SUZUKI 55110-93505-01J Lower Unit Dt 9.9

( Manufacturer Part Number: 55110-93505-01J ), ( Part Type: Hp Unit ), ( Country Of Manufacture: Japan )

Review SUZUKI Inch Short Lower Unit Dt 9.9 Hp Stroke In Stock And Ready To Ship fits 1981–2015

The **Suzuki 1981 15 HP Lower Unit (Part Number: 55110-93505-01J)** is a meticulously engineered marine propulsion component designed to deliver reliable performance for small outboard engines, particularly those in the 9.9 horsepower range. This lower unit is a critical component of Suzuki s outboard motor systems, serving as the foundation that connects the engine s power to the water, ensuring smooth and efficient propulsion. Crafted with precision, it features a robust **cast aluminum housing** that balances strength with weight, allowing for optimal handling and maneuverability on the water. The unit incorporates a **helical cut gear system**, which minimizes noise and vibration while maximizing durability, making it ideal for both recreational boating and light fishing applications. Its **sealed internal bearings and shaft** are engineered to withstand prolonged exposure to saltwater corrosion, ensuring longevity even in harsh marine environments. The **DT (Direct Transmission) design** simplifies the drivetrain, reducing maintenance requirements while maintaining high efficiency. Whether installed on a small dinghy, a fishing boat, or a utility vessel, this lower unit provides a seamless transfer of power, allowing operators to navigate with confidence and ease. Its compatibility with Suzuki s 1981 model 15 HP outboard engines makes it a sought-after replacement part for those seeking to restore or upgrade their vessel s performance without sacrificing reliability.

### Pros and Cons of buying a Suzuki 55110-93505-01J (1981 15 Lower Unit, DT, 9.9 HP)

1. **Reliability and Durability** Suzuki outboard motors, especially older models like this, are known for their robust construction and longevity when maintained properly. The 15 HP (9.9 HP DT) is a classic design that has stood the test of time for small boats and fishing applications.

2. **Affordability** Older Suzuki outboards, particularly those from the 1980s, are significantly cheaper than newer models. This makes them a cost-effective option for budget-conscious buyers, especially if you re looking for a secondary or backup motor.

3. **Simplicity and Ease of Maintenance** The design is straightforward, with fewer electronic components compared to modern outboards. This means easier repairs, simpler troubleshooting, and lower long-term maintenance costs if you re mechanically inclined.

4. **Good for Small Boats** The 9.9 HP DT (direct transmission) model is well-suited for lightweight boats, canoes, kayaks, or small fishing vessels where power isn t the primary concern but reliability and maneuverability are.

5. **Parts Availability** While newer parts may be harder to find, Suzuki s legacy models still have a dedicated following, and many marine supply stores carry basic components, gaskets, and seals. Online marketplaces (eBay, Facebook Marketplace) often have used parts for older models.

6. **Fuel Efficiency** Smaller outboards like this consume very little fuel, making them economical for short trips or occasional use.

7. **Classic Vibe and Nostalgia** If you appreciate vintage marine equipment or have a sentimental attachment to older models, this could be a rewarding purchase.

---

1. **Age and Wear** At nearly 40 years old, this unit likely has significant wear and tear. The original owner may not have maintained it properly, leading to potential issues like rust, worn bearings, or degraded seals.

2. **Limited Power** The 9.9 HP DT rating means it s only suitable for very small boats (under 10-12 feet). If you need more speed or towing capacity, this motor will be underpowered.

3. **Rust and Corrosion** Older outboards, especially those stored improperly, are prone to rust in critical areas like the lower unit, shaft, and water intake. A thorough inspection is essential before purchasing.

4. **Outdated Technology** Modern outboards feature fuel injection, electronic diagnostics, and improved fuel efficiency. This model relies on carburetors and manual adjustments, which can be less efficient and more prone to clogging.

5. **Difficulty Finding Trained Mechanics** While basic repairs are manageable, specialized Suzuki outboard mechanics who work on older models may be rare. You might need to rely on general marine mechanics or DIY fixes.

6. **Environmental Concerns** Older two-stroke engines (like this DT model) are less environmentally friendly due to higher emissions. If you re concerned about pollution or plan to use it in eco-sensitive areas, this could be a drawback.

7. **Potential Hidden Damage** Without a professional inspection, you might inherit issues like a cracked lower unit housing, seized bearings, or a failing impeller. These problems can be expensive to repair.

8. **Resale Value** If you decide to sell it later, the market for vintage outboards is niche, and you may not recoup much of your investment.

---

The Suzuki 55110-93505-01J (1981 15 HP DT) is a **great budget-friendly option** if you need a reliable, low-power outboard for a small boat and are willing to invest time in maintenance or repairs. It excels in simplicity, affordability, and nostalgia but comes with significant drawbacks related to age, limited power, and potential hidden issues.

- Occasional use (e.g., weekend fishing, canoeing, or small recreational boating).

- DIY enthusiasts comfortable with basic mechanical work.

- Boaters who prioritize reliability over performance and don t mind the lack of modern conveniences.

- You need a motor for larger boats or frequent use.

- You want a low-maintenance, high-performance engine.

- You re unwilling to inspect it thoroughly or perform repairs.

- You plan to use it in saltwater without proper desalination and maintenance.

---

- Signs of rust in the lower unit and shaft.

- Proper lubrication and absence of unusual noises.

- Functional throttle and ignition.

- No leaks in the fuel or oil systems.

Consider **testing it in the water** if possible to ensure it starts and runs smoothly. If you re unsure about its condition, **negotiate the price downward** to account for potential repairs.

For most modern boaters, a **used but well-maintained 2000s-era Suzuki outboard (e.g., 5-10 HP)** or a **new electric trolling motor** might be a better long-term investment. However, if you appreciate the charm of vintage equipment and are prepared for the challenges, this Suzuki could be a rewarding addition to your collection.

Details:

15 Inch Driveshaft, measures 14-7/16 Driveshaft length from the top of water pump to shaft, - Shifts and spins smoothly without binding, Propeller shaft is bent, splines show light wear, Freshwater Condition, The cavitation plate broken See Pictures, This unit did pressure check, splines: 11. Please add oil before use. 1981 - DT 9.9 15 HP.

Altman, IL 62411. The item you are looking at is guaranteed to be described, pictured, and cross-referenced correctly. Propeller shaft splines: 10. This unit is shipped empty.

part #: 551109350501j prices

• $175.00-$550.00

specifications ouboaen:

• for makes: Suzuki
• for years: 1981-2015
• mpn: 55110-93505-01j
• part type: Hp Unit
• country of manufacture: Japan

general ouboaen:

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

returns ouboaen:

• policy: No Returns

shipping ouboaen:

• transit: 2-6 Days
• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed

payments ouboaen:

• other
• wallet: Apple-pay
• credit card: Diners-club

seller ouboaen:

• # reviews: 34045
• city: Altamont, Illinois
• rating: 99.9%

offer ouboaen:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: February 5, 2026
• quantity: 1

Suzuki 55110-93505-01J Is Similar To:

• 0000000 Suzuki Genuine Oem Lower (23.1% similar) Seals replaced if needed. New paint pressure tested for 15 min at psi, ready to bolt on. Most items are shipped USPS or fed-ex, depending on size, weight and location. Chiefs marine genuine oem suzuki lower unit ctr rotating 25, DF200 2015 reconditioned, has new gear lube, water pump...(May 21st, 2017)
• 11300-90j00 Suzuki Rebuilt 4-stroke Df90 (21.7% similar) Excellent cosmetic condition. If you are uncertain. Location: marine supply on hwy 49 in Gulfport, ms directly across from lowe's. Power head will come assembled as pictured. Item: rebuilt suzuki 4-STROKE short block part 90J00. From our research, it appears to fit 2001 thru 2010 suzuki DF90, ...(June 3rd, 2017)
• 12732-90j00 Suzuki Driven Gear Hp And Later Outboard Motor (26.9% similar) Part: 12732-90J00 driven gear fitment: various hp 2001 and later suzuki outboard motors. May fit more model's condition: used but in good condition. Removed from DF140 140 hp suzuki please see included pictures...(May 13th, 2018)
• 12891-69g00 Suzuki Outboard 4 Stroke (26.9% similar) There are 16 of them, or a full set. I have other similar items up from the same motor, including a full set of valve springs, and spring retainers, as well suzuki outboard parts. Please see the pictures so that you know exactly what are buying. Also, please see my other offers. All are in great ...(February 14th, 2018)
• 15600-87j11 Suzuki 01-09 Outboard 4-stroke (24.3% similar) ...(June 6th, 2017)
• 15751-93j00 Suzuki Fuel Rail Hp Stroke (29.4% similar) May fit other model's please do your research to make sure this part fits application. Condition: used in good condition. Fits various suzuki ,225,25 0,300 hp outboard engines...(June 12th, 2018)
• 15770-90j02 Suzuki Fuel Cooler Hp And Later Outboard Motor (30.8% similar) Please see included pictures. Removed from DF90 90 hp suzuki may fit more model's condition: used but in functional condition. Part: 15770-90J02 fuel cooler fitment: various hp 2001 and later suzuki outboard motors...(February 28th, 2019)
• 16430-93j00 16431-93j00 Suzuki Oil Gallery And Plate Hp (23.5% similar) Fits various suzuki 300 hp 4 stroke outboards. Part: oil gallery and plate 93J00,16431-93J00. Removed from a 2005 suzuki DF250Z 25001Z inventory: NB contact info: marine supply at. Condition: used...(April 13th, 2018)
• 18590-68h00 Suzuki Map Sensor And Later Hp Outboard (28.2% similar) Please see included pictures. Condition: used but in good condition and guaranteed to function properly. This part fits various year ranges of suzuki outboard motors. Pb may fit more engines. Part: 18590-68H00 map sensor 2008 and later 4-STROKE DF90-DF350 hp fits various suzuki outboard motor ...(September 24th, 2018)
• 32900-95522 Suzuki Cdi Unit For 85 (22.7% similar) Check wire color code on this CID black,blue, orange,gray,pink, green,black with white stripe, two connector: yellow red and black wire, three: black stripe,red...(March 3rd, 2017)
• 33920-90j10 Suzuki Engine Control Unit (22.1% similar) Part: engine control unit ecu 90J10 suzuki marine hp outboard boat motor part...(July 25th, 2017)