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12030 LINE SOCKET 19MM - Lisle

Part #: LI12770

The Lisle LI12770 12030 Line Socket 19MM is an essential tool for professional technicians and mechanics working on automotive and industrial fuel systems. This specialized socket is engineered for precise engagement with 19mm fuel injection line fittings, simplifying removal and replacement tasks. Its design prioritizes efficiency and accuracy, helping to prevent common issues like fuel leaks and damage to critical fuel system components.

Key Features

  • Precision 19mm Fit: Designed specifically for a secure and accurate fit on 19mm fuel injection line fittings.
  • Durable Construction: Manufactured from high-quality, professional-grade steel for lasting strength and reliability in demanding shop environments.
  • 3/8" Square Drive: Compatible with standard 3/8" drive ratchets and extensions, offering versatile use with existing tool sets.
  • Damage Prevention: Engineered to minimize the risk of damaging fuel line fittings, fuel rails, and the fuel line itself, which helps reduce the possibility of fuel leaks.
  • Confined Space Access: Facilitates confident and secure engagement of fuel line nuts, particularly in cramped or hard-to-reach areas where traditional wrenches may struggle.

Applications

This 19mm line socket is an indispensable tool for servicing various fuel injection systems. It is particularly effective for replacing fuel line fittings on a range of diesel engines, including Cummins ISB and ISX models. The 19mm application is commonly found on 2011 and older diesel engines. Beyond fuel lines, the socket design can also provide access for difficult wired temperature sensors, thermo switches, and other components, including those found in ABS, master cylinder, and coolant systems, provided they utilize a 19mm flare nut fitting. Using the Lisle LI12770 ensures efficient completion of fuel line work, prevents damage, and promotes accurate maintenance.

Only 3 left in stock - order soon

$18.77

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  • Model: 444510
  • Shipping Weight: 0.31lbs
  • Manufacturers Part #: LI12770
  • Manufactured by: Lisle
  • Also Known As: LI12770

This product was added to our catalog on Sunday 31 May, 2026.

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