Product Description
FLEECE FPE-61-10006 5.9L FREEDOM SERIES CUMMINS CYLINDER HEAD PERFORMANCE
The FLEECE FPE-61-10006 5.9L Freedom Series Cylinder Head is a premium, performance-oriented replacement for 2003–2007 Cummins engines. Engineered with increased durability, improved airflow, and precision CNC machining, this head delivers the strength required for towing, street performance, and high-boost competition builds.
Every Freedom Series head is pressure-tested, decked, resurfaced, vacuum-tested, and assembled with upgraded components to meet or exceed OEM standards. With reinforced seats, heavy-duty springs, and improved cooling characteristics, the Freedom Series is built for trucks that demand reliability under heavy load or elevated boost levels.
Key Features
- Fully remanufactured performance cylinder head for 5.9L Cummins
- Precision CNC machining and multi-stage cleaning
- Improved airflow and cooling capacity over OEM heads
- Pressure-tested and vacuum-tested to ensure sealing integrity
- Built to handle elevated boost and higher fueling demands
- Direct bolt-on replacement for 2003–2007 5.9L Cummins engines
Vehicle Fitment
- 2003–2007 Dodge Ram 2500 5.9L Cummins
- 2003–2007 Dodge Ram 3500 5.9L Cummins
- Direct replacement for all common-rail 5.9L Cummins cylinder heads
Ideal for: Street trucks, towing rigs, daily drivers, and high-horsepower competition builds.
Cross-Reference & Related Fleece Products
Pair this cylinder head with these Fleece upgrades for a complete performance package:
- Spoke Design Dual Pump Pulley (Black):
FLEECE FPE-34211-BLK-SPK BLACK SPOKE DUAL PUMP PULLEY - Spoke Design Dual Pump Pulley (Orange):
FLEECE FPE-34211-ORG-SPK ORANGE SPOKE DUAL PUMP PULLEY - 5.9L Dual Pump Bracket:
FLEECE FPE-34610-PC 5.9L DUAL PUMP BRACKET - 1/2" CP3 Feed Fitting:
FLEECE FPE-CP3-FEED 1/2 INCH CP3 FEED FITTING - High-Flow Feed Line Kit (2010–2018):
FLEECE FPE-HFFL-1018 HIGH FLOW FEED LINE KIT
FAQ
Is this cylinder head a direct replacement for my factory 5.9L Cummins head?
Yes. The FPE-61-10006 is a direct bolt-on replacement for 2003–2007 5.9L common-rail Cummins engines and includes upgraded components for improved durability.
Does this head come assembled?
Yes. Freedom Series heads arrive fully assembled with valves, springs, seals, and seats installed, ready for installation after proper inspection and cleaning.
Can this cylinder head support high boost levels?
Absolutely. Freedom Series heads are pressure-tested and built with upgraded components to withstand elevated boost and aggressive fueling setups.
Is machining required before installation?
No machining is normally required, but Fleece and CPP Diesel recommend verifying flatness and cleanliness before installation for maximum sealing integrity.
Is there a Prop 65 warning?
Yes. This product includes a California Proposition 65 warning for cancer and reproductive harm. See www.P65Warnings.ca.gov.
Specifications for FLEECE FPE-61-10006
| Attribute | Value |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-61-10006 |
| UPC | 670875700437 |
| GTIN | 670875700437 |
| Engine Compatibility | 2003–2007 5.9L Cummins |
| Configuration | Fully assembled Freedom Series performance cylinder head |
| Cross Reference | FPE-34211-BLK-SPK, FPE-34211-ORG-SPK, FPE-34610-PC, FPE-CP3-FEED, FPE-HFFL-1018 |
| E-Codes | Not specified |
| Country of Origin | USA (per supplier data) |
| Shipping Weight | Approx. 75–95 lbs |
| Package Dimensions | Varies (oversized freight) |
| Shipping Method | Freight (LTL) |
| Prop 65 Warning | Yes — Cancer & Reproductive Harm. www.P65Warnings.ca.gov |
