Sealed Power E-640K piston ring set for the 2003-2006 Jeep Wrangler 4-cylinder 2.4L and other vehicles seals each cylinder and scrapes oil from its wall. The engine piston ring set has a Sealed Power piston ring for the top, second and oil positions of four cylinders.
- Latest-generation Plasma-Moly coating on the face of the top ring
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
Quick facts
- Part: Sealed Power E-640K piston ring set
- Also called: engine piston ring set
- Fits: 2003-2006 Jeep Wrangler 4-cylinder 2.4L and other vehicles
- Material: Steel with moly (top ring), grey iron (2nd ring)
- Condition: New
Worn rings can show up as oil consumption, blue exhaust smoke or lost compression. Worn valve stem seals, a clogged PCV system or scored cylinder walls can produce some of the same signs, so find the actual cause before buying rings. This listing is one set that covers all four cylinders of the 2003-2006 Jeep Wrangler 4-cylinder 2.4L.
Fits
This piston ring set is a direct-fit replacement for the 2002-2005 Jeep Liberty 4-cylinder 2.4L, the 1996-1997 Dodge Grand Caravan 4-cylinder 2.4L and many other vehicles, and it meets or exceeds OEM specifications. If your car isn't named here, open the "Vehicles it fits" section to match your exact model and engine.
Specifications
Fit and size
- Cylinder quantity: 4
- Oversized: No
- Ring widths: top 1.50 mm, second 1.50 mm, oil 3.00 mm (groove widths 1.5 x 1.5 x 3.0 mm)
Build and materials
- Top ring material: steel with moly
- 2nd ring material: grey iron
- 2nd ring face design: reverse torsional
- Oil ring design: 3 piece flex vent
- Condition: New
- Country of origin: United States
Interchange: C87544-STD
41676 · PR150B · 2M4734 · H640K
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
41676, PR150B, C87544-STD, 2M4734, H640K
Frequently Asked Questions
Is this Sealed Power piston ring set right for the 2003-2006 Jeep Wrangler 4-cylinder 2.4L?
Yes. Sealed Power E-640K is listed for the 2003-2006 Jeep Wrangler 4-cylinder 2.4L. For another car, open the "Vehicles it fits" section to match your exact model and engine.
What ring widths does this piston ring set use?
Sealed Power E-640K has a 1.50 mm top ring, a 1.50 mm second ring and a 3.00 mm oil ring, for groove widths of 1.5 x 1.5 x 3.0 mm. It is not oversized.
What are the top and second rings in this set made of?
The top ring is steel with moly and its face has a Plasma-Moly coating. The second ring is grey iron with a reverse torsional face.
How can I tell if piston rings are wearing out?
Burning oil, blue exhaust smoke and low compression can be signs of worn rings. Compression and leak-down testing is best left to a shop.
Does the number H640K interchange with this piston ring set?
Yes. H640K is one of the interchange numbers listed for Sealed Power E-640K.
