YAMAHA 663-45119-00 Nos Outboard Grease Nipple Caps

( Manufacturer Part Number: 663-45119-00 ), ( Part Type: Cap ), ( Country Of Origin: Japan )

Review YAMAHA Nos Vintage Outboard Grease Nipple Caps Part

The **Yamaha 663-45119-00 NOS Outboard Grease Nipple Caps** are precision-engineered, high-performance replacement components designed exclusively for Yamaha outboard motors, ensuring optimal lubrication and protection for critical grease fittings. These durable, nickel-plated brass caps are crafted from corrosion-resistant materials to withstand the harsh marine environment, preventing rust, saltwater corrosion, and premature wear on the grease nipples of your outboard engine. Engineered to fit seamlessly with Yamaha s proprietary grease fitting system, these caps maintain a secure, leak-proof seal while allowing easy access for greasing applications, whether during routine maintenance or overhauls. Their smooth, threaded design ensures a snug, vibration-resistant fit, reducing the risk of loosening under the stress of high-performance operation or rough water conditions. Ideal for both new installations and replacements, these caps are a must-have for boat owners seeking long-term reliability and ease of maintenance. With their robust construction and compatibility with Yamaha s outboard models, these grease nipple caps are a simple yet essential upgrade for preserving the performance and longevity of your engine s moving parts.

**Pros and Cons of Buying Yamaha 663-45119-00 NOS Outboard Grease Nipple Caps**

1. **New Old Stock (NOS) Quality:** NOS parts are typically sourced from inventory that has not been previously used or installed. This ensures that the grease nipple caps are in pristine condition, free from wear, damage, or contamination that might occur during shipping or storage over time.

2. **Reliability and Performance:** Since these parts are new, they are likely to function as intended without the risk of failure due to age or misuse. This can contribute to the smooth operation of your outboard motor, reducing the likelihood of mechanical issues related to grease nipple wear.

3. **Compatibility:** Yamaha parts are designed specifically for Yamaha outboards, ensuring a perfect fit and compatibility with your engine. This reduces the risk of improper installation or function issues that might arise with aftermarket or non-matching parts.

4. **Warranty and Support:** Yamaha often provides warranties or support for their parts, even if they are NOS. This can offer peace of mind in case there are any defects or issues with the product.

5. **Preservation of Original Equipment:** If you are restoring or maintaining an older outboard motor, using NOS parts helps preserve the originality and authenticity of the build. This is particularly appealing to collectors or enthusiasts who value original components.

6. **Ease of Installation:** Since the parts are new, they should be easier to install compared to used parts that might be worn or damaged. This can save time and effort during maintenance or repair work.

---

1. **Cost:** NOS parts are generally more expensive than used or aftermarket alternatives. The premium price reflects their condition and the fact that they have not been previously installed. This can be a significant drawback if you are operating on a tight budget.

2. **Limited Availability:** NOS inventory can be limited, especially for older or less common parts. This may result in longer lead times or difficulty in sourcing the exact part you need, particularly if the model is discontinued.

3. **Ethical Concerns:** Some buyers may have reservations about purchasing NOS parts, as they are essentially "new" parts that have been sitting in storage for an extended period. This can raise questions about whether the parts are truly unused or if they have been handled in ways that could affect their quality.

4. **Overkill for Some Applications:** If you are not restoring or maintaining a high-value or collectible outboard, the benefits of NOS parts may not justify the cost. For everyday use, standard replacement parts or aftermarket alternatives might be sufficient and more cost-effective.

5. **Potential for Counterfeit or Mislabeled Parts:** The NOS market can sometimes be flooded with counterfeit or mislabeled parts. Buyers must be cautious and purchase from reputable sellers to ensure they are getting the genuine Yamaha part they expect.

6. **Environmental Impact:** NOS parts contribute to the demand for new manufacturing, even if the parts themselves are unused. This may not align with the sustainability goals of buyers who prefer to reuse or repurpose existing parts.

---

The decision to purchase Yamaha 663-45119-00 NOS outboard grease nipple caps depends largely on your priorities, budget, and the specific needs of your outboard motor. If you are restoring a classic or high-value Yamaha outboard, maintaining authenticity, or prioritizing reliability and performance, the benefits of NOS parts may outweigh the costs. The pristine condition and compatibility of NOS parts can make them a worthwhile investment for enthusiasts and collectors.

However, if you are working with a standard outboard motor on a budget, or if you prioritize sustainability and cost-effectiveness, standard replacement parts or aftermarket alternatives might be more appropriate. In such cases, the higher cost and potential availability issues of NOS parts may not be justified.

---

For most casual boaters or those maintaining a non-collectible outboard motor, purchasing standard replacement Yamaha grease nipple caps (even if not NOS) is likely the most practical and cost-effective choice. These parts will provide reliable performance without the premium price tag.

If you are restoring a classic Yamaha outboard or have a strong preference for original equipment, investing in NOS parts like the Yamaha 663-45119-00 grease nipple caps is a justified choice. Ensure you purchase from a trusted seller to avoid counterfeit or mislabeled items. Additionally, consider whether the cost aligns with your budget and the overall value of the project.

Ultimately, weigh the pros and cons against your specific situation to make an informed decision. If you are unsure, consulting with a Yamaha dealer or a marine mechanic experienced with outboard restoration can provide valuable guidance.

Details:

This would make a Great addition to any collection. Offering 5 NOS Vintage YAMAHA PARTS, as shown in photo. I will combine shipping in USA to save you $.

part #: 6634511900 prices

• $7.14-$8.23

specifications ouboaen:

• for makes: Yamaha
• mpn: 663-45119-00
• part type: Cap
• country of origin: Japan

general ouboaen:

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

shipping ouboaen:

• class: Standard
• carrier: USPS
• transit: 3-7 Days
• service: USPS Ground Advantage
• cost: $6.49
• type: Fixed

offer ouboaen:

• started: March 3, 2026
• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock

returns ouboaen:

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

seller ouboaen:

• city: Virginia, Minnesota
• rating: 100.0%
• # reviews: 204

payments ouboaen:

• wallet: Paypal
• other
• credit card: Mastercard

Yamaha 663-45119-00 Is Similar To:

• 0000001 Yamaha Oem Outboard Digital (38.8% similar) Display photos show actual product buyer will get...(April 20th, 2017)
• 000001 Yamaha Dual Outboard Engine (39.2% similar) Was told that one of the neutral switches replaced inside, wiring harness extension is included need to be connected back because taken apart when rigging removed from boat. Some small parts and screws might be missed. Sometimes I just was unable to test it or some parts screws might be missed. ...(September 16th, 2017)
• 0x66 Yamaha Hp Outboard Motor (37.1% similar) Replaced gear lube but likely needs seal kit or new lower end. Compression on all cylinders. It is a standard left rotation and has just over 1100 hrs. This is a 1999 yamaha 225 hp OX66 saltwater series 2 stoke with lower end had some water in gear lube...(February 3rd, 2019)
• 10319 Stiletto Stainless Prop Mercury Yamaha Outboard Propeller (32.1% similar) Condition: used but in good condition and guaranteed to function properly. Part: 10319 stiletto stainless prop x 19P v6 mercury yamaha outboard propeller fits various mariner motor parts. Please see included pictures...(August 24th, 2018)
• 10321 Stiletto Prop Mercury Mariner Yamaha Outboard Propeller (32.6% similar) May fit more engines. Condition: used but in good condition and guaranteed to function properly. Please see included pictures. Part: 10321 stiletto prop x 21P v6 mercury mariner yamaha outboard propeller fits various motor parts. This propeller will also fit yamaha outboard motors with the correct ...(January 7th, 2019)
• 152041 Oem Yamaha Outboard Premier Ii Cable New In Box (41% similar) They are yamaha premier cabled 15 foot length I have 2 available this offer is for 1 thanks good luck. I got these for a boat was working on and needed up not using them, think paid over 50 each...(July 1st, 2018)
• 16715m Mercury Mariner Yamaha Outboard Linkage Rod Connector Joint (34.3% similar) Item mercury joint, part number 16715M. New old stock from dealer close out...(December 27th, 2018)
• 173362 Yamaha Outboard Boat Motor (37.6% similar) Yamaha outboard motor concealed side mount - control box item is a take off and like new...(March 27th, 2017)
• 18-2374 Sierra Marine Yamaha Outboard Magnetic Drain Screw Replaces (34.1% similar) Sierra marine yamaha outboard magnetic drain screw replaces 00USES gasket not included m8 thread...(January 22nd, 2019)
• 18-3066 Sierra Marine Mercury Mariner Yamaha Impeller Outboard 030999315182 (25.2% similar) Sierra marine mercury mariner YAMAHAOUTBOARDIMPELLER18-3066 mfr: part order UPC: 82 condition: new : mercury yamaha impeller. Mercury mariner outboards:replaces: 47-11590MYAMAHA 6G1 00FITS: 6/8 hp...(October 28th, 2018)
• 18-3450 Sierra Marine Water Pump Kit For Yamaha Outboard Motor New (29.9% similar) Replaces: yamaha 68T-W0078-00- 69G-W0078 fits: T8, f6 f8 kit contains: impeller insert cup plate water seal damper key bolt. Sierra marine water pump kit for yamaha outboard motor high-quality kits are designed to meet oem standards...(January 17th, 2019)