
Yamaha
Yamaha GJ3-6778B-00-00 Oil Filler Cap OEM
★★★★★
Ensure Proper Maintenance with Yamaha Oil Filler Cap This is a new OEM YAMAHA Cap Oil Filler. OEM Part Number GJ3-6778B-00-00. Message us with VIN/HULL for fast fitment verification. Specifications: Brand: Yamaha Model: GJ3-6778B-00-00 Part Number: GJ3-6778B-00-00 Type: Cap, Oil Fil...
$19.90*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Ensure Proper Maintenance with Yamaha Oil Filler Cap
This is a new OEM YAMAHA Cap Oil Filler. OEM Part Number GJ3-6778B-00-00. Message us with VIN/HULL for fast fitment verification.
Specifications:
- Brand: Yamaha
- Model: GJ3-6778B-00-00
- Part Number: GJ3-6778B-00-00
- Type: Cap, Oil Filler
Specifications
Part Number
GJ3-6778B-00-00
Type
Oil Filler Cap
Brand Type
OEM
Pros & Cons
👍 Pros
- As an OEM part, it ensures perfect fit and function for compatible Yamaha models.
- Designed to meet original factory specifications, maintaining the vehicle's integrity.
- Using an OEM cap helps prevent oil leaks and maintain proper engine pressure.
- Made with durable materials to withstand engine heat and vibration over time.
- A simple and straightforward replacement part, requiring minimal effort for installation.
- Ensures that the oil filler neck remains sealed, protecting the engine from contaminants.
👎 Cons
- Only compatible with Yamaha models that use part number GJ3-6778B-00-00, limiting its universal application.
- The product description provides minimal specific features beyond its OEM status, such as material composition or unique design elements.
- As a replacement part, it does not offer performance upgrades or aesthetic customizations.
- Purchasing OEM parts can sometimes be more expensive than aftermarket alternatives.
- The absence of a dipstick on this cap means oil levels must be checked through other means if not equipped with one from the factory.
- The lack of additional features like a temperature gauge makes it a basic, functional component.
Frequently Asked Questions
What is the specific purpose of the Yamaha GJ3-6778B-00-00 Oil Filler Cap?
This product is an OEM oil filler cap designed to seal the oil reservoir on compatible Yamaha vehicles, preventing leaks and keeping contaminants out of the engine.
Is this oil filler cap compatible with all Yamaha models?
No, as an OEM part, it is specifically designed for Yamaha models that require the part number GJ3-6778B-00-00, ensuring an exact fit.
What does "OEM" stand for in the product description?
OEM stands for "Original Equipment Manufacturer," meaning this cap is an authentic part produced by Yamaha or for Yamaha.
Will this cap provide any performance enhancements to my Yamaha vehicle?
This oil filler cap is a direct replacement part designed to restore original functionality and sealing, not to provide performance enhancements.
What material is the oil filler cap made from?
The product description does not specify the material, but as an OEM part, it is made from materials designed to meet Yamaha's quality and durability standards for an oil filler cap.
Is installation of this oil filler cap complicated?
Replacing an oil filler cap is typically a straightforward process that involves simply unscrewing the old cap and screwing on the new one.