1/8 NPT to -8 O-Ring Boss (ORB) Adapter
Specifications Part numbers, fitment codes and shipping
- Brand
- ACUITY Instruments
- Speedzone SKU
- 1913-F05
- Manufacturer part number
- 1913-F05
- Category
- Automotive Parts and Accessories
- Shipping weight
- 0.06 lb
SKU: 1913-F05
- Fits in all fuel rails and other fuel system components that accept -8 ORB fittings
- Adapts -8 ORB ports to 1/8 NPT for use with pressure gauges or sensors
- 7075-T6 Aluminum construction for added strength over traditional 6061-T6 fittings
- Anodized for durability
- Flanged hex to help avoid wrench damage during installation
- Supplied with ethanol-safe FKM o-ring
- 7/8" Hex Drive
Description
ACUiTY's 1/8 NPT to -8 O-Ring Boss (ORB) adapter is made from 7075-T6 aluminum for strength, and its silver anodized finish ensures high cosmetic quality and resistance to oxidation. It's a great option for those wanting to discretely mount a fuel pressure gauge to the side of a fuel rail or fuel pressure regulator. These were designed for use with ACUiTY's K-Series Fuel Rails, but they are perfect for use in any gas, ethanol, or gas/ethanol mix fuel system where a -8 ORB port must be adapted to a 1/8 NPT Port (which is a common size used for sensors and fuel pressure gauges). The fitting comes supplied with a -908 FKM o-ring that is gasoline and ethanol (and E85, etc) compatible. Additionally, each fitting is designed with a flange at the base of the 7/8" hex to help protect against scratching the part the fitting is being threaded into during tightening.
If replacement o-rings are needed, order ACUiTY part number 1913-F08 (which includes 5pcs of -908, FKM O-Rings).
See below for examples of the fitting used to adapt fuel pressure regulators onto ACUiTY's K-Series Fuel Rail (1913-F05 fitting comes with fitting and o-ring only, gauge and fuel rail sold separately)








Fitment Info
Designed to fit standard -8 o-ring boss (ORB) ports found on ACUiTY's K-Series fuel rails as well as many other aftermarket fuel rails and fuel pressure regulators.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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Answers to common questions are on our FAQ page.
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