Sealed Power

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Sealed Power Engine Parts from Northern Auto Parts

Renowned for their durability and precision, Sealed Power parts are engineered to enhance your engine's efficiency and power. Our selection includes everything from Sealed Power bearings and pistons to rings and gaskets, designed to meet the rigorous demands of both daily driving and high-performance applications. We trust Sealed Power for some components in our engine kits, and we stand by their quality and price.

Elevate your vehicle's performance with Northern Auto Parts' catalog of Sealed Power engine components.

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  • FED368P40 Cast Piston Set

    Sealed Power

    Part #: 368P40

    FED368P40 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 4.1875 IN
    pdm:Bore Diameter: 106.4 MM
    pdm:Compression Height: 1.947 IN
    pdm:Head Illustration: 28
    pdm:Head Type: Recessed Head .090 deep x 3.500 dia. - 9.9:1 C.R.
    pdm:Minimum Clearance: 0.0015 @ bottom of skirt
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.040 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9997 IN
    pdm:Piston Pin Outside Diameter: 25.392 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED368P40
    $55.19
  • FED381NP40 Cast Piston Set

    Sealed Power

    Part #: 381NP40

    FED381NP40 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 4.0500 IN
    pdm:Bore Diameter: 101.6 MM
    pdm:Compression Height: 1.660 IN
    pdm:Head Illustration: 31
    pdm:Head Type: Recessed Head .097 deep x 2.620 dia. w/4 valve pockets
    pdm:Minimum Clearance: 0.0015 @ 2.630 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.040 IN
    pdm:Part Description: Engine Piston
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9753 IN
    pdm:Piston Pin Outside Diameter: 24.773 MM
    pdm:Second Compression Ring Thickness: 0.0937 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED381NP40
    $25.86
  • FED392AP30 Cast Piston Set

    Sealed Power

    Part #: 392AP30

    FED392AP30 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 4.3125 IN
    pdm:Bore Diameter: 109.5 MM
    pdm:Compression Height: 1.955 IN
    pdm:Head Illustration: 28
    pdm:Head Type: Recessed Head .230 deep x 3.610 dia.
    pdm:Minimum Clearance: 0.0015 @ 3.100 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.030 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9999 IN
    pdm:Piston Pin Outside Diameter: 25.397 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED392AP30
    $47.95
  • FED400AP30 Cast Piston Set

    Sealed Power

    Part #: 400AP30

    FED400AP30 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 4.1250 IN
    pdm:Bore Diameter: 104.78 MM
    pdm:Compression Height: 1.540 IN
    pdm:Dome Volume CC: Negative 025.0
    pdm:Head Illustration: 28
    pdm:Head Type: Recessed Head .160 deep x 3.445 dia. - 8.5:1 C.R.
    pdm:Minimum Clearance: 0.001 @ 1.830 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.030 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.03
    pdm:Pin Offset (MM): 0.762
    pdm:Pin Type: P
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9275 IN
    pdm:Piston Pin Outside Diameter: 23.559 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:Weight W Pin Gram: 00785.+/- 00.
    pdm:line_code: FED
    pdm:internal_sku: FED400AP30
    $20.53
  • FED400AP40 Cast Piston Set

    Sealed Power

    Part #: 400AP40

    FED400AP40 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 4.1250 IN
    pdm:Bore Diameter: 104.78 MM
    pdm:Compression Height: 1.540 IN
    pdm:Dome Volume CC: Negative 025.0
    pdm:Head Illustration: 28
    pdm:Head Type: Recessed Head .160 deep x 3.445 dia. - 8.5:1 C.R.
    pdm:Minimum Clearance: 0.001 @ 1.830 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.040 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.03
    pdm:Pin Offset (MM): 0.762
    pdm:Pin Type: P
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9275 IN
    pdm:Piston Pin Outside Diameter: 23.559 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:Weight W Pin Gram: 00785.+/- 00.
    pdm:line_code: FED
    pdm:internal_sku: FED400AP40
    $20.53
  • FED454NP Cast Piston Set

    Sealed Power

    Part #: 454NP

    FED454NP Cast Piston Set

    Engine Make: Sealed Power
    pdm:Assembly Lubricant Included: No
    pdm:Head Illustration: 43
    pdm:Piston Pin Outside Diameter: 0.9275 IN
    pdm:Bore Diameter: 3.7360 IN
    pdm:line_code: FED
    pdm:Piston Pin Outside Diameter: 23.559 MM
    pdm:Head Type: Recessed Head .110 deep x 3.115 dia. - 8.5:1 C.R.
    pdm:Pin Offset (Inch): 0.06
    pdm:Bore Diameter: 94.9 MM
    pdm:Oversized: No
    pdm:Minimum Clearance: 0.001 @ 2.200 from top of head
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Pin Offset (MM): 1.524
    pdm:Part Description: Engine Piston
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:Piston Material: Cast Aluminum
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Compression Height: 1.540 IN
    pdm:internal_sku: FED454NP
    $17.02
  • FED454NP30 Cast Piston Set

    Sealed Power

    Part #: 454NP30

    FED454NP30 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 3.7360 IN
    pdm:Bore Diameter: 94.9 MM
    pdm:Compression Height: 1.540 IN
    pdm:Head Illustration: 43
    pdm:Head Type: Recessed Head .110 deep x 3.115 dia. - 8.5:1 C.R.
    pdm:Minimum Clearance: 0.001 @ 2.200 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.030 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9275 IN
    pdm:Piston Pin Outside Diameter: 23.559 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED454NP30
    $17.02
  • FED454NP40 Cast Piston Set

    Sealed Power

    Part #: 454NP40

    FED454NP40 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 3.7360 IN
    pdm:Bore Diameter: 94.9 MM
    pdm:Compression Height: 1.540 IN
    pdm:Head Illustration: 43
    pdm:Head Type: Recessed Head .110 deep x 3.115 dia. - 8.5:1 C.R.
    pdm:Minimum Clearance: 0.001 @ 2.200 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.040 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9275 IN
    pdm:Piston Pin Outside Diameter: 23.559 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED454NP40
    $17.02
  • FED466NP30 Cast Piston Set

    Sealed Power

    Part #: 466NP30

    FED466NP30 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 4.3510 IN
    pdm:Bore Diameter: 110.5 MM
    pdm:Compression Height: 1.595 IN
    pdm:Head Illustration: 43
    pdm:Head Type: Recessed Head .150 deep x 3.250 dia. - 7.9:1 C.R.
    pdm:Minimum Clearance: 0.001 @ 2.300 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.030 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9804 IN
    pdm:Piston Pin Outside Diameter: 24.902 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED466NP30
    $48.19
  • FED470AP30 Cast Piston Set

    Sealed Power

    Part #: 470AP30

    FED470AP30 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 3.7500 IN
    pdm:Bore Diameter: 95.25 MM
    pdm:Compression Height: 1.633 IN
    pdm:Head Type: D Shaped Recessed Head .178 deep
    pdm:Minimum Clearance: 0.001 @ 2.640 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.030 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9313 IN
    pdm:Piston Pin Outside Diameter: 23.655 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED470AP30
    $29.97
  • FED536NP30 Cast Piston Set

    Sealed Power

    Part #: 536NP30

    FED536NP30 Cast Piston Set

    pdm:Assembly Lubricant Included: No
    pdm:Bore Diameter: 3.7360 IN
    pdm:Bore Diameter: 94.9 MM
    pdm:Compression Height: 1.540 IN
    pdm:Head Illustration: 29
    pdm:Head Type: Recessed Head .062 deep x 3.130 dia.
    pdm:Minimum Clearance: 0.001 @ 1.800 from top of head
    pdm:Oil Ring Thickness: 0.1875 IN
    pdm:Oversized: Yes
    pdm:Oversized Amount: 0.030 IN
    pdm:Part Description: Engine Piston
    pdm:Pin Offset (Inch): 0.06
    pdm:Pin Offset (MM): 1.524
    pdm:Piston Material: Cast Aluminum
    pdm:Piston Pin Outside Diameter: 0.9275 IN
    pdm:Piston Pin Outside Diameter: 23.559 MM
    pdm:Second Compression Ring Thickness: 0.0781 IN
    pdm:Top Compression Ring Thickness: 0.0781 IN
    pdm:line_code: FED
    pdm:internal_sku: FED536NP30
    $21.39
  • FED55-403 Assembly Prelube

    Sealed Power

    Part #: 55-403

    FED55-403 Assembly Prelube

    Engine Make: Sealed Power
    pdm:Container Capacity: 1.5 OZ
    pdm:Quantity: 1
    pdm:line_code: FED
    pdm:internal_sku: FED55-403
    pdm:Part Description: Assembly Lubricant
    pdm:Container Type: Packet
    $1.89

Why Shop Sealed Power Engine Parts with Northern Auto Parts?

Known for their exceptional quality and innovative design, Sealed Power parts ensure your engine operates at its best. At Northern Auto Parts, we offer a wide selection of Sealed Power products, catering to a wide variety of vehicles and performance requirements. Whether you're undertaking a full engine kit rebuild or a simple maintenance task, our Sealed Power offerings provide the solutions you need. Choosing Sealed Power components means investing in your engine's future.

Our commitment to quality means you'll find only the best Sealed Power components, all backed by our expertise and support. Shop our Sealed Power catalog and find the high-quality parts you need, at a price you’ll like.

Why Buy Vehicle Parts from Northern Auto Parts?

40+ Years Experience
Northern Auto Parts has been providing auto parts for all makes and models for over 40 years. We have everything you need to keep your car, truck, or SUV running in peak condition.

Trusted Source for Name-Brand Parts
We carry a wide variety of name-brand components, so you can find the exact parts you need to repair or replace anything on your vehicle. From engine components to exterior parts, we have a vast selection to choose from.

Competitive Pricing
We are committed to affordability without compromising on quality. Our prices provide the best value for your money, whether you’re an automotive technician or a DIY enthusiast.