KAWASAKI 21-30264 Koito Headlight Bezel Nos 4020 3Y6

( Manufacturer Part Number: 21-30264 ), ( Type: Headlight Assembly ), ( Oe/oem Part Number: 4020 3y6 ), ( Housing Color: Chrome ), ( Country Of Origin: United States ), ( Lighting Technology: Halogen )

Review KAWASAKI Koito Headlight Bezel 3y6 Nos Oem Genuine fits 1971–1974

The **Kawasaki 1971 1974 Koito Headlight Bezel (Part #21-30264, 4020, 3Y6, NOS)** is a meticulously crafted, no-surgery (NOS) restoration-quality component designed to restore the classic, aggressive aesthetic of early Kawasaki motorcycles, particularly the iconic 400cc and 350cc models from the early 1970s. This headlight bezel is a precision-molded, high-gloss black plastic piece, engineered to fit seamlessly over the original Koito halogen headlight assembly, which was standard on Kawasaki s 1971 1974 models, including the legendary 350 and 4020 engines. The bezel features a bold, angular design with sharp, clean lines that accentuate the motorcycle s sporty, performance-oriented heritage, while the matte black finish ensures a timeless, understated elegance that complements both vintage and modern custom builds. Crafted from durable, UV-resistant plastic, this part is built to withstand the elements, resisting yellowing and cracking over time, making it an ideal choice for riders who prioritize both authenticity and longevity. Whether restoring a show-worthy classic or enhancing the visual appeal of a modern chopper, this NOS bezel delivers unmatched authenticity, ensuring a perfect fit and a polished, museum-quality appearance. Its compatibility with the 3Y6 headlight assembly further solidifies its place as a must-have for enthusiasts seeking to preserve or revive the raw, unfiltered spirit of Kawasaki s golden era.

### **Pros and Cons of Buying a Kawasaki 21-30264 (1971 1974 Koito Headlight Bezel, 4020 3Y6 NOS)**

#### **Pros**

1. **Original and Rare NOS (New Old Stock) Condition**

- The part is listed as NOS, meaning it has never been installed or used, preserving its original factory condition. This ensures no wear, rust, or modifications, making it a reliable replacement.

- Koito headlight bezels from this era are highly sought after by collectors and restorers, as Koito was a premium supplier for Japanese motorcycles in the 1970s.

2. **Authentic Fitment for Classic Kawasaki Models**

- The **21-30264** part number corresponds to the headlight bezel for Kawasaki s **Z1 (1972 1978)**, **Z1-R (1973 1975)**, and other early 400cc/700cc models from the early 1970s.

- The **4020 3Y6** designation suggests it may be a specific variant (possibly for a right-side or left-side fitment, depending on the model), ensuring compatibility with the original design.

3. **Aesthetic and Restorative Value**

- The **Koito headlight bezel** was known for its sleek, chrome-finished design, which enhances the vintage look of a restored Kawasaki.

- Replacing a cracked, rusted, or aftermarket bezel with an original part improves the bike s authenticity and resale value.

4. **Durability and Longevity**

- Original Kawasaki/Koito parts were built to last, using materials that resist corrosion better than modern alternatives in some cases.

- The bezel is a relatively simple but critical component replacing it prevents light leaks and maintains proper alignment of the headlight assembly.

5. **Investment Potential for Enthusiasts**

- NOS parts for classic Japanese motorcycles are becoming increasingly rare and expensive. Owning an original Koito bezel could be a small but meaningful addition to a collection.

- If restoring a rare Kawasaki, having genuine NOS components can significantly boost its value in the vintage market.

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#### **Cons**

1. **High Cost Relative to Modern Alternatives**

- NOS parts, especially from the 1970s, command premium prices due to scarcity. This bezel may cost significantly more than a reproduction or aftermarket replacement.

- If budget is a concern, there may be newer but compatible aftermarket bezels available at a lower price, though they may not match the original quality.

2. **Potential for Overpaying**

- The market for NOS parts can be speculative. Some sellers may inflate prices due to demand, especially if the part is rare or in high demand among collectors.

- Researching recent sales of similar parts (e.g., on eBay, Facebook Marketplace, or specialty forums) can help determine if the asking price is reasonable.

3. **Logistical Challenges**

- Shipping NOS parts can be risky damage during transit is a concern, and insurance may add to the cost.

- If the buyer is outside Japan or the U.S., customs fees, import taxes, or restrictions on vintage parts may apply.

4. **Limited Availability of Supporting Documentation**

- Unlike modern parts, NOS items from the 1970s may not come with original packaging, manuals, or proof of authenticity. Verifying the part s history (e.g., whether it was truly unused) can be difficult.

- Some sellers may not provide a certificate of authenticity, leaving room for doubt about its condition.

5. **Potential for Incompatibility with Modified Bikes**

- If the Kawasaki has been heavily modified (e.g., aftermarket headlight housings, different fairings, or non-standard wiring), the original bezel may not fit perfectly.

- The **3Y6** suffix might indicate a specific variant (e.g., left/right side, model year), so confirming exact fitment is crucial before purchase.

6. **Maintenance and Storage Concerns**

- Even NOS parts require proper storage to prevent rust or damage. If the bezel has been sitting in a garage or attic for decades, it may still need cleaning or polishing before installation.

- Some buyers may need to source additional tools or adhesives (e.g., rubber cement for securing the bezel) to ensure a proper fit.

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### **Conclusion**

- **Authenticity and restoration** are priorities, and you re willing to pay for an original part.

- The bike is a **collector s item or a project** where NOS components enhance value.

- You ve **verified the part s condition, fitment, and seller reputation** to avoid scams or overpaying.

- You re prepared for the **higher cost** compared to aftermarket alternatives.

- **Budget is tight**, and a reproduction or modern replacement would suffice.

- The bike is **heavily modified**, making original parts less practical.

- You re unable to **confirm the part s authenticity or condition** before purchase.

### **Recommendation**

1. **Research Thoroughly** Check forums (e.g., Kawasaki Owners Club, Cycle World, or Japanese motorcycle restoration groups) for confirmation on the part s exact fitment and common issues.

2. **Compare Prices** Look for similar NOS parts to ensure the asking price is fair. If the price seems excessive, consider waiting for a better deal or negotiating.

3. **Inspect Carefully** If possible, request photos/videos of the part in person or via a trusted third party to confirm it s in pristine condition.

4. **Consider Alternatives** If the cost is prohibitive, look for **high-quality reproductions** (e.g., from Japanese aftermarket suppliers like **Kawasaki Parts, Speed Pro, or Japanese import shops**) that offer similar aesthetics at a lower price.

5. **Proceed with Caution** If buying from a private seller, use a secure payment method (e.g., PayPal Goods & Services) and ensure shipping insurance is in place.

**Final Verdict:** This is a **solid purchase for serious restorers or collectors**, but not a necessary upgrade for casual riders or those on a tight budget. If the part fits your project s goals and you ve done your due diligence, it s a worthwhile investment in authenticity.

Details:

1971 1972 1973 1974 Kawasaki Koito Headlight with Bezel 21-30264 # 4020 3Y6 395C 6V 30/30W NOS OEM Genuine.

part #: 2130264 prices

• $75.00-$201.99

specifications cyclelightasm:

• for makes: Kawasaki
• for years: 1971-1974
• mpn: 21-30264
• type: Headlight Assembly
• oe/oem part number: 4020 3y6
• housing color: Chrome
• country of origin: United States
• lighting technology: Halogen

shipping cyclelightasm:

• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage
• cost: $15.00
• class: Standard
• transit: 5-9 Days

offer cyclelightasm:

• options: Ship-to-home
• availability: In Stock
• started: February 15, 2026
• sold: 0
• best offers: True
• quantity: 1

general cyclelightasm:

• condition: New
• Motorcycle Scooter Parts Accessories > Lighting Lamps > Headlight Assemblies

payments cyclelightasm:

• wallet: Paypal
• other
• credit card: Discover

seller cyclelightasm:

• # reviews: 3993
• city: Longmont, Colorado
• rating: 100.0%

returns cyclelightasm:

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

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