Are you in the market for a robust and efficient engine for your Ford crossover, sedan, or Lincoln luxury vehicle? Look no further than our selection of used 3.5L Duratec engines for sale. The 3.5L Duratec (officially the Ford 3.5L Cyclone V6) offers an excellent balance of performance and fuel economy, making this engine a popular choice for a wide range of Ford, Lincoln, Mercury, and even Mazda applications. With output ranging from 263 HP up to 305 HP across the production run, the Duratec V6 delivers refined power without the complexity of forced induction.
Before we go further, the most important point for any Ford 3.5L V6 shopper to understand:
The 3.5L Duratec and the 3.5L EcoBoost are DIFFERENT engines. They share the same displacement (3.5 liters) and the same basic Cyclone family architecture, but they are fundamentally different engines with different applications and different characteristics.
| Feature | 3.5L Duratec / Cyclone V6 (this engine) | 3.5L EcoBoost V6 |
|---|---|---|
| Aspiration | Naturally aspirated | Twin-turbocharged |
| Fuel System | Port injection only | Direct injection (later models add port plus direct) |
| Output | 263 to 305 HP / 248 to 280 lb-ft | 355 to 660 HP / 350 to 660 lb-ft |
| Fuel Required | Regular 87 octane | Premium 91 plus octane |
| Production Years | 2006/2007 to 2019 | 2010 to current |
| Applications | Edge, Taurus, Flex, Explorer (base), MKS, MKT, MKX, Sable, CX-9, Fusion Sport | F-150 EcoBoost, Expedition, Navigator, Police Interceptor, Taurus SHO, GT500 (modified) |
| F-150 compatibility? | NO , F-150 never used the NA Duratec | YES (2011 plus F-150 EcoBoost) |
| Known Issues | Internal water pump (coolant in oil) | Internal water pump (same family), spark plug/coil failures, intake valve carbon, cam phaser issues |
Why this matters for your purchase: if you have a Ford F-150 with a 3.5L V6, you have the EcoBoost twin-turbo engine, NOT the Duratec. This Duratec listing will NOT fit your F-150. Call (240) 301-0095 for 3.5 EcoBoost availability.
The Ford 3.5L Duratec is a robust naturally aspirated V6 engine known for its smooth power delivery and good fuel economy. With a displacement of 3.5 liters (3,496 cc) from a 92.5 mm bore and 86.7 mm stroke, this engine delivers approximately 263 to 305 horsepower and 248 to 280 lb-ft of torque depending on variant and application. The all-aluminum DOHC 24-valve design with sequential multi-port fuel injection produces refined power with minimal vibration.
The 3.5L Duratec / Cyclone V6 evolved across its 12-13 year production run:
The 3.5L Duratec / Cyclone V6 was introduced in 2006/2007 model year vehicles as part of Ford's modern V6 strategy. It served as Ford's primary naturally aspirated V6 across the mid-size and large car / crossover lineup for over a decade. Continuous improvements over the production run addressed early issues and enhanced overall durability. The Duratec V6 is generally considered one of Ford's most reliable engines of its era, with the notable exception of the internal water pump issue (see below).
We disclose known engine issues honestly so buyers can make informed decisions. The 3.5L Duratec / Cyclone V6 has one significant documented issue:
The water pump is INTERNAL, driven off the timing chain, located inside the front engine cover. When the water pump fails (a documented wear pattern typically appearing at 100,000 to 150,000 miles), it doesn't simply leak coolant externally like a conventional external water pump. Instead:
Service cost: Internal water pump replacement on the 3.5L Duratec is labor-intensive , typically $1,200 to $2,000 at independent shops, $1,800 to $3,000 at dealerships. The procedure requires removing the front engine cover, timing chain access, and careful resetting of timing components.
Note: the 3.5L EcoBoost has the same internal water pump design and same vulnerability, so this isn't a Duratec-exclusive issue. It's a Cyclone-family architecture characteristic.
Beyond the water pump, common 3.5L Duratec service items include:
Our used Ford 3.5L Duratec engines are compatible with a wide range of vehicles. Critical: this engine fits Ford / Lincoln / Mercury / Mazda vehicles that used the NATURALLY ASPIRATED 3.5L V6. It does NOT fit Ford F-150, Expedition, or other vehicles that used the 3.5L EcoBoost twin-turbo engine.
The Ford 3.5L Duratec V6 delivers solid performance and respectable fuel economy:
The Duratec doesn't match the EcoBoost's output (355 plus HP) or torque (350 plus lb-ft), but it offers proven reliability without the complexity of twin-turbocharging and direct injection.
The Duratec / Cyclone V6 has modest tuning potential, but is not commonly modified for power compared to its EcoBoost cousin:
For significant power gains, the 3.5L EcoBoost is the better platform. The naturally aspirated Duratec is purchased and used primarily for its smooth, refined character and proven reliability rather than peak output.
The Ford 3.5L Duratec / Cyclone V6 offers competitive fuel economy and emissions for its displacement class. Later Ti-VCT variants further improved efficiency through more precise valve event control. The engine meets US EPA Tier 2 emissions standards across its production years.
To maximize the lifespan of your 3.5L Duratec engine:
Here at Vaz Auto Solutions, you'll find the Ford 3.5L Duratec engine for sale at the most reasonable price possible, with honest distinction from the 3.5L EcoBoost (different engine) and full disclosure of the internal water pump consideration.
| Vehicle | Compatibility |
|---|---|
| Ford Edge | 1st gen 2007 to 2014; 2nd gen 2015 to 2018 base |
| Ford Taurus | 6th generation 2008 to 2019 base and Limited (SHO used EcoBoost) |
| Ford Flex | 2009 to 2019 base (SHO Limited used 3.5 EcoBoost) |
| Ford Explorer | 5th generation 2011 to 2019 base (Sport/Limited used 3.5 EcoBoost) |
| Ford Fusion Sport | 2010 to 2012 (original Fusion Sport, NA Duratec) |
| Lincoln MKS | 2009 to 2016 base and higher-output variants up to 305 HP |
| Lincoln MKT | 2010 to 2019 base trim |
| Lincoln MKX | 2011 to 2015 (transitioning away from Duratec in later years) |
| Mercury Sable | 2008 to 2009 (final Mercury generation) |
| Mazda CX-9 | 1st generation 2007 to 2015 (Ford Cyclone V6 licensed by Mazda) |
| NOT COMPATIBLE | Ford F-150 (uses 3.5 EcoBoost), Ford Expedition (uses 3.5 EcoBoost), Lincoln Navigator (uses 3.5 EcoBoost), Police Interceptor (uses 3.5 EcoBoost), Taurus SHO (uses 3.5 EcoBoost) |
| Aspiration | Naturally aspirated (NOT turbocharged) |
|---|---|
| Bore X Stroke | 92.5 mm x 86.7 mm |
| Compression Ratio | 10.3:1 |
| Cooling System | Liquid-cooled with internal water pump driven off timing chain |
| Electrical System | 12V with standard alternator and battery setup |
| Fuel System | Sequential multi-port fuel injection (port injection only) |
| Fuel Type | Regular Gasoline (87 octane) |
| Displacement | 3.5 liters (3 | 496 cc / 213 cubic inches) |
| Engine Type | naturally aspirated | V6 | 60-degree |
| Engine Family | Ford Cyclone V6 (3.0L | 3.5L | 3.7L variants) |
| Horsepower | 263 to 305 HP depending on variant |
| Torque | 248 to 280 lb-ft depending on variant |
| Redline | 6 | 800 rpm | 500 to 6 |
| Valvetrain | DOHC | 24 valves | optional Ti-VCT on later variants |
| Block Head Material | All-aluminum construction |
| Manufacturer | Ford Motor Company (Cleveland Engine Plant No. 1 | Lima Engine Plant) |
| Production Years | 2006 / 2007 to 2019 (naturally aspirated Cyclone) |
| Critical Distinction | NOT the same as the 3.5L EcoBoost twin-turbo engine (different fuel system | different aspiration | different applications) |
| Known Issue Honest Disclosu | Internal water pump driven off timing chain; failure leaks coolant into oil | risking bearing damage |
Contact (240) 301-0095 within 15 days.
