Direct Connect Heater Hose Nipple


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Have it your way! These customizable AC bulkhead system provides a custom solution for feeding your hoses through your vehicle’s firewall. Drilling a bunch of individual holes of different sizes in your firewall to feed your hoses through is both tedious and unsightly.Our AC bulkhead makes installation clean and easy.

Instead of having to buy pre-configured bulkhead sizes and layouts, this customizable bulkhead system allows you to choose your plate size and configuration and then choose individual connector sizes for a completely custom solution.

These bulkheads feature corrosion resistant design and materials, and are CAD engineered for precise installation and effectiveness. Easy to install and features a Limited Lifetime Warranty.

The Zirgo hose nipples have the following measurements:

Inner Fitting Size:
Thread pitch: 1.75 mm
Thread size: 22 mm

Total length: 49.75 mm
ID: 12.36 mm
OD (widest point): 28.10 mm
OD (narrow point): 16.2 mm – FITS 5/8 INCH HEATER HOSE PERFECTLY

OD (nut): 37.25 mm
ID (nut): 22 mm

Input :: Threaded
Output :: Nipple
Jam Nut :: Included
Corrosion resistant :: Yes

Fully customizable bulkheads
Choose individual plates and connectors
CAD engineering
Easy installation
Packaging :: Single Sided Blister
Limited Lifetime Warranty
Designed in the USA

Weight 0.15 lbs


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