Walbro Universal Fuel Sock - 1250572

The Walbro Universal Fuel Sock (Part # 1250572) is a genuine Walbro replacement fuel filter strainer designed as a pre-filter for in-tank fuel pump installations. Whether you're replacing a worn-out sock during a pump rebuild or installing a new in-tank pump setup, this universal strainer helps protect the pump inlet from debris and contaminants that can cause premature wear or fuel delivery issues. It's a straightforward but essential component for anyone serious about fuel system reliability.

Key Features & Benefits

• Universal Fit Across a Wide Range of Walbro Fuel Pumps: Designed to fit a broad spectrum of Walbro in-tank fuel pumps, making it a versatile replacement or upgrade strainer for many popular pump applications.
• Compatible with AEM In-Tank Fuel Pumps: Also confirmed to fit AEM in-tank fuel pumps 50-1000 and 50-1200, expanding its usefulness beyond Walbro-branded installations.
• Pre-Filter Protection: As a fuel pump pre-filter (inlet strainer), the sock filters fuel before it enters the pump, helping to extend pump life by blocking tank sediment and debris from reaching the pump internals.
• Lightweight and Compact: At just 0.04 lb, this strainer adds virtually no weight to your fuel system and is easy to handle during installation.
• Affordable Maintenance Component: Replacing the fuel sock during a pump service or at regular maintenance intervals is an inexpensive step that can protect a significantly more costly fuel pump investment.

Specifications

• Part Number: 1250572
• Brand: Walbro
• Type: Universal In-Tank Fuel Pump Filter Strainer (Fuel Sock)
• Dimensions: 6.2 × 3.1 × 2.2 in
• Weight: 0.04 lb
• Proposition 65: Yes — California Proposition 65 warning applies

Fitment

The Walbro 1250572 is a universal fuel strainer — it is not application-specific to a particular vehicle year, make, or model. It is confirmed to be compatible with a wide range of Walbro in-tank fuel pumps as well as AEM in-tank fuel pumps 50-1000 and 50-1200. Because compatibility depends on the specific pump model rather than the vehicle itself, it is important to verify that this strainer is the correct size and inlet diameter for your specific pump before purchasing. If you're unsure whether this fuel sock works with your pump, our fitment team is ready to help.

Why Buy from ThreePiece.us

ThreePiece.us offers free shipping on every order, so you're not paying extra to get this fuel system component to your door. We also offer financing through Affirm, making it easy to spread out costs whether you're ordering a single maintenance part or building out a complete fuel system upgrade. Our team has served over 10,000 customers and brings deep expertise to fitment questions — if you have any doubt about whether this Walbro fuel sock is right for your pump or application, contact our team at 813-535-5801 or reach out via email and we'll point you in the right direction before you order.

Frequently Asked Questions

Q: Is the Walbro 1250572 fuel sock specific to a particular vehicle or fuel pump model?

A: No — it is a universal pre-filter strainer, not tied to a specific vehicle application. It is designed to fit a wide range of Walbro in-tank fuel pumps and is also confirmed compatible with AEM in-tank fuel pumps 50-1000 and 50-1200. Always verify compatibility with your specific pump before ordering.

Q: What is the purpose of replacing the fuel sock on an in-tank fuel pump?

A: The fuel sock acts as a pre-filter at the pump's inlet, filtering out sediment and debris from the fuel tank before fuel enters the pump. Replacing a clogged or damaged sock helps restore proper fuel flow and can extend the life of the pump itself.

Q: How quickly will this ship after I order?

A: This is a regularly stocked product at ThreePiece.us. It ships with free shipping on every order.

Q: Can I finance this purchase?

A: Yes — financing is available through Affirm at checkout, allowing you to split the cost into manageable payments.