# ARB Pressure Supply Kit - 6mm

The Upgrade Consists Of: 6mm push-in fittings: Featuring positive click disengage: Configurable bulkhead fitting: Can be used as 90 degree fitting or straight per existing fitting. Now able to better fit where space is an issue: Designed to ensure you dont over tighten copper tube connection: Now suits standard 1/8 BSP fittings: Note: Compression nut from new design is best set up using a PZ3 Pozidriv Screw Driver: 6mm polymer airline: 50% more tube wall thickness: Stronger more resistant to cuts and abrasions: Black in color: The Benefits Consist Of: Stronger: More versatile in fitment (this addresses many application issues): 6mm is a more common pneumatic standard for fittings and tubing: Completely retrofitable for all Air Locker(TM) s with 3.5mm copper tube seal housings: 6mm entire upgrade kit available (Part number 171321): Black in color to distinguish from the 5mm blue tube:

-   Bulkhead fittings allow either a traditional straight connection or 90-degree connection
-   Designed to prevent overtightening of copper tube connection
-   6mm polymer airline with 50% thicker wall for strength
-   Works with ARB Air Locker s
-   Air Line Service Kit
-   Easy to use

## Details

- **Price:** 79.65 CAD
- **Vendor:** ARB
- **Type:** Differentials
- **Tags:** ClearanceItem:N, Core:N, CorePrice:0, Drivetrain>Differentials, EPA:N/A, LTL:N, MPN:171321, Non-CARB:N, Prop65:Y, SpecialOrder:N, TURN14_ID:218892, UniversalFitment:Y

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 79.65 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/arb-pressure-supply-kit-6mm)
> Updated: 2026-10-02