Ford Focus Pistons, Rings & Connecting Rods
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Mahle®Piston (S224-4010)Piston (S224-4010) by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$43.29 - Mahle®Piston Set (224-4054)Piston Set by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$70.27
- Mahle®Piston Ring Set (51874CP.030)Piston Ring Set (51874CP.030) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the industry....The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$30.59
- Mahle®Piston Ring Set (51724CP.030)Piston Ring Set (51724CP.030) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the industry....The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$44.45
- Mahle®Piston Ring Set (51724CP.020)Piston Ring Set (51724CP.020) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the industry....The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$44.45
- Mahle®Piston Ring Set (51724CP)Piston Ring Set (51724CP) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the industry. Current...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$44.45
- Mahle®Premium Piston Ring Set (42282CP.030)Premium Piston Ring Set (42282CP.030) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$91.09
- Mahle®Premium Piston Ring Set (42282CP.040)Premium Piston Ring Set (42282CP.040) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$91.09
- Mahle®Premium Piston Ring Set (42282CP.010)Premium Piston Ring Set (42282CP.010) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$101.32
- Mahle®Premium Piston Ring Set (42282CP.020)Premium Piston Ring Set (42282CP.020) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$91.09
- Mahle®Premium Piston Ring Set (42282CP)Premium Piston Ring Set (42282CP) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the industry....The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$101.70
- Mahle®Premium Piston Ring Set (41874CP.030)Premium Piston Ring Set (41874CP.030) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$29.96
- Mahle®Premium Piston Ring Set (41874CP.020)Premium Piston Ring Set (41874CP.020) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$29.96
- Mahle®Premium Piston Ring Set (41724.020)Premium Piston Ring Set (41724.020) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$39.18
- Mahle®Premium Piston Ring Set (41724.030)Premium Piston Ring Set (41724.030) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$39.18
- Mahle®Premium Piston Ring Set (42077CP.040)Premium Piston Ring Set (42077CP.040) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$70.50
- Mahle®Premium Piston Ring Set (42077CP.030)Premium Piston Ring Set (42077CP.030) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$70.50
- Mahle®Premium Piston Ring Set (42077CP)Premium Piston Ring Set (42077CP) by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the industry....The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$79.29
- Enginetech®Remanufactured Stock Connecting Rod (ECR217R)Remanufactured Stock Connecting Rod (ECR217R) by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$52.61
- Enginetech®Remanufactured Stock Connecting Rod (ECR212R)Remanufactured Stock Connecting Rod (ECR212R) by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$41.31
- Enginetech®Remanufactured Stock Connecting Rod (ECR212)Remanufactured Stock Connecting Rod (ECR212) by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$27.65
- Enginetech®Dish Top Engine Piston Set (P5018(4).75)Dish Top Engine Piston Set (P5018(4).75) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$57.90
- Enginetech®Dish Top Engine Piston Set (P5018(4)STD)Dish Top Engine Piston Set (P5018(4)STD) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$57.90
- Enginetech®Dish Top Engine Piston Set (P5034(4)STD)Dish Top Engine Piston Set (P5034(4)STD) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$74.66
- Enginetech®Dish Top Engine Piston Set (P5034(4).50)Dish Top Engine Piston Set (P5034(4).50) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$74.66
- Enginetech®Dish Top Engine Piston Set (P5018(4).50)Dish Top Engine Piston Set (P5018(4).50) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$57.90
- Enginetech®Dome Top Engine Piston Set (P3099(4)100)Dome Top Engine Piston Set (P3099(4)100) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$82.03
- Enginetech®Dome Top Engine Piston Set (P3099(4).75)Dome Top Engine Piston Set (P3099(4).75) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$82.03
- Enginetech®Dome Top Engine Piston Set (P3099(4).50)Dome Top Engine Piston Set (P3099(4).50) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$82.03
- Enginetech®Dome Top Engine Piston Set (P3099(4)STD)Dome Top Engine Piston Set (P3099(4)STD) by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons...$82.03
A piston is basically a moveable plug inside the cylinder. It has a gas-tight seal between its outer edge and the cylinder wall, so when the combustion gases expand, they push the piston down. Pistons are connected to the crankshaft via a connecting rod. All engine’s power comes from the forces that are pushing on the top of the piston. The engine with larger pistons and higher gas pressures will produce more power. The seal on the outer side of the piston has to fit tightly between the piston and the cylinder wall, while allowing the piston to move smoothly. For this purpose, pistons have very small clearances between themselves and the cylinder wall. This clearance is bridged by the piston ring.
What can happen in some Ford Focus models is piston 'burning'. Pistons can fail due to excessive heat in the combustion chamber. This can happen due to detonation or pre-ignition. Failed intake valve seats on some of Focus engines can ruin the pistons and cylinder walls. If you are planning a repair or rebuild job, get only reliable parts, such as Ford Focus pistons, rings & connecting rods gathered in our store. Made from premium quality materials, these replacements are designed to deliver unsurpassed reliability and strength.
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