OMC 203829 Prop Nut

( Brand: Omc ), ( Manufacturer Part Number: 203829 ), ( Part Type: Prop ), ( Country Of Origin: United States )

Review OMC New Johnson Evinrude Prop Nut

The **OMC 203829 Johnson Evinrude Prop Nut** is a precision-engineered, high-performance fastener specifically designed for the reliable and efficient operation of Johnson/Evinrude outboard motors. This prop nut, crafted from durable, corrosion-resistant materials, serves as a critical component in securing the propeller assembly to the motor s lower unit, ensuring optimal power transfer and minimizing vibration during operation. Engineered to meet the rigorous demands of marine environments, this nut is built to withstand the constant stress of high-speed propulsion, saltwater exposure, and varying temperatures, which can otherwise lead to premature wear or failure. Its robust construction features a threaded design that aligns seamlessly with the corresponding propeller shaft, providing a tight, secure fit that prevents loosening even under the most demanding conditions. The prop nut s design incorporates a smooth, streamlined profile to reduce drag and interference with water flow, contributing to improved fuel efficiency and overall motor performance. Whether used in recreational fishing boats, speedboats, or professional watercraft, this component is essential for maintaining the integrity of the propulsion system, ensuring smooth operation, and extending the lifespan of the outboard motor. Its compatibility with a range of Johnson/Evinrude models makes it a versatile and indispensable part for any marine enthusiast or professional seeking dependable performance on the water.

### **Pros and Cons of buying a OMC 203829 Johnson/Evinrude Prop Nut (Propeller Nut for 2038 Series Engines)**

1. **Compatibility** This prop nut is specifically designed for the **OMC 203829** Johnson/Evinrude outboard engine series, ensuring a proper fit without modifications.

2. **Durability** Made from high-quality materials, it is built to withstand the stress of propeller rotation, reducing the risk of loosening or failure over time.

3. **Easy Installation** Designed for straightforward replacement, it can be installed without specialized tools, making it accessible for DIY repairs.

4. **Prevents Propeller Loosening** A common issue with propellers is loosening due to vibration, which can lead to damage or loss. This nut helps secure the propeller in place.

5. **Cost-Effective** Compared to replacing an entire propeller or engine shaft, this is a relatively inexpensive part that extends the life of your propeller.

6. **Warranty Coverage** If purchased from an authorized dealer or manufacturer, it may come with a warranty, providing peace of mind against defects.

1. **Limited Use** This part is **exclusive to the 2038 series engines** (likely older models like the E-TEC or older Evinrude/Johnson outboards). If you have a different engine model, it will not be compatible.

2. **Potential Wear Over Time** While durable, it is not indestructible. If the engine experiences excessive vibration or improper installation, the nut may wear out faster.

3. **Requires Proper Installation** If not tightened correctly, it can lead to loosening or stripping of threads, negating its purpose.

4. **Availability Issues** Older or discontinued models may have limited stock, requiring special ordering from suppliers.

5. **No Universal Fit** Unlike some generic propeller nuts, this is **brand-specific**, meaning it won t work on Yamaha, Mercury, or other outboard brands.

The **OMC 203829 Johnson/Evinrude Prop Nut** is a **practical and cost-effective solution** for securing propellers on compatible 2038-series engines. It prevents common issues like propeller loosening and is easy to install, making it a worthwhile investment for boat owners who maintain their own equipment. However, its **limited compatibility** means it is only useful for specific engine models, and improper installation could lead to failure.

- **Buy it if:** You own a **2038-series Johnson/Evinrude outboard** and are experiencing propeller loosening or need a replacement nut.

- **Avoid it if:** You have a different engine model (check compatibility before purchasing).

- **Consider alternatives if:** You frequently switch between different outboard brands, as a universal propeller nut may be more versatile.

For the best results, **follow the manufacturer s torque specifications** when installing to ensure proper security. If unsure about compatibility, verify with the engine s service manual or an authorized dealer before purchasing.

Details:

Although it does not come with a warranty, you can trust in the craftsmanship and reliability of this genuine manufacturer part to keep your boat operating smoothly on water. OMC 203829 Prop Nut OEM OMC is commonly used on: 20 35 HP, 40 55 60 75 Some 85 140 HP depending on prop shaft diameter. OMC 203829 Prop Nut OEM OMC is commonly used on This prop nut designed to fit specific Johnson Evinrude outboard engines, providing durability and performance for your boating needs. The NEW Johnson Evinrude OMC 203829 Prop Nut is a reliable and high-quality boat part manufactured by in the USA.

part #: 203829 prices

• $10.00-$21.00

specifications ouboaen:

• for makes: Johnson, Evinrude, Omc
• brand: Omc
• mpn: 203829
• part type: Prop
• country of origin: United States

shipping ouboaen:

• transit: 4-8 Days
• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage
• cost: $6.00
• class: Standard

seller ouboaen:

• # reviews: 320
• rating: 99.4%
• city: Sioux Falls, South Dakota

returns ouboaen:

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

offer ouboaen:

• quantity: 2
• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: March 22, 2026
• sold: 0

payments ouboaen:

• other
• credit card: Discover
• wallet: Google-pay

general ouboaen:

• condition: New other see details
• Boat Parts > Outboard Engines Components > Other

Omc 203829 Is Similar To:

• 0123278 0123610 Omc Johnson Evinrude Outboard Motor Binnacle Control Box Handle Kit (36.8% similar) New handle kit fits single and dual mount binnacle controls...(May 28th, 2018)
• 0127084 Brp Evinrude Johnson Omc Stringer Thrust Washer (33.7% similar) Thrust washer...(July 2nd, 2018)
• 0173298 Omc Johnson Evinrude Emergency Ignition Shut Off Switch Nos (46.7% similar) Omc,evinrude,johnson new shut off stop switch kit. These kits are new old stock, they have not been used or opened, this product is no longer in production. Part number: 0173298RETAIL: 22...(March 2nd, 2019)
• 0174033 Omc New Johnson Evinrude (66.7% similar) New oem switch and connector am. If you choose the slow cheap option will get exactly what pay for...(April 30th, 2017)
• 0174811 174811 Johnson Evinrude Omc Stainless Prop Lh Outboard Propeller (50% similar) Condition: used but in good condition and guaranteed to function properly. Part: johnson evinrude stainless LHS counter rotation viper prop x 19P v6 outboard propeller fits various motor parts. Pb please see included pictures...(October 30th, 2018)
• 0176360 176360 Omc Horn Assy Johnson Evinrude (51.8% similar) Part: 2004 -2005 prices...(March 17th, 2019)
• 0176461 Omc Nos Johnson Evinrude Remote Oil Fill Kit (54.3% similar) New Omc item in box...(November 29th, 2018)
• 0176711 176711 0768411 768411 0176711 176711 0768411 Johnson-evinrude-omc-brp 745419070984 (30.8% similar) Never installed or used...(September 11th, 2017)
• 0177284 Evinrude Brp Omc Johnson Outboard Gallon Remote Oil Tank Sensor (30.6% similar) Omc, evinrude, johnson e-etc outboard motor 3 gallon remote oil tank w bracket. Mounting bracket not included. Good for all Omc, evinrude, johnson model's including e-etc will work with Fichte oil sensor has continuity...(January 7th, 2019)
• 0203362 Omc Evinrude Johnson 203362 (45.3% similar) Evinrude johnson cam follower roller and shaft fits diameter 5HP 1957 only fits 10HP 1961 18HP only 1961 ROLLER is...(January 12th, 2018)
• 0282474 Omc Johnson 150 235 (38.8% similar) Used cowl taken from a freshwater 1985 evinrude 150HP motor. This cowl will fit many other years and model's, although the decals are specific to 1985 . The cover shows wear and scratches that would be typical of a part is 30 years old, but in good condition...(May 13th, 2017)