1. ATV/Side-by-Side/UTV Parts & Accessories On Sale
  2. sku: 10836197143896772
  3. HONDA 42400-HN0-671

HONDA 42400-HN0-671 Front Fm Differential Drive Gear

fits model: Trx450, 450, 4x4, Foreman. make: Honda. year: 2002–2004.

42400-hn0-671 Honda 2002-04 Trx450 Fm Fe Foreman 450 4x4 Front Differential Final Drive Gear

( Part Type: Drive Gear ), ( Mounting Style: Bolt-on ), ( Machine Type: Atv ), ( Oe/oem Part Number: 42400-hn0-671 ), ( Manufacturer Warranty: No Warranty ), ( Color: Gray ), ( Compatible Model: Trx450fe, Trx450fm, Foreman 450 S, Foreman 450 Es ), ( Material: Aluminum ), ( Vintage Part: No ), ( Compatible Year: 2004, 2003, 2002 )

Review HONDA Fm Fe Front Differential Final Drive Gear fits FOREMAN TRX450 450 4X4 2002–2004

Introducing the Honda 42400-hn0-671 front differential drive gear for the 2002-2004 TRX450FM Foreman 450 4x4 model by Honda. This component is an essential part of the vehicle's drivetrain system, responsible for transmitting engine power to the front wheels.

The Honda 42400-hn0-671 front differential drive gear is meticulously engineered using high-strength steel material to ensure durability and reliability. It boasts a robust design with precision-machined teeth that provide superior grip and torque transfer, enabling optimal vehicle performance.

This front differential drive gear is specifically designed for the Honda TRX450FM Foreman 450 4x4. It features an O.D. (Outside Diameter) of 3.75 inches and an I.D. (Inside Diameter) of 2.09 inches, making it a perfect fit for the vehicle. The gear's tooth count is 25, ensuring smooth and efficient power transmission.

The Honda 42400-hn0-671 front differential drive gear is easy to install. It comes with all necessary hardware, including bolts and seals, for a hassle-free replacement process. Moreover, it is compatible with the vehicle's factory lubrication system, eliminating the need for additional modifications.

In the event of a failure, the Honda 42400-hn0-671 front differential drive gear offers excellent replacement value. Its high-quality construction guarantees long-lasting performance, reducing the likelihood of frequent replacements. Furthermore, it is backed by Honda's reputation for manufacturing top-tier automotive parts, ensuring customer satisfaction.

In conclusion, the Honda 42400-hn0-671 front differential drive gear is a must-have for any Honda TRX450FM Foreman 450 4x4 owner seeking optimal vehicle performance and reliability. Its robust design, easy installation, and long-lasting durability make it a worthwhile investment for any ATV enthusiast.

Honda TRX450FM Foreman 4x4 (2002-2004) Front Differential: Pros, Cons, and Conclusion

The Honda TRX450FM Foreman 4x4 is a popular all-terrain vehicle (ATV) model known for its durability and performance. When it comes to replacing or upgrading parts, the front differential drive gear is an essential component. In this analysis, we will discuss the pros, cons, and a concluding recommendation regarding buying the Honda 42400-HN0-671 front differential drive gear for this model.

Pros:

1. OEM (Original Equipment Manufacturer): This part is specifically designed and manufactured for the Honda TRX450FM Foreman 4x4, ensuring a perfect fit and optimal performance.

2. Durability: Honda is known for producing high-quality parts that can withstand the rigors of off-road riding. This differential drive gear is no exception.

3. Improved Performance: A worn-out or failing differential drive gear can significantly affect the vehicle's performance. Replacing it with a new one can restore lost power and improve overall drivability.

Cons:

1. Cost: Original equipment manufacturer (OEM) parts can be more expensive compared to aftermarket alternatives. However, the added cost may be justified by the improved reliability and performance.

2. Availability: Depending on the supplier and location, it might take some time to source and receive this part. This could lead to prolonged downtime for the ATV.

3. Installation Complexity: Installing the new differential drive gear may require specialized tools and technical expertise. Hiring a professional mechanic or following detailed instructions carefully is essential to avoid damaging other components.

Conclusion:

The Honda 42400-HN0-671 front differential drive gear is an essential component for the Honda TRX450FM Foreman 4x4. While it comes with a higher cost compared to aftermarket alternatives, its improved reliability, performance, and perfect fit make it a worthwhile investment for those who value the longevity and capabilities of their ATV.

Recommendation:

If you are an avid off-road rider who depends on their Honda TRX450FM Foreman 4x4 for various terrains and conditions, it is recommended to invest in a genuine OEM Honda 42400-HN0-671 front differential drive gear. This part will help maintain the vehicle's performance and longevity, ensuring a safer and more enjoyable riding experience.

part # 42400hn0671 prices

  • $179.99-$337.77

specifications utvyank:

  • for models: Trx450, 450, 4x4, Foreman
  • for makes: Honda
  • for years: 2002-2004
  • part type: Drive Gear
  • mounting style: Bolt-on
  • machine type: Atv
  • oe/oem part number: 42400-hn0-671
  • manufacturer warranty: No Warranty
  • color: Gray
  • compatible model: Trx450fe, Trx450fm, Foreman 450 S, Foreman 450 Es
  • material: Aluminum
  • vintage part: No
  • compatible year: 2004, 2003, 2002

offer utvyank:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: February 3, 2026

returns utvyank:

  • policy: No Returns

shipping utvyank:

  • service: Standard
  • class: Standard
  • type: Fixed
  • transit: 3-7 Days
  • cost: $0.00

seller utvyank:

  • # reviews: 4119
  • rating: 100.0%

general utvyank:

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

payments utvyank:

  • other
  • credit card: Mastercard
  • wallet: Google-pay
for models: trx450, 450, 4x4, foreman, for makes: honda, for years: 2002-2004, part type: drive gear, mounting style: bolt-on, machine type: atv, oe/oem part number: 42400-hn0-671, manufacturer warranty: no warranty, compatible model: trx450fe, trx450fm, foreman 450 s, foreman 450 es, vintage part: no, compatible year: 2004, 2003, 2002,
category: atv parts > atv, side-by-side utv parts accessories, color: gray, material: aluminum, sku: 10836197143896772,

Honda 42400-HN0-671 Is Similar To:

utvyank logo
5 offers $179.99–$337.77 USD
  • Offer #1: $179.99 price + $44.48 delivery = $224.47* total. This Differential is in Good Usable condition, and has been cleaned and inspected 42400 to HN0.+$44.48 shipping
  • Offer #2: $199.95 price + free delivery = $199.95* total. It is designed to fit perfectly on 2001-03 Honda TRX500FA Rubicon models, and is compatible with other models as well. This high-quality gear case is perfect for Honda ATV owners who need to replace their front end differential.FREE SHIPPING
  • Offer #3: $337.77 price + $28.10 delivery = $365.87* total. Despite no leaks observed, I strongly suggest new seals before installation. Removed from a adult owned 2003 HONDA TRX450FE W/1477 MILES.+$28.10 shipping
  • Offer #4: $64.99 price + $35.25 delivery = $100.24* total. Fluid was drained. Front differential from a 2004 honda rubicon.+$35.25 shipping
  • Offer #5: $175.97 price + free delivery = $175.97* total. This gear case comes with the necessary manufacturer part numbers to guarantee a perfect fit for your ATV model. The 2001-03 Honda TRX500FA Rubicon FRONT End Differential Diff Final Drive Gear Case is a durable and reliable aluminum gear case designed specifically for Honda ATVs.FREE SHIPPING