Melling Performance 10055ST-700CT oil pump for the 1988-1999 Chevrolet C1500 V8 5.7L and other vehicles sends pressurized oil through the engine with billet steel Shark Tooth helical gears. This gear-type pump is standard volume and standard pressure, and it is CNC manufactured to exacting tolerances and surface finishes.
- 6061-T6 billet aluminum housing and cover with an anodized hard coat
- Chrome-moly steel drive shaft, extended into the cover for support
- Set to 70 PSI, with 60 PSI and 80 PSI relief springs included for other pressure settings
- Pickup screen built into the pump body, with stainless steel wire mesh
- Offset pickup for circle track racing applications with 7 inch deep oil pans
Quick facts
- Part: Melling Performance 10055ST-700CT oil pump
- Also called: engine oil pump
- Fits: 1988-1999 Chevrolet C1500 V8 5.7L and other vehicles
- Material: 6061-T6 billet aluminum housing
- Condition: New
A low oil pressure warning light or noise from the engine can mean an oil pump is worn or failing. A low oil level or worn bearings can show the same signs, so with the engine off, check the oil level and look for leaks before replacing the pump. A shop can test the pressure itself.
Fits
Listed for a wide range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile and Pontiac models, led by the 1988-1999 Chevrolet K1500 V8 5.7L and the 1995-2000 Chevrolet Tahoe V8 5.7L. The 1988-1999 Chevrolet C1500 V8 5.7L takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Manufactured for: GM SBC
- Oil pan: 7 in deep pans
- Pickup screen diameter: 42 mm (1.650 in)
- Mounting hole: 11 mm (0.450 in) diameter, 1 hole
- Height: 140 mm (5.5 in); width: 204 mm (8 in)
- Upgrade for pump number: M-55
Build and materials
- Type: gear, standard volume, standard pressure
- Drive type: drive shaft
- Manufactured pressure: 70 PSI (red); optional springs 60 PSI (pink) and 80 PSI (orange)
- Housing: 6061-T6 billet aluminum, anodized
- Cover: billet aluminum; gears: billet steel
- Shaft: chromoly steel
- Condition: New
- Country of origin: United States
In the box
One oil pump with pump cover, gears, drive shaft, a 12550 chrome moly intermediate shaft, guide, pickup screen, washers, and +10 PSI and -10 PSI relief springs. A gasket or seal, O-ring, bushing, bolts and hardware are not included, so plan on new bolts.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this the right oil pump for a 1995-2000 Chevy Tahoe V8 5.7L?
Yes, Melling Performance 10055ST-700CT is listed for the 1995-2000 Chevrolet Tahoe V8 5.7L; if your car is a different one, look it up in the "Vehicles it fits" section on this page.
Does this engine oil pump come with the intermediate shaft and extra springs?
Yes, the Melling Performance 10055ST-700CT includes a 12550 chrome moly intermediate shaft and +10 PSI and -10 PSI relief springs. Bolts, hardware and a gasket or seal are not included.
What pressure is this oil pump set to, and can it be changed?
This pump is set to 70 PSI (red). The included springs give 60 PSI (pink) and 80 PSI (orange) settings, and the bypass pressure is adjustable.
Will this oil pump work with a 7 inch deep oil pan?
Yes, the pickup screen is built into the pump body and offset for circle track racing with 7 inch deep pans, and the screen is stainless steel wire mesh 42 mm across.
What is this Melling Performance oil pump made of?
The housing is 6061-T6 billet aluminum with an anodized finish, the cover is billet aluminum, the gears are billet steel and the shaft is chromoly steel. It is made in the United States.
