8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Castrol Go! 4T Motor Oil 20W50 Conventional 1 qt (US)

Castrol Go! 4T Motor Oil 20W50 Conventional 1 qt (US)

Part #: CAS 104
Line: Castrol

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Features & Benefits

Warranty: Standard : No Warranty, Expressed or Implied


Castrol GO! 4T is a high quality engine oil designed for 4-stroke motorcycles. Developed with Castrol’s expertise in motorcycle lubricant design, it has Castrol’s TRIZONE TechnologyTM for a trouble-free ride time after time. Castrol’s TRIZONE TechnologyTM protects the engine, clutch and gears and allows the best functionality of these three critical areas of the motorcycle. Suitable for all makes of 4-stroke motorcycles, both carburetor or fuel injected. Always follow the vehicle manufacturer’s recommendations. Exceeds industry specifications API SG and JASO MA-2.

  • Provide maximum protection against viscosity and thermal breakdown
  • Meets: API SG, JASO MA2
  • Specialized additives help prevent against ring sticking and build-up of harmful deposits
  • Delivers superior engine wear protection and high film strength for high revving motorcycle engines


Container Size 1 qt (US)
Synthetic No
API Rating SG
Manufacturer Part Number 6102
High Mileage Formula No
Sub Brand Go! 4T
VMRS Code 053-999-016
Weight Rating 20W50
Brand Castrol
Motor Oil Style and Type Conventional
Approved Motor Oil Specification JASO MA-2
Contains VOCs Yes
Manufacturer Castrol
SDS Required Yes

Safety Information

Vehicle Fitment Guide

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