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2.0L F4R DOHC 16V L4 Steel Piston Rings Replacement , Industrial Piston Rings E4909

Categories Engine Piston Ring
Brand Name: Ford / Mercury
Model Number: E4909
Certification: ISO9001 / ISO14001
Place of Origin: China
MOQ: 100 sets, sample is also available
Price: negotiation
Payment Terms: 30% deposit, balance the complete payment before shipment
Supply Ability: 20000 sets per day
Delivery Time: 45-60 days
Packaging Details: Neutral Packge, or according to the customer
Product Name: Piston Ring
Part Number: E4909
Other Number: 4909
Dimensions: 10.5*10.5*4 CM
Weight: 0.16 KG
Condition: New
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    2.0L F4R DOHC 16V L4 Steel Piston Rings Replacement , Industrial Piston Rings E4909


    Piston Ring for 2.0L RENAULT DOHC 16V MEGANE - SCENIC 01 - 03 Renault Scenic Megane 2.0 L F4R DOHC​


    Product Component: 82.7mm(STD)Hastings Pistons Rings Set
    SET OF RINGS FOR 4 PISTONS
    1st Ring Size 1.2mm
    2nd Ring Size 1.5mm
    Oil Ring Size 2.0mm


    Car Application:


    2001 - 2003 Renault Megane 2.0L 1998CC 122Cu. In. l4 GAS DOHC Naturally Aspirated

    2001 - Renault Scenic 2.0L 1998CC 122Cu. In. l4 GAS DOHC Naturally Aspirated

    2003 - Renault Scenic 2.0L 1998CC 122Cu. In. l4 GAS DOHC Naturally Aspirated



    What is a piston ring


    A piston ring is a split ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as aninternal combustion engine or steam engine.


    Most automotive pistons have three rings: The top two while also controlling oil are primarily for compression sealing (compression rings); the lower ring is for controlling the supply of oil to the liner which lubricates the piston skirt and the compression rings (oil control rings). At least two piston rings are found on most piston and cylinder combination. Typical compression ring designs will have an essentially rectangular cross section or a keystone (right angled trapezoidal) cross section. The periphery will then have either a barrel profile (top compression rings) or a taper napier form (second compression rings or scraper rings). There are some taper faced top rings and on some old engines simple plain faced rings were used.


    Lubrication of piston rings is difficult and has been a driving force to improvements in the quality of motor oil. The oil must survive high temperatures and harsh conditions with a high-speed sliding contact. Lubrication is particularly difficult as the rings have an oscillating motion rather than continuous rotation, as for a bearing journal. At the limits of piston movement, the ring stops and reverses direction. This disrupts the normal oil wedge effect of a hydrodynamic bearing, leading to pronounced wear and the formation of a 'step' in the cylinder bore around the height of the upper ring. Noting that some sleeve valve engines suffered far less from such wear, complex designs such as a rotating cylinder liner have been considered, just to address this problem.


    Piston Rings critical quality


    The piston might be a fairly loose fit in the cylinder. If it were a tight fit, it would expand as it got hot and might stick tight in the cylinder. If a piston sticks (seizes) it could cause serious damage to the engine. On the other hand, if there is too much clearance between the piston and cylinder walls, much of the pressure from the burning gasoline vapour will leak past the piston (a condition known as blow-by) and into the crankcase, and the push on the piston from combustion will be much less effective in delivering power.


    Product Description


    Maojia Industry’s premium piston rings are manufactured from the highest quality materials and superior steel, covering the most popular applications in the global aftermarket. Maojia Industry’s piston rings are designed to meet OE standard with the perfectly match for each application.


    Maojia Industry’s piston rings advantages


    1. Years of OEM experience in China and overseas.


    2. High quality material and superior steel.


    3. Specification perfectly match different engine.


    4. Experienced engineers and technical team.


    5. Advanced manufacturing equipment, R&D software and test machine.


    6. 100% tested for size and performance before shipment.


    Quality 2.0L F4R DOHC 16V L4 Steel Piston Rings Replacement  , Industrial Piston Rings E4909 for sale
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