1. Boat Outboard Engines To Buy
  2. sku: 21745036066365793
  3. MERCURY 1682-821306T28

MERCURY 1682-821306T28 Gear Housing Shaft 1.83

fits make: Mercury.

1682-821306t28 Mercury - Gear Housing Assembly Long Shaft 1.83 1

( Manufacturer Part Number: 1682-821306T28 ), ( Part Type: Gear Housing Shaft )

Review MERCURY Gear Housing Assembly Long Shaft 1.83

The **Mercury 1682-821306T28 Gear Housing Shaft (1.83")** is a precision-engineered transmission component designed exclusively for Mercury outboard motors, specifically tailored to models requiring a 1.83-inch diameter shaft. This high-performance part plays a critical role in the smooth operation of the gearcase, ensuring optimal power transfer from the engine to the propeller while maintaining durability under demanding conditions. Crafted from high-grade, corrosion-resistant materials, this shaft is built to withstand the rigors of saltwater environments, frequent starts, and heavy loads, making it an essential upgrade or replacement for boaters seeking reliability and longevity. The shaft s robust construction features a seamless, machined finish that minimizes friction and wear within the gear housing, reducing the risk of premature failure and extending the lifespan of the entire drivetrain system. Whether used in recreational fishing boats, speedboats, or performance cruisers, this shaft delivers the precision fit and structural integrity required to maintain peak performance, ensuring consistent acceleration, smooth shifting, and efficient fuel consumption. Ideal for both new installations and retrofits, the **Mercury 1682-821306T28** is a direct-fit solution that aligns perfectly with the manufacturer s specifications, allowing for easy installation with standard tools and minimal downtime. By incorporating this component into your outboard s drivetrain, you enhance mechanical efficiency, reduce the likelihood of costly repairs, and uphold the performance standards expected from Mercury s trusted marine engineering.

### **Pros and Cons of buying a Mercury 1682-821306-T28 Gear Housing Shaft (1.83")**

#### **Pros:**

1. **Direct Compatibility** This part is designed specifically for Mercury outboard motors, ensuring a precise fit with minimal modifications required. It is a direct replacement for the original gear housing shaft in compatible models, reducing the risk of installation errors.

2. **Durability and Performance** Mercury outboards are known for their reliability, and OEM (Original Equipment Manufacturer) parts like this shaft are built to the same high standards as factory components. This means it should provide long-term durability, especially if the motor is well-maintained.

3. **Warranty Coverage** Purchasing from an authorized dealer or Mercury-approved supplier may include a warranty, offering protection against defects in materials or workmanship. This can provide peace of mind, particularly if the part is critical to the motor s function.

4. **Ease of Installation** Since it is a direct replacement, replacing the shaft should be straightforward for someone with basic mechanical skills. Most users can install it themselves with the right tools, saving labor costs compared to professional repairs.

5. **Prevents Further Damage** If the original shaft was failing (e.g., due to wear, corrosion, or a previous accident), replacing it promptly can prevent more extensive damage to the gear housing, lower unit, or propeller shaft. This can save money in the long run by avoiding costly repairs.

6. **Maintains Resale Value** Keeping the motor in good condition with OEM parts helps maintain its resale value. Potential buyers often prefer boats with well-maintained, original components.

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#### **Cons:**

1. **Cost** OEM parts like this shaft can be more expensive than aftermarket alternatives. While they offer reliability, the price may be a barrier for budget-conscious buyers, especially if the motor is older or the part is no longer in high demand.

2. **Limited Availability** Older or discontinued models may have parts that are harder to source. If the motor is no longer in production, finding the exact part (or a compatible alternative) could require extra effort or higher prices from specialty suppliers.

3. **Potential for Counterfeit Parts** Buying from unapproved sellers (e.g., third-party online marketplaces without verification) risks receiving counterfeit or low-quality replicas. These may fail prematurely or not fit correctly, voiding warranties and causing further issues.

4. **Installation Complexity for Non-Mechanics** While the part itself is straightforward, removing the old shaft may require disassembling the lower unit, which can be tricky for those without mechanical experience. Improper handling could lead to damage to seals, bearings, or other components.

5. **No Upgrades or Improvements** Unlike aftermarket parts, this is a direct replacement with no performance enhancements. If you re looking for increased durability, lighter weight, or other modifications, aftermarket options might offer better value.

6. **Depreciation Over Time** If the motor is older and the boat is no longer in regular use, the cost of maintaining it with OEM parts may outweigh the long-term benefits, especially if the boat s value has declined significantly.

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### **Conclusion:**

The Mercury 1682-821306-T28 gear housing shaft is a reliable, high-quality replacement part that ensures compatibility and durability for compatible outboard motors. It is ideal for users who prioritize original equipment standards, warranty coverage, and ease of installation. However, the higher cost and potential challenges in sourcing or installing it may make it less appealing for budget-conscious buyers or those without mechanical experience.

For most owners who need a direct replacement to restore or maintain their motor s function, this part is a sound investment. If cost is a concern, comparing it to high-quality aftermarket alternatives (from reputable brands) may reveal a more economical option without sacrificing performance.

### **Recommendation:**

- **Buy from an authorized dealer or Mercury-approved supplier** to ensure authenticity and warranty coverage.

- **Verify compatibility** with your exact motor model to avoid purchasing the wrong part.

- **Consider aftermarket options** if you re on a tight budget, but research brands with strong reputations for outboard parts (e.g., Seafoam, Evinrude/Johnson-compatible aftermarket shafts).

- **If installing yourself**, follow the manufacturer s instructions carefully and consider consulting a marine mechanic if you re unsure about disassembling the lower unit.

- **Weigh the long-term value** of the motor against the cost of the part if the boat is no longer in regular use, the expense may not be justified.

For most cases where reliability and OEM standards are important, this shaft is a **strong recommendation**. However, weigh the pros and cons against your specific needs before purchasing.

Details:

Propeller is beat up but will come with. Tested and filled with new gear lube when removed. Shows signs of wear, dirt, use. This is a used gear case assembly.

Manufacturer Mercury Quicksilver. Ratio is 1.83:1. Part Number Mercury 1682-821306T28Mercury T28Mercury 821306T28.

part #: 1682821306t28 prices

  • $950.00-$1049.99

specifications ouboaen:

  • for makes: Mercury
  • mpn: 1682-821306t28
  • part type: Gear Housing Shaft

shipping ouboaen:

  • type: Calculated
  • class: Standard
  • service: UPS Ground
  • cost: $71.30
  • transit: 4-10 Days
  • carrier: UPS

seller ouboaen:

  • # reviews: 38
  • city: South Lyon, Michigan
  • rating: 100.0%

general ouboaen:

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

returns ouboaen:

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

payments ouboaen:

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

offer ouboaen:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: February 2, 2026
  • sold: 0
for makes: mercury, part type: gear housing shaft,
category: boat parts > outboard engines components, sku: 21745036066365793,
Mercury 1682-821306T28 Is Similar To:
ouboaen logo
2 offers $950.00–$1049.99 USD
  • Used. Offer #1 priced at $1049.99 + $75.00 shipping estimate = $1124.99* total. This lower unit is in great condition.+$75.00 shipping
  • Used. Offer #2 priced at $950.00 + $79.13 shipping estimate = $1029.13* total. Shows signs of wear, dirt, use. This is a used gear case assembly.+$79.13 shipping

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