1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 21562715232926762
  3. HONDA 35010-447-921

HONDA 35010-447-921 Lock Key Set Ignition Switch Seat Gas 35010-447-923 Cap

fits model: Cb450sc, Cb450, Nighthawk. make: Honda. year: 1982-85.

35010-447-921 Honda 1982-85 Cb450sc Nighthawk Lock Key Set Ignition Switch Seat Gas Cap Cb450

( Manufacturer Part Number: 35010-447-921 ), ( Part Type: Ignition Switch Lock Seat Cap ), ( Machine Type: Standard ), ( Color: Black ), ( Item Diameter: Oem ), ( Compatible Model: Cb450sc Nighthawk ), ( Material: Steel ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Unit Type: Unit ), ( Ipn: 35010-447-923 ), ( Oe/oem Part Number: 35010-447-922 ), ( Universal Fitment: No ), ( Compatible Year: 1982-1985 ), ( Country Of Origin: Japan )

Review HONDA 1982 85 Lock Key Set Ignition Switch Seat Gas Cap fits NIGHTHAWK CB450SC CB450 1982-85

The **Honda 35010-447-921 Lock Key Set for 1982-1985 CB450SC Nighthawk** is a meticulously crafted, high-quality replacement accessory designed to restore both the security and functionality of your classic Honda motorcycle. This genuine OEM-style key set includes a **durable, precision-cut ignition key** that seamlessly fits the original lock cylinder, ensuring smooth operation without unnecessary wear or resistance. The key is crafted from hardened steel, resistant to bending or breaking, and features a refined design that matches the sleek, retro aesthetic of the Nighthawk s handlebar lock mechanism. Alongside the ignition key, this set also provides a **replacement seat lock key**, allowing you to secure your seat in the upright or down position with ease, a feature essential for both convenience and theft deterrence. Additionally, the set includes a **gas cap key**, ensuring that your fuel tank remains securely sealed, preventing accidental spills and maintaining the integrity of your motorcycle s fuel system. The **ignition switch** in this set is a direct replacement for the original, offering reliable electrical contact and a satisfying click when engaged, which is crucial for smooth starts and proper electrical operation. Whether you're restoring a vintage Nighthawk to its former glory or simply replacing worn-out keys, this set delivers the authenticity and durability expected from Honda s legendary engineering. Perfect for collectors, enthusiasts, and riders who value both performance and heritage, this key set is an indispensable addition to any CB450SC owner s toolkit.

### **Pros and Cons of buying a 1982-85 Honda CB450SC Nighthawk Lock Key Set, Ignition Switch, Seat, and Gas Cap (Part Numbers: 35010-447-921, etc.)**

#### **Pros:**

1. **Authentic Replacement Parts** These components are genuine Honda parts, ensuring a proper fit, reliability, and compatibility with your 1982-85 CB450SC. Aftermarket parts may not match as closely, leading to potential fitment or performance issues.

2. **Enhanced Security** The lock key set provides an extra layer of security for your motorcycle, reducing the risk of theft. The ignition switch is a critical component that, when locked, prevents unauthorized starts.

3. **Improved Comfort** The seat is a direct replacement for the original, meaning it retains the same ergonomic design and padding. If the current seat is worn or damaged, this ensures a more comfortable riding experience.

4. **Prevents Fuel Leaks** The gas cap is a simple but essential part that seals the fuel tank properly. A faulty cap can lead to fuel evaporation, spills, or even vapor lock, which can cause engine stalling.

5. **Easy Installation** Since these are OEM parts, they are designed to be installed without major modifications. Most riders with basic mechanical skills can replace them themselves, saving labor costs.

6. **Maintains Resale Value** Keeping your bike with original or high-quality replacement parts helps maintain its value if you decide to sell it later.

7. **Reliability** Honda parts are known for durability, so these components should last as long as the originals, reducing the need for frequent replacements.

---

#### **Cons:**

1. **Cost** Genuine Honda parts can be more expensive than aftermarket alternatives. While this ensures quality, it may be a significant investment, especially if multiple parts need replacing.

2. **Limited Availability** Finding these exact parts, especially for older models like the CB450SC, may require searching through specialty motorcycle parts dealers, online marketplaces, or contacting Honda directly. Some parts may be discontinued, requiring sourcing from used or salvage yards.

3. **Potential for Counterfeit Parts** If purchasing from an unverified seller (e.g., eBay, Facebook Marketplace, or untrusted online stores), there is a risk of receiving counterfeit or refurbished parts that do not meet Honda s standards. Always verify the seller s reputation and part authenticity.

4. **Time-Consuming Search** Locating all four parts (lock key set, ignition switch, seat, and gas cap) may take time, especially if they are not sold as a complete set. You may need to order them separately, which could delay repairs.

5. **Seat Comfort Variability** While the seat is a direct replacement, its comfort can vary depending on the condition of the original. If the seat is heavily worn or damaged, the replacement may not feel significantly better unless it is new.

6. **Ignition Switch Issues** Some older Honda ignition switches can be finicky, especially if the bike has been sitting unused for a long time. You may need to clean the contacts or replace the switch multiple times if corrosion or wear is present.

7. **Gas Cap Wear** If the gas cap is old, the rubber gasket inside may be dried out or cracked. Even a new cap may not seal perfectly if the tank s fuel line or connections are damaged, leading to ongoing issues.

---

### **Conclusion:**

Buying the **1982-85 Honda CB450SC Nighthawk lock key set, ignition switch, seat, and gas cap** as genuine Honda parts is a **wise investment** if you prioritize **reliability, security, and authenticity**. These components are essential for both functionality and safety, and using OEM parts ensures a proper fit and long-term performance. However, the **higher cost and potential difficulty in sourcing** these parts may be drawbacks, especially for riders on a tight budget or those who prefer aftermarket alternatives.

If you are restoring or maintaining your CB450SC and want to keep it in top condition, these parts are **highly recommended**. If you are looking for a more budget-friendly option, you may consider **aftermarket parts** (e.g., from brands like **Yamaha, Kawasaki, or reputable third-party manufacturers**) for the ignition switch and gas cap, while sticking with Honda for the seat and lock key set if security is a priority.

---

### **Recommendation:**

- **If you value authenticity and long-term reliability**, purchase the **genuine Honda parts** from a trusted dealer (e.g., **Honda Motorcycle Dealers, RockAuto, or eBay with verified sellers**).

- **If budget is a concern**, prioritize the **seat and lock key set** (critical for comfort and security) and consider **aftermarket ignition switches and gas caps** from brands with good reviews (e.g., **KYB, DID, or Motoplat**).

- **Always inspect parts for quality** before purchasing, especially if buying used or from online marketplaces. Check for **signs of wear, corrosion, or damage** in the ignition switch and gas cap gasket.

- **Installation tips:**

- For the **ignition switch**, ensure the wiring is properly connected and the lock mechanism is smooth.

- For the **seat**, check the bolts and padding for any signs of rot or weakness.

- For the **gas cap**, replace the rubber gasket if it appears dry or cracked.

Ultimately, **investing in quality parts now will save you from potential headaches (e.g., fuel leaks, ignition failures, or theft) later**. If you re unsure about installation, consult a mechanic to ensure everything is done correctly.

Details:

Includes ignition switch with good wires and plug, mounting hardware, original Honda key, also seat lock gas cap nice chrome. AK, HI, PR must request a shipping quote prior to purchase. Message with any questions. Free shipping in the contiguous USA.

Free shipping for the contiguous USA only. The Honda key operates all locks. Fits 82-85 CB450SC. OEM lock set from a 1982 CB450SC Nighthawk.

part #: 35010447921 prices

  • $38.99-$143.75

specifications cyclevintagee:

  • for models: Cb450sc, Cb450, Nighthawk
  • for makes: Honda
  • for years: 1982-85
  • mpn: 35010-447-921
  • part type: Ignition Switch Lock Seat Cap
  • machine type: Standard
  • color: Black
  • item diameter: Oem
  • compatible model: Cb450sc Nighthawk
  • material: Steel
  • vintage part: Yes
  • placement on vehicle: Front
  • unit type: Unit
  • ipn: 35010-447-923
  • oe/oem part number: 35010-447-922
  • universal fitment: No
  • compatible year: 1982-1985
  • country of origin: Japan

shipping cyclevintagee:

  • class: Standard
  • cost: $0.00
  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • transit: 5-8 Days
  • carrier: FedEx

returns cyclevintagee:

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

offer cyclevintagee:

  • started: April 4, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

general cyclevintagee:

  • condition: Used
  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

payments cyclevintagee:

  • wallet: Paypal
  • credit card: Visa
  • other

seller cyclevintagee:

  • city: Amelia Court House, Virginia
  • rating: 100.0%
  • # reviews: 4071
for models: cb450sc, cb450, nighthawk, for makes: honda, for years: 1982-85, part type: ignition switch lock seat cap, machine type: standard, item diameter: oem, compatible model: cb450sc nighthawk, vintage part: yes, placement on vehicle: front, unit type: unit, oe/oem part number: 35010-447-922, universal fitment: no, compatible year: 1982-1985, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories, color: black, material: steel, sku: 21562715232926762,
Honda 35010-447-921 Is Similar To:
  • (21.6% similar) It was new and still in the original packaging. Please look at the pictures because they are part of also. The part number is ho this a new old stock honda 350 seat...(March 30th, 2019)
  • (26.4% similar) Honda CT90 CT110 auxiliary canteen gas tank used good condition auxiliary tank bracket strap included gas capsicums as pictured...(August 14th, 2018)
  • (28% similar) ...(July 28th, 2018)
  • (24.1% similar) It is new and in a sealed package. This is a new nos factory honda CA160 CB160 CL160 top end gasket set kit. The original part number is...(October 13th, 2017)
  • (23.8% similar) This is a new nos factory honda CA72 k0 CB72 top end gasket set kit. The original part number is. It is new and in a sealed package...(August 21st, 2018)
  • (28.8% similar) Note: my site only ships within the USA P/N o-ring 18X3 KZ3-L20 gasket, water pump. 2 - P/N ML7-000 washer, sealing 1 - P/N KZ3-L20 gasket, left cover. 1 - P/N KZ3-L21 gasket, cylinder head. Complete set contains the FOLLOWING:1 - P/N KSK-670 gasket, crankcase. Gasket set, complete honda nos P/N KSK...(November 4th, 2018)
  • (28.1% similar) Shipping price reflects lower 48 states. Not trying to hide anything. Is not a toy and I do cancel bids. May be something you can use. I try to supply part numbers when can so there is no question on fitment. I am not an expert. Nos oem genuine honda cb switch kit 1985 GL1200 ltd asp MG975 sold as...(February 18th, 2017)
  • (11.9% similar) Includes all the gaskets in picture here is a new aftermarket engine gasket set for honda mini trail XR70 CRF70 CT70 ATC70 XL70 motorcycles...(August 23rd, 2018)
  • (21.3% similar) Please look at all the pictures and read whole. They may not be clean. Any questions. They may have repairs. Oem original equipment manufacturer which may be new or used items for that machine. They may need some repairs. It is also cheaper if you do not need a lift gate truck. Not looking at the ...(April 25th, 2018)
  • (21% similar) The set includes 1 throttle CABLE,1 front brake cable and rear. Brand new complete cable gray set for the honda QA50...(August 1st, 2018)
  • (25.5% similar) Good stuff if you are riding or restoring aroma racing these cool bikes. This has the 2 compression rings and lower oil control. This is a top-quality aftermarket item shipped new in the package. This will not work on the 1976 CB750A model. This is correct for all of the CB750 f and k model's. ...(September 27th, 2018)
cyclevintagee logo
3 offers $38.99–$143.75 USD
  • Used. Offer #1 priced at $125.00 + $0.00 shipping estimate = $125.00* total. FREE SHIPPING
  • Used. Offer #2 priced at $143.75 + $7.00 shipping estimate = $150.75* total. +$7.00 shipping
  • Used. Offer #3 priced at $38.99 + $0.00 shipping estimate = $38.99* total. FREE SHIPPING

Copyright © cyclevintagee.com