1. Motorcycle Intake & Fuel Systems Deals
  2. sku: 22930584712447721
  3. HONDA 484722-394-43

HONDA 484722-394-43 Air Boxbox Box Cleaner Filter Housing Airbox

fits model: Cb650sc, Nighthawk. make: Honda. year: 1983–1985.

484722-394-43 Honda 1983 1984 1985 Cb650sc Nighthawk Airbox Air Box Cleaner Filter Housing

( Manufacturer Part Number: 484722-394-43 ), ( Part Type: Box Cleaner Filter Housing ), ( Country Of Origin: Japan )

Review HONDA Airbox Air Box Cleaner Filter Housing fits NIGHTHAWK CB650SC 1983–1985

The **Honda 484722-394-43 Airbox Assembly** is a meticulously engineered component designed exclusively for the iconic **1983, 1984, and 1985 Honda CB650SC Nighthawk**, ensuring optimal airflow and performance for this legendary sport-touring motorcycle. This high-quality replacement part replaces the original airbox, air cleaner filter housing, and associated components, providing a seamless fit for riders seeking to restore or upgrade their Nighthawk s intake system. Crafted from durable materials, the airbox features a robust, weather-resistant construction that guards against dust, debris, and moisture, safeguarding the engine s internal components while maintaining peak efficiency. The integrated filter housing is designed to accommodate a high-performance air filter, allowing for enhanced airflow and improved throttle response ideal for both stock and modified setups. Whether restoring a classic Nighthawk to factory specifications or optimizing its performance for modern riding demands, this airbox assembly delivers reliability, precision, and the timeless engineering that Honda is renowned for. Its straightforward installation and compatibility with aftermarket filters make it a versatile choice for enthusiasts looking to preserve their bike s heritage while pushing its limits.

### **Pros and Cons of Buying a 1983-1985 Honda CB650SC Nighthawk Airbox Cleaner Filter Housing (Part #484722-394-43)**

#### **Pros:**

1. **Improved Airflow and Performance** A clean or upgraded air filter housing ensures better airflow to the engine, which can enhance throttle response, power delivery, and overall engine efficiency. This is particularly beneficial if the bike has been neglected or used in dusty conditions.

2. **Prevents Engine Damage** A clogged or dirty air filter restricts airflow, forcing the engine to work harder and potentially leading to carbon buildup, reduced fuel efficiency, or even long-term damage. A clean or properly maintained airbox helps prevent these issues.

3. **Cost-Effective Maintenance** Replacing or cleaning the airbox filter housing is a relatively inexpensive part of routine maintenance compared to major engine repairs. It s a simple DIY job that can save money on professional labor.

4. **Compatibility with Modifications** If you plan to modify the bike (e.g., adding a high-flow air filter or performance exhaust), a clean or upgraded airbox housing is often required to accommodate these changes without leaks or airflow restrictions.

5. **Extends Engine Lifespan** Proper airflow ensures the engine runs cleaner and cooler, reducing wear on internal components like pistons, valves, and cylinders. This can help prolong the life of the engine, especially on older bikes.

6. **Easy to Install** The airbox housing on the CB650SC is straightforward to remove, clean, or replace, making it a manageable task for most riders with basic mechanical skills.

7. **Available OEM and Aftermarket Options** Honda still produces genuine replacement parts, and aftermarket alternatives (such as high-performance filters or upgraded housings) are widely available, offering flexibility in terms of quality and cost.

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#### **Cons:**

1. **Potential for Contamination** If the airbox housing is removed for cleaning or replacement, dust, debris, or even small metal shavings from the engine bay could enter the system if not handled carefully. This requires thorough cleaning before reassembly.

2. **O-Ring and Seal Wear** Older airbox housings may have worn or dried-out O-rings or gaskets, leading to air leaks if not replaced. This can negate the benefits of a clean filter and reduce performance.

3. **Limited Performance Gains for Stock Engines** While a clean airbox helps, the CB650SC s stock engine is not known for extreme power gains from airflow modifications alone. Significant improvements would require complementary upgrades (e.g., carburetor tuning, exhaust, or camshaft changes).

4. **Aftermarket Risks** Cheap or low-quality aftermarket airbox housings or filters may not fit properly, leak, or restrict airflow more than the original. Always opt for reputable brands if going aftermarket.

5. **Time-Consuming for Neglected Bikes** If the bike has been stored for years with a dirty airbox, the surrounding components (e.g., carburetors, throttle body) may also require cleaning or adjustment, adding to the maintenance workload.

6. **Potential for Over-Cleaning** Some riders may over-clean the airbox, removing necessary grease or sealants from gaskets, leading to leaks or difficulty reassembling the housing properly.

7. **Depreciation Factor** If the bike is older and not well-maintained, replacing or upgrading the airbox housing may not significantly increase its resale value. However, this is more of a general concern for the bike s condition rather than the part itself.

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### **Conclusion:**

The **Honda CB650SC Nighthawk airbox cleaner filter housing (484722-394-43)** is a **practical and cost-effective upgrade or maintenance item** for riders looking to improve airflow, engine health, and overall performance. The benefits such as better throttle response, reduced engine strain, and preventative maintenance outweigh the minor drawbacks, especially for those who plan to keep the bike running reliably.

The **main risks** (contamination, leaks, or poor aftermarket choices) can be mitigated with **proper cleaning techniques, O-ring replacement, and quality parts**. For riders who prioritize **maintenance, longevity, or minor performance tweaks**, this part is a **strong recommendation**. However, if the bike is already neglected or you re looking for **major power gains**, addressing the airbox should be part of a **broader maintenance or modification plan**.

### **Recommendation:**

- **If the bike is stock and in decent condition**, replacing or cleaning the airbox housing is a **simple, high-reward task** that should be done as part of routine maintenance.

- **If the bike is neglected**, use this as an opportunity to **deep-clean the entire engine bay**, check carburetors, and replace worn seals.

- **For performance-oriented riders**, consider pairing this with a **high-quality aftermarket air filter** (e.g., K&N, Mikuni, or Honda s own high-flow filter) for better airflow.

- **Always use genuine Honda O-rings or high-quality aftermarket replacements** to avoid leaks.

- **If unsure about installation**, consult a mechanic or follow detailed YouTube guides specific to the CB650SC model year.

**Final Verdict:** **Worth the investment** for any rider looking to maintain or slightly enhance their bike s performance. Prioritize quality parts and proper installation to maximize benefits.

Details:

Removed from a 1983 CB650SC.

part #: 48472239443 prices

  • $44.00-$45.00

specifications intakefuelmotorcycle:

  • for models: Cb650sc, Nighthawk
  • for makes: Honda
  • for years: 1983-1985
  • mpn: 484722-394-43
  • part type: Box Cleaner Filter Housing
  • country of origin: Japan

returns intakefuelmotorcycle:

  • policy: No Returns

general intakefuelmotorcycle:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

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  • rating: 98.3%
  • city: Lerna, Illinois
  • # reviews: 134

offer intakefuelmotorcycle:

  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: March 14, 2026
  • options: Ship-to-home

shipping intakefuelmotorcycle:

  • type: Calculated
  • class: Standard
  • service: USPS Ground Advantage
  • cost: $0.00
  • carrier: USPS
  • transit: 5-11 Days
for models: cb650sc, nighthawk, for makes: honda, for years: 1983-1985, part type: box cleaner filter housing, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 22930584712447721,
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2 offers $44.00–$45.00 USD
  • Used. Offer #1 priced at $44.00 + $0.00 shipping estimate = $44.00* total. Removed from a 1983 cb650sc.FREE SHIPPING
  • Used. Offer #2 priced at $45.00 + $0.00 shipping estimate = $45.00* total. FREE SHIPPING

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