Product Description
FLEECE FPE-34224-B ADAPTER FITTING -10AN MALE TO 1.325 INCH BORE
The FLEECE FPE-34224-B adapter fitting provides a precision-machined solution for converting a -10AN male connection to a 1.325-inch bore interface. Designed by Fleece Performance Engineering for high-flow fuel, coolant, and oil system configurations, this adapter is built to support performance applications requiring reliable sealing and maximum fluid delivery.
Machined from high-quality aluminum and finished for durability, this fitting is ideal for custom plumbing, retrofits, aftermarket lift pump systems, auxiliary cooling circuits, and high-performance engine builds that require AN-to-bore transitions. Whether you’re routing a large-diameter AN line on a Cummins, Duramax, Power Stroke, or custom application, the FPE-34224-B delivers a clean, leak-free connection.
Key Features:
- -10AN male connection to 1.325” bore interface
- Precision CNC-machined aluminum construction
- Ideal for custom high-flow fuel, oil, and coolant routing
- Durable corrosion-resistant finish
- Designed and manufactured by Fleece Performance Engineering
Fitment
Type: Universal adapter — fits any system requiring a -10AN male connection adapted to a 1.325-inch bore seat.
Common Uses:
- Fuel system upgrades and large-diameter line transitions
- Oil system plumbing on high-performance builds
- Coolant bypass or auxiliary cooling systems
- Custom turbo, lift pump, and fuel distribution block configurations
Recommended Fleece Cross-Reference / Related Parts
- FLEECE FPE-APT-34-08 -8AN TO 3/4-16 ADAPTER (UNIVERSAL)
- FLEECE FPE-34225-B ADAPTER FITTING -8AN MALE TO 1.325 INCH BORE
- FLEECE FPE-34224-A ADAPTER FITTING -6AN MALE TO 1.325 INCH BORE
Why Choose This Fleece Adapter?
Fleece adapters are engineered to support high-pressure, high-temperature performance environments. The FPE-34224-B offers reliable sealing and flow capacity for demanding builds, ensuring that your fuel, oil, or coolant routing maintains integrity under load. For custom plumbing or high-flow AN systems, Fleece adapters provide the precision required to eliminate leaks and flow restrictions.
Installation Notes
- Always verify sizing of both the -10AN connection and 1.325” bore before installation.
- Use AN-compatible lubricants and torque specifications for best sealing results.
- Check for proper gasket or O-ring seating depending on your specific bore application.
- Ideal for professional or experienced installers familiar with AN plumbing.
Specifications for FLEECE FPE-34224-B
| Attribute | Value |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-34224-B |
| Connection 1 | -10AN male |
| Connection 2 | 1.325-inch bore |
| Material | Precision-machined aluminum |
| UPC | 670875717244 |
| GTIN | 670875717244 |
| Shipping Info | Approx. 1 lb; small component packaging (6″ × 4″ × 2″ typical) |
| Cross Reference | FPE-34224-A, FPE-34225-B, FPE-APT-34-08 |
| E-Codes | Not applicable |
| Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
FAQ
What is this Fleece FPE-34224-B adapter fitting used for?
This fitting adapts a -10AN male line to a 1.325-inch bore seat, commonly used in custom fuel, oil, and coolant routing where a high-flow connection is required.
Is this fitting vehicle-specific?
No. It is a universal adapter designed for custom plumbing and performance builds. It is not tied to a specific make or model.
Can this fitting be used in high-pressure fuel applications?
Yes — when installed properly and used with AN-compatible lines and components, this adapter supports high-pressure fuel and oil systems.
Does this adapter require O-rings or gaskets?
It depends on the 1.325” bore configuration you are connecting to. Some applications require an O-ring seat; always inspect your receiving side for sealing requirements.
Is this fitting compatible with aftermarket lift pump or fuel distribution upgrades?
Yes. It can integrate with many custom or high-flow fuel systems, especially those using AN lines or oversized bore adapters.
