Wilwood Brake Fluid Reservoir - 3 JIC
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Product Information
Full details
This guide is for automotive enthusiasts and mechanics looking for a high-quality, compact brake or clutch fluid reservoir. The key benefit is its durable billet aluminum construction and choice of outlet fittings for flexible installation, with a minor caveat being its 4oz capacity, which may require more frequent monitoring in heavy-duty applications. This reservoir features a finned body design for enhanced aesthetics and heat dissipation, a secure screw cap with an internal rubber bellows seal, and options for direct master cylinder mounting or remote setups.
All features
| Model Part Number | 260-16390 |
|---|---|
| Brand | Wilwood |
Extended Product Information
FAQs
What type of fluid can I use with this reservoir?
This reservoir is compatible with standard automotive brake and clutch fluids such as DOT 3, DOT 4, and DOT 5.1. Always consult your vehicle's service manual or brake system manufacturer for specific fluid recommendations.
What is the fluid capacity of this reservoir?
The fluid capacity is 4 fluid ounces (7.2 cubic inches).
Can I use this reservoir for both brake and clutch systems?
Yes, provided you use separate reservoirs for each system or ensure proper isolation if sharing a manifold system, and that the fluid type is compatible with both applications.
What are the dimensions of the reservoir?
The dimensions are approximately 2.45" (62mm) in diameter. Height is 4.27" (109mm) for the 11/16" outlet version and 4.38" (111mm) for the 3/8" outlet version.
How do I choose between the 11/16" and -3 JIC outlet?
The 11/16" outlet is designed to screw directly into compatible Wilwood master cylinders. The -3 JIC (3/8" UNF) outlet is for remote mounting, requiring appropriate adapters or fittings to connect to your brake or clutch lines.
Does the reservoir come with mounting hardware?
Mounting hardware is typically not included and will depend on your specific installation method. You will need to source appropriate bolts or brackets for securing the reservoir.
What is the difference between the aluminum finish and the titanium grey finish?
The aluminum finish is a natural, machined aluminum look with a matching cap. The titanium grey finish is a Type III anodized coating for increased durability and corrosion resistance, typically paired with a plastic cap.
Troubleshooting
Reservoir leaks from outlet fitting
Ensure the correct adapter or fitting is used for the -3 JIC connection and that it is securely tightened. For the 11/16" direct fit, verify the seal is properly seated and the master cylinder threads are clean.
Fluid level drops rapidly
Check all brake/clutch lines for leaks. Ensure the reservoir cap is properly sealed. If the issue persists, the master cylinder may be bypassing fluid internally.
Exterior finish is dull or corroded
Clean the reservoir with a mild soap and water solution. For anodized finishes, avoid harsh chemicals. Ensure the area is dry after cleaning.
Pros and Cons
Pros
- Durable billet aluminum construction ensures longevity.
- Choice of outlet fittings offers versatile installation options.
- Compact design is suitable for tight engine bays.
- Aesthetically pleasing finned body enhances visual appeal.
- Includes a secure screw cap with a reliable bellows seal.
Cons
- 4oz fluid capacity might be insufficient for high-demand racing applications.
- Requires specific fittings for remote mounting.
- Anodized finish may be more expensive than the standard aluminum.
- Not a universal fit; requires checking master cylinder thread compatibility for direct mount.
Setup, Compatibility & Care
Setup:
- Determine Mounting Location: Decide whether to mount directly to a compatible Wilwood master cylinder or remotely using appropriate fittings for the -3 JIC outlet.
- Connect Lines: Attach brake or clutch fluid lines to the chosen outlet fitting.
- Mount Reservoir: Securely mount the reservoir using appropriate hardware, ensuring it is positioned upright or as recommended for the specific application.
- Fill with Fluid: Carefully fill the reservoir with the correct type of brake or clutch fluid (DOT 3, 4, or 5.1 as specified by your system).
- Bleed System: Perform a thorough brake or clutch system bleed to remove all air.
Compatibility:
- Fluid Type: Compatible with standard automotive brake and clutch fluids (e.g., DOT 3, DOT 4, DOT 5.1).
- Master Cylinders: The 11/16" outlet option is designed for direct fitment on select Wilwood master cylinders. The -3 JIC outlet requires appropriate adapters for connection to your system.
Care:
- Cleaning: Wipe the exterior with a soft, damp cloth. Avoid abrasive cleaners that could damage the finish.
- Fluid Maintenance: Regularly check and maintain the fluid level as recommended for your vehicle.
- Seal Inspection: Periodically inspect the rubber bellows seal for any signs of wear or damage.