Brake Fluid Cap, for Beetle 68-79
* Helps eliminate leaks from your old reservoir.
* Made from new plastic material.
* Fits Beetle Type 1 from 1968-1979.
OVERVIEW
Maintaining the hydraulic integrity of your air-cooled classic starts with the smallest components, and there is nothing more vital than a secure seal on your brake fluid reservoir. Over decades of heat cycles and exposure to the elements, original plastic caps become brittle, develop hairline fractures, or lose their threading grip, which can lead to catastrophic fluid contamination. Brake fluid is naturally hygroscopic, meaning it greedily pulls moisture out of the air; if your cap isn''t sealing perfectly, you are inviting water into your lines, which leads to internal corrosion of your master cylinder and wheel cylinders. This process eventually results in a "spongy" brake pedal or total system failure, which is why a fresh, high-quality cap is an essential safety item for any vintage Volkswagen owner.
This EMPI replacement brake fluid cap is precision-engineered to the exact specifications of the original Volkswagen part number 113-611-351, providing a factory-perfect fit for Beetles produced between 1968 and 1979. Whether you are performing a full nut-and-bolt restoration or just keeping your daily driver safe on the road, replacing a dingy, stained, or cracked cap is one of the most cost-effective upgrades you can make to your braking system. It features a durable, chemical-resistant plastic construction designed to withstand the harsh environment of the front trunk area while ensuring that your DOT 3 or DOT 4 fluid stays pure and free from debris. Don''t let a three-dollar part compromise your stopping power when you can secure your reservoir with this robust EMPI replacement.
FITMENT
- VW Beetle (Standard): 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977.
- VW Super Beetle: 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979.
- VW Karmann Ghia: 1968, 1969, 1970, 1971, 1972, 1973, 1974.
- VW Beetle Convertible: 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979.
SPECS
- OEM Reference Number: 113-611-351
- Manufacturer: EMPI
- Material: High-density, chemical-resistant polyethylene plastic
- Weight: 0.1 lbs
- Venting: Integrated atmospheric vent to prevent vacuum lock
- Color: High-visibility finish for easy fluid level inspection
- Thread Type: Direct-fit replacement for late-model dual circuit reservoirs
PRO TIPS
1. Clean Your Reservoir Threads Before Installation
Before you screw on your brand-new EMPI cap, take a clean, lint-free rag and wipe down the external threads of your brake fluid reservoir. Over the years, brake fluid residue and dust can create a "gritty" paste that acts like an abrasive. If you force a new cap onto dirty threads, you risk cross-threading or stripping the soft plastic. A clean mating surface ensures a vacuum-tight seal and makes future fluid checks much easier. If the reservoir is excessively stained, consider using a specialized plastic cleaner that is safe for braking systems.
2. The "Finger-Tight" Rule for Plastic Components
While it is tempting to use a pair of pliers to ensure the cap is "extra tight," you should never use tools on a plastic brake fluid cap. Over-tightening can cause the plastic to stress-crack or warp the reservoir neck, which leads to the very leaks you are trying to prevent. Simply turn the cap until it is snug by hand. The internal gasket and thread design are specifically engineered to seal without excessive force. If you notice fluid seeping out even when hand-tight, it is likely that your reservoir neck is warped and the reservoir itself may need replacement.
3. Check Your Brake Fluid Water Content Annually
Since you are already opening the reservoir to replace the cap, this is the perfect time to test your brake fluid. Even with a brand-new cap, brake fluid naturally degrades over time. Use a digital brake fluid tester to check the moisture percentage. If the moisture level is above 2% or 3%, it is time for a full system flush. Fresh fluid not only improves stopping performance but also protects your master cylinder seals and the internal metal surfaces of your brake lines from rusting from the inside out. Always use the DOT rating specified for your vehicle, typically DOT 3 or DOT 4 for these air-cooled models.
SHIPPING: Free shipping on all orders exceeding $74.99. All orders under $74.99 will be shipped for a flat fee of $9.99 Or $6.99 for orders less than $24.99. Shipping rates are for the 48 continental United States. Areas outside the 48 states, shipping will be calculated using the best shipping price available. We reserve the right to use any shipping carrier unless the order has had a upgrade. If any sales or price matching discount drops you below the free shipping amount, shipping will be charged.
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RETURNS: Returns will be accepted within 30 days of receipt. Â If the item was shipped via Free Shipping, the shipping charges may be deducted from your return. Â Please print the original invoice and include it with the return. No returns on custom built or special ordered merchandise.
PLEASE NOTE: We do not pay for return shipping unless the item received is incorrect.  If you have ordered the wrong part, we are happy to take it back but we do not cover the shipping cost. Â
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