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#56058500
$35.99
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Universal Fit, 1-6 Fuel Pressure Rating (psi), Steel
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Return PolicyThis Offenhauser chrome universal fuel regulator is adjustable from 1-6 PSI, making it an affordable option for a variety of low pressure carbureted applications. Fuel pump regulator has 1/8" NPT female threads and includes both 5/16" and 3/8" hose barb connectors.
Note: This fuel regulator is NOT compatible with ethanol or fuels containing lead.
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | 12-804 |
| Brand | Offenhauser |
| Regulator Style | Adjustable |
| Material Type | Steel |
| GENERAL | |
| Fuel Pressure Rating (psi) | 1-6 |
| Pressure Regulator Inlet Size | 1/8" NPT |
| Pressure Regulator Outlet Size | 1/8" NPT |
| Notes | Includes hardware to splice into 5/16" and 3/8" line. Adjustable from 1-6 lbs. |
| Overall Height | 1.50" |
| Outside Diameter | 2.20" |
4.5
48 Reviews
This product, a fuel pressure regulator, received largely positive feedback from customers for its reliable performance, flexibility, and quality materials. Users noted that it was easy to install, adjust, and fit onto various engine setups, including on vintage models. It succeeded in controlling fuel pressure accurately, often resolving issues like vapor locking and overpressurization caused by other pumps. It was praised for its classic, retro aesthetic and its compact shape. Some pointed out inconsistencies in pressure regulation, but a majority of reviews highlighted how effective it was. Direct comparisons to other brands illustrated it as a preferred option due to its precise pressure readings. It's particularly recommended for multiple-carburetor setups, demonstrating its functionality. However, durability and longevity could be areas for possible improvement.
4.5
48 reviews
5
37
4
6
3
1
2
0
1
4
Most Liked Positive Review
5.0
Worked very well.
I put a Carter electric fuel pump in the trunk of a 1949 Packard, to replace the original on the engine. It was causing some "seep" on the old carb. Loved the adjustability of this unit. I was able to get adequate volume, without over pressurizing the carb. I mounted it immediately downstream of the fuel pump, in the trunk. I suspected a potential problem, and left room for the install. Looks great also.
Most Liked Negative Review
1.0
Product needs improvement
I have received three of the regulators. The first one was on my car for 4 years and 7500 miles before it failed to regulate (reduce) the fuel pressure. I then ordered a replacement and it began leaking from under the adjustment knob after about an hour and 48 miles. I now have a replacement for the second one and it is working ok after about 120 miles of use. The pressure is set at 3 psi. I took the first one apart to see how it failed and the diaphragm was wrinkled and expanded. I use 91 octane E10 gasoline.
Filter by Ratings
Yes, I would buy this product again
4.0
6 days ago
The Colonel
Fish Creek, Wi
Verified
I have this fuel pressure regulator on single and multiple carb setups. Nice looking and easy to adjust to fuel pressures. Two of these regulators I have had to replace due to leakage. For the money it is a good buy.
Would Recommend
If needed I would buy again
5.0
2 months ago
Rapidron
Summerfield North Carolina.
Verified
I installed the regulator because I am using an electric fuel pump. It did yes not come with a mounting bracket so I fabricated one and mounter it on the firewall. Works fine.
Would Recommend
Good regulator.
5.0
2 months ago
Witchdoctor
Cabot, PA
Verified
This regulator stopped the flooding of my engine.
Would Recommend
Works Perfect
5.0
8 months ago
SM25
Iowa
Verified
Exactly What I needed
Would Recommend
Leaked after 10 months
1.0
a year ago
JM4
Colorado
Verified
I put this in a 50 Plymouth with an electric fuel pump with 7 psi. The regulator started leaking at the adjustable pressure dial after 10 months. Glad I didn't have a fire!!!
Would Not Recommend
Looks and works perfect!
5.0
a year ago
Lucky
Caledonia, WI
Verified
Again, looks and works perfect. Easy to adjust with just fingers!
Would Recommend
yes I would buy this again
5.0
a year ago
obadia harslarger
Waddell AZ
Verified
regulate fuel flow to my stromberg carbs on my flathead
Would Recommend
Perfect fit and function
5.0
a year ago
Dog
Louisa, Va
Verified
Worked great for what I needed
Would Recommend
Should last longer !
4.0
a year ago
Steve-O
Maryland
Verified
I like the look , how you can adjust it , the size , but ...... it only lasted 2 years , i just put another one on . The first one started leaking around the front of it , under the dial .Hope this one lasts longer ???
Would Recommend
Worked perfect
5.0
2 years ago
Dave Z
Lincoln Nebraska
Verified
Holds my fuel pressure to 1.5 psi
Would Recommend
Showing 10 of 48 reviews
14 Questions • 12 Answers
Hi,is this regulator suitable foe a sbc running a holley carb,and will it work with 6-an fittings. thnx Ken
by ken
• 8 years ago
2 answers
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Does this replace the original Filt O Reg and does the glass bowl with cork filter screw into the bottom?
by carmen
• 10 years ago
1 answer
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Has this been updated to be ethanol compatible yet? Also is there a return port version?
by JeepBoy
• 10 years ago
1 answer
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Hello, is heat an issue for this unit? my exhausts are just a few inches away and the one of these i bought didn't work from the start but before i replcae it with another i wanted to check.
by Tedders
• 10 years ago
1 answer
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How much pressure can you push into this product
by Mike
• 10 years ago
1 answer
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It states it is NOT c/w ethanol... How can everyone be buying this if it is not?? all the fuel has etoh in it, so what does this mean?? surely it IS c/w modern fuels, no??
by m r weiss
• 10 years ago
1 answer
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i have installed an in tank fuel pump that runs 12 psi and i have a 48 ford fladhead v/8 engine running 3 carbs that run with about 3 to 4 psi !!! can i use this pressure regulator ????
by quest1946
• 11 years ago
1 answer
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What is the diameter of this regulator?
by Dave
• 11 years ago
1 answer
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Can this regulatator mount free fall off the fuel line without mounting to the fender. Does the part weight too much to mount this way?
by JamesH
• 11 years ago
1 answer
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What is the max input pressure of this regulator
by TestEng
• 12 years ago
2 answers
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10 of 14 questions shown
