K08-259-1G Pre-Greased Trailer Hub Kit – 5 on 4.5" Bolt Pattern – Complete Idler Hub – Made in USA
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Product Description (Full)
Save time and skip the mess with the K08-259-1G Pre-Greased Trailer Hub Kit—a complete, ready-to-install idler hub solution built for reliability and convenience.
This hub comes fully pre-greased from the factory, eliminating the need to pack bearings yourself and reducing installation time. Designed for common light-duty trailer applications, it features a 5 on 4.5" bolt pattern, making it a perfect fit for many utility, cargo, and small equipment trailers.
Manufactured in the USA and backed by a 5-year warranty, this hub delivers dependable performance whether you're replacing a worn hub or building a new trailer setup.
⚙️ Key Features
- ✅ Pre-greased bearings – ready to install right out of the box
- ✅ 5 on 4.5" bolt pattern – common trailer wheel fitment
- ✅ Complete hub assembly – no extra parts needed
- ✅ Reduces install time and eliminates messy packing
- ✅ Durable construction for long service life
- ✅ Made in the USA
- ✅ Backed by a 5-year warranty
🔧 Specifications
- Part Number: K08-259-1G
- Hub Type: Idler Hub (no brakes)
- Bolt Pattern: 5 on 4.5"
- Condition: Pre-Greased / Pre-Assembled
- UPC: 876983007059
- Country of Origin: USA
- Warranty: 5 Years
📏 Dimensions & Weight
- Length: 7.25"
- Width: 7.25"
- Height: 5.13"
- Weight: 7.34 lbs
- Dimensional Weight: 1 lb
🚚 Fitment & Compatibility
Fits many light-duty trailer axles, commonly:
- 2,000 lb – 3,500 lb trailer axles (verify bearing sizes)
- Utility trailers
- Enclosed cargo trailers
- Small equipment trailers
⚠️ Important Fitment Info:
Always confirm:
- Bearing numbers (ex: L44649, L68149, etc.)
- Spindle size
- Bolt pattern (5 on 4.5")
📦 What’s Included
- (1) Pre-greased idler hub
- Bearings (installed)
- Races (installed)
- Grease seal (installed)
- Wheel studs (installed)
- Dust cap
👉 Ready to mount and go
🔁 Cross Reference
Replaces or equivalent to:
- 008-259-05 hub assemblies
- Common 5-lug idler hubs for 3.5K axles
- Aftermarket hubs from major trailer parts brands
(Always verify bearing & seal sizes for exact match.)
🛠️ Installation Notes
- Slide onto properly sized spindle
- Secure with castle nut and cotter pin
- Check bearing preload after installation
- Recheck torque after first 50 miles
- Spindle nut
- Spindle washer
- Wheel nuts
🔩 Installation Notes
- Must be fully assembled and greased prior to installation
- Verify your spindle size (BT8 vs BTR) before selecting bearings
- Always replace bearings and seals when installing a new hub for best performance
🚚 Common Applications
Perfect for:
- Utility trailers
- Small cargo trailers
- Boat trailers
- ATV / lawn equipment trailers
💡 Why This Hub?
This hub is a go-to solution when you need:
- A cost-effective replacement
- Flexible spindle compatibility
- Reliable performance without brakes
It’s especially useful for older or mixed-spec trailers where spindle sizes may vary.
🔥 Bottom Line
The 88545-5 Idler Hub delivers dependable performance, easy fitment, and broad compatibility for 2,200 lb class axles. Whether you're repairing or upgrading, this hub keeps your trailer rolling smoothly.
What sets us apart is our dedicated team of knowledgeable professionals who are always ready to assist. Great customer service isn't just a promise—it's the foundation of our success. We invite you to visit our showroom or reach out for personalized advice. Whether you're purchasing online or stopping by, we're here to make your trailer journey seamless. Visit Us Today
- Address: 4675 East Grand River Ave, Howell, MI 48843
- Phone: (517) 225-1991 (Call or text)
- Hours: Monday to Friday: 10:00 AM - 5:30 PM | Saturday: By appointment
Thank you for considering AAA Trailer. We're excited to help you hit the road with confidence! If you have any questions, don't hesitate to contact us.
To deliver your favorite products, we have partnered with the UPS & FEDEX . We are ready to entrust them with your orders and are always on your side if something goes wrong.
We will be happy to assist you with eligible returns, the return instructions, and the shipping address. If you need a return or exchange, send us an email so we can discuss a replacement.
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If you need a return or exchange, email us first so we can discuss the best solution. We’ll help confirm eligibility and provide return instructions and the correct shipping address.
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Warranty coverage depends on the manufacturer/product and will be listed when applicable. For example, some trailer listings specify coverage such as 1-year overall + 1-year axle coverage.
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