PM 17720 Indmar Gm Rear Oil Seal Inboard 5.7L V8

( Brand: Pm ), ( Manufacturer Part Number: 17720 ), ( Part Type: Oil Seal )

Review PM Indmar 5.7l V8 Gm Rear Main Oil Seal Inboard

Indmar PM17720 Rear Oil Seal for 5.7L V8 GM Inboard Applications

The Indmar PM17720 rear oil seal is a vital component in the lubrication system of your 5.7L V8 GM inboard engine. Designed specifically for this application, this oil seal ensures the contained engine oil stays where it's supposed to - inside the crankshaft.

This oil seal features a robust, high-quality design. It is manufactured using a durable elastomer material that boasts excellent sealing properties and resistance to heat, oil, and wear. The seal has a tapered lip that provides a positive seal against the engine casing, preventing any unwanted oil leaks.

The PM17720 oil seal is designed to fit snugly into the engine housing, creating a tight seal that prevents oil from escaping. The seal's dimensions are carefully engineered to match the specific requirements of the 5.7L V8 GM inboard engine.

Installation of this oil seal is relatively straightforward. It is designed to be pressed into place using a seal installation tool. Once installed, the oil seal will maintain its shape and sealing ability, ensuring reliable operation of your engine.

When it comes to maintaining the performance and longevity of your 5.7L V8 GM inboard engine, a high-quality rear oil seal like the Indmar PM17720 is an essential investment. It helps prevent oil leaks, which can lead to costly repairs and engine damage. With its robust construction, precise fit, and proven sealing ability, the PM17720 oil seal is an excellent choice for boat owners seeking reliable engine performance.

Buying a PM 17720 Indmar 5.7L V8 GM rear oil seal inboard involves considering several pros and cons to help make an informed decision. These are not exhaustive, but they cover the key advantages and disadvantages of purchasing this seal.

1. OEM (Original Equipment Manufacturer) Replacement: This seal is a factory-approved replacement, ensuring a perfect fit and reliable performance for your Indmar engine.

2. Prevents Oil Leaks: A faulty or worn-out seal can cause oil leaks, leading to potential engine damage and decreased performance. Replacing the seal with a new one ensures that your engine remains leak-free and runs efficiently.

3. Improves Engine Life: Preventing oil leaks and maintaining proper oil levels can contribute to a longer engine life, saving you money in potential repair and replacement costs in the future.

4. Availability: These seals are readily available from various marine parts suppliers and dealers, making it easy to find and purchase one when needed.

1. Cost: Replacing an oil seal can be a relatively expensive repair, depending on the labor costs if you choose to have it installed professionally.

2. Time: If you're not confident in installing the seal yourself, you'll need to find a qualified mechanic or marine technician to do it for you, which can take time and scheduling.

3. DIY Installation Complexity: Installing an oil seal on an inboard engine like the Indmar 5.7L V8 can be a complex process, especially if you're not familiar with marine engine repair. This may require additional tools and patience.

The PM 17720 Indmar 5.7L V8 GM rear oil seal inboard is a crucial component for maintaining the proper functioning and longevity of your Indmar engine. While the cost and installation complexity are potential drawbacks, the benefits of preventing oil leaks, improving engine life, and ensuring a perfect fit make it a worthwhile investment.

If you're comfortable with the installation process or have access to a qualified marine technician, purchasing and installing the seal yourself can save you money. However, if you're uncertain about the installation process or lack the necessary tools, it may be best to have it installed professionally to ensure a proper fit and avoid potential complications.

Considering the importance of the PM 17720 Indmar 5.7L V8 GM rear oil seal in maintaining the performance and longevity of your engine, we recommend purchasing a new seal when needed. If you're confident in your installation abilities, go for it. Otherwise, find a qualified marine technician to handle the installation for you. Remember, the peace of mind and potential cost savings in the long run are worth the initial investment.

Details:

Rear Main Oil Seal. Brand: Aftermarket. Condition: New. Below the price of item.

Rotation 2Pc Sea. Boat Inboard I/O Engine Parts. Indmar 5.7L V8 GM Rear Main Oil Seal Inboard 17720: Thumbnails to: PRODUCT SPECIFICATIONS: Brand: PM. Manufacturer PN: 17720.

Fits: GM 5.0L 5.7L V8 Rev.

part #: 17720 prices

• $17.99-$42.99

specifications intengster:

• brand: Pm
• mpn: 17720
• part type: Oil Seal

payments intengster:

• other
• wallet: Apple-pay
• credit card: Mastercard

returns intengster:

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

seller intengster:

• city: Hollywood, Florida
• rating: 99.0%
• # reviews: 74848

offer intengster:

• availability: In Stock
• started: December 12, 2025
• options: Ship-to-home
• sold: 0

general intengster:

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

shipping intengster:

• service: USPS First Class, USPS Priority Mail, UPS Ground, USPS Priority Mail Express
• cost: $2.44
• carrier: USPS, UPS
• type: Calculated
• transit: 7-14 Days
• class: Standard, Expedited

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