My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Fuelab 51505-6-L-E Series EFI Fuel Pressure Regulator Large Seat - 515

Manufacturer

Picture for manufacturer Fuelab

Part Number

51505-6-L-E
7 reviews
Sale Price

$210.26

Estimated ship date Monday, November 23

Check out with

ApplePay
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 51505-6-L-E is a 515 Series adjustable fuel pressure regulator engineered for EFI applications with a large seat design. Built for performance and flexibility, this regulator accepts both port style and non-port style union fittings without interference, making installation versatile across various fuel system configurations.

Key Features:

  • EFI-specific design with large seat configuration for high-flow applications
  • Adjustable pressure range supporting fuel injected systems up to 125 PSID
  • Two -6AN inlet ports and one -6AN return port (bottom-mounted) for flexible plumbing
  • Compatible with gasoline, diesel, methanol, and ethanol fuels
  • Precision-machined billet aluminum construction with Type II MIL-A-8625 anodizing
  • Fine thread pitch adjustment mechanism for precise pressure tuning
  • 1/8 NPT gauge port with plug for external pressure monitoring
  • 1/8 NPT pressure reference port with barbed fitting included
  • Versatile mounting bracket with stainless steel hardware
  • Backed by Fuelab's 2-year limited warranty

This regulator is ideal for EFI systems requiring precise fuel pressure control and high-flow capacity. The large seat design ensures adequate fuel delivery for demanding performance applications while maintaining consistent pressure regulation.

Products specifications

Range

25-90 psi

Size

(2) -10AN Inlets, (1) -6AN Return

Best price for the item I needed. Very fast shipping and there consumer service was great on the phone.

Thanks for having what I needed in one stop.

Fast shipping, good customer service!

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