Seal Stretcher, .433 - Lisle

The Lisle 34770 Seal Stretcher, .433, is an essential tool for professional technicians and mechanics performing maintenance on modern direct injection fuel systems. This specialized component is designed to facilitate the proper installation of new Teflon (PTFE) injector seals, which are critical for preventing leaks and maintaining optimal engine performance. It is specifically engineered to stretch the seal gently over the injector tip without damage, preparing it for the subsequent resizing and seating process.

Key Features

• Precision Seal Installation: Designed to gently stretch delicate Teflon injector seals over the injector body, preventing damage during installation.
• Component of 34850 Kit: This .433" seal stretcher is an integral part of the Lisle 34850 Injector Seal Installer Kit, ensuring comprehensive service capabilities for various injector types.
• Durable Construction: Built for the demands of professional automotive and industrial environments, offering reliable long-term performance.
• Ensures Proper Seal Seating: Aids in achieving a precise fit for injector seals, crucial for preventing fuel leaks and maintaining injector efficiency.

Applications

The Lisle 34770 Seal Stretcher is utilized for replacing Teflon seals on a wide range of direct injection fuel injectors, including those from Hitachi, Bosch, Continental, and Delphi. Its applications primarily cover numerous Ford, GM, and Subaru engines. This includes 2010 and later GM engines (e.g., 1.4L, 2.0L, 3.6L, 5.3L, 6.2L), 2014-2019 Subaru 2.0L and 2.4L turbo engines, and Ford ECO injectors from 2011 and newer models. It is particularly useful for injectors with a 6mm stem, ensuring the new seal is prepared correctly for subsequent resizing.