PRONTO MO64 Engine Crankcase Breather CAP-4BBL

( Brand: Pronto ), ( Manufacturer Part Number: MO64 ), ( Manufacturer Warranty: 90 Day ), ( Type: Engine Crankcase Breather Cap )

Review PRONTO Engine Crankcase Breather

Pronto MO64 Engine Crankcase Breather Cap - 4-Barrel Application

The Pronto MO64 Engine Crankcase Breather Cap is an essential component designed to maintain the optimal performance and longevity of your 4-barrel carbureted engine. This breather cap is a vital part of the engine's crankcase ventilation system, which helps to control pressure within the crankcase and prevent harmful contaminants from entering the combustion chamber.

Crafted from high-quality materials, this Pronto MO64 breather cap features a durable construction that ensures its longevity under various operating conditions. Its design is intricately engineered to provide a secure seal, preventing any leakage from the crankcase.

This breather cap is specifically designed for 4-barrel carbureted engines, ensuring a precise fit for seamless integration with your engine. The cap is equipped with a check valve that allows air to escape from the crankcase during the intake stroke, while preventing the entry of crankcase fumes during the compression stroke.

The Pronto MO64 Engine Crankcase Breather Cap is an easy-to-install component that requires no specialized tools. It is designed to work with the existing breather system, making it a straightforward addition to your engine maintenance routine.

By choosing the Pronto MO64 Engine Crankcase Breather Cap, you're investing in the protection and performance of your engine. This breather cap helps to promote a cleaner, more efficient combustion process, contributing to improved fuel economy and reduced exhaust emissions.

In summary, the Pronto MO64 Engine Crankcase Breather Cap is a must-have component for any 4-barrel carbureted engine. Its durable construction, secure fit, and easy installation make it an indispensable tool for engine maintenance, helping to ensure optimal engine performance and longevity.

1. **Compatibility:** The Pronto MO64 breather cap is specifically designed for 4-barrel carbureted engines, making it a suitable replacement for many vehicles.

2. **Brand Reputation:** Pronto is a well-known automotive parts manufacturer, which may assure customers of the product's quality.

3. **Availability:** This part is widely available at various auto parts stores and online retailers, making it convenient to purchase.

1. **Fitment Issues:** As with any aftermarket part, there may be instances where the product does not fit perfectly, requiring modifications or additional parts.

2. **Performance:** While Pronto is a reputable brand, some users may experience performance differences compared to the original equipment manufacturer (OEM) part.

3. **Durability:** Some users have reported that aftermarket parts like this breather cap may not last as long as the OEM part.

The Pronto MO64 Engine Crankcase Breather Cap-4bbl is a viable replacement for your 4-barrel carbureted engine's breather cap. Its wide availability and brand reputation are advantages. However, potential fitment issues, performance differences, and durability concerns should be considered before making a purchase. If you prioritize cost-effectiveness and convenience, this part may be a good choice. However, if you value a perfect fit and maximum performance, it might be worth investigating OEM or higher-end aftermarket alternatives.

Details:

This part fits v vehicles made in the following years 1951,1952,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968. Proper fit and sealing prevents oil loss. Engine Crankcase Breather Cap. 10064, 14064, 1552232, 31064, 703-1315, 8064, 9MO64, MO64, P8064.

High quality finish is designed to compliment the engine compartment appearance. Designed to OEM specifications.

part #: mo64 prices

• $9.98-$28.99

specifications emissyste:

• brand: Pronto
• mpn: Mo64
• manufacturer warranty: 90 Day
• type: Engine Crankcase Breather Cap

offer emissyste:

• started: November 14, 2025
• options: Ship-to-home
• quantity: 8
• availability: In Stock
• sold: 0

returns emissyste:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller emissyste:

• city: Los Angeles, California
• rating: 97.2%
• # reviews: 1057

general emissyste:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

shipping emissyste:

• type: Fixed
• cost: $0.00
• transit: 4-8 Days
• class: Economy
• service: Economy

payments emissyste:

• credit card: Visa
• other
• wallet: Paypal

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