Sealed Power Engine Piston Ring Set P/N:E-991K
Sealed Power E-634K piston ring set for the 1993-1999 Chevrolet C1500 V8 5.0L and other vehicles seals each piston against its cylinder wall. Every Sealed Power piston ring in the engine piston ring set meets or exceeds OEM specifications.
Worn rings can show up as oil burning, blue exhaust smoke or lower compression. Those signs alone do not prove the rings are at fault, because worn valve stem seals can also let oil burn.
Vehicles it fits include the 1993-1999 Chevrolet C1500 V8 5.0L, the 1993-1999 Chevrolet K1500 V8 5.0L and the 1996-2002 Chevrolet Express 1500 V8 5.0L. The 1996-2002 Chevrolet Express 1500 V8 5.0L takes one set. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
Interchange: M37458-STD
41752 · 12518282 · 2M4742 · 41137CP
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Is this Sealed Power piston ring set E-634K right for the 1993-1999 Chevrolet C1500 V8 5.0L?
Yes, Sealed Power E-634K fits the 1993-1999 Chevrolet C1500 V8 5.0L and the 1993-1999 Chevrolet K1500 V8 5.0L. Open the "Vehicles it fits" section to check other models.
What bore size is the E-634K ring set made for?
The Sealed Power E-634K is sized for a 3.7360 inch bore and is not oversized. Its ring groove widths are 5/64 x 5/64 x 3/16 inch.
What are the top and second rings made of?
The top ring is steel with moly, and its face is coated with Plasma-Moly to decrease friction. The second ring is grey iron with a reverse torsional face.
What signs can point to worn piston rings in an engine this set fits?
Oil burning, blue exhaust smoke and lower compression can be signs of worn rings. A shop can confirm with a compression or leak-down test.
What kind of oil ring does this set have?
The oil ring is a 3-piece flex vent design, 0.1875 inch wide.
No reviews yet — be the first to review this product.
Write a Review
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.