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Sealed Power E-446K Engine Piston Ring Set
Overview of Sealed Power Engine Piston Ring Set E-446K
The Sealed Power Engine Piston Ring Set E-446K is designed for reliable performance in six-cylinder engines. This set is compatible with Ford, Mazda, and Mercury vehicles including models like the Aerostar, B3000, Probe, Ranger, Sable, Taurus, Tempo, Topaz, and Windstar.
- Standard size piston ring set with 89.00 mm bore diameter
- Top ring made of steel with molybdenum coating for wear resistance
- Second ring constructed from grey iron with reverse torsional face design
- Oil ring features a 3-piece flex vent design with 4.00 mm width
- Ring groove widths measure 1.5 mm for top and second rings, 4.0 mm for oil ring
- Compatible with six-cylinder engines requiring precise fitment
Technical Specifications and Design Features
The E-446K piston ring set includes three rings per cylinder designed to optimize sealing and oil control. The top ring has a barrel face design and is made from steel with a molybdenum coating, which helps reduce wear and maintain compression. The second ring is 1.50 mm wide, made from grey iron, and features a reverse torsional face design to improve ring seal and reduce blow-by gases. The oil ring is a 3-piece flex vent type with a 4.00 mm width, engineered to provide effective oil scraping and control within the cylinder bore. The set is manufactured to standard size specifications with an 89.00 mm bore diameter, ensuring compatibility with the specified Ford, Mazda, and Mercury six-cylinder engines.
Compatible Vehicles and Applications
This piston ring set is compatible with a range of six-cylinder engines found in Ford, Mazda, and Mercury vehicles. It fits models such as the Ford Aerostar, B3000, Ranger, Taurus, Tempo, and Windstar, as well as the Mazda Probe and Mercury Sable and Topaz. The precise bore size and ring dimensions make it suitable for engine rebuilds or repairs requiring standard size piston rings.
- Restores proper compression and engine performance
- Reduces oil consumption and prevents excessive blow-by
- Addresses worn or damaged piston rings causing loss of power
- Helps eliminate engine smoking due to oil ring failure
- Improves overall engine efficiency and longevity
Installation Notes and Tips
When installing the Sealed Power E-446K piston ring set, ensure the cylinder bore is clean and within specification. The rings are standard size and do not require filing or custom fitting. Proper ring orientation is critical: install the top ring with the barrel face outward and the second ring with the reverse torsional face correctly aligned. The 3-piece flex vent oil ring should be assembled carefully to maintain tension and proper oil control. Use appropriate ring compressors and follow manufacturer torque specifications during piston installation.
Quality Assurance and Warranty
Sealed Power piston rings are manufactured to meet OEM standards for durability and performance. The E-446K set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Sealed Power products typically come with a limited warranty against defects in materials and workmanship, providing confidence in the product’s reliability for engine rebuild applications.
| Brand | Sealed Power |
| Part Number | E-446K |
| 2nd Ring Face Design | Reverse Torsional |
| 2nd Ring Material | Grey Iron |
| 2nd Ring Width | 1.50 |
| 2nd Ring Width (mm) | 1.50 |
| Bore Diameter | 89.00 |
| Bore Size (mm) | 89.00 |
| Cylinder Quantity | 6 |
| Oil Ring Width | 4.00 |
| Oil Ring Width (mm) | 4.00 |
| Outside Diameter | 89.00 |
| Outside Diameter (mm) | 89.00 |
| Ring Set Groove Widths (mm) | 1.5 x 1.5 x 4.0 |
| Short Circuit Protection | 3 Piece Flex Vent |
| Standard Size | Standard Size |
| Top Ring Face Design | Barrel Face |
| Top Ring Material | Steel w/Moly |
| Top Ring Width | 1.50 |
| Top Ring Width (mm) | 1.50 |
This part fits 70 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Ford | Windstar | 3.0L | V6 | N/A | Use with H497P Piston; Ductile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 4.0 (mm); Standard |
| 2000 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 2000 | Mercury | Sable | 3.0L | V6 | N/A | Use with H497P Piston; Ductile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 4.0 (mm); Standard |
| 1999 | Ford | Windstar | 3.0L | V6 | N/A | Use with H497P Piston; Ductile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 4.0 (mm); Standard |
| 1999 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1999 | Mercury | Sable | 3.0L | V6 | N/A | Use with H497P Piston; Ductile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 4.0 (mm); Standard |
| 1998 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1998 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1998 | Ford | Windstar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1998 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1998 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1997 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1997 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1997 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1997 | Ford | Windstar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1997 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1997 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1996 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1996 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1996 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1996 | Ford | Windstar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1996 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1996 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1995 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1995 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1995 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1995 | Ford | Windstar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1995 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1995 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Ford | Tempo | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Mazda | B3000 | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1994 | Mercury | Topaz | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1993 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1993 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1993 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1993 | Ford | Tempo | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1993 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1993 | Mercury | Topaz | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Ford | Probe | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Ford | Tempo | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1992 | Mercury | Topaz | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1991 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1991 | Ford | Probe | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1991 | Ford | Ranger | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1991 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1991 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1990 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1990 | Ford | Probe | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1990 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1990 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1989 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1989 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1989 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1988 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1988 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1988 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1987 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1987 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1987 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1986 | Ford | Aerostar | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1986 | Ford | Taurus | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
| 1986 | Mercury | Sable | 3.0L | V6 | N/A | Ductile 2nd Ring, Moly Steel Top Ring, Premium, Ring Groove Widths: 1.5mm, 1.5mm, 4.0mm, Standard |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.