• Each oil pump is tested for pressure and flow under conditions designed to duplicate actual engine operating conditions before leaving plant
• Every pump is engineered, manufactured and assembled to the highest material and production standards
• Utilizes ISO & QS certified manufacturing
• 5/8″ Inlet

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 p

Product Features:

• Standard volume high performance racing oil pump
• Lightweight anodized coated billet 6061-T6 aluminum housing and cover
• Patented high volume billet steel shark tooth helical gears create less oil pulsing at high RPM’s
• Includes high performance 12550 chrome moly steel intermediate drive shaft with pinned steel guide
• Adjustable relief valve has multiple pressure settings
• Includes additional replacement pressure springs to increase or decrease 10 Pounds
• Integrated adjustable oil pickup screen is designed for 7 inch oil pans
• Includes oil pump mounting stud kit
• For circle track racing applications

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 p

Product Features:

• 25% Higher volume high performance racing oil pump
• Lightweight anodized coated billet 6061-T6 aluminum housing and cover
• Patented high volume billet steel shark tooth helical gears create less oil pulsing at high RPM’s
• Includes high performance 12550 chrome moly steel intermediate drive shaft with pinned steel guide
• Adjustable relief valve has multiple pressure settings
• Includes additional replacement pressure springs to increase or decrease 10 Pounds
• Integrated adjustable oil pickup screen is designed for 7 inch oil pans
• Includes oil pump mounting stud kit
• For circle track racing applications

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.

Product Features:

• 25% Higher volume high performance racing oil pump
• Lightweight anodized coated billet 6061-T6 aluminum housing and cover
• Patented high volume billet steel shark tooth helical gears create less oil pulsing at high RPM’s
• Includes high performance 12550 chrome moly steel intermediate drive shaft with pinned steel guide
• Adjustable relief valve has multiple pressure settings
• Includes additional replacement pressure springs to increase or decrease 10 Pounds
• Integrated adjustable oil pickup screen is designed for 8.25 inch oil pans
• Includes oil pump mounting stud kit
• For street and strip applications

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 p

Product Features:

• Standard volume high performance racing oil pump
• Lightweight anodized coated billet 6061-T6 aluminum housing and cover
• Patented high volume billet steel shark tooth helical gears create less oil pulsing at high RPM’s
• Includes high performance 12550 chrome moly steel intermediate drive shaft with pinned steel guide
• Adjustable relief valve has multiple pressure settings
• Includes additional replacement pressure springs to increase or decrease 10 Pounds
• Integrated adjustable oil pickup screen is designed for 7.5 inch oil pans
• Includes oil pump mounting stud kit
• For street and strip applications

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 p

Product Features:

• 25% Higher volume high performance racing oil pump
• Lightweight anodized coated billet 6061-T6 aluminum housing and cover
• Patented high volume billet steel shark tooth helical gears create less oil pulsing at high RPM’s
• Includes high performance 12550 chrome moly steel intermediate drive shaft with pinned steel guide
• Adjustable relief valve has multiple pressure settings
• Includes additional replacement pressure springs to increase or decrease 10 Pounds
• Integrated adjustable oil pickup screen is designed for 7.5 inch oil pans
• Includes oil pump mounting stud kit
• For street and strip applications

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 p

Product Features:

• Standard volume high performance racing oil pump
• Lightweight anodized coated billet 6061-T6 aluminum housing and cover
• Patented high volume billet steel shark tooth helical gears create less oil pulsing at high RPM’s
• Includes high performance 12550 chrome moly steel intermediate drive shaft with pinned steel guide
• Adjustable relief valve has multiple pressure settings
• Includes additional replacement pressure springs to increase or decrease 10 Pounds
• Integrated adjustable oil pickup screen is designed for 8.25 inch oil pans
• Includes oil pump mounting stud kit
• For street and strip applications

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• 25% Higher volume high performance upgrade of the 10550
• CNC machined phosphate coated cast iron housing and cover
• Cover has extended idler shafts for additional support at high RPM’s
• Patented billet steel shark tooth helical gears
• Adjustable pressure relief valve
• Includes Chrome Moly Steel Intermediate Drive Shaft With Steel Guide
• Includes Lower Pressure Spring; Not Installed
• Includes Self Locking Mounting Bolts And Wrench
• Uses 3/4 Inch Diameter Press-Fit Screen or Bolt On Screen
• Includes Oil Pump Screen Mounting Gasket

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• 10% Higher volume high performance upgrade over stock replacement
• CNC machined phosphate coated cast iron housing and cover
• Cover has extended idler shafts for additional support at high RPM’s
• Patented billet steel shark tooth helical gears
• Adjustable pressure relief valve
• Includes Chrome Moly Steel Intermediate Drive Shaft With Steel Guide
• Includes Lower Pressure Spring; Not Installed
• Includes Self Locking Mounting Bolts And Wrench
• Uses 3/4 inch diameter press-fit screen or bolt on screen
• Includes Oil Pump Screen Mounting Gasket

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• 25% Higher volume anti-cavitation high performance upgrade of the 10770
• CNC machined phosphate coated cast iron housing and cover
• Cover has extended idler shafts for additional support at high RPM’s
• Standard billet steel spur gears
• Manufactured with anti-cavitation grooves to prevent cavitation at low RPM’s
• Adjustable pressure relief valve
• Includes lower pressure spring; not installed
• Includes chrome moly steel intermediate drive shaft with steel guide
• Uses 3/4 inch diameter press-fit screen
• For racing applications only
• Warning: Using this pump will reduce oil pressure at idle

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• 25% Higher volume anti-cavitation high performance upgrade of the M-99HVS
• CNC machined phosphate coated cast iron housing and cover
• Cover has extended idler shafts for additional support at high RPM’s
• Standard billet steel spur gears
• Manufactured with anti-cavitation grooves to prevent cavitation at low RPM’s
• Adjustable pressure relief valve
• Includes lower pressure spring; not installed
• Includes chrome moly steel intermediate drive shaft with steel guide
• Uses 3/4 inch diameter press-fit screen
• For racing applications only
• Warning: Using this pump will reduce oil pressure at idle

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the 10770. Increase in volume of 25% over stock oil pump. The drive shaft has been man

Product Features:

• 25% Higher volume anti-cavitation high performance upgrade of the 10770
• CNC machined phosphate coated cast iron housing and cover
• Cover has extended idler shafts for additional support at high RPM’s
• Standard billet steel spur gears
• Adjustable pressure relief valve
• Includes lower pressure spring; not installed
• Includes chrome moly steel intermediate drive shaft with steel guide
• Uses 3/4 inch diameter press-fit screen

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-99HV-S. The 10990 is a big block style oil pump made to fit the small block appl

Product Features:

• 25% Higher volume anti-cavitation high performance upgrade of the M-99HVS
• CNC machined phosphate coated cast iron housing and cover
• Cover has extended idler shafts for additional support at high RPM’s
• Standard billet steel spur gears
• Adjustable pressure relief valve
• Includes lower pressure spring; not installed
• Includes chrome moly steel intermediate drive shaft with steel guide
• Uses 3/4 inch diameter press-fit screen

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. Standard volume performance upgrade for M-77. The housing and cover are CNC machined and phosphate coated. The lower press

Product Features:

• Standard volume high performance upgrade of the M-77
• CNC machined phosphate coated cast iron housing and cover
• Standard billet steel spur gears
• Includes chrome moly steel intermediate drive shaft with pinned steel guide
• Includes lower pressure spring; not installed
• Uses 3/4 inch diameter press fit screen

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• 25% Higher volume high performance upgrade of the M155HV
• CNC machined phosphate coated cast iron housing and cover
• Patented billet steel shark tooth helical gears
• Includes chrome moly steel intermediate drive shaft with pinned steel guide
• Includes lower pressure spring; not installed
• Uses 3/4 inch diameter press-fit screen

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• High pressure standard volume high performance upgrade of the M-55 & M-55A
• CNC machined phosphate coated cast iron housing and cover
• Patented billet steel shark tooth helical gears
• Includes chrome moly steel intermediate drive shaft with steel guide
• Includes lower pressure spring; not installed
• Uses 5/8 inch diameter press-fit screen

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:

• 25% Higher volume high performance upgrade of the M-55HV
• CNC machined phosphate coated cast iron housing and cover
• Patented billet steel shark tooth helical gears
• Includes chrome moly steel intermediate drive shaft with pinned steel guide
• Includes lower pressure spring; not installed
• Uses 5/8 inch diameter press-fit screen

Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-77HV. 25% Increase in volume over stock pump. The housing and cover are CNC machined and phosphate coated. The lower pressure spring is included to reduce pressure if desired. Built with billet steel gears. Includes Intermediate shaft with steel guide. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

Product Features:

• 25% Higher Volume High Performance upgrade of the M-77HV
• CNC machined phosphate coated cast iron housing and cover
• Standard billet steel spur gears
• Includes chrome moly steel intermediate drive shaft with steel guide
• includes lower pressure spring; not installed
• uses 3/4 inch diameter press-fit screen