The Enginetech TT323 is a Timing Chain Tensioner for 1990-2008 Ford, Lincoln, Mercury 3.8L/4.2L V6 engines. This is a direct fit chain tensioner designed to maintain correct chain tension and prevent slack-related timing deviation.
| Part Number | TT323 |
| Product Type | Timing Chain Tensioner |
| Engine | 3.8L/4.2L V6 |
| Year Range | 1990-2008 |
| Makes | Ford, Lincoln, Mercury |
| Country of Origin | US |
| Weight | 0.75 lbs |
| UPC | 707473079440 |
| OEM Cross-Refs | Cloyes:9-5323, Melling:BT323, FEL-PRO:222-323CT, Dynagear:9323 |
Vehicle Fitment
- 1990-1994 Lincoln Continental 3.8L 232ci V6 OHV [VIN:4]
- 1990-1995 Ford Taurus 3.8L 232ci V6 OHV [VIN:4]
- 1990-1995 Ford Thunderbird 3.8L 232ci V6
- 1990-1995 Mercury Sable 3.8L 232ci V6 OHV [VIN:4]
- 1990-1997 Mercury Cougar 3.8L 232ci V6 OHV [VIN:4]
- 1994-2004 Ford Mustang 3.8L 232ci V6 OHV [VIN:4]
- 1995-2003 Ford Windstar 3.8L 232ci V6 OHV [VIN:4]
- 1997-2002 Ford E-150 Econoline 4.2L 256ci V6 OHV [VIN:2]
- 1997-2002 Ford E-150 Econoline Club Wagon 4.2L 256ci V6 OHV [VIN:2]
- 1997-2002 Ford E-250 Econoline 4.2L 256ci V6 OHV [VIN:2]
- 1997-2003, 2005-2008 Ford F-150 4.2L 256ci V6 OHV [VIN:2]
- 2003 Ford E-150 4.2L 256ci V6 OHV [VIN:2]
- 2003 Ford E-150 Club Wagon 4.2L 256ci V6 OHV [VIN:2]
- 2003 Ford E-250 4.2L 256ci V6 OHV [VIN:2]
- 2004 Ford F-150 Heritage 4.2L 256ci V6 OHV [VIN:2]
- 2004-2007 Ford Freestar 4.2L 256ci V6 OHV [VIN:2]
- 2004-2007 Mercury Monterey 4.2L 256ci V6 OHV [VIN:2]
Enginetech timing chain tensioners are precision-fit replacement components engineered to maintain correct chain tension throughout the service life of the engine. Built on over 40 years of engine rebuilding expertise, each tensioner is designed around the specific engine family it serves - hydraulic preload, ratchet geometry, and housing dimensions are matched to the tensioner bore and chain system of that exact application. Proper tensioner condition is critical to preventing chain slack, timing deviation, and premature wear on guides and sprockets. Enginetech documents every tensioner with clear application-specific notes so you know exactly what you are receiving and how it applies before the engine is on the stand. Always verify fitment by year, make, model, VIN code, and engine displacement before ordering - multiple tensioner configurations often exist for the same vehicle nameplate.
