Sealed Power H675CP engine piston for the 1989-1995 Ford Thunderbird V6 3.8L and other vehicles transfers combustion force to the connecting rod. These Sealed Power hypereutectic pistons come as a cast set with a recessed head.
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in the top groove
- DUROSHIELD skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction to support fuel economy
- Designed to prevent damage from inadequate lubrication on start-up
Quick facts
- Part: Sealed Power H675CP engine piston
- Fits: the 1989-1995 Ford Thunderbird V6 3.8L and other vehicles
- Material: Hypereutectic
- Condition: New
Worn pistons or rings can show up as blue exhaust smoke, rising oil use or low compression. Worn rings, valves or bores give some of the same symptoms, so with the engine disassembled, measure the bores against the 3.8110 in spec and look for scoring before you replace the pistons.
Fits
It fits the 1989-1995 Ford Thunderbird V6 3.8L and the 1989-1990 Mercury Cougar V6 3.8L, and both cars take six pistons.
Specifications
Fit and size
- Quantity per vehicle: 6
- Bore diameter: 3.8110 in
- Piston pin outside diameter: 0.9122 in (23.17 mm)
- Compression height: 1.607 in
- Pin offset: 0.03 in (0.762 mm)
- Top and second compression ring thickness: 1.50 mm
- Oil ring thickness: 4.00 mm
Build and materials
- Piston material: Hypereutectic
- Construction: cast piston set
- Piston head type: Recessed
- Skirt coating: DUROSHIELD
- Oversized: No
- Condition: New
- Country of origin: Mexico
In the box
One engine piston set. Assembly lubricant is not included.
Installation notes
- Minimum clearance: see the piston fitting information on the carton label.
Interchange: P3017(6)STD
P788 · P788STD · P818H · 1361P · F2SZ6108A · F4SZ6108A · ZH3399G · ZH3399GSTD
This part cross-references / interchanges with the following part numbers:
P788, P788STD, P818H, P3017(6)STD, 1361P, F2SZ6108A, F4SZ6108A, ZH3399G, ZH3399GSTD
Frequently Asked Questions
Does the Sealed Power H675CP fit the 1989-1990 Mercury Cougar V6 3.8L?
Yes. Sealed Power H675CP fits the 1989-1990 Mercury Cougar V6 3.8L and the 1989-1995 Ford Thunderbird V6 3.8L, and both cars take six pistons.
Does this set of Sealed Power pistons include assembly lubricant?
No. Assembly lubricant is not included with this piston set, so it has to be bought separately.
Is this Sealed Power engine piston a standard size or oversized?
This piston set is not oversized. Sealed Power H675CP has a 3.8110 in bore diameter and retains standard ring gaps in the top groove.
Are Sealed Power cast pistons like the H675CP coated?
Yes. The H675CP is a DUROSHIELD skirt-coated piston, and its moly-graphite coating is there to reduce friction.
Does Sealed Power H675CP replace number F4SZ6108A?
Yes. Sealed Power H675CP is listed as a replacement for F4SZ6108A, and also for P788 and ZH3399G.
