VIKKSAER Fuel Filter Base 4770/24770 — CAT 1R-0749/1R-0750 Replacement, 1/2" NPT & 1"-14 TPI

The VIKKSAER 4770/24770 fuel filter base is a heavy-duty remote mounting head designed to replace CAT 1R-0749 and 1R-0750 filter bases for reliable diesel filtration installation.

This replacement fuel filter base (part numbers 24770 / 4770) is engineered to accept common diesel filter cartridges used in heavy equipment and trucks. It offers standard thread interfaces for straightforward swap-in of compatible water-separator and fuel filter elements, and is constructed from high-strength materials to resist heat and vibration in engine compartments.

How does this base fit my existing CAT or aftermarket filter?

The base uses a 1"-14 TPI mounting thread to match the CAT style filters and accepts 1/2" NPT inlet and outlet ports for plumbing. It is sized and threaded to be a direct replacement for CAT 1R-0749 and 1R-0750 applications and aligns with several aftermarket water-separator cartridges.

• Mount thread: 1"-14 TPI for cartridge compatibility.
• Ports: 1/2" NPT inlet and outlet for common fuel lines.
• Compatible replacements: Napa 3405/3528/3352 and WIX 33405/33528/33352 cartridge families.

What materials and durability features does this fuel filter base offer?

Constructed from a high-strength alloy, the VIKKSAER base resists deformation from heat and vibration typical in engine bays. The unit is designed to handle diesel application environments and includes a one-year quality warranty for manufacturing defects.

• High-strength construction for long service life.
• Rated for elevated operating temperatures and vibration exposure.
• Includes screw hardware for secure mounting.

Which filter micron ratings and cartridge families can I use with this head?

This base is compatible with a range of micron-rated water-separator cartridges, including common 2, 6, and 14 micron elements used in diesel systems. Verify cartridge part numbers and thread type before ordering to ensure correct sealing and filtration performance.

• Accepts cartridges in 2, 6, and 14 micron ranges.
• Direct replacement fit for Napa and WIX water separators listed.
• Confirm part number match (1R-0749 / 1R-0750 equivalents) prior to installation.

How simple is the installation and what’s included in the package?

Installation is straightforward for technicians familiar with remote-mounted diesel filters: mount the base, plumb the 1/2" NPT inlet/outlet, and screw on the compatible cartridge. The package ships with the base and two mounting screws, so you’ll only need the correct replacement cartridge and standard tools to complete the job.

• Package contents: fuel filter base x1, screws x2.
• Required tools: standard wrenches and thread sealant for NPT ports.
• Installation: mount, connect 1/2" NPT lines, and attach cartridge.

Who is this for: The VIKKSAER 4770/24770 fuel filter base is intended for mechanics, fleet managers, and equipment owners seeking a cost-effective, durable replacement head for CAT-style diesel filter cartridges and popular aftermarket water-separators. It’s a practical choice when you need a reliable remote mounting solution that matches CAT 1R-0749 / 1R-0750 dimensions and works with widely available Napa and WIX elements. Always confirm part numbers and thread types against your equipment before purchase.