DeatschWerks DeatschWerks DWR550C Adjustable Carburetor Regulator w/ 3/8in Barb Fittings and Gauge
Click to zoom in

DeatschWerks DWR550C Adjustable Carburetor Regulator w/ 3/8in Barb Fittings and Gauge

DeatschWerks
DWK6-0550-FRB-38
887753547408
Fuel Pressure Regulators
4 Units In Stock - Ships Next Business Day
$ 198.00
$ 198.00

An Adjustable Billet Regulator With 3/8in Barb Fittings Included

The DeatschWerks DWR550C is an adjustable, billet aluminum fuel pressure regulator built for carbureted fuel systems. This version includes 3/8 in. barb fittings and a fuel pressure gauge, giving builders a ready-to-install package for hose-clamped fuel line setups.

Key Features

  • Adjustable fuel pressure for tuning carbureted fuel systems
  • Billet aluminum construction
  • Includes a 0-100 psi fuel pressure gauge
  • Bypass-style regulator design for smooth pressure control
  • Includes 3/8 in. barb fittings for hose-clamped fuel line connections

Fitment

Universal application for carbureted fuel systems using the corresponding fitting size. Confirm your fuel line size and AN fitting compatibility before ordering.

Specifications

Detail Value
Manufacturer part number 6-0550-FRB-38
Material Billet aluminum
Fitting size 3/8 in. barb
Inlet quantity 4
Outlet quantity 1
Gauge range 0-100 psi

What's Included

  • 1 DWR550C fuel pressure regulator
  • 3/8 in. barb fittings
  • 0-100 psi fuel pressure gauge

About DeatschWerks

DeatschWerks has specialized in fuel system components since 2008, including fuel injectors, fuel pumps, and fuel pressure regulators engineered and flow tested in-house for consistent, verified performance across naturally aspirated and forced induction applications.

FAQ

What fitting size does this regulator use?

3/8 in. barb fittings as supplied with this exact part number.

Is this regulator adjustable?

Yes, fuel pressure is adjustable to match your carburetor's requirements.

Does this regulator include a gauge?

Yes, a 0-100 psi fuel pressure gauge is included.

What is this regulator made from?

Billet aluminum.

Can this regulator be used with a return-style fuel system?

Yes, this is a bypass-style regulator designed for return-style carbureted fuel systems.

Will this work with a carburetor other than a specific brand?

Yes, this is a universal carburetor fuel pressure regulator not limited to one carburetor brand.

Does this regulator work with E85?

Confirm E85 compatibility with DeatschWerks for this exact part number before running ethanol-blended fuel.

What inlet configuration does this regulator have?

Four inlet ports and one outlet/return port, allowing flexible plumbing options.

Installation Instructions

  1. Relieve fuel system pressure before disconnecting any fuel lines.
  2. Mount the regulator in an accessible location using the supplied or appropriate mounting hardware.
  3. Connect the fuel inlet, outlet, and return lines using the fitting size supplied with this part number.
  4. Install the included gauge into the gauge port.
  5. Pressurize the fuel system and check all fittings for leaks.
  6. Start the engine and adjust the regulator to the carburetor manufacturer's recommended fuel pressure.

Request For Information

Have questions about DeatschWerks DWR550C Adjustable Carburetor Regulator w/ 3/8in Barb Fittings and Gauge? Fill out the form below and we'll get back to you by the next business day.
DeatschWerks

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
Engine

Engine

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. 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 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

View Engine Products
Fuel Delivery

Fuel Delivery

Fuel delivery parts for gas and diesel trucks, muscle cars, and import performance builds are stocked at Black Ops Auto Works. Shop fuel pumps, fuel pump modules, fuel rails, pressure regulators, fuel filters, fuel tanks, carburetors, flex fuel kits and sensors, fuel caps, and surge tanks for Ram Cummins, Ford Powerstroke, Dodge Charger and Challenger, Jeep, Chevrolet, Honda, Nissan, and Infiniti platforms. 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 1,874 fuel delivery SKUs across pumps, hardware, and tank categories. What This Category Covers Fuel delivery parts move fuel from the tank to the engine at the pressure and volume the injectors or carburetor need. This collection spans in-tank and external fuel pumps, pump modules and hangers, fuel pressure regulators, fuel rails, filters, tanks, carburetors, flex fuel conversion kits, and the caps and misc components that comp...

View Fuel Delivery Products
Fuel Pressure Regulators

Fuel Pressure Regulators

Fuel pressure regulators and fuel system control parts for LS, Coyote, Hemi, K-series, 2JZ, EJ and diesel builds are stocked at Black Ops Auto Works. Shop adjustable EFI regulators, rising-rate FPRs, return-style regulators, carburetor regulators, regulator and filter combinations, springs, gauges and fittings for naturally aspirated, boosted and E85-ready fuel systems. 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 156 fuel pressure regulator SKUs across return systems, boost-referenced setups, carbureted applications, direct-mount EFI hardware and service parts. Fuel Pressure Regulator Basics Control pressure at the rail or carburetor A fuel pressure regulator controls fuel pressure delivered to injectors or a carburetor. In a return-style EFI system, excess fuel returns to the tank while the regulator maintains the chosen base pressure at the rail. Choose a regulator around ...

View Fuel Pressure Regulators Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×