MERCURY 37721001 Gearcase Seal 1643-6037 40-70HP T36

( Manufacturer Part Number: 37721001 ), ( Part Type: Seal )

Review MERCURY 40-70hp Gearcase Seal 37721 T36 fits 1971-79

Mercury 37721001 T36 Gearcase Seal (1643-6037, 1971-1979, 40-70hp)

The Mercury 37721001 T36 Gearcase Seal is a vital component designed specifically for Mercury outboard motors, catering to models produced between 1971 and 1979, with a power range of 40 to 70 horsepower. This seal ensures the optimal performance and longevity of your engine by maintaining the integrity of the gearcase, preventing water leaks and protecting the internal components from contamination.

The Mercury 37721001 T36 Gearcase Seal is carefully engineered to fit seamlessly into the existing gearcase design, minimizing installation time and hassle. It is crafted from high-quality materials, ensuring durability and resistance to the harsh marine environment. The seal is designed to withstand the pressure and stresses associated with high-performance marine applications, ensuring consistent performance even in the most demanding conditions.

This Mercury gearcase seal is easy to replace, thanks to its straightforward design and clear installation instructions. It is an essential upgrade for any boat owner, ensuring the smooth operation of your outboard motor and prolonging its lifespan. Whether you're an avid fisherman, a leisure cruiser, or a competitive racer, the Mercury 37721001 T36 Gearcase Seal is an indispensable addition to your marine toolkit.

In summary, the Mercury 37721001 T36 Gearcase Seal is a high-quality, reliable, and easy-to-install solution for maintaining the performance and longevity of your Mercury outboard motor. By preventing water leaks and protecting the internal components, this seal ensures your boat is always ready for adventure on the water.

Product: Mercury 37721001 1643-6037 1971-79 40-70hp Gearcase Seal 37721 T36

1. Compatibility: This product is specifically designed for Mercury outboard motors, ensuring a perfect fit and reliable operation.

2. Durability: The seal is designed to withstand the harsh marine environment, offering long-term protection against water leakage.

3. OEM Part: As an Original Equipment Manufacturer (OEM) part, it guarantees the quality and performance that the original manufacturer intended.

4. Reduces Maintenance: A good quality seal can significantly reduce the frequency of maintenance and repairs, saving you time and money in the long run.

1. Price: OEM parts tend to be more expensive than aftermarket alternatives.

2. Limited Availability: Due to its specific model and vintage, this part may not be readily available in all locations, requiring you to order online or from specialized dealers.

3. Potential Installation Challenges: Older parts like this one may require more effort to install compared to newer models.

While the Mercury 37721001 1643-6037 1971-79 40-70hp Gearcase Seal 37721 T36 comes with the assurance of quality and compatibility, its higher price and potential availability issues should be carefully considered. If you prioritize reliability and long-term performance, this OEM part could be a worthwhile investment. However, if you're looking for a more cost-effective solution, you might want to explore aftermarket alternatives while ensuring they are compatible with your Mercury outboard motor.

For the best results, it is recommended to purchase this OEM part from a trusted dealer or Mercury authorized service center to ensure authenticity and quality. If you're on a tighter budget, research and carefully select an aftermarket alternative that is known for its quality and compatibility with your specific Mercury outboard motor model.

Details:

Just because the part looks right does not mean that Otis. Recombine shipping on multiple items. Keeping mind that if the listing is for a used part, it used part, so there may be some minor cosmetic damage scratches/scuffs. They will however be in similar functioning condition.

part #: 37721001 prices

• $11.04-$84.99

specifications ouboaen:

• for makes: Mercury
• for years: 1971-79
• mpn: 37721001
• part type: Seal

shipping ouboaen:

• service: Standard
• class: Standard
• transit: 4-10 Days
• type: Fixed
• cost: $0.00

returns ouboaen:

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

payments ouboaen:

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

seller ouboaen:

• city: Melrose, Minnesota
• # reviews: 2530
• rating: 99.8%

general ouboaen:

• condition: Used
• Boat Parts > Outboard Engines Components > Other

offer ouboaen:

• options: Ship-to-home
• started: March 7, 2025
• quantity: 1
• availability: In Stock
• sold: 0

Mercury 37721001 Is Similar To:

• 10-79953q 2 Mercury Gearcase Drain Plug Screw Kit Pack Two (33.9% similar) Each kit contains two gear case drain screws. These are oem quick silver mercury Mercuries parts, another tremendous ileum value...(April 12th, 2018)
• 10-79953q04 Mercury Quicksilver Oem Gearcase 745061741706 (34.1% similar) Set of 4 free shipping all reasonable offers considered. New in package...(October 4th, 2017)
• 1156-6311 Mercury Lower Gearcase.bearing End (36.4% similar) For sale is a lower gear case end cap the drive shaft part mercury 200HP outboard motors. End cap is in good condition, from a fresh water motor not corroded...(October 25th, 2017)
• 1600-888845c Mercury Marine Outboard Hp Gearcase Housing (34.4% similar) U1600-888845C. This is a used mercury marine outboard gearcase housing. Mercury part 888845C. Kens sports does not charge this, it is charged by carrier at time of delivery...(May 30th, 2018)
• 1623-822442 Mercury Freshwater Gearcase Lower Unit Housing (35.5% similar) The threads were driveshaft and bearing sit are in excellent condition. The item you are looking at is guaranteed to be described, pictured, and cross-referenced correctly. Upon inspection we did notice some light dings on the cavitation plate. Your satisfaction is important to us, and you'll see ...(June 14th, 2018)
• 1623-859399 Mercury Freshwater Gearcase Lower Unit Housing (35.5% similar) There are some cosmetic flaws in the paint, but nothing that will affect performance. There is nothing stopping this from making a great replacement for your outboard. Your satisfaction is important to us, and you'll see that throughout the process of order. There is no scoring, damage, and it has ...(June 14th, 2018)
• 1643-9539a3 Mercury 50-60 Gearcase New (44.2% similar) 75, dealer cost 1687. Fits 3 cylinder mercury and mariner hp outboards serial numbers ob to OD original list price brand new in the box gear case...(January 23rd, 2018)
• 1653-8157a6 Mercury Quicksilver Gearcase Housing Part (31.9% similar) 90 original oem mercury quicksilver gearcase housing part 8157A6 brand new in unopened box from. Brand new in unopened box. This part is no longer available from mercury. Mercury list price 385. I have recently taken in a large inventory of new quicksilver and mercury items parts that will all be ...(March 13th, 2018)
• 1655-7332 Mercury Mariner Outboard Gearcase Lower Unit (35% similar) This is off a late 70S 115HP mercury. Complete working gear case for mercury inline 6 and older 4 cylinder outboards. Comes with 24P brass propeller. No oil leaks straight keg with dents and a good water pump...(May 22nd, 2018)
• 18-2626 Sierra Mercury Mariner Lower Unit Seal Kit Outboard 808282243685 (29% similar) Mercury mariner outboards:replaces: 26-43035A4. Sierra marine mercury mariner lower unit seal KITOUTBOARD18-2626 mfr: part order UPC: 85 condition: new : mercury mariner outboard lower unit seal kit...(June 27th, 2018)
• 18-2646-1 Sierra Mercury Mariner Lower Unit Seal Kit Outboard 707390466095 (28.6% similar) Sierra marine mercury mariner lower unit seal kit outboard mfr: part order UPC: 95 condition: new : mercury. Mercury mariner outboards: replaces: 26-816575A3...(November 25th, 2018)