Product Description
FLEECE FPE-34550-A 12MM QUICK CONNECT TO 3/4 INCH-16 O-RING (-8 AN)
The FLEECE FPE-34550-A 12MM Quick Connect to 3/4"-16 O-Ring (-8 AN) adapter is the perfect solution for high-performance fuel system plumbing and custom diesel builds. Whether you are upgrading to a Fleece PowerFlo lift pump, converting factory fuel lines, or building a custom AN-style fuel system, this CNC-machined adapter provides a leak-free, high-flow, OEM-quality connection.
Built to withstand the harsh conditions of diesel performance applications, this fitting transforms a 12mm quick-connect style male fitting into a 3/4"-16 O-ring (-8AN) connection, giving you maximum compatibility with aftermarket fuel components. Its precision-machined sealing surface and corrosion-resistant finish ensure long-term durability, even under elevated pressure and vibration.
Key Features
- Converts 12mm quick-connect to 3/4"-16 O-ring (-8 AN)
- Ideal for custom fuel system plumbing and aftermarket lift pump installs
- CNC-machined for precise fitment and superior sealing
- Durable construction for high-pressure diesel applications
- Compatible with many PowerFlo and AN-style fuel system components
Fitment & Uses
This adapter is commonly used for:
- Converting factory 12mm quick-connect fuel lines to AN-style plumbing
- Fleece PowerFlo lift pump setups
- Aftermarket fuel systems on Duramax, Cummins, and Power Stroke engines
- Custom race or street diesel fuel system builds
Note: This adapter is universal in function and fits any application requiring a 12mm quick-connect conversion to a 3/4"-16 O-ring (-8 AN) connection.
Cross-Reference & Related Fleece Products
- FLEECE FPE-34755 FUEL SYSTEM UPGRADE KIT WITH POWERFLO LIFT PUMP (03–04 CUMMINS)
- FLEECE FPE-34306 POWERFLO LIFT PUMP FOR 11–14 DURAMAX
- FLEECE FPE-34307 POWERFLO LIFT PUMP FOR 15–16 DURAMAX
- FLEECE FPE-34308 POWERFLO LIFT PUMP FOR 10–12 6.7L CUMMINS
Why Choose Fleece?
Fleece Performance Engineering is known for delivering high-quality, precision fuel system components. This fitting is built using the same engineering quality as their PowerFlo pumps, Freedom Series engine components, and fuel distribution solutions. When reliability and flow matter, Fleece fittings are the industry standard.
Specifications for FLEECE FPE-34550-A
| Specification | Value |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-34550-A |
| Connection 1 | 12mm Quick Connect |
| Connection 2 | 3/4"-16 O-Ring (-8 AN) |
| UPC | 670875714624 |
| GTIN | 670875714624 |
| Material | CNC-Machined Aluminum |
| Finish | Corrosion-Resistant Coating |
| Shipping Weight | 1 lb (approx.) |
| Shipping Method | Standard Ground |
| Cross Reference | Compatible with multiple Fleece PowerFlo systems and custom AN fuel plumbing setups. |
| E-Codes | Not applicable |
| Prop 65 | WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov |
Frequently Asked Questions
What does the FPE-34550-A adapter do?
It converts a 12mm quick-connect style fuel line to a 3/4"-16 O-ring (-8 AN) connection, allowing you to run AN-style hoses and fittings in high-flow diesel fuel systems.
Is this fitting compatible with Fleece PowerFlo lift pumps?
Yes. This adapter is commonly used in PowerFlo fuel system upgrades and other Fleece plumbing solutions requiring AN-style fuel routing.
Does this adapter fit Duramax or Cummins applications?
Yes. Any diesel platform using a 12mm quick-connect fuel line can use this adapter when converting to AN-style plumbing.
Is the part safe for high-pressure fuel systems?
Absolutely. It is CNC-machined and built to withstand the pressures and vibration typical of high-performance diesel fuel systems.
What AN lines does this adapter support?
This fitting converts to a standard -8 AN connection, compatible with all -8 AN hoses, fittings, and adapters.
