Standard size Complete Piston Set 2019-2021 Mazda 2.0L
Standard size Complete Piston Set 2019-2021 Mazda 2.0L
Part number: P4388A
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Listed for: 2019β2021 MazdaFitment notes & questions
Standard size Complete Piston Set for the 2019β2021 Mazda with the 2.0L engine. Worn rings show up as oil burning, blow-by and low compression. Part number: P4388A.
Key features
- Made for One Set Services Complete Engine. engines
- Available in 2 size options
Specifications
- Part type: Piston
- Part number: P4388A
- Engine: 2.0L
- Engine code: One Set Services Complete Engine.
Options
- Size: Standard, Oversize .020 in. (.50mm)
Fitment for the 2019β2021 Mazda
Listed for the 2019β2021 Mazda with the 2.0L engine. Check your year, model and trim against the title before you order.
What it does
Pistons and rings seal the combustion chamber and turn pressure into motion. Using the correct part for your exact engine keeps oil pressure, sealing and timing where the engine was designed to run, and doing related parts at the same time saves taking it apart twice.
Installation & tips
- Check ring end gaps in the bore before installation and stagger the gaps.
- Bearings: Rod and main bearings are usually replaced at the same time.
- Gasket set: The engine comes apart for this job.
- Put the new part next to the old one and compare the shape, mounting points and connections before you install it.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
What is the part number of this standard size complete piston set?
P4388A. Compare it with the number on your old part or in your parts catalog.
Which engine is it for?
It is listed for the 2.0L One Set Services Complete Engine. engine in the 2019β2021 Mazda. Check the engine code on your vehicle if it was offered with more than one engine.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
Before you order
- Confirm your year, make, model, engine and trim match the fitment listed above (2019β2021 Mazda 2.0L).
- Compare part number P4388A with your original part.
Good to know
- Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

About this piston for the Mazda
Piston and ring size depends on the bore, so match them to your block after it is measured.
Fitment notes
- Listed for: 2019β2021 Mazda.
- Model years: 2019β2021. If your year sits at the edge of the range, check the details above.
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Bearings. Rod and main bearings are usually replaced at the same time.
- Gasket set. The engine comes apart for this job.
More for your car: Pistons Β· Mazda Parts Β· All Pistons Β· Engine
Questions about Mazda pistons
Will this fit my Mazda?
Standard or oversize?
Where do specs and warranty details come from?
Questions & answers
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