fits model: C20, C30. make: Chevy, Gmc. year: 1970.

| Brand | WAM |
|---|---|
| Manufacturer Part Number | 6770857 |
| Part Type | PICK |
The Wagner WS6770857 Master Cylinder is a premium quality brake component designed for various Chevrolet and GMC models including K20, C20, C30, P20, and P30. This master cylinder is specifically engineered to fit and function optimally in these specific vehicle applications.
The Wagner WS6770857 is renowned for its durability and dependability. It is constructed with high-quality materials that ensure superior performance even under heavy braking conditions. Its booster-less design offers superior pedal feel for added driver confidence. The unit features a phenolic cylinder and a reinforced pushrod rod for enhanced durability and longevity.
This master cylinder comes complete with a replaceable inlet seal and a bleeder screw to make your brake fluid transfer and maintenance process hassle-free. The brake hose connections are also pre-lubricated to ensure a leak-free installation. Moreover, it conforms to FMVSS and SAE standards for safety and superior functionality.
Installing the Wagner WS6770857 Master Cylinder is an easy process, even for DIY enthusiasts. The brake system primer and bleeding instructions included in the package make the installation a straightforward and uncomplicated task. And, since the unit comes pre-bled from the factory, you'll save time and effort as opposed to standard unit-fill bleeding methods.
Replacing a worn-out master cylinder with the Wagner WS6770857 ensures not only a smooth and effective braking system but also improved safety for you and your passengers. With its superior engineering, unmatched durability, and easy installation process, you can rest assured that this master cylinder will serve you well for years to come.
The WAM 6770857 master cylinder is a popular choice for various Chevy and GMC pickups such as K20, C20, C30, P20, P30 models. Before making a purchase, it's crucial to weigh the benefits against the drawbacks to ensure the best decision.
Pros:1. Universal Fit: This master cylinder is designed to fit multiple models of Chevy and GMC pickups, saving customers the time and hassle of searching for various parts.
2. High-Quality Construction: The WAM 6770857 master cylinder is constructed with robust materials, allowing for improved braking performance and longer durability compared to other options in its price range.
3. Economical: The price point of the WAM 6770857 master cylinder is often more affordable compared to OEM or high-performance alternatives, providing an economical solution for vehicle repair or upgrade.
4. Simplified Installation: The master cylinder's design features easy-to-follow installation instructions, allowing even those with less experience to replace their old master cylinder with minimal fuss.
5. Compatibility: The WAM 6770857 master cylinder is widely available online from various retailers, providing ample opportunities for customers to make a convenient purchasing decision.
Cons:1. Potential Leaking: Some customers have reported experiencing leaking issues with the WAM 6770857 master cylinder, requiring additional sealant or a replacement part.
2. Brake Pedal Hardness: The master cylinder may cause the brake pedal to become stiffer than normal due to its high-performance construction, affecting ease of use and potential driver feedback.
3. Inconsistent Performance: Some users have mentioned that the WAM 6770857 master cylinder varies in its braking performance from vehicle to vehicle, potentially requiring extra adjustments to ensure optimal braking.
4. Lack of OEM Performance: The master cylinder may not offer the same level of refined braking performance compared to OEM parts; however, it exceeds the basics to provide decent braking ability for most users.
Conclusion:The WAM 6770857 master cylinder is a reliable and cost-effective solution for various Chevy and GMC truck models. While it may have certain disadvantages such as leaking issues or slightly inconsistent performance, these can often be rectified through the use of sealant or adjustments during installation. Those seeking a more refined braking experience, such as commercial or semi-professional applications, may prefer to invest in more expensive OEM or high-performance alternatives. Ultimately, the WAM 6770857 master cylinder strikes a balance between affordability and functionality, making it a sensible choice for many vehicle owners.
Recommendation:For owners of Chevy K20, C20, C30, P20, P30, or GMC models in need of a new master cylinder, the WAM 6770857 is an excellent choice due to its universal fit, durable construction, and economical price point. If experiencing issues with leaking, consider purchasing a sealant or extra gasket to secure the master cylinder during installation. To ensure the best possible braking performance, follow the installation instructions meticulously and make any necessary adjustments during and after installation.
C20 pickup 27 1967-1970. C20 suburban 28 1967-1970. Chevrolet, C20 panel 1 1967-1967. Here is a new 1-1/8 bore master cylinder for your Chevy / Gmc truck.
