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Cylinder Base Gasket for CSC TT250 SG250 250cc
Original replacement component for CSC TT250 and SG250. This part is identified by CSC ZT57-115 and Zongshen manufacturer code 100300400.
What This Part Does and Why You Might Need It
Seals the cylinder base where it joins the engine crankcase. A damaged gasket may permit oil seepage; surface condition and correct assembly are essential.
OEM Identification and Specifications
- CSC SKU: ZT57-115
- Zongshen manufacturer reference (2026 stock export): 100300400
- Product type: Cylinder base gasket
- Position: Cylinder block to crankcase
- Zongshen OEM number 100300400; base gasket fits below the TT250/SG250 cylinder block; sold individually
Fitment and Important Ordering Details
Cataloged CSC applications: TT250 and SG250. This is one individually sold component, unless the description explicitly identifies a multi-piece assembly. Match the original part number, shape and dimension before ordering. Similar CG125/CG200/CG250 parts can vary by design and production revision; no unverified model compatibility is claimed.
- Brand: Pirate Mfg
- Condition: New
- SKU: ZT57-115
- Manufacturer Part Number: 100300400
- Part Type: Cylinder base gasket
- Model: TT250; SG250
- Make: CSC Motorcycles
- Fitment Notes:: Factory parts books identify ZT57-115 / 100300400 for CSC TT250 and SG250. Confirm exact model, year and manufacturer number before purchase. Do not equate similar dimensions with verified interchange.
- Country of Manufacture: China
- Performance Part: No
- Items Included: Cylinder base gasket
- Number of Pieces: 1
- Country of Origin: China







