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OTC Injector Seal Installer and Sizer Adapters

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OTC injector seal installer and sizer adapters ensure replacement injectors and seals are installed correctly. Two different kits are available. Choose the appropri
OTC injector seal installer and sizer adapters ensure replacement injectors and seals are installed correctly. Two different kits are available. Choose the appropriate one for your application.

OTC kit 6757 installs the PTFE seal onto the end of the injector. The pilot cone is placed onto the end of the injector and the seal is started over the cone. The installer pushes the seal into the groove on the injector tip. The sizer goes over the seal to compress it back to the correct O.D. to allow installation into the cylinder head.

OTC kit 6756 installs the dual seals onto the end of the injector. These seals must
OTC injector seal installer and sizer adapters ensure replacement injectors and seals are installed correctly. Two different kits are available. Choose the appropriate one for your application.

OTC kit 6757 installs the PTFE seal onto the end of the injector. The pilot cone is placed onto the end of the injector and the seal is started over the cone. The installer pushes the seal into the groove on the injector tip. The sizer goes over the seal to compress it back to the correct O.D. to allow installation into the cylinder head.

OTC kit 6756 installs the dual seals onto the end of the injector. These seals must be installed into their grooves, and then sized to the engineered dimension before the injectors are installed into their bores in the cylinder head. Two seal installation pilots for each groove, a seal installer driver, and a compression sizer is included.

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Fuel Injector Seal Installer, Buick, Chevy, Cadillac, GMC, Direct Injection, Kit

Part Number: OTC-6756

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Fuel Injector Remover and Installer Kits, Injector Seal Installation and Sizer Adapters, SIDI Injectors, GM, Each

Part Number: OTC-6757

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

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