7/8 in -14 Hex Socket Plug with O-Ring

Features:

• Hex socket plug with 7/8"-14 thread size

• Integrated O-ring for a leak-free, high-pressure seal

• Ideal for fuel, oil, and hydraulic system block-off applications

• Machined from high-grade steel for strength and durability

• Corrosion-resistant coating for longevity in harsh environments

• Compact and easy to install or remove with hex socket tooling

The Fleece FPE-SP-7814 7/8"-14 Hex Socket Plug is a versatile sealing solution for automotive and industrial systems. Designed for use in high-pressure applications, it offers a reliable seal thanks to its pre-installed O-ring and precision-machined threads. Whether you're capping unused ports in fuel rails, oil galleries, or hydraulic blocks, this plug ensures secure closure with minimal risk of leaks. Built for long service life, it’s a must-have in custom builds or maintenance kits.

Fitment: Universal – fits systems requiring a 7/8"-14 threaded plug
Warranty: Limited lifetime warranty from Fleece Performance
Fitment Notes: Verify port thread size before installation. Compatible with most diesel and gas applications. Not vehicle-specific.