Sealed Power 466NP piston set for the 1977-1979 Buick Electra V8 6.6L and other vehicles carries combustion pressure down to the connecting rods. Also listed as an engine piston set, these Sealed Power cast pistons are made of cast aluminum.
- Sealed Power Vintage line for classic engine rebuilds
- Cast with FM132 eutectic proprietary alloy
- Standard size, not oversized
- Recessed piston head
Quick facts
- Part: Sealed Power 466NP piston set
- Also called: engine piston set
- Fits: 1977-1979 Buick Electra V8 6.6L and other vehicles
- Material: Cast aluminum
- Condition: New
Blue exhaust smoke, oil use or a knock from the engine can mean worn pistons, though worn piston rings or leaking valve seals can be behind those signs too.
Fits
The 1977-1979 Buick Electra V8 6.6L, the 1977-1979 Buick Estate Wagon V8 6.6L and the 1977-1979 Oldsmobile 98 V8 6.6L are among the cars this piston set fits. A 1977-1979 Buick Electra V8 6.6L takes eight pistons. Different car? Look it up in the "Vehicles it fits" section. OEM specifications are met or exceeded by this piston set.
Specifications
Fit and size
- Bore diameter: 4.3510 in
- Piston pin outside diameter: 0.9804 in (24.902 mm)
- Compression height: 1.595 in
- Pin offset: 0.06 in (1.524 mm)
- Top and second compression ring thickness: 0.0781 in
- Oil ring thickness: 0.1875 in
- Quantity per vehicle: 8
Build and materials
- Material: Cast aluminum
- Piston head type: Recessed
- Condition: New
- Country of origin: India
In the box
The piston set. Assembly lubricant is not included.
Interchange: P1596(8)
P411 · P411STD · 91635 · TC2038 · 2242038 · 1122P · 22501478 · 554908 · 556265 · 564000 · P2239AX · 8635P · 1635 · L3067F
This part cross-references / interchanges with the following part numbers:
P411, P411STD, 91635, TC2038, 2242038, P1596(8), 1122P, 22501478, 554908, 556265, 564000, P2239AX, 8635P, 1635, L3067F
Frequently Asked Questions
Are Sealed Power pistons 466NP right for the 1977-1979 Oldsmobile 98 V8 6.6L?
Yes, Sealed Power 466NP fits the 1977-1979 Oldsmobile 98 V8 6.6L and other cars; if yours is a different one, look for it in the "Vehicles it fits" section.
Does the Sealed Power piston set 466NP come with assembly lubricant?
No. The Sealed Power 466NP piston set does not include assembly lubricant.
What bore size is the Sealed Power engine piston 466NP made for?
This piston set is made for a 4.3510 in bore. It has a 0.9804 in (24.902 mm) piston pin outside diameter and a 1.595 in compression height.
Does this piston set replace the P411STD number?
Yes. P411STD is one of the interchange numbers listed for this piston set, along with P411, 91635 and others on the Interchange line.
Is the 466NP cast aluminum piston set oversized?
No. This piston set is not oversized, and its cast aluminum pistons have a recessed head.
