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Holley 12-810 Electric Fuel Pump Safety Pressure Switch

by Holley
3.8 out of 5 stars 9 customer reviews

List Price: $33.44
Price: $33.15 & FREE Shipping on orders over $35. Details
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  • Reads fuel and oil pressure
  • Shuts off at or below 5 PSI
  • Fits electric pumps
  • Limited Warranty
See more product details
49 new from $30.71 1 used from $60.89
$33.15 & FREE Shipping on orders over $35. Details Only 15 left in stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Holley 12-810 Electric Fuel Pump Safety Pressure Switch
  • +
  • Allstar Performance ALL50138 1/8" NPT Tee Gauge Fitting
Total price: $40.49
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Product Information

Technical Details

Brand Holley
Item Weight 4.6 ounces
Product Dimensions 7 x 5 x 2.1 inches
Origin USA
Item model number 12-810
Manufacturer Part Number 12810
OEM Part Number 12-810

Additional Information

ASIN B00029JC7G
Customer Reviews
3.8 out of 5 stars 9 customer reviews

3.8 out of 5 stars
Best Sellers Rank #128,233 in Automotive (See top 100)
#22 in Automotive > Performance Parts & Accessories > Fuel System > Fuel Pumps & Accessories > Electric Fuel Pumps
#468 in Automotive > Replacement Parts > Fuel System > Fuel Pumps & Accessories > Electric Fuel Pumps
Shipping Weight 4.8 ounces (View shipping rates and policies)
Domestic Shipping This item is available for shipping in the U.S. except for California and to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available August 12, 2006

Warranty & Support

Warranty, Parts:PartsWarranty, Labor:Full Manufacturer's Warranty - Sold by Authorized Reseller
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

This safety switch reads fuel and oil pressure and will shut off when the pressure reads below 5 PSI. It fits electric pumps.

Customer Reviews

Top Customer Reviews

By samchell on September 29, 2010
Verified Purchase
This is an excellent product and easy to install. Nothing like the warm fuzzy feeling you get when you know you have a fuel safety switch to save you butt when out on the open water and an engine stalls.
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Verified Purchase
This screws into the oil pressure gauge outlet. I used a brass nipple and a tee to accommodate this switch and the oil pressure sender. When wired right if the engine dies the loss of oil pressure breaks the power to the electric fuel pump relay. Good insurance against fuel leaks in your boat or vehicle.
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Works at a larger range than my old switch, cured the problem of the fuel pump quitting at low oil pressures, like a hot engine at a red light, my oil pressure would drop to around 10 p.s.i. and the fuel pump would go off. this fixed it.
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Over the past year I have purchased three of these switches and all three have failed out of the box or within a couple of hours. At first, one worked great and turned the pump off. Now they don't do anything. Way disappointed with Holley quality after I also had an issue with a brand new Holley red pump!

Update March 2014:
Looks like I used the product in the wrong application. The Amazon page says reads fuel or oil pressure, but the Holley page I just looked at says oil pressure switch. I was using this switch to turn the electric fuel pump off when the fuel pressure got over 5 psi. Worked great at first, but within a few hours of use or couple of weeks, it would just stay on and never shut off, even with pressure building over 10 psi. This happened on all three switches I purchased.

Either way, I have removed them and will just go with a relay off the ignition to drive the fuel pumps through external regulators. If you are looking to hook these up to a gas line, I would not recommend it. I believe Amazon has the wrong wording up above.

Still not happy with Holley. There higher cost pump had a chipped magnet in it that would lock up the fuel pump occasionally once it got warm. That was fun to figure out. The cheaper generic one from Summit in Ohio, you know the racing place in Akron, was much better.

Good luck!
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Good Quality Switch. Really easy to hook up.
The only issue i face here is the odd angles of the terminals. If your engine has an oil pressure line is closer the firewall, it's a little difficult to screw in the terminal screws because of the odd angles.

But as far as the function goes, this product is of excellent quality and it performs as intended once it's set up.
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Want to discover more products? Check out these pages to see more: holley fuel pump electric, fuel pump switch, psi switch

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Holley 12-810 Electric Fuel Pump Safety Pressure Switch
This item: Holley 12-810 Electric Fuel Pump Safety Pressure Switch
Price: $33.15
Ships from and sold by Amazon.com