Victor Reinz 18-10012-01 Fuel Injector O-Ring Kit - Lower or Upper

OE-Style Fuel Injector Sealing

Victor Reinz 18-10012-01 is a fuel injector O-ring kit built with Viton material for dependable sealing in fuel delivery service work. It is a direct-fit option for a wide range of Nissan, Infiniti, and GM applications, including Nissan Frontier, Pathfinder, and Titan models that use the specified upper or lower injector seal locations.

Victor Reinz 18-10012-01 is engineered around OE-quality gasket technology and the brand’s experience as an original equipment supplier, giving technicians a sealing solution that matches the needs of factory-style repairs.

Key Features

• Viton construction for fuel-system sealing performance
• Black round O-ring profile for injector service applications
• Designed for upper and lower fuel injector seal locations, depending on vehicle application
• OE-style replacement for Nissan 16618-AX200 applications
• Cross-references ES72004 and XS70196 for the same application
• Fits many Nissan Frontier, Pathfinder, Titan, NV-series, and select GM vehicles

Application Details

This fuel injector O-ring kit is used in service and repair work where injector sealing must be restored to factory-style condition. It supports a broad range of vehicles from 2004-2020, including Nissan Frontier, Nissan Pathfinder, Nissan Titan, Infiniti QX56, and select Chevrolet, GMC, Buick, Cadillac, Saturn, Saab, Suzuki, and Pontiac models. For fitment-specific repairs, verify whether your application uses the upper or lower injector position listed for the vehicle.

Common Repair Uses

• Fuel odor caused by worn injector seals
• Hard starting or rough idle related to injector leakage
• Fuel seepage around injector mounting points
• Maintenance during injector replacement or intake service
• Restoring sealing on Nissan Frontier, Pathfinder, and Titan fuel injectors

Installation Notes

Inspect injector bores and mating surfaces before installation. Clean all sealing areas thoroughly and confirm the correct upper or lower position for your vehicle before service. Lubricate the Viton O-rings with clean engine oil or approved fuel-system lubricant during assembly to reduce damage and help the seals seat properly.

Quality Assurance

Victor Reinz supplies OE-level sealing technology and engineering, and this kit reflects that focus on accurate fit and long-lasting repair performance. The part number for reference is 18-10012-01.