Click to zoom in
SKU: 4-HOBBS-10 | UPC: 887753546159
DeatschWerks Adjustable 10 PSI Hobbs Switch with Pigtail (0.5A) – 1/8" NPT (8-12 PSI Range)
The DeatschWerks is an adjustable Hobbs pressure switch with a nominal 10 PSI activation point (adjustable from 8-12 PSI) and a 1/8" NPT thread. It includes a pre-wired pigtail for easy electrical connection.
This versatile switch is commonly used to activate or deactivate circuits based on fluid or air pressure, making it ideal for fuel pump safety shut-off, warning lights, electric fans, nitrous systems, or other pressure-triggered accessories. The adjustable range allows fine-tuning to your specific application, while the rugged construction ensures reliable operation in demanding performance environments.
Rated for 0.5A continuous load, it provides a clean, professional solution for custom vehicle builds and performance upgrades.
Key Features
- Adjustable Activation Point – Nominal 10 PSI, tunable from 8-12 PSI for precise control
- 1/8" NPT Thread – Standard fitting for easy installation into fuel rails, oil galleries, or boost lines
- Included Pigtail – Pre-wired harness for simple plug-and-play electrical connection
- 0.5A Rating – Suitable for low-current circuits and accessories
- Reliable Performance – Durable design for consistent operation in performance applications
| Spec | Detail |
|---|---|
| Part Number | 4-HOBBS-10 |
| Brand | DeatschWerks |
| Type | Adjustable 10 PSI Hobbs Pressure Switch with Pigtail (0.5A) |
| Activation Pressure | 10 PSI nominal (adjustable 8-12 PSI) |
| Thread Size | 1/8" NPT |
| Current Rating | 0.5A |
| Country of Origin | United States |
| Warranty | DeatschWerks Limited Warranty |
Whats Included
- DeatschWerks Adjustable Hobbs Switch
- Pigtail wiring harness
Product Notes
- Adjustable from 8-12 PSI for custom tuning to your application
- Commonly used for fuel pump safety, warning lights, electric fans, or nitrous control
- Professional installation recommended for proper wiring and pressure line integration
Installation Notes
- Install into a 1/8" NPT port on fuel rail, oil gallery, or boost reference line
- Connect pigtail to desired electrical circuit (normally open or normally closed depending on application)
- Estimated time: 30–60 minutes
Why Choose DeatschWerks Hobbs Switches?
- Adjustable pressure range for precise control in performance applications
- Included pigtail simplifies wiring
- Trusted by enthusiasts and professional builders for quality and reliability
Frequently Asked Questions
-
Q: What does a Hobbs switch do?
A: It opens or closes an electrical circuit when the preset pressure (adjustable 8-12 PSI) is reached. -
Q: Can I use this to control a fuel pump?
A: Yes, it is commonly used as a safety shut-off or activation switch based on oil or fuel pressure. -
Q: Is professional installation recommended?
A: Recommended proper wiring and pressure line connections are important for safety and reliability.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure DeatschWerks retail packaging
DeatschWerks
DeatschWerks fuel system parts for domestic and import platforms are stocked at Black Ops Auto Works. Shop fuel injectors, in tank and inline fuel pumps, fuel pump hanger assemblies, flow matched injector sets, and fuel system fittings for HEMI, LS, EcoBoost, K-series, VQ, RB, and turbocharged four cylinder engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 641 DeatschWerks SKUs spanning injectors, pumps, hangers, and fuel delivery hardware. What This Collection Covers DeatschWerks builds fuel delivery components engineered around real world flow data rather than generic ratings, and the brand's catalog spans a wide range of platforms including Dodge Charger and Challenger, Honda Civic and Accord, Nissan 370Z and Infiniti G37, Chevrolet Corvette and Silverado, BMW M2, M3, and M4, and Ford Mustang. This collection brings together fitment verified injectors, pumps, and fuel ...
View DeatschWerks Products
Interior Accessories
Interior accessories for trucks, Jeeps, and SUVs are stocked at Black Ops Auto Works to personalize and protect the cabin. Shop dashboard mounts, phone and tablet holders, carbon fiber trim, door sill plates, pedal covers, replacement carpet, and mirror accessories for platforms like the Jeep Wrangler, Jeep Grand Cherokee and Trackhawk, RAM 1500 and TRX, Ford Bronco and Maverick, Chevrolet Silverado, GMC Sierra, and Toyota Tacoma and 4Runner. Every product is filterable by year, make, model, and trim so the correct interior accessory ships the first time. Black Ops Auto Works carries 496 Interior Accessories SKUs across mounts, trim, badges, and cabin storage. What This Category Covers Interior accessories cover the parts that personalize a cabin or add practical function, from dashboard mounts for phones and tablets to carbon fiber trim pieces and replacement carpet, spanning both daily driven trucks and Jeeps and performance oriented Mopar platforms. Overlay vs Replacement Par...
View Interior Accessories Products
Interior Parts & Accessories
Interior parts and accessories for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop gauges and gauge pods, dash and interior trim, shift knobs and shifters, steering wheels, seats and race seats, seat belts and harnesses, roll cage components, floor mats, programmers and tuners, and racing safety gear for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and EcoBoost platforms. Every interior product is filterable by year, make, model, trim, and application so the correct part ships the first time. Black Ops Auto Works carries 5,234 interior SKUs across dash trim, seating, safety, electronics, and tuning categories. What This Category Covers Interior parts and accessories span daily comfort upgrades and dedicated racing safety equipment. This collection ranges from simple dash badges and floor mats to full roll cage components, race seats, and harness bars for track-prepped builds, along with electronic tuning products like programmers and performance monitor...
View Interior Parts & Accessories Products
Relays
Relays parts and accessories Automotive relays and control components for cars, trucks, Jeeps, UTVs and custom wiring projects are stocked at Black Ops Auto Works. Shop 12V relays, 24V relays, 30A relays, 40A relays, 70A relays, relay sockets, pigtails, relay harnesses, Hobbs switches, circuit breakers and rocker switch control parts. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 33 Relays SKUs across fitment specific and universal applications. What This Relays Collection Covers This collection helps builders control higher current loads with a low current trigger circuit. It includes common relay related components for auxiliary lighting, pumps, fans, horns, accessories and switched circuits where the correct wire size, fuse protection and installation method matter. Relay Ratings and Terminals Choose voltage and current ratings that meet or exceed the expected load. Confirm ...
View Relays Products