CAT 1R-1807 Engine Oil Filter - Pack of 1, High-Efficiency OEM Fit, Durable Construction

The CAT 1R1807 is an authentic high-efficiency engine oil filter engineered to protect your Caterpillar engine by removing contaminants while maintaining oil flow.

If you operate heavy equipment or diesel-powered machinery, using the specified OEM filter helps preserve engine performance and longevity. This listing is for a single genuine Caterpillar 1R-1807 oil filter—manufactured to the brand's specifications for fitment, filtration efficiency, and durability. Always verify compatibility with your machine's owner manual or parts guide before ordering.

How does this filter fit my machine?

The 1R-1807 is designed to match Caterpillar mounting and thread dimensions for engines that call for this specific part number. Proper fit ensures correct sealing and uninterrupted oil flow, reducing the risk of leaks or bypass. If your parts list includes 1R-1807, this genuine CAT unit installs directly without modification.

• Thread size: 1.125 - 16 UNF for correct mounting
• Height: 262 mm to meet clearance requirements
• Diameter: 108 mm for factory housing compatibility
• OEM part number ensures direct replacement

What protection and performance can I expect?

As a factory-authorized filter, the 1R-1807 balances efficient contaminant capture with sustained oil flow, helping engines run cleaner under heavy-duty conditions. It is built to trap wear particles, soot, and debris while resisting collapse under pressure. Using the correct filter supports maintenance intervals recommended by Caterpillar.

• High-efficiency media for fine particle retention
• Durable construction to withstand engine pressures
• Consistent flow characteristics for optimal lubrication
• Designed to meet or exceed OEM filtration standards

How do I install and replace the 1R-1807?

Installation follows standard spin-on filter procedures: drain if needed, remove the old filter, clean the mounting surface, and hand-tighten the new filter according to torque or turn specifications. Inspect the gasket and lubricate it lightly with clean oil for a reliable seal. Replace at intervals recommended in your equipment maintenance schedule or when oil analyses indicate.

• Remove old filter and clean mounting face
• Apply thin oil film to new gasket for secure sealing
• Hand-tighten; follow manufacturer torque guidance if given
• Check for leaks after first startup

Why choose a genuine Caterpillar filter instead of alternatives?

Original CAT filters are produced to match the engine maker's specification sheet for media, sizing, and housing strength—ensuring predictable performance and compatibility. Aftermarket options vary in materials and quality; selecting the OEM part reduces uncertainty and preserves warranty and service expectations. For critical applications, authentic parts minimize downtime risks.

• Exact dimensional match to Caterpillar designs
• Consistent filtration and mechanical integrity
• Supports warranty and service documentation practices
• Reduced risk of premature failure or oil bypass

Who is this for: The CAT 1R1807 oil filter is intended for equipment owners, fleet managers, and technicians who operate Caterpillar diesel engines that specify part 1R-1807. It’s well suited for heavy construction, mining, agricultural, and industrial machines where genuine OEM parts are preferred for reliability and predictable maintenance outcomes. If you need a single replacement filter matching factory specifications, this Pack of 1 delivers the correct size, thread, and filtration design for direct installation.