1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 13524787011021871
  3. BFO 7YNRDK

BFO 7YNRDK Rear Gear Differential 1X

fits model: 450, 400, Foreman. make: Honda. year: 2002–2004.

7ynrdk Bfo 1x Rear Final Gear Differential Assembly For Honda Foreman 450 400 2002-2004

( Brand: Bfo ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Silver ), ( Compatible Models: For Honda Foreman 400, Foreman 450 ), ( Compatible Year: 2004, 2003, 2002 ), ( Country Of Origin: China ), ( Fitment 1: For Honda Foreman 400 Trx400fw 4x4 2002-2003 ), ( Fitment 2: For Honda Foreman 450 Trx450fe 4x4 Es 2002-2004 ), ( Fitment 3: For Honda Foreman 450 Trx450fm 4x4s 2002-2004 ), ( Fitment Type: Direct Replacement ), ( Machine Type: Atv ), ( Manufacturer Part Number: 7YNRDK ), ( Manufacturer Warranty: 2 Years ), ( Material: Aluminum ), ( Mounting Style: Bolt-on ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 41300-hn0-670, 41300hn0670 ), ( Placement On Vehicle: Rear ), ( Surface Finish: Brand New ), ( Type: Differential Assembly ), ( Universal Fitment: No ), ( Warranty: 2 Year )

Review BFO 1x Rear Final Gear Differential Assembly Honda fits FOREMAN 450 400 2002–2004

BFO 7YNRDK 1X Rear Gear Differential for Honda Foreman 450 and 400 (2002-2004)

Description:

The BFO 7YNRDK 1X Rear Gear Differential is an essential component for the drivetrain system of Honda Foreman 450 and 400 models produced between 2002 and 2004. This high-quality differential is engineered to deliver superior performance, durability, and reliability for off-road enthusiasts and farmers who rely on these all-terrain vehicles for heavy-duty tasks.

Key Features:

1. Robust Design: The BFO 1X Rear Gear Differential features a strong, cast-iron housing that resists damage from tough terrain and heavy loads. Its precision-machined gears ensure smooth operation and efficient power transfer, while its sealing system prevents leaks and contamination.

2. Enhanced Durability: This differential comes with an upgraded, heat-treated pinion shaft that enhances its strength and durability. It also features heavy-duty bearings that are designed to withstand the rigors of off-road use, ensuring optimal performance even in the most challenging conditions.

3. Easy Installation: The BFO 7YNRDK 1X Rear Gear Differential is designed to be a direct replacement for the OEM differential on Honda Foreman 450 and 400 models. This means that the installation process is straightforward and can be completed using standard tools, saving you time and money.

4. Superior Performance: The BFO 1X Rear Gear Differential provides superior performance compared to the OEM differential. Its improved gearing ratio offers better torque and power delivery, enabling you to tackle more challenging terrain and haul heavier loads with ease.

5. High-Quality Materials: This differential is manufactured using only the highest-quality materials, ensuring long-lasting performance and reliability. Its precision-machined gears are made from heat-treated steel, while its bearings are made from high-carbon chromium steel, ensuring superior strength and durability.

6. Backed by a Warranty: The BFO 7YNRDK 1X Rear Gear Differential is backed by a comprehensive warranty that covers defects in materials and workmanship for a specified period. This gives you peace of mind knowing that your investment is protected.

In summary, the BFO 7YNRDK 1X Rear Gear Differential is a high-performance, durable, and reliable upgrade for the drivetrain system of Honda Foreman 450 and 400 models produced between 2002 and 2004. Its robust design, enhanced durability, easy installation, superior performance, and high-quality materials make it an excellent choice for off-road enthusiasts and farmers who demand the best from their all-terrain vehicles.

Buying a BFO 7YNRDK 1X Rear Gear Differential for a Honda Foreman 450 or 400 (model years 2002-2004) comes with several pros and cons.

Pros:

1. Enhanced Durability: The BFO differential is known for its robust design and durability. It is made from strong materials, which can withstand the rigors of off-road riding.

2. Improved Performance: This differential offers better gear ratio options, which can lead to improved performance, particularly in challenging off-road conditions.

3. Easy Installation: The differential is designed to be a direct replacement for the OEM unit, making installation a relatively straightforward process.

4. High-Quality Bearings: The BFO differential features high-quality bearings that are less prone to failure compared to the OEM bearings.

5. Increased Ground Clearance: The new differential may offer increased ground clearance, depending on the specific application.

Cons:

1. Cost: The BFO differential is more expensive than the OEM unit.

2. Potential for Noise: Some users have reported increased noise levels after installing the BFO differential.

3. Potential for Vibration: Some users have reported increased vibration levels after installing the BFO differential.

4. Complex Installation: While the installation process is generally straightforward, it may require some level of mechanical expertise.

Conclusion:

The decision to buy a BFO 7YNRDK 1X Rear Gear Differential for a Honda Foreman 450 or 400 (model years 2002-2004) ultimately depends on your priorities and budget. If you value durability, improved performance, and high-quality bearings, then the BFO differential may be a worthwhile investment. However, if you are concerned about the cost or potential for increased noise and vibration, then you may want to consider other options. Ultimately, it's essential to weigh the pros and cons carefully before making a decision.

Recommendation:

If you decide to go with the BFO differential, make sure to follow the installation instructions carefully to minimize the potential for noise and vibration. Additionally, consider investing in a high-quality lubricant to ensure optimal performance and longevity. If you are unsure about the installation process or have concerns about the potential for increased noise or vibration, consider seeking the assistance of a professional mechanic.

specifications utvshift:

  • for models: 450, 400, Foreman
  • for makes: Honda
  • for years: 2002-2004
  • brand: Bfo
  • california prop 65 warning: California Prop 65 Warning
  • color: Silver
  • compatible models: For Honda Foreman 400, Foreman 450
  • compatible year: 2004, 2003, 2002
  • country of origin: China
  • fitment 1: For Honda Foreman 400 Trx400fw 4x4 2002-2003
  • fitment 2: For Honda Foreman 450 Trx450fe 4x4 Es 2002-2004
  • fitment 3: For Honda Foreman 450 Trx450fm 4x4s 2002-2004
  • fitment type: Direct Replacement
  • machine type: Atv
  • manufacturer part number: 7YNRDK
  • manufacturer warranty: 2 Years
  • material: Aluminum
  • mounting style: Bolt-on
  • notice: This Is Aftermarket Replcement Part.
  • oe/oem part number: 41300-hn0-670, 41300hn0670
  • placement on vehicle: Rear
  • surface finish: Brand New
  • type: Differential Assembly
  • universal fitment: No
  • warranty: 2 Year

seller utvshift:

  • # reviews: 25313
  • rating: 99.6%

offer utvshift:

  • started: May 9, 2026
  • best offers: True
  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home
  • sold: 0

general utvshift:

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

returns utvshift:

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

shipping utvshift:

  • carrier: UPS
  • transit: 3-5 Days
  • service: UPS Ground
  • cost: $0.00
  • class: Standard
  • type: Fixed

payments utvshift:

  • credit card: Diners-club
  • other
  • wallet: Google-pay
for models: 450, 400, foreman, for makes: honda, for years: 2002-2004, california prop 65 warning: california prop 65 warning, compatible models: for honda foreman 400, foreman 450, compatible year: 2004, 2003, 2002, country of origin: china, fitment 1: for honda foreman 400 trx400fw 4x4 2002-2003, fitment 2: for honda foreman 450 trx450fe 4x4 es 2002-2004, fitment 3: for honda foreman 450 trx450fm 4x4s 2002-2004, fitment type: direct replacement, machine type: atv, manufacturer warranty: 2 years, mounting style: bolt-on, notice: this is aftermarket replcement part., oe/oem part number: 41300-hn0-670, 41300hn0670, placement on vehicle: rear, surface finish: brand new, type: differential assembly, universal fitment: no, warranty: 2 year,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, color: silver, material: aluminum, sku: 13524787011021871,

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