Sealed Power E-240X piston ring set for the 1958-1964 Ford F-250 V8 4.8L and other vehicles seals each piston against the cylinder wall. This engine piston ring set covers eight cylinders in standard size, made to exacting tolerances and meeting or exceeding OEM specifications.
- Top ring of grey iron with phosphate
- Second ring of grey iron with phosphate coating and a reverse torsional face
- 3-piece flex vent oil ring, 0.1875 inch wide
- Standard size, not oversized, for a 3.7500 inch bore
Quick facts
- Part: Sealed Power E-240X piston ring set
- Also called: engine piston ring set
- Fits: 1958-1964 Ford F-250 V8 4.8L and other vehicles
- Material: Grey iron with phosphate (top ring), grey iron with phosphate coating (second ring)
- Condition: New
Worn rings can show up as blue exhaust smoke, oil use between changes or low compression. Worn valve seals, a leaking head gasket or a clogged PCV system can be behind those signs too, so find the cause before you buy rings.
Fits
The set is listed for a wide range of Ford, Jeep and American Motors models, led by the 1958-1964 Ford F-250 V8 4.8L, the 1971-1981 Jeep CJ5 V8 5.0L and the 1976-1981 Jeep CJ7 V8 5.0L, and it is a direct-fit replacement for each of them. The 1971-1981 Jeep CJ5 V8 5.0L takes one set, and this listing is one set. If your car is not named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1 set
- Cylinders covered: 8
- Size: standard, not oversized
- Bore diameter: 3.7500 inch
- Ring groove widths: 5/64 x 5/64 x 3/16 inch
- Oil ring width: 0.1875 inch
Build and materials
- Top ring material: grey iron with phosphate
- Second ring material: grey iron with phosphate coating
- Second ring face: reverse torsional
- Oil ring: 3-piece flex vent
- Condition: New
- Country of origin: United States
Interchange: R37558-STD
3204491 · 3204566 · 3204575 · 3204576 · 3205940 · 3205944 · 3207039 · 3207040 · 3207456 · 3207514 · 6474170 · 8121685 · J3205944 · J3207039 · J3207040 · J3207456 · J3207514 · J8121685 · 240X · 50618 · 2105123 · 6119 · 568 · BC4002 · C4002 · T1996X
This part cross-references / interchanges with the following part numbers:
3204491, 3204566, 3204575, 3204576, 3205940, 3205944, 3207039, 3207040, 3207456, 3207514, 6474170, 8121685, J3205944, J3207039, J3207040, J3207456, J3207514, J8121685, 240X, 50618, 2105123, R37558-STD, 6119, 568, BC4002, C4002, T1996X
Frequently Asked Questions
Is the Sealed Power E-240X ring set right for a 1976-1981 Jeep CJ7 V8 5.0L?
Yes. Sealed Power E-240X is listed for the 1976-1981 Jeep CJ7 V8 5.0L, and that engine takes one set. Other vehicles are in the "Vehicles it fits" section.
What are the top and second Sealed Power piston rings in this set made of?
In Sealed Power E-240X, the top ring is grey iron with phosphate and the second ring is grey iron with phosphate coating. The second ring has a reverse torsional face.
Is this Sealed Power piston ring set oversized?
No. This ring set is standard size, made for a 3.7500 inch bore with 5/64 x 5/64 x 3/16 inch ring groove widths.
What oil ring design does the E-240X set use?
The oil ring is a 3-piece flex vent design and measures 0.1875 inch wide.
What signs can point to worn rings that the E-240X piston ring set would replace?
Blue exhaust smoke, oil use between changes or low compression can be signs of worn rings. A shop can run a compression test to measure it.
