Sealed Power H518CP engine piston for the 1990 Chevrolet C1500 V8 7.4L and other vehicles carries combustion force from the cylinder to the connecting rod. This cast piston set uses hypereutectic material and a recessed head.
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in top groove
- DUROSHIELD® skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction for higher fuel economy
- Prevents damage from inadequate lubrication on start-up
Quick facts
- Part: Sealed Power H518CP engine piston
- Fits: 1990 Chevrolet C1500 V8 7.4L and other vehicles
- Material: Hypereutectic
- Condition: New
Heavy oil use, excess blow-by or lost compression can mean worn pistons, though worn piston rings or a damaged cylinder wall can bring on the same signs, so find the cause before replacing.
Fits
This V8 7.4L piston set suits the 1990 Chevrolet C1500 V8 7.4L, the 1970-1976 Chevrolet Impala V8 7.4L and the 1983-1986 GMC C3500 V8 7.4L, along with many other Chevrolet, GMC and Pontiac models. This listing is a piston set, and the 1990 Chevrolet C1500 V8 7.4L takes eight. If your vehicle isn't named here, look for its year, make and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 8
- Oversized: no
- Bore diameter: 4.2500 in
- Piston pin outside diameter: 0.9894 in (25.131 mm)
- Compression height: 1.625 in
- Pin offset: 0.06 in (1.524 mm)
- Ring thickness: top and second compression 0.0781 in, oil 0.1875 in
Build and materials
- Type: cast piston set
- Piston material: Hypereutectic
- Piston head type: Recessed
- Skirt: DUROSHIELD® coated
- Condition: New
- Country of origin: India
In the box
One engine piston set. Assembly lubricant is not included.
Installation notes
- Piston fitting information, including minimum clearance, is printed on the carton label.
Interchange: P5019(8)STD
P550H · P550HSTD · 9H3403 · TC2707 · 2242707 · 1252P · H3403
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
P550H, P550HSTD, 9H3403, TC2707, 2242707, P5019(8)STD, 1252P, H3403
Frequently Asked Questions
Is this Sealed Power engine piston right for the 1970-1976 Chevrolet Impala V8 7.4L?
Yes, Sealed Power H518CP fits the 1970-1976 Chevrolet Impala V8 7.4L. For another year or model, look in the "Vehicles it fits" section.
Are these Sealed Power hypereutectic pistons coated?
Yes. Sealed Power H518CP has a DUROSHIELD® skirt-coated piston, and the set reduces friction for higher fuel economy.
Is assembly lubricant included with the Sealed Power pistons?
No. This piston set does not include assembly lubricant.
What is the bore diameter of the H518CP pistons?
This piston set has a bore diameter of 4.2500 in and a piston pin outside diameter of 0.9894 in (25.131 mm). The set is not oversized.
Where do I find the minimum clearance for these Sealed Power cast pistons?
Sealed Power H518CP pistons list their fitting information, including minimum clearance, on the carton label.
