Blue Line Oil Seal (27x42x7mm) - GY6 125/150cc & 50cc 139QMB

This replacement outer shaft oil seal fits CSC go, go MAX, Bella Classic 50, Pug 50, and Nitro Sport 50 scooters, and bikes running 139QMB and GY6 engines.

Original Parts For Scooters SKU 151-57, SKU 164-155

Specifications:

• Inner Diameter: 27mm
• Outer Diameter: 42mm
• Thickness: 7mm

139QMB-based 50cc / 80cc engines with the following engine codes:

157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:

Don't see your engine listed? If the engine code includes "QM" or "FM," this product is compatible with your vehicle.

About CSC: Chicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.

• OEM-spec replacement oil seal
• Fits 139QMB 50cc/80cc and GY6 125cc/150cc/169cc engines
• Prevents oil leaks at crankshaft and transmission shaft
• Compatible with wide range of Chinese scooter brands
• Direct drop-in replacement — no modification required

Inner Diameter: 27mm | Outer Diameter: 42mm | Thickness: 7mm | Material: Rubber | Type: Shaft Oil Seal

Brands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator, Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng, Zhilong, Geely, Wangye, ZH and more