What Are the Essential Procedures for a Piston Ring Set Service and Repair on Ford Focus?

The correct service and repair method for piston rings consists of standard procedures for evaluating all components including crankshaft and crankshaft bearings, camshaft and crankshaft bearings and cylinder head along with valve train (valves, seats, springs etc) and piston, piston pin, connecting rod and cylinder block and bore. The procedure for subassembly work includes servicing the cylinder head assembly followed by the piston assembly and the piston pin assembly and connecting rod assembly. Engine service and repair includes the steps required for both disassembly and assembly of the power unit. Not providing a dedicated service procedure for internal components suggests that manufacturers have omitted it but the service procedures needed appear in engine service and repair documents.

OEM Ford Focus Piston Ring Set

Piston Ring

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8 Piston Ring Sets found

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Ford Focus Piston Rings Part Number: CM5Z-6148-G
$28.69 MSRP: $40.70
You Save: $12.01 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Manufacturer Note: STD
- Replaces: CM5Z-6148-AB, CM5Z-6148-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2018 Ford Focus | S, SE, SEL, Titanium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
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Ford Focus Piston Rings Part Number: AG9Z-6148-D
$32.44 MSRP: $46.02
You Save: $13.58 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Replaces: AG9Z-6148-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2018 Ford Focus | ST | 4 Cyl 2.0 L GAS
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Ford Focus Piston Rings Part Number: AG9Z-6148-E
$123.93 MSRP: $180.40
You Save: $56.47 (32%)
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Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Replaces: AG9Z-6148-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2018 Ford Focus | ST | 4 Cyl 2.0 L GAS
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Ford Focus Piston Rings Part Number: 6S4Z-6148-A
$15.00 MSRP: $20.75
You Save: $5.75 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Replaces: F7CZ-6148-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2004 Ford Focus | LX, SE | 4 Cyl 2.0 L GAS
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Ford Focus Piston Rings Part Number: CM5Z-6148-E
$102.56 MSRP: $157.83
You Save: $55.27 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Manufacturer Note: 0.5MM O/S
- Replaces: CM5Z-6148-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2018 Ford Focus | S, SE, SEL, Titanium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
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Ford Focus Piston Rings Part Number: G1FZ-6148-A
$328.36 MSRP: $482.17
You Save: $153.81 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Manufacturer Note: STD
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Ford Focus | RS | 4 Cyl 2.3 L GAS
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Ford Focus Piston Rings Part Number: 3S4Z-6148-A
Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2004 Ford Focus | SE, Sony Limited Edition, SVT, ZTS, ZTW, ZX3, ZX5 | 4 Cyl 2.0 L GAS
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Ford Focus Piston Rings Part Number: G1FZ-6148-B
Product Specifications
- Other Name: Kit - Piston Ring; Piston Ring
- Manufacturer Note: 0.50MM O/S
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2017 Ford Focus | RS | 4 Cyl 2.3 L GAS

Ford Focus Piston Ring Set

OEM Piston Ring Set boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Piston Ring Set with long life and a perfect fit. Come to our website and find genuine Ford Focus parts. We keep a wide inventory of OEM Focus parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Particularly, the Piston Ring Set in the Ford Focus cars assures the closed structure of the combustion chamber to minimize gas leakage, heat exchange, and control of oil intake. These are usually of cast iron or steel material, and the selection is made depending on the small friction together with good sealing performances which is essential for the engine performance and durability. The trending Ford Focus models through the years have used different models of Piston Ring Sets, the modern Piston Ring Sets are thinner to promote low friction and better seal. Such thin wheels, used mostly with steel or ductile iron materials of construction, can include additional advanced coatings. This is consisted of two height compression rings and one low tension oil control ring per piston for maximum performance under various operational conditions. As applies to Piston Ring Set technology in the Ford Focus the continual the advancement is revealed as ongoing effort to increase total engine efficiency and minimise mechanical losses.

Ford Focus Piston Ring Set Parts and Q&A

Piston Rings
6S4Z-6148-A
Q: What Are the Essential Procedures for a Piston Ring Set Service and Repair on Ford Focus?
A:
The correct service and repair method for Piston rings consists of standard procedures for evaluating all components including Crankshaft and crankshaft bearings, camshaft and crankshaft bearings and cylinder head along with valve train (valves, seats, springs etc) and piston, piston pin, connecting rod and cylinder block and bore. The procedure for subassembly work includes servicing the cylinder head assembly followed by the piston assembly and the piston pin assembly and connecting rod assembly. Engine service and repair includes the steps required for both disassembly and assembly of the power unit. Not providing a dedicated service procedure for internal components suggests that manufacturers have omitted it but the service procedures needed appear in engine service and repair documents.