My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Fuelab 51506-5-L-E Series EFI Fuel Pressure Regulator Large Seat - 515

Manufacturer

Part Number

51506-5-L-E
Sale Price

$210.23

Estimated ship date Monday, November 23

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Fuelab 51506-5-L-E is a high-performance 515 Series adjustable fuel pressure regulator engineered for EFI applications with a large seat design. Built for precision and versatility, this regulator accepts both port-style and non-port-style union fittings without interference, making installation flexible across various fuel system configurations.

Key Features:

  • Two -6AN or -10AN inlet ports and one -6AN return port located on the bottom
  • Adjustable pressure range supporting fuel injected applications up to 125 PSID
  • Compatible with gasoline, diesel, methanol, and ethanol fuels
  • Precision-machined billet aluminum construction with Type II military-spec anodizing (MIL-A-8625)
  • Fine thread pitch adjustment for precise pressure tuning
  • 1/8 NPT gauge port with plug for external pressure monitoring
  • 1/8 NPT pressure reference port with barbed fitting
  • Includes versatile mounting bracket with stainless steel hardware
  • Backed by Fuelab's 2-year limited warranty

This large seat regulator is ideal for high-flow EFI systems demanding consistent fuel pressure control and exceptional reliability under demanding performance conditions.

Products specifications

Range

25-90 psi

Size

(2) -6AN Inlets, (1) -6AN Return

Was NICE AND EASY TO FIND IT.

Fast shipping, good customer service!

I shopped around on the internet and Autoplicity was the most reasonable price for the same quality brand name locking hubs i was looking for. Only con was i read on internet they had free shipping and that wasn't so on my order which was disappointing.

Lowest price, fast shipping. Thanks!

Autoplicity agent was very helpful over the phone. He answered all my questions & even did some research to make me feel comfortable I was getting the appropriate parts I needed for my car. I was very pleased & will shop Autoplicity again.

Everything went smoothly, love the prices and the ease of transaction, hope to buy from you real soon, Nice people.

Best price on the net! Haven't got my order yet, it just shipped so we will see from there.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy