FMBP 55070 Engine Oil Pressure Relief Valve Spring

Engine Oil Pressure Relief Valve Spring

This Melling engine oil pressure relief valve spring is a performance replacement for oil pump applications that need the original manufactured pressure restored or adjusted. Part number 55070 is built from steel and manufactured to exacting tolerances for consistent pressure control.

Key Features

• Steel construction for dependable spring performance
• Performance grade replacement for oil pump pressure control
• Push-type spring design
• Rated spring force of 70.0
• Made to match the pressure specification used in Melling oil pumps

Detailed Description

Part number 55070 is an engine oil pressure relief valve spring used with Melling oil pumps when the original manufactured pressure is being changed or restored. Melling states that these replacement springs are the same high quality springs used in its manufactured oil pumps, with machining and tolerances controlled to help maintain the advertised pressure setting. This makes 55070 a practical choice for performance oil pump service on Chevrolet and GMC applications, including Chevrolet Camaro, Chevrolet Corvette, and GMC Jimmy fitments listed below.

The Performance product line focuses on replacement components for oil system service where pressure control matters. If you are servicing a Chevrolet Blazer, GMC Sierra 1500, or other listed application, this spring is intended for use with the specified Melling oil pumps noted in the fitment data.

What It Is Used For

• Correcting oil pressure that is too low or too high after pump service
• Replacing a worn or weakened relief valve spring
• Restoring the specified oil pump pressure setting
• Supporting performance oil pump calibration
• Addressing inconsistent oil pressure control in the pump assembly

Installation Notes and Tips

Verify oil pump part number and application notes before installation. Fitment for 55070 is tied to specific Melling oil pumps, including 10550ST, 10551ST, 10553ST, and 10554ST. Confirm the pump model and pressure requirement before assembly, and inspect the relief valve components for wear or contamination during service. Part number 55070 is listed across a wide range of Chevrolet and GMC vehicles, so application verification is important before purchase.

Quality Assurance

Melling manufactures this spring to exacting tolerances so the pressure setting remains consistent with the advertised specification. Part number 55070 reflects the same spring quality used in Melling oil pumps, supporting accurate oil pressure control in service applications.