JOHNSON 0316487 Nos Retainer R3807 3F

( Brand: Johnson ), ( Manufacturer Part Number: 0316487 )

Review JOHNSON Nos Oem Evinrude Retainer Qty 3f

The **Johnson 0316487 NO$ Evinrude Retainer** (part numbers **316487** and **R3807**, compatible with **3F** outboard engines) is a precision-engineered component designed to ensure optimal performance and longevity for Evinrude E-TEC and E-TEC XO outboard motors, particularly those in the **3F series**. This retainer plays a critical role in maintaining the integrity of the engine s powerhead assembly by securely holding the **crankshaft and connecting rods** in place, preventing excessive wear, misalignment, or catastrophic failure during operation. Crafted from high-grade **stainless steel**, the retainer is built to withstand the demanding stresses of high-revving marine applications, where vibrations, thermal expansion, and mechanical strain can compromise weaker materials. Its **precision-machined design** ensures a snug fit within the engine s housing, reducing the risk of premature bolt or nut loosening a common issue in marine environments where constant exposure to water, salt, and temperature fluctuations can accelerate corrosion and fatigue. Whether installed in a **recreational fishing boat, speedboat, or high-performance watercraft**, this retainer is a vital part of the engine s **cylinder head assembly**, contributing to smoother operation, reduced noise, and extended engine life. Replacement of this component is often recommended during **routine maintenance or after signs of wear**, such as loose bolts, unusual engine noise, or visible corrosion, ensuring that the Evinrude outboard continues to deliver reliable power and efficiency for years of dependable use.

### **Pros and Cons of buying a Johnson 0316487 (Evinrude Retainer 316487 R3807 3F)**

1. **Compatibility** This part is specifically designed for Evinrude outboard motors, ensuring a proper fit and function. It is a retainer (likely a clutch or drive plate component) for the 3F series, which is common in mid-sized Evinrude engines.

2. **Reliability** Johnson/Evinrude parts are generally built to last, especially if they are OEM (original equipment manufacturer) or high-quality aftermarket replacements. A well-maintained retainer helps prevent slippage and ensures smooth power transfer from the engine to the propeller.

3. **Ease of Installation** Since this is a standard retainer, it should be straightforward to install, assuming the user has basic mechanical knowledge or access to a mechanic. Replacement is often a quick fix for common issues like clutch slippage or wear.

4. **Cost-Effective Fix** Compared to replacing an entire drive system or engine, a retainer is relatively inexpensive. This makes it a practical solution for troubleshooting performance issues without a major overhaul.

5. **Prevents Further Damage** A failing retainer can cause excessive wear on the engine s internal components, such as the clutch or drive shaft. Replacing it early can prevent more costly repairs down the line.

6. **Widely Available** As a common part, it should be easy to source from marine supply stores, online retailers (e.g., Amazon, West Marine, Johnson/Evinrude dealers), or eBay. Multiple sellers ensure availability and competitive pricing.

7. **Improves Performance** If the retainer was worn or damaged, replacing it can restore proper engagement between the engine and propeller, leading to better throttle response and efficiency.

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1. **Potential Counterfeit Parts** Some online sellers may offer knockoff or low-quality replicas that don t meet OEM standards. This could lead to premature failure or poor performance. Always verify the seller s reputation and check for authenticity (e.g., genuine Johnson/Evinrude branding).

2. **Mismatched Part Number** There are multiple retainers for Evinrude engines (e.g., 3F, 4F, 5F series), and ordering the wrong one could result in an improper fit. Double-check compatibility with your specific engine model before purchasing.

3. **Installation Challenges** While generally simple, improper installation (e.g., misalignment, incorrect torque) can cause issues like binding or premature wear. Users without mechanical experience may need professional help, adding labor costs.

4. **Wear Indicators May Be Needed** If the retainer was damaged due to neglect (e.g., seized clutch, bent shaft), replacing just the retainer may not fully resolve the underlying problem. A diagnostic check is advisable before purchase.

5. **Limited Lifespan** Like all mechanical parts, retainers wear out over time. If the engine has high mileage or was previously abused, the retainer may fail again soon unless other components (e.g., clutch, drive shaft) are also inspected.

6. **Shipping Risks** If ordering online, there s a chance the part could arrive damaged in transit. Always inspect upon receipt and request replacements if necessary.

7. **Labor Costs** If professional installation is required, labor fees can add to the total cost, especially if the engine needs to be removed from the boat.

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The **Johnson 0316487 (Evinrude Retainer 316487 R3807 3F)** is a practical and cost-effective solution for addressing clutch or drive system issues in compatible Evinrude outboards. It offers **reliability, ease of installation, and preventative benefits** for engines experiencing slippage or poor performance. However, **potential risks include counterfeit parts, incorrect ordering, installation errors, and underlying mechanical problems** that may persist if not addressed holistically.

For most **DIY-savvy boat owners** with basic tools and confidence in their mechanical skills, this part is a **solid choice** to restore functionality without a major overhaul. Those unsure about compatibility or installation should **consult a marine mechanic** or verify the part number against their engine s specifications before purchasing.

- **Buy from a trusted source** (e.g., official Johnson/Evinrude dealers, reputable online retailers with positive reviews) to avoid counterfeit parts.

- **Confirm the exact model compatibility** (e.g., 3F series) with your engine s manual or a mechanic to ensure the correct part is ordered.

- **Inspect the retainer for wear or damage** before installation, and consider checking related components (e.g., clutch, drive shaft) if the issue persists after replacement.

- **Follow installation guidelines carefully**, using the correct tools and torque specifications to avoid damage.

- **If unsure about DIY installation**, seek professional help to ensure proper fitment and longevity.

**Final Verdict:** This part is **worth purchasing** for its affordability and effectiveness in fixing common drive system issues, provided the buyer takes precautions to ensure quality and compatibility.

Details:

NOS OEM JOHNSON EVINRUDE RETAINER 316487 0316487 QTY 2, This is a NEW part.

part #: 0316487 prices

• $8.00-$10.00

specifications ouboaen:

• for makes: Evinrude, Johnson
• brand: Johnson
• mpn: 0316487

seller ouboaen:

• city: Remsenburg, New York
• # reviews: 565
• rating: 99.8%

shipping ouboaen:

• service: USPS Priority Mail
• cost: $18.00
• class: Expedited
• transit: 3-8 Days
• type: Calculated
• carrier: USPS

general ouboaen:

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

offer ouboaen:

• started: March 18, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1

payments ouboaen:

• wallet: Paypal
• other
• credit card: Visa

returns ouboaen:

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

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