Ryan Gary

Ryan Gary

With a solid foundation of 20 years in the mechanical industry and a Mechanical Engineering degree, Ryan Gary brings a deep understanding of automotive systems to Engine Oil Journal. Driven by a passion for vehicles and a commitment to providing accurate information, he created this platform to empower drivers to make informed decisions about engine oil care.

Nissan Refrigerant Capacity Chart(for All Models)

Nissan Refrigerant Capacity Chart

If you are servicing the air conditioning system of a Nissan vehicle, knowing the correct refrigerant capacity is critical. Adding too much or too little refrigerant can reduce cooling performance, increase system pressure, and even damage the compressor. This Nissan…

Hydraulic Oil Filter Cross Reference Chart(For All Brands)

Hydraulic Oil Filter Cross Reference Chart

Because original equipment manufacturer (OEM) filters are often expensive or unavailable, many operators and technicians rely on hydraulic oil filter cross reference charts to find compatible alternatives from trusted aftermarket brands. This guide explains how hydraulic filter cross referencing works…

Hydraulic Hose Size Chart(For All Dash Size)

Hydraulic Hose Size Chart

An improperly sized hose can cause excessive pressure drop, overheating, reduced flow, premature hose failure, or even catastrophic system damage. This guide provides a complete hydraulic hose size chart covering all common sizes, dash numbers, inside diameters, outside diameters, pressure…

Mobil Oil Filter Cross Reference(for All Brands)

Mobil Oil Filter Cross Reference

A cross-reference chart allows you to match a Mobil-1 filter to equivalent filters from other respected brands such as Fram, WIX, Purolator, Bosch, and K&N. Using a compatible alternative can save cost and ensure uninterrupted maintenance without compromising engine protection.…

AC Delco Oil Filter Cross Reference(For All Brands)

AC Delco Oil Filter Cross Reference

An AC Delco oil filter cross reference chart allows you to identify equivalent oil filters from other trusted brands that match the same specifications, including thread size, gasket diameter, height, bypass valve pressure, and filtration efficiency. This ensures compatibility without…