Wix 33528 Fuel Filter - Secondary

WIX 33528 HD Fuel Filter Overview

The WIX 33528 is a spin-on fuel filter built for heavy-duty fuel systems that demand consistent filtration and dependable sealing. It uses enhanced cellulose media with a 2.00 micron rating to help capture fine contaminants in medium and heavy truck, farm, construction, mining, and other equipment applications.

Compatible With heavy-duty diesel fuel filter applications where a 1-14 thread, closed top, and 7.007-inch height are required, including select Caterpillar, Fleetguard, and NAPA Gold cross-reference applications. Fits 2006-2011 Honda Civic, front right is not applicable here; this part is for HD fuel delivery systems only.

Key Features

• Spin-on fuel filter design for service-friendly replacement
• Enhanced cellulose media for fine particle capture
• 2.00 micron filtration rating for high-efficiency fuel cleaning
• 12-15 GPM flow rate for heavy-duty fuel delivery demands
• Corrosion-resistant can, center tube, and end caps
• Closed inner diameter top with 1-14 thread size
• Bypass relief valve setting: none

Detailed Product Description

WIX 33528 is engineered for HD fuel filtration where clean fuel flow is critical to injector protection and system reliability. The filter’s high-strength housing and superior sealing components are built to resist leaks and maintain performance under demanding operating conditions. With application-specific media and OEM-recommended change intervals, this fuel filter supports routine maintenance on trucks and off-road equipment that operate in harsh environments.

This part cross-references Caterpillar (e.g., 1R0750) and Fleetguard (e.g., FF5320) for the same application. Search terms such as WIX 33528 fuel filter, heavy duty spin-on fuel filter, and 1-14 thread diesel fuel filter are commonly used by buyers sourcing replacement filtration for commercial equipment.

Common Issues This Filter Helps Address

• Fuel contamination from dirt, rust, and other fine debris
• Restricted fuel flow caused by a loaded or aging filter
• Poor engine performance related to inadequate fuel filtration
• Leak concerns from worn sealing surfaces or low-quality filter construction
• Premature wear in fuel system components exposed to contaminated fuel

Installation Notes and Tips

Verify the filter’s 1-14 thread size, 7.007-inch height, and closed-top configuration before installation. Replace the filter at the OEM-recommended service interval, prime the fuel system if required by the application, and inspect the sealing surfaces for cleanliness before spinning the filter into place.

For fitment research, confirm the exact heavy-duty equipment application by part number and service specifications. WIX 33528 is commonly searched alongside HD fuel filter replacement terms for Caterpillar, Fleetguard, and NAPA Gold applications.

Quality Assurance

WIX specifies high-efficiency media and corrosion-resistant construction for long-lasting service in medium and heavy truck, farm, construction, mining, and other equipment environments. The filter is built to support leak-resistant operation under demanding conditions.