Piston Ring Set for 1958-1964 Ford F-250 & More - Sealed E-240K 40

$173.99
WARNING:California Proposition 65▾
Sealed Power Engine Piston Ring Set E-240K40
Sealed Power Engine Piston Ring Set E-240K40

Vehicles this part fits
    Part number: E-240K40
    UPC: 053059131645
    Condition: New
    Weight: 1.10 LBS
    Item Package Quantity: 1
    $173.99
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    Sealed Power Engine Piston Ring Set P/N:E-240K 40
    Sealed Power Engine Piston Ring Set P/N:E-240K 40
    $173.99
    $173.99

    Sealed E-240K 40 piston ring set for the 1958-1964 Ford F-250 V8 4.8L and other vehicles seals each piston against its cylinder wall. This engine piston ring set is 0.040 inch oversize and meets or exceeds OEM specifications.

    • Top ring face coated with latest-generation Plasma-Moly
    • Coated top ring face decreases friction and is very resistant to scuffing
    • Top ring of steel with moly, second ring of grey iron with phosphate coating
    • Reverse torsional second ring face and a 3 piece flex vent oil ring
    • Exacting tolerances across the ring set

    Quick facts

    • Part: Sealed E-240K 40 piston ring set
    • Also called: engine piston ring set
    • Fits: 1958-1964 Ford F-250 V8 4.8L and other vehicles
    • Material: Top ring steel with moly; second ring grey iron with phosphate coating
    • Condition: New

    Oil use, blue exhaust smoke or low compression can mean worn rings. Leaking valve stem seals, worn valve guides or a bad head gasket can also lead to oil use or weak compression, so find the source before you buy rings. One set covers eight cylinders.

    Fits

    Besides the 1958-1964 Ford F-250 V8 4.8L, this ring set fits the 1971-1981 Jeep CJ5 V8 5.0L and the 1976-1981 Jeep CJ7 V8 5.0L, along with a wide range of other vehicles. If your car is not one of these, look up its year, model and engine in the "Vehicles it fits" section before you order.

    Specifications

    Fit and size

    • Cylinders: 8
    • Quantity per application: 1
    • Bore diameter: 3.7500 in
    • Oversize: 0.040 in
    • Ring set groove widths: 5/64 x 5/64 x 3/16 in
    • Oil ring width: 0.1875 in

    Build and materials

    • Top ring: steel with moly, Plasma-Moly coated face
    • 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: 40618.040
    2106123040 · 2M568040 · T1996MX40

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

    40618040, 2106123040, 2M568040, 40618.040, T1996MX40

    Frequently Asked Questions

    Is the Sealed E-240K 40 piston ring set right for a 1976-1981 Jeep CJ7 V8 5.0L?

    Yes, Sealed E-240K 40 is listed for the 1976-1981 Jeep CJ7 V8 5.0L; for a different year, model or engine, use the "Vehicles it fits" section.

    What oversize and bore diameter does this piston ring set use?

    The set is 0.040 inch oversize, with a bore diameter of 3.7500 inch. Its ring groove widths are 5/64 x 5/64 x 3/16 inch.

    What are the top and second rings made of in this set?

    The top ring is steel with moly and its face has a Plasma-Moly coating. The second ring is grey iron with a phosphate coating.

    How can I tell if my engine needs new piston rings?

    Oil use, blue exhaust smoke or low compression can point to worn rings. A shop can run a compression or leak-down test to check them.

    Does the Sealed E-240K 40 replace ring set 2106123040?

    Yes. 2106123040 is one of the numbers Sealed E-240K 40 replaces, along with 40618.040, 2M568040 and T1996MX40.

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