MERCRUISER 6387A3 Engine Cylinder Block 3.7 470

( Brand: Mercruiser ), ( Manufacturer Part Number: 6387A3 ), ( Part Type: Engine Cylinder Block )

Review MERCRUISER 3.7 470 Engine Cylinder Block Pn fits 1976–1989

The Mercruiser 3.7 470 engine cylinder block with part number 6387A3 is a classic piece of marine engineering, hailing from the golden era of boating in the 1970s and 1980s. This cylinder block is a testament to Mercruiser's commitment to power and reliability, making it an ideal choice for boat owners seeking a high-performance engine component.

The Mercruiser 3.7 470 cylinder block is constructed from cast iron, a material known for its durability and resistance to heat and corrosion. The block features a 3.7 liter displacement and is designed to accommodate inline-six cylinders, providing a smooth and powerful engine performance. The cylinder bores measure 3.31 inches, while the stroke is 3.58 inches, resulting in a total displacement of 223 cubic inches.

This cylinder block is equipped with a cast-in cylinder head with four bolt main caps and six bolt head bolts, ensuring a strong and secure engine assembly. The block also features a wet sump oil system and a water jacket for efficient cooling. The oil pan is cast-in, providing an integrated and robust design.

The Mercruiser 3.7 470 cylinder block is a direct fit for 1976-1989 Mercruiser 3.7 470 engines, making it a straightforward replacement option for boat owners. The block is precision-machined to ensure a perfect fit and optimal engine performance. This cylinder block is also a popular choice for engine rebuilds and performance upgrades, thanks to its robust design and wide availability of aftermarket parts.

In conclusion, the Mercruiser 3.7 470 cylinder block 6387A3 is a high-quality and reliable engine component, ideal for boat owners seeking powerful and dependable performance. Its cast iron construction, inline-six cylinder design, and robust features make it a durable and long-lasting option for any marine engine application.

1. Widely available and relatively common: Due to its long production run, you can find this engine block in various markets, both online and offline.

2. Affordable compared to newer engine blocks: Older engine blocks are often cheaper, making it a cost-effective option for some boat owners.

3. Familiarity and availability of parts: Parts for this engine block are readily available, which can help keep maintenance and repair costs down.

4. Potential for restoration or rebuild: If the engine block is in decent condition, it can be an opportunity for a DIY restoration or rebuild project.

1. Age and potential wear and tear: Engine blocks from this era may have experienced wear and tear, which could lead to costly repairs or replacements.

2. Lower performance compared to newer engines: Older engines may not perform as efficiently as modern engines, resulting in less power and fuel efficiency.

3. Requires more maintenance: Older engines often require more frequent maintenance, which can be time-consuming and costly.

4. Potential for environmental concerns: Older engines may not meet today's emission standards, which could create challenges if you plan to use the engine in a regulated area.

If you are looking for an affordable engine block for a boat restoration project or as a spare part, the 1976-1989 Mercruiser 3.7 470 engine cylinder block 6387a3 could be a viable option. However, be aware that you may need to invest time and resources into maintaining and repairing the engine, and it may not offer the same performance as a newer engine. It is essential to thoroughly inspect the engine block and have a reliable mechanic assess its condition before making a purchase.

If you are unsure about the condition of the engine block, consider seeking advice from a knowledgeable mechanic or engine specialist. They can help you determine if the engine block is a good fit for your needs and if it is worth the investment. Additionally, research the potential repair and maintenance costs associated with the engine block to ensure you can afford the ongoing expenses.

Details:

If they are not, the same then buyer needs to specify us which is indeed correct. May need to be bored.

Fresh water, good condition, original bore size.

part #: 6387a3 prices

• $265.00-$900.00

specifications intengster:

• for years: 1976-1989
• brand: Mercruiser
• mpn: 6387a3
• part type: Engine Cylinder Block

Payments intengster:

• CashOnPickup

General intengster:

• in stock: Yes
• Sterndrive Motors Components > Internal Engine Parts
• condition: Used

Ratings:

1. A 01-01-21
2. Great 01-01-21
3. came quick 01-01-21
4. Better then described, fast shipping, exact duplicate. 01-01-21
5. As described, quick shipping, Thanks! 01-01-21

Returns intengster:

• time: 30 Days
• paid by: Buyer
• policy: returns accepted

Offer intengster:

• quantity: 1
• Started: February 17, 2021, 12:49 pm
• bids: 0
• best offer: false
• Sold: 0

Shipping intengster:

• type: NotSpecified

Seller intengster:

• zipcode: 530
• # feedbacks 02-18-21: 8468
• rating 02-18-21: 99.7%
• city: Belgium, Wisconsin

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