Sealed H653CP 40 engine piston for the 1977-1996 Ford F-150 V8 5.8L and other vehicles takes combustion force from the cylinder to the connecting rod. This is a cast set, 0.040 inch oversize.
- DUROSHIELD skirt-coated piston
- Moly-graphite coating reduces friction for higher fuel economy
- Helps protect against damage from inadequate lubrication on start-up
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in the top groove
Quick facts
- Part: Sealed H653CP 40 engine piston
- Fits: 1977-1996 Ford F-150 V8 5.8L and other vehicles
- Material: Hypereutectic
- Condition: New
Blow-by, a drop in compression or rising oil use can point to worn pistons or rings. Before you replace the pistons, have a shop find out where the compression loss comes from, since rings, valves and cylinder walls all take part in sealing.
Fits
The vehicles it fits include the 1977-1996 Ford F-250 V8 5.8L and the 1978-1996 Ford Bronco V8 5.8L, as well as the F-150 named above. The 1977-1996 Ford F-150 V8 5.8L takes eight. If your truck, van or car is not named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 8
- Oversize: 0.040 in
- Bore diameter: 4.0000 in
- Piston pin outside diameter: 0.9122 in (23.17 mm)
- Compression height: 1.765 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
- Head type: recessed
- Skirt coating: DUROSHIELD
- Condition: New
- Country of origin: Mexico
In the box
The piston set. Assembly lubricant is not included.
Interchange: P3046(8)040 · 224-2040.040
This part cross-references / interchanges with the following part numbers:
P3046(8)040, 224-2040.040
Frequently Asked Questions
Will the Sealed H653CP 40 pistons fit a 1977-1996 Ford F-150 with the 5.8L V8?
Yes. Sealed H653CP 40 fits the 1977-1996 Ford F-150 V8 5.8L and the 1977-1996 Ford F-250 V8 5.8L. For other vehicles, look up your own in the "Vehicles it fits" section.
What oversize are these pistons?
This set is 0.040 inch oversize. The bore diameter is listed as 4.0000 inch.
Are these pistons hypereutectic, and do they have a coating?
Yes. The piston material is hypereutectic, and each piston is DUROSHIELD skirt-coated with a moly-graphite coating.
Does this piston set come with assembly lubricant?
No. Assembly lubricant is not included, so it is bought separately.
Where do I find the piston-to-bore clearance for Sealed H653CP 40?
The minimum clearance is given in the Piston Fitting Information on the carton label that comes with Sealed H653CP 40.
