HONDA 21100-HE0-670 Reduction Gearbox Transmission Differential

( Assembly: Yes ), ( Compatible Mpn: 21100-he0-000, 21201-he0-000 ), ( Manufacturer Part Number: 21100-HE0-670 ), ( Type: Rear Differential ), ( Country Of Origin: Japan )

Review HONDA Oem Reduction Gearbox Transmission Differential fits PILOT FL400 FL400R 1989

The Honda 21100-HE0-670 reduction gearbox, also known as the transmission differential for the 1989 Honda Pilot FL400 FL400R, is a crucial component of the vehicle's powertrain system. This gearbox is responsible for transmitting power from the engine to the wheels while also providing the necessary reduction ratio for effective off-road performance.

The reduction gearbox is a complex assembly that comprises several key components, including the input shaft, output shaft, gear train, and differential unit. The input shaft connects to the engine crankshaft, while the output shaft transfers power to the wheels via the driveshaft. The gear train consists of multiple gears that provide the necessary reduction ratio for the vehicle's power transfer.

The differential unit is perhaps the most critical component of the reduction gearbox, as it allows the wheels to rotate at different speeds during turns. This is essential for maintaining traction and stability on uneven terrain. The differential unit consists of a housing, gears, bearings, and a pinion shaft. The housing protects the internal components, while the gears and bearings facilitate smooth power transfer.

The Honda 21100-HE0-670 reduction gearbox is designed to be robust and durable, capable of withstanding the rigors of off-road driving. It features heavy-duty materials and precision machining to ensure reliable and consistent performance. The gearbox is also lubricated with high-quality oil to reduce friction and wear, ensuring long-term durability.

The Honda Pilot FL400 FL400R reduction gearbox is a critical component of the vehicle's powertrain system and is essential for effective off-road performance. Its robust design, precision machining, and heavy-duty materials make it a reliable and durable component that can withstand the rigors of off-road driving. Whether you're tackling rough terrain or navigating steep inclines, this reduction gearbox will provide the necessary power transfer to keep you moving forward.

The Honda FL400 reduction gearbox, as part of the transmission and differential system in a 1989 Honda Pilot, can be a crucial component for off-road enthusiasts seeking better traction and control. Here are some pros and cons to consider before making a purchase:

1. Improved Traction: The reduction gearbox allows for a lower gear ratio, enhancing torque and providing better traction in off-road conditions.

2. Enhanced Capability: With the increased torque, the vehicle can tackle steeper inclines or challenging terrains that would be difficult with the standard transmission.

3. Customizability: The aftermarket reduction gearbox can be customized to various ratios depending on the user's specific off-road requirements.

1. Complexity: Installing a reduction gearbox involves more steps than a standard transmission replacement. It requires additional components such as a transfer case and driveshaft modifications.

2. Cost: The purchase price for a high-quality aftermarket reduction gearbox can be substantial. Factors like installation labor costs, additional parts, and potential damage during installation can add to the overall cost.

3. Reduced Top Speed: With a lower gear ratio, the vehicle's top speed will be reduced when using the reduction gearbox.

4. Potential for Increased Wear: The added complexity of the reduction gearbox may result in increased wear and tear on other components like the driveshaft, transfer case, and differential.

The Honda FL400 reduction gearbox can significantly enhance the off-road capabilities of a 1989 Honda Pilot. However, it comes with a higher cost, increased complexity, and potential for increased wear and tear. Consider your specific off-road requirements and budget before making the decision to purchase.

If you frequently encounter challenging off-road conditions and the added capability is essential for your driving experience, a reduction gearbox may be a worthwhile investment. Ensure you purchase from a reputable supplier and consider factoring in the additional installation costs and potential for increased wear and tear. Alternatively, consider other options like upgrading tires or suspension to improve off-road performance without the added complexity and cost of a reduction gearbox.

part # 21100he0670 price

• $2199.99

specifications utvshift:

• for models: Fl400, Fl400r, Pilot
• for makes: Honda
• for years: 1989
• assembly: Yes
• compatible mpn: 21100-he0-000, 21201-he0-000
• manufacturer part number: 21100-HE0-670
• type: Rear Differential
• country of origin: Japan

returns utvshift:

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

payments utvshift:

• other
• wallet: Paypal
• credit card: Mastercard

general utvshift:

• ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts
• condition: Used

offer utvshift:

• started: May 13, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1

seller utvshift:

• rating: 99.9%
• # reviews: 2371

shipping utvshift:

• type: Calculated
• class: Standard, Expedited
• carrier: UPS
• service: UPS Ground, UPS 2nd Day Air
• cost: $0.00
• transit: 3-9 Days

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