ORB-6 Port Plug — 9/16" UNF with O-Ring, Black Anodised Alloy

A black anodised alloy ORB-6 (O-Ring Boss) port plug for sealing unused -6 ORB ports on oil system components, coolers, filter housings, pumps, and other ORB-ported components. The plug uses a 9/16" UNF thread (the standard thread for -6 ORB ports) and seals via an O-ring providing a clean, reliable, leak-free seal on unused ports without the need for PTFE tape or thread sealant.

Sold individually — price per plug. O-ring included.

Key Features

• ORB-6 O-Ring Boss Port Plug: Seals unused -6 ORB ports cleanly and reliably 
• 9/16" UNF Thread: Standard thread size for -6 ORB (O-Ring Boss) ports
• O-Ring Seal Included: O-ring provides a positive, leak-free face seal — ensure O-ring is correctly seated before installation
• Black Anodised Alloy: Lightweight, corrosion resistant, and a clean stealth finish
• Common Applications: Blanking unused ports on oil coolers, remote oil filter housings, oil pumps, dry sump tanks, and other ORB-6 ported components

Specification

Material: Black Anodised Alloy
Thread: 9/16" UNF (ORB-6 / -6 O-Ring Boss)
Seal: O-ring (included)
Sold: Individually (price per plug)