Sealed Power E-300K piston ring set for the 1971-1974 Pontiac Laurentian V8 7.5L and other vehicles seals combustion pressure and wipes oil off the cylinder walls. Each Sealed Power piston ring in the set meets or exceeds OEM specifications.
- Sealed Power Vintage line for classic engine rebuilds
- Plasma-Moly coating on the face of the top rings decreases friction
- Top ring faces are very resistant to scuffing
- Exacting tolerances across the ring set
Quick facts
- Part: Sealed Power E-300K piston ring set
- Also called: engine piston ring set
- Fits: 1971-1974 Pontiac Laurentian V8 7.5L and other vehicles
- Condition: New
Oil burning, blue exhaust smoke and a drop in power can mean the rings are worn, and some shoppers search for this part as an engine piston ring set. Worn valve stem seals or valve guides can be behind oil burning too, so find the cause before buying rings.
Fits
The 1971-1974 Pontiac Laurentian V8 7.5L, the 1970-1974 Pontiac LeMans V8 7.5L and the 1970-1974 Pontiac Parisienne V8 7.5L take this ring set, and so do many other Pontiacs. Each takes one set, which covers eight cylinders. If your car is not named here, look up its year and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Cylinders covered: 8
- Quantity per vehicle: 1 set
- Oversized: No
Build and materials
- Top ring face: Plasma-Moly coating
- Condition: New
- Country of origin: United States
Interchange: M41558-STD
300K · 40962 · 2106149 · 478814 · 8138 · 2M643 · PS1814 · S1814 · T8234MX
This part cross-references / interchanges with the following part numbers:
300K, 40962, 2106149, M41558-STD, 478814, 8138, 2M643, PS1814, S1814, T8234MX
Frequently Asked Questions
Does the Sealed Power E-300K fit a 1970-1974 Pontiac LeMans V8 7.5L?
Yes. The Sealed Power E-300K fits the 1970-1974 Pontiac LeMans V8 7.5L and the 1971-1974 Pontiac Laurentian V8 7.5L. The "Vehicles it fits" section lists the other Pontiac years and models.
What coating is on the top rings of this Sealed Power piston ring set?
The faces of the top rings on the Sealed Power E-300K have a Plasma-Moly coating. It decreases friction and resists scuffing.
Is the E-300K an oversized ring set?
No. This ring set is listed as not oversized, and one set covers all eight cylinders of a V8 7.5L engine.
Can oil burning and blue exhaust smoke mean the rings are worn?
Yes, they can. Oil consumption, blue exhaust smoke and a drop in power are signs of worn rings, and a shop can test compression to confirm.
Does part number 2106149 interchange with this ring set?
Yes. 2106149 is one of the numbers the Sealed Power E-300K replaces, along with M41558-STD and 300K.
