Piston Ring Set for 1980-1984 Buick Electra & More - Sealed E-408K 40

$123.99
WARNING:California Proposition 65▾
Sealed Power Engine Piston Ring Set E-408K40
Sealed Power Engine Piston Ring Set E-408K40 - view 2
Sealed Power Engine Piston Ring Set E-408K40 - view 3
Sealed Power Engine Piston Ring Set E-408K40 - view 4
Sealed Power Engine Piston Ring Set E-408K40
Sealed Power Engine Piston Ring Set E-408K40 - view 2
Sealed Power Engine Piston Ring Set E-408K40 - view 3
Sealed Power Engine Piston Ring Set E-408K40 - view 4

Vehicles this part fits
    Part number: E-408K40
    UPC: 053059142085
    Condition: New
    Weight: 1.00 LBS
    Item Package Quantity: 1
    $123.99
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    Sealed Power Engine Piston Ring Set P/N:E-408K 40
    Sealed Power Engine Piston Ring Set P/N:E-408K 40
    $123.99
    $123.99

    Sealed E-408K 40 piston ring set for the 1980-1984 Buick Electra V6 4.1L and other vehicles seals each piston against its cylinder wall. The set is 0.040 in oversize, covers six cylinders and meets or exceeds OEM specifications.

    • Rings decrease friction and are very resistant to scuffing
    • Built to exacting tolerances
    • Steel top ring with chrome
    • Grey iron second ring with phosphate coating and a reverse torsional face
    • Three-piece flex vent oil ring

    Quick facts

    • Part: Sealed E-408K 40 piston ring set
    • Also called: engine piston ring set
    • Fits: 1980-1984 Buick Electra V6 4.1L and other vehicles
    • Material: Steel with chrome top ring; grey iron with phosphate coating second ring
    • Condition: New

    Worn piston rings can show up as oil use, blue exhaust smoke or low compression. Before you replace a ring set, rule out other sources of the same oil use and smoke, such as worn valve seals or a leaking gasket, so you fix the right problem.

    Fits

    It is a direct-fit replacement for a wide range of Buick, Cadillac, Oldsmobile and Pontiac models, led by the 1980-1984 Buick Electra V6 4.1L, the 1980-1984 Buick LeSabre V6 4.1L and the 1982-1984 Buick Regal V6 4.1L. The 1982-1984 Buick Regal V6 4.1L takes one set; for any other car, find its year and model in the "Vehicles it fits" section.

    Specifications

    Fit and size

    • Bore diameter: 3.9650 in
    • Oversize: 0.040 in
    • Ring groove widths: 5/64 x 5/64 x 3/16 in
    • Oil ring width: 0.1875 in
    • Cylinders: 6
    • Quantity per vehicle: 1 set

    Build and materials

    • Top ring: steel with chrome
    • Second ring: grey iron with phosphate coating
    • Second ring face: reverse torsional
    • Oil ring: 3-piece flex vent
    • Condition: New
    • Country of origin: United States

    Interchange: 408K040 · 41253040 · 2106226040 · 2M5619040 · T8352MX40

    This part cross-references / interchanges with the following part numbers:

    408K040, 41253040, 2106226040, 2M5619040, T8352MX40

    Frequently Asked Questions

    Is the Sealed E-408K 40 piston ring set right for the 1980-1984 Buick Electra V6 4.1L?

    Yes. Sealed E-408K 40 is listed for the 1980-1984 Buick Electra V6 4.1L, which takes one set. Other cars are in the "Vehicles it fits" section.

    How much oversize is the Sealed E-408K 40 engine piston ring set?

    Sealed E-408K 40 is 0.040 in oversize. The listed bore diameter is 3.9650 in, and the set covers six cylinders.

    What are the ring materials in this Sealed E-408K 40 set?

    The top ring is steel with chrome and the second ring is grey iron with phosphate coating. The oil ring is a 3-piece flex vent design.

    Could blue exhaust smoke mean the piston rings are worn?

    Yes, blue exhaust smoke can be one sign of worn rings, along with oil use and low compression. A shop can check ring condition with a compression or leak-down test.

    Does the Sealed E-408K 40 ring set replace 41253040?

    Yes. Sealed E-408K 40 replaces 41253040. The other numbers it replaces are on the Interchange line at the bottom of the page.

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