MALLORY 9-72505 Engine Coupler 3.7L 4CYL 170/470

( Brand: Mallory ), ( Manufacturer Part Number: 9-72505 ), ( Part Type: Engine )

Review MALLORY Nib 3.7l 4cyl 170/470 Engine Coupler fits MERCRUISER 1980–1989

Introducing the Mallory 9-72505 engine coupler, specifically designed for Mercruiser 3.7L 4cyl 170/470 engines manufactured between 1980 and 1989. This essential component is engineered to provide a secure and reliable connection between the engine and the transmission, ensuring optimal performance and efficiency.

The Mallory 9-72505 engine coupler is meticulously crafted using high-quality materials that can withstand the rigors of marine applications. It features a robust design with a durable cast iron housing, which provides excellent resistance to corrosion and wear. The internal components are made from heat-treated steel for added strength and durability.

One of the key benefits of the Mallory 9-72505 engine coupler is its ability to effectively manage the power transfer between the engine and the transmission. It utilizes a unique design that features precision-machined gaskets and seals, ensuring a tight connection and minimal power loss. This results in improved engine performance and better overall boat operation.

Another important feature of this engine coupler is its compatibility with a wide range of Mercruiser 3.7L 4cyl 170/470 engines. It is suitable for use with various transmission models, including Alpha 1, Bravo 1, and Bravo 2. This makes it an versatile and convenient option for boat owners with different engine configurations.

The Mallory 9-72505 engine coupler is also designed for easy installation. It comes complete with all necessary hardware, including bolts and gaskets, making it simple for boat owners to replace their old or damaged engine coupler. The installation process is straightforward, and the coupler can typically be installed in just a few hours with basic hand tools.

In summary, the Mallory 9-72505 engine coupler is an essential upgrade for any Mercruiser 3.7L 4cyl 170/470 engine used in boats manufactured between 1980 and 1989. Its robust design, excellent power management capabilities, and compatibility with various transmission models make it an ideal choice for boat owners looking to improve their engine performance and ensure reliable operation.

Mercruiser 3.7L 4-Cylinder 170/470 Engine Coupler (Mallory 9-72505) - Pros, Cons, and Conclusion

This discussion focuses on the Mercruiser 3.7L 4-cylinder 170/470 engine coupler (Mallory 9-72505), which was commonly used in boats manufactured between 1980 and 1989. In this text, we will explore the potential advantages and disadvantages of purchasing this specific engine coupler.

1. Compatibility: The Mallory 9-72505 engine coupler is specifically designed for the Mercruiser 3.7L 4-cylinder engines, making it a reliable choice for boat owners with these engines.

2. Easy Installation: This engine coupler is relatively simple to install, which can save time and money for boat owners who prefer to do repairs themselves.

3. Durability: The Mallory 9-72505 engine coupler is known for its robust construction, which can withstand the rigors of continuous use in marine environments.

1. Availability: Due to its age, this engine coupler may be more difficult to find in stock at local marine parts stores or online retailers, which could result in delays for boat owners needing an immediate replacement.

2. Cost: The Mallory 9-72505 engine coupler may be more expensive compared to newer alternatives, which could be a concern for budget-conscious boat owners.

3. Potential for Compatibility Issues: While the coupler is designed for the Mercruiser 3.7L 4-cylinder engines, there is a possibility that it may not fit perfectly on every engine due to wear and tear or manufacturing variations.

In conclusion, the Mallory 9-72505 Mercruiser 3.7L 4-cylinder 170/470 engine coupler offers several advantages, including compatibility, ease of installation, and durability. However, potential drawbacks such as availability, cost, and potential compatibility issues should be carefully considered before making a purchase.

If you own a boat with a Mercruiser 3.7L 4-cylinder engine and require a replacement engine coupler, the Mallory 9-72505 is a solid choice due to its compatibility and robust construction. However, it is recommended to thoroughly research the availability and pricing of this part before making a purchase to ensure the best possible value for your investment. Additionally, it's a good idea to consult with a professional marine mechanic for any concerns or questions you may have.

Details:

Boat Outboard Engine Parts. Boat Inboard I/O Engine Parts. HAZARDOUS PRODUCTS HAZMAT: 1 Carriers charge extra to ship packages with products they consider hazardous, such as oils, paints, and primers. Condition: New.

Engine Maintenance Parts. NIB Mercruiser 3.7L 4cyl 170/470 Engine Coupler 1980 1989 Mallory 9-72505: Thumbnails to: PRODUCT SPECIFICATIONS: Brand. Below the price of item. Manufacturer PN: 9-72505.

part #: 972505 price

• $877.99

specifications intengster:

• for models: Mercruiser
• for years: 1980-1989
• brand: Mallory
• mpn: 9-72505
• part type: Engine

payments intengster:

• other
• wallet: Paypal
• credit card: Diners-club

shipping intengster:

• class: Standard, Expedited
• carrier: UPS, USPS
• transit: 4-10 Days
• cost: $17.29
• service: UPS Ground, USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express
• type: Calculated

offer intengster:

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

general intengster:

• condition: New
• Boat Parts > Sterndrive Motors Components > Internal Engine Parts

seller intengster:

• rating: 98.7%
• # reviews: 73322
• city: Hollywood, Florida

returns intengster:

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

Mallory 9-72505 Is Similar To:

• Sierra 18-3648 Thermostat Kit 160degree Mallory 9-43100 Mercruiser Gm (32.4% similar) Thermostat kit 160D. Contains: 18-3649 thermostat, 18-2553 thermostat cover gasket, 18-2917 thermostat gasket...(November 4th, 2022)