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GM 25198520 Piston,Engine

2011-2021 GM

Customer Questions & Expert Answers (2)
GM 25198520 Piston,Engine
  • Part Description
    PISTON,ENG
  • Replaces
    55577096, 55580184
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number25198520
    Part DescriptionPISTON,ENG
    Other NamesPiston
    Item Dimensions6.6 x 4.4 x 4.3 inches
    Item Weight1.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces55577096, 55580184
    ManufacturerGeneral Motors
    SKU25198520
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2013-2021 Buick Encore4 Cyl 1.4LCX 4 DOOR SPORT UTILITY, CXL 4 DOOR SPORT UTILITY
    2011-2016 Chevrolet Cruze4 Cyl 1.4LLT / LTZ 4 DOOR NOTCHBACK, LT 4 DOOR NOTCHBACK
    2012-2020 Chevrolet Sonic4 Cyl 1.4L4 DOOR HATCHBACK, 4 DOOR NOTCHBACK, LS 4 DOOR NOTCHBACK/SEDAN, LT 4 DOOR NOTCHBACK/SEDAN, LT 5 DOOR HATCHBACK, LTZ 4 DOOR NOTCHBACK/SEDAN, LTZ 5 DOOR HATCHBACK, RS 4 DOOR NOTCHBACK/SEDAN, RS 5 DOOR HATCHBACK
    2015-2021 Chevrolet Trax4 Cyl 1.4LLS 4 DOOR SPORT UTILITY, LT 4 DOOR SPORT UTILITY, LTZ 4 DOOR SPORT UTILITY
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 25198520 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What steps should be taken before removing the piston and connecting rod assemblies on Chevrolet Cruze? Posted by Customer
    A:
    Before the piston and connecting rod assemblies can be taken out, the cylinder head and oil pan have to be first detached. You should also run your fingernail across the top end of ring travel; any ridge that is formed must be trimmed by the use of a reamer since failure to do so is likely to cause a breakage of the piston. Then, retract all the ridges then rotate the engine in such a manner that the crankshaft will be at the uppermost position. Measure the amount of end play of connecting rod with the help of feeler gauges and check that the amount should lie within the boundary line: if there is cross then new connecting rods are required. It is possible to mark some of the connecting rods and caps for identification and then loosen the connecting rod cap bolts together with the cap itself, being extremely careful not to drop the bearing insert. Withdraw the connecting rod and piston assembly through the top of the engine if necessary using a wooden dowel for piston expulsion and do the same for the remaining cylinders. Once removed screw back the caps and inserts in order to avoid further damage during examination. If you are going to put new piston rings, ensure that the ring end gaps are correct and also the side clearance of the piston ring. Place the pistons with the rings in the cylinder block beginning by the oil control ring then the second and third ring. At final assembly, the cylinder walls should be clean, the edges of the cylinder should be chamfered and the crankshaft should be fitted. Do not lubricate the bearing inserts during the cleaning and replacement process as well as alignment of the piston ring gaps, and additionally for the lubrication of the piston and rings use only a piston ring compressor for the installation. Verify the oil clearance of the connecting rod bearing using Plastigage obtaining the right size and condition of the bearing inserts. Once the clearance is confirmed apply the grease to the bearing faces; fit the rod cap with new bolts and tighten to the desired torque figure. The same must be done for all the assemblies, always cleaning them and checking their orientation during the entire course of the activity. Last but not the least, turn the crankshaft and look for binding and at the same time inspect and adjust for connecting rod endplay.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 25198520, the Right Choice

To ensure reliability, purchase GM part # 25198520 Piston,Engine. It is sometimes referred to as GM Piston. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Encore models. It fits Chevrolet Cruze, Sonic, Trax.

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