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Boss Bearing Rear Differential Bearings and Seals Kit for Yamaha

Differential Bearing Kit

Rear Differential Bearing and Seal Kit This is the most complete rebuild kit for your Rear DifferentialFinal Drive on the market! Kit Contains: 2 Bearings 3 Needle Bearings 3 Seals 2 Adaptors/Sleeves

Repair your ATV or UTV’s Oil Leaks – DIY and Save Money!

• HIGH QUALITY PARTS: BossBearing sells parts that meets or exceeds OEM standards

All Seals are double lip and rubber encapsulated with internal stainless garter spring for maximum sealing performance!

All Sealed Bearings* feature low-drag double lip rubber seals on both sides. Double sealed bearings outperform metal shielded bearings because they keep out dirt and water!

Machine Race Needle Bearings*

Repair Sleeve for Worn Pinion Shafts* (The Pinion Shaft can be machined and this sleeve installed, saving you money!)

• FREE STANDARD SHIPPING on all orders placed in the continental USA, HI, PR and AK. Orders received before 2 PM EST on business days will be shipped the same day. No minimum purchase required

• PEACE OF MIND: Every BossBearing product comes with a 1-year warranty protects you after your purchase. We are confident that our products will work once installed in your vehicle. But in a rare case that it does not, we will replace it anytime within one year of your order. If you have a problem, we will take every step to assist you

*when included in the Kit
Limited Supply: only 5 remaining
Pricing: $72.42
Free Shipping!

Application Detail

1987 - 1995YamahaBig Bear 350YFM350FW 4x4Rear
1985 - 1985YamahaMoto 4YFM200Rear
1986 - 1989YamahaMoto 4YFM200DXRear
1986 - 1988YamahaMoto 4YFM225Rear
1989 - 1991YamahaMoto 4YFM250Rear
1987 - 1995YamahaMoto 4YFM350ERRear
1992 - 1998YamahaTimberwolf 250YFB250Rear
1994 - 2000YamahaTimberwolf 250YFB250FW 4x4Rear
1986 - 1986YamahaTri Moto 225YTM225DRRear
1983 - 1985YamahaTri Moto 225YTM225DXRear
1983 - 1985YamahaYamahauler 200YTM200ERear


  • 25-2030B
  • 25-2030B
  • 723980401512
  • Boss Bearing
  • Available
  • New


Shipping Information

  • Item Requires Shipping
  • 31.0 lbs.
  • W6.0000” x H2.0000” x L9.0000”
  • Free Shipping!

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