Sealed Power 2744PN Engine Piston
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Sealed Power

Sealed Power 2744PN Engine Piston

Brand Sealed Power 2744PN
Bore (Inch) 4.0157
Bore (mm) 102.0000
Compression Distance 2.815
Head Illustration 228
Head Type Recessed head .685 deep x 2.520 dia. - 16.5:1 c.r.; repl. o.e. no
Minimum Clearance 0.005 @ .470 from bottom of skirt
Note 1 Standard size
Part Material Cast
Pin Diameter (Inch) 1.575
Pin Diameter (mm) 40.005
Pin Type F
Ring 1 Qty 1
Ring 1 Width 3.00mm
Ring 2 Qty 1
Ring 2 Width 2.36mm
Ring 3 Qty 1
Ring 3 Width 4.00mm
Standard Size Standard
Fits Dodge · 3 vehicles

Cast construction. Built from cast material for dependable piston strength.

Recessed head. Features a deep recessed design with a 16.5:1 compression ratio.

Standard size. Sized as a standard piston for straightforward replacement.

Cross-references 1451P, 2242575 and 3907156 for the same application. See all 7.

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Sealed Power 2744PN Engine Piston for Dodge 1991

Sealed Power 2744PN is a standard-size cast engine piston built for specific 1991 Dodge D250, D350, and W250 applications. It features a recessed head design, OE replacement reference 3907156, and dimensions that match the listed bore, compression distance, and ring groove widths for accurate engine rebuilding.

Key Features

  • Standard-size engine piston for 1991 Dodge D250, D350, and W250
  • Cast construction for cylinder block component service
  • 4.0157 in. bore / 102.0000 mm bore
  • 2.815 in. compression distance
  • Recessed head: .685 in. deep x 2.520 in. diameter
  • 16.5:1 compression ratio specification
  • Pin diameter: 1.575 in. / 40.005 mm
  • Ring groove widths: 3.00 mm, 2.36 mm, and 4.00 mm
  • Replaces OE part number 3907156
  • Cross-reference part numbers include 1451P and P1375

Detailed Description

Sealed Power 2744PN is an engine piston engineered for direct replacement use in 1991 Dodge D250, Dodge D350, and Dodge W250 engines that call for OE part number 3907156. The recessed head profile, standard sizing, and specified compression distance help maintain the original engine geometry during rebuild work. Sealed Power uses modern materials and certified manufacturing processes to produce components that meet the demands of current engine service standards.

This part cross-references 1451P and P1375 for the same application.

Common Repair Uses

  • Restoring compression in a worn 1991 Dodge D250, D350, or W250 engine
  • Replacing a damaged or scored piston during engine overhaul
  • Matching OE-style piston dimensions for rebuild accuracy
  • Addressing ring seal issues tied to piston wear
  • Supporting cylinder block component service where standard-size pistons are required

Installation Notes and Tips

Verify bore size, pin diameter, ring groove widths, and compression distance before installation. This piston is listed as standard size and uses a fixed pin type, so machine work and ring selection should be matched to the engine’s measured specifications. Confirm clearance requirements and inspect the cylinder wall, rings, and connecting rod fit during assembly.

Quality Assurance

Sealed Power manufactures engine components using leading-edge materials and ISO- and QS-certified production methods. That process focus supports consistent dimensional control for rebuild applications such as the 1991 Dodge D250, D350, and W250.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1991DodgeD2505.9LL63 Ring Piston; 2.815 (in) Compression Distance; 0.685 (in) Deep x 2.520 (in) Diameter Recess; Cast Iron; Replaces OE Part Number(s) 3907156; 16.5 :1 Compression Ratio; Ring Groove Widths: 3.0 (mm) , 2.36 (mm) , 4 (mm); Sold Individually; Standard
1991DodgeD3505.9LL63 Ring Piston; 2.815 (in) Compression Distance; 0.685 (in) Deep x 2.520 (in) Diameter Recess; Cast Iron; Replaces OE Part Number(s) 3907156; 16.5 :1 Compression Ratio; Ring Groove Widths: 3.0 (mm) , 2.36 (mm) , 4 (mm); Sold Individually; Standard
1991DodgeW2505.9LL63 Ring Piston; 2.815 (in) Compression Distance; 0.685 (in) Deep x 2.520 (in) Diameter Recess; Cast Iron; Replaces OE Part Number(s) 3907156; 16.5 :1 Compression Ratio; Ring Groove Widths: 3.0 (mm) , 2.36 (mm) , 4 (mm); Sold Individually; Standard
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1451P22425753907156A1709NPP1375P1375STDP5005