SKU: 45478513121

2021-2023 Gas Gas EX 300 Cylinder Piston Top End Kit 55630038100 55730138000

$159.70 $177.44
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Description

2021-2023 Gas Gas EX 300 Cylinder Piston Top End Kit 55630038100 5573013800072mm Cylinder Piston Gasket Top End Rebuild Kit For EXC XC XC W 300 TPI 2019 2022 Features: If your cylinder blows through, or a piston seizure has occurred, then this kit is exactly the right thing for you. Kit includes cylinder, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Piston is anodized for superior heat resistance and longer lifespan. The gaskets use performance materials to increase durability and provide

72mm Cylinder Piston Gasket Top End Rebuild Kit For EXC / XC / XC-W 300 TPI 2019-2022

Features:
If your cylinder blows through, or a piston seizure has occurred, then this kit is exactly the right thing for you.
Kit includes cylinder, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured).
Piston is anodized for superior heat resistance and longer lifespan.
The gaskets use performance materials to increase durability and provide greater reliability.
Includes all gaskets pictured to rebuild top end.
Kit is for standard bore size - 72.0 mm, 18mm steel piston pin.
This kit is excellent as a low-cost replacement for defects in the original cylinder.

Specifications:
Condition: Aftermarket 100% Brand New
Quantity: 1 Set
Material: Aluminum
Displacement: 300cc
Engine: 2-Stroke
Bore Type: Standard Bore
Bore diameter: STD 72mm
Pin diameter: 18mm
Pin Overall Length: 56mm

Replacement Part Number:
Cylinder and Piston: 55630038100, 55730138000
Piston Kit: 55630307100
Cylinder Base Gasket: 55430030040
Left Control Cover Gasket: 55537006000
Right Control Cover Gasket: 55537008000
Pin, Piston: 55430033000
Piston Ring Set (Std): 54830132000
Circlips, piston (2): 54830074000
Intake Manifold Gasket: 54830062200
Exhaust Gasket: 0770440030

(Always compare part numbers to your parts schematics and cross reference appropriately.)
(This is NOT a genuine Part, OEM part numbers are included for product type identification and comparison only.)

Fits Make/Model/Year:
Only fits fuel injected TPI two-stroke engines.
Fit for 300 XC TPI 2019-2022
Fit for 300 EXC Six Days TPI 2019-2022
Fit for 300 EXC TPI 2019-2022
Fit for 300 XC-W TPI 2019-2022
Fit for 300 XC-W Six Days TPI 2019-2022
Fit for Gas Gas EC 300 2021-2023
Fit for Gas Gas EX 300 2021-2023
Fit for Husqvarna TE 300 TPI 2019-2023
Fit for Husqvarna TX 300 TPI 2019-2022

(Compatibility Chart is for Reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)

Package Includes:
1x Cylinder
1x Piston
1x Piston Ring Set
1x 18mm Wristpin
1x Circlip(2)
1x Cylinder Base Gasket
1x Intake Manifold Gasket
1x Left Control Cover Gasket
1x Right Control Cover Gasket
1x Intake Manifold Gasket
2x Exhaust Gasket:
O-Ring Kit

(Comes exactly as pictured.)

Note:
Carefully compare to your old parts to be sure this is the correct part for your machine.

The product on offer is an accessory or spare part and thus is not an original product of the vehicle manufacturer.
The name of the vehicle manufacturer is stated only as an indication of the determination of the product being offered as an accessory or spare part, to clarify, for which vehicle the product on offer Fits.

Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45478513121

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Bill
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Will help you sleep.
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Reviewed in the United States on October 8, 2016
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Reviewed in the United States on April 2, 2026
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N. Hannah
Phoenix, US
★★★★★ 5
Source Naturals Melatonin is the best!
My husband and I have been using Source Naturals Melatonin for almost 25 years. I have tried a few other brands, and I definitely think Source Naturals is the best! I once saw a program on Discovery channel about how Melatonin is an important heart antioxidant, and that after age 40 the Melatonin in our system goes way down. We had also just moved to a high altitude town, and I was having great difficulty sleeping because of the high altitude. We started taking Source Naturals Melatonin, and I was able to sleep like a baby. I really recommend the time release especially, and we also take a 1 mg sublingual lozenge to fall asleep more quickly.
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Reviewed in the United States on August 27, 2017
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Tausha Porter
Phoenix, US
★★★★★ 5
Well researched information
Format: Paperback
It's carefully researched by an intelligent and qualified individual. Sources are all listed for people who want to do their own research.
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Reviewed in the United States on April 16, 2026
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Kevin Mack
Chelsea, US
★★★★★ 5
The Three (3) Pillars of my bedrock testimony have been destroyed
Format: Paperback
Having been born and reared in the Church, it was not merely a "church," but it was "The Only True Church on the Face of the Earth." It was my identity, I served a misson, Branch President, H.P., Stake Mission President, sending my son on his mission next week, so imagine my sense of betrayal, and the helplessness and confusion I felt after reading this book. My three (3) pillars were: (1) a young man may spawn a lie, for personal motivations, but he can still be a Prophet, and nobody would carry a lie so far as to be killed for it; (2) No man could have written the Book of Mormon; and (3) the Temple Ceremony is so sacred and unusual that it could not have been imagined or contrived. Well, this most carefully documented, carefully written, carefully researched book, has all but destroyed my pillars. Fawn Brodie, Niece of the Prophet, David O. McKay, has done meticulous research and I have searched for but never found or read an official LDS Church response or debunking of it; I've searched the BYU F.A.R.M.S. site hoping for an academic, honest review of her evidence and hoping to find that Ms. Brodie's research was flawed or dishonest. But despite my motivations and wide-spread search, I have never read a criticism of her sources, or documented proof that her research is false, or that her conclusions are false, only that she had an agenda and some of her conclusions are specious and not well supported. Well, that is simply disengenuous criticism. To say that Ms. Brodie can only prove "A, B, C, and D," but "jumps" to a conclusion that "E" exists, is simply blind faith ignorance and dishonest academia. This book constitutes the "mysteries," that the Church teaches its members to stay away from. But it is hardly a mystery. This book explains with a clarity and insight never-before heard by an LDS member, how Joseph Smith wrote the Book of Mormon, how he practiced polygamy before receiving the alleged revelation; why he was tarred and feathered; exactly where the Temple signs and symbols came from; the extent Joseph would go to protect his power and authority, and many more "mysteries." No active member of the Church should read this book lest their eyes be opened. It hurts! Truth is not pleasant sometimes, why should it be. I just wanted it "straight," I didn't want to be lied to any longer. If the Church simply said, "we're a good church, doing good deeds, helping the poor, please give your tithes to help us, I would most certainly go. But the Church says, "we are the only true and living church on the face of the earth." To me, that's a challenge to find out for myself, which I did. Now, I am a "mormon in recovery." My entire belief system, every single word I've ever been taught, is a lie. I am undone. Now I must look to God, for answers that I thought only the LDS Church had.
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Reviewed in the United States on August 3, 2006

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