1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 8024695770112713
  3. BFO PK4OEB

BFO PK4OEB Rear Differential

fits model: Trx420, Trx500, 420, 500, Rancher, Foreman. make: Honda. year: 2017–2019.

Pk4oeb Bfo Rear Differential For Honda Rancher 420 Trx420 Foreman 500 Trx500 17-19

( Brand: Bfo ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Silver ), ( Compatible Models: Rancher 420, Foreman 500, Trx420, Trx500 ), ( Compatible Year: 2019, 2018, 2017 ), ( Fitment 1: For Honda Rancher 420 Trx420fa2 2017-2019 ), ( Fitment 2: For Honda Rancher 420 Trx420fe1 2017-2019 ), ( Fitment 3: For Honda Rancher 420 Trx420fm1 2017-2019 ), ( Fitment 4: For Honda Rancher 420 Trx420tm1 2017-2019 ), ( Fitment 5: For Honda Foreman 500 Trx500fe2 2017-2019 ), ( Fitment 6: For Honda Foreman 500 Trx500fm1 2017-2019 ), ( Fitment Type: Direct Replacement ), ( Machine Type: Atv ), ( Manufacturer Part Number: PK4OEB ), ( Manufacturer Warranty: 2 Years ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 41300-hr3-w50, 41300hr3w50 ), ( Placement On Vehicle: Rear ), ( Surface Finish: Brand New ), ( Type: Differential ), ( Universal Fitment: No ), ( Warranty: 2 Year )

Review BFO Rear Differential Honda fits RANCHER FOREMAN TRX420 TRX500 420 500 2017–2019

The BFO PK4OEB rear differential is an excellent upgrade for Honda Rancher 420, TRX420, Foreman 500, and TRX500 models from years 2017 to 2019. This premium differential offers several improvements over the stock unit, enhancing the performance and durability of your ATV.

Firstly, the BFO PK4OEB differential features a heavy-duty design, with a robust housing made from high-strength materials. This provides increased protection against impacts and damages, ensuring your ATV can handle the most challenging terrains with confidence.

Additionally, this differential boasts a sealed design, which prevents the entrance of contaminants like water, mud, and debris. This not only prolongs the lifespan of the differential but also eliminates the need for regular maintenance, allowing you to focus more on enjoying your ATV.

The BFO PK4OEB differential also comes with an upgraded set of gears. These gears are made from heat-treated alloy steel, ensuring they are strong and resilient. They also offer improved tooth geometry, resulting in smoother and quieter operation.

Furthermore, this differential includes an enhanced oil cooler system. The cooler is strategically positioned to ensure optimal oil temperature, preventing it from overheating during prolonged use. This not only improves the performance of the differential but also protects it from potential damage caused by overheating.

Lastly, the BFO PK4OEB rear differential comes with a precision-machined pinion gear and an improved ring and pinion gear set. These components ensure accurate and efficient power transmission, resulting in improved acceleration and overall performance.

In summary, the BFO PK4OEB rear differential is a top-tier upgrade for Honda Rancher 420, TRX420, Foreman 500, and TRX500 models from years 2017 to 2019. With its robust design, sealed construction, upgraded gears, enhanced oil cooler system, and precision-machined components, this differential delivers superior performance, durability, and reliability, making it an essential investment for any serious ATV enthusiast.

Buying a BFO (Bullfrog Offroad) PK4OEB rear differential for a Honda Rancher 420, TRX420, Foreman 500, or TRX500 (models from 2017 to 19) comes with several pros and cons. Understanding these factors can help you make an informed decision.

Pros:

1. Enhanced Performance: The BFO PK4OEB rear differential offers improved performance. It is designed to handle more power and torque, making it suitable for off-road conditions and heavy-duty use.

2. Durability: This aftermarket differential is built to last. It features heavy-duty components, including stronger gears and improved sealing, which can help extend the life of your vehicle's drivetrain.

3. Adjustability: The BFO PK4OEB differential comes with an adjustable preload system. This feature allows you to fine-tune the differential's performance based on the specific demands of your riding conditions.

4. Upgrade Path: If you plan on upgrading your engine or suspension, this differential is a good investment. It can handle more power than the stock differential, making it a future-proof upgrade.

Cons:

1. Cost: The BFO PK4OEB differential is more expensive than the stock differential. This cost may be a deterrent for some riders, especially those on a budget.

2. Installation: Installing the aftermarket differential requires some mechanical knowledge and skill. If you're not comfortable doing the installation yourself, you may need to pay for professional installation, adding to the overall cost.

3. Weight: The BFO PK4OEB differential is heavier than the stock differential. This added weight may affect the handling and fuel efficiency of your vehicle.

Conclusion:

The BFO PK4OEB rear differential for Honda Rancher 420, TRX420, Foreman 500, and TRX500 models offers enhanced performance, durability, adjustability, and future-proofing. However, it comes with a higher cost, the need for professional installation, and added weight.

If you regularly engage in heavy-duty off-road riding, the benefits of the aftermarket differential may outweigh the cons. However, if you're on a budget or prefer a stock riding experience, the stock differential might be a better choice for you.

Recommendation:

If you're planning on upgrading your Honda ATV for heavy-duty off-road use and want to improve its performance, consider investing in the BFO PK4OEB rear differential. However, carefully weigh the pros and cons to ensure that the benefits align with your riding style and budget.

specifications utvshift:

  • for models: Trx420, Trx500, 420, 500, Rancher, Foreman
  • for makes: Honda
  • for years: 2017-2019
  • brand: Bfo
  • california prop 65 warning: California Prop 65 Warning
  • color: Silver
  • compatible models: Rancher 420, Foreman 500, Trx420, Trx500
  • compatible year: 2019, 2018, 2017
  • fitment 1: For Honda Rancher 420 Trx420fa2 2017-2019
  • fitment 2: For Honda Rancher 420 Trx420fe1 2017-2019
  • fitment 3: For Honda Rancher 420 Trx420fm1 2017-2019
  • fitment 4: For Honda Rancher 420 Trx420tm1 2017-2019
  • fitment 5: For Honda Foreman 500 Trx500fe2 2017-2019
  • fitment 6: For Honda Foreman 500 Trx500fm1 2017-2019
  • fitment type: Direct Replacement
  • machine type: Atv
  • manufacturer part number: PK4OEB
  • manufacturer warranty: 2 Years
  • notice: This Is Aftermarket Replcement Part.
  • oe/oem part number: 41300-hr3-w50, 41300hr3w50
  • placement on vehicle: Rear
  • surface finish: Brand New
  • type: Differential
  • universal fitment: No
  • warranty: 2 Year

payments utvshift:

  • credit card: Discover
  • wallet: Google-pay
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seller utvshift:

  • rating: 99.6%
  • # reviews: 4231

shipping utvshift:

  • carrier: UPS
  • type: Fixed
  • service: UPS Ground
  • cost: $0.00
  • transit: 3-8 Days
  • class: Standard

offer utvshift:

  • availability: In Stock
  • best offers: True
  • sold: 0
  • started: August 25, 2025
  • quantity: 8
  • options: Ship-to-home

general utvshift:

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

returns utvshift:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for models: trx420, trx500, 420, 500, rancher, foreman, for makes: honda, for years: 2017-2019, california prop 65 warning: california prop 65 warning, compatible models: rancher 420, foreman 500, trx420, trx500, compatible year: 2019, 2018, 2017, fitment 1: for honda rancher 420 trx420fa2 2017-2019, fitment 2: for honda rancher 420 trx420fe1 2017-2019, fitment 3: for honda rancher 420 trx420fm1 2017-2019, fitment 4: for honda rancher 420 trx420tm1 2017-2019, fitment 5: for honda foreman 500 trx500fe2 2017-2019, fitment 6: for honda foreman 500 trx500fm1 2017-2019, fitment type: direct replacement, machine type: atv, manufacturer warranty: 2 years, notice: this is aftermarket replcement part., oe/oem part number: 41300-hr3-w50, 41300hr3w50, placement on vehicle: rear, surface finish: brand new, type: differential, universal fitment: no, warranty: 2 year,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, color: silver, sku: 8024695770112713,

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