Wix 57791 Engine Oil Filter - Bypass or Full Flow

WIX 57791 HD Oil Filter Overview

The WIX 57791 is a heavy-duty spin-on engine oil filter built for demanding service in medium and heavy trucks, farm equipment, construction machinery, mining equipment, and other industrial applications. It uses enhanced cellulose media and a high-capacity design to support long service intervals and consistent oil filtration under tough operating conditions.

Compatible With Volvo 21707133 applications and other cross-reference part numbers used in the same service category, this filter is built for engines that need dependable oil cleanliness and strong can construction.

Key Features

• Part number: 57791
• Spin-on lube filter design
• Enhanced cellulose media for 16 micron filtration
• Flow rate: 18-20 GPM
• Burst pressure rating: 340
• High-strength, corrosion-resistant can, center tube, and end caps
• Leak-resistant sealing components for demanding duty cycles
• No anti-drain back valve
• No bypass relief valve setting
• Thread size: 1 1/8-16

Detailed Description

The WIX 57791 oil filter is engineered for heavy-duty engine protection where filtration capacity and structural durability matter. Its enhanced cellulose media is designed to capture fine contaminants while maintaining oil flow, and the 10.382-inch height and 4.000-inch outer diameter support a large media package for extended service use. This filter is a practical choice for Volvo 21707133 cross-reference applications, as well as other equipment platforms that specify the same style and thread configuration.

WIX HD filters are commonly selected for OEM oil and filter change intervals in commercial and off-road equipment. The corrosion-resistant housing and reinforced internal components help the filter maintain sealing integrity in harsh environments, including truck, agricultural, construction, and mining service. The WIX 57791 is also cross-referenced by Fleetguard LF4006 and NAPA Gold Filters 7791 for the same application.

What It Helps Address

• Excess engine wear caused by contaminated oil
• Reduced filtration capacity during extended service intervals
• Oil leakage concerns from weak filter construction
• Pressure-related filter failure in heavy-duty operation
• Inconsistent oil flow in demanding truck and equipment use

Installation Notes and Tips

Verify thread size, gasket sealing surface, and overall filter dimensions before installation. This is a spin-on lube filter with a closed top and no anti-drain back valve, so confirm the engine’s oil system requirements before service. For best results, install according to the manufacturer’s service procedure and replace the filter at the recommended oil change interval.

Quality Assurance

WIX designs HD oil filters for heavy-duty service with high-capacity media, corrosion-resistant construction, and sealing components intended to support reliable operation in commercial and off-road environments.