1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 10584743394176603
  3. CALTRIC RX149A1003

CALTRIC RX149A1003 Rear Axle 4GB-25381-10-00

fits make: Yamaha.

4gb-25381-10-00 Caltric Rx149a1003 Rear Axle For Yamaha 4gb253811000 New

( Brand: Caltric ), ( Country Of Origin: China ), ( Oe/oem Part Number: 4gb-25381-10-00 ), ( Machine Type: Atv ), ( Placement On Vehicle: Rear ), ( Item Length: 838.2 Mm ), ( More Info1: Outer Spline ), ( More Info2: Center Spline ), ( Weight: 12 Lb ), ( Material: Steel ), ( Items Included: Rear Axle ), ( Compatible Model: 4gb-25381-10-00 4gb253811000 New ), ( Type: Axle ), ( Manufacturer Part Number: RX149A1003 ), ( Manufacturer Warranty: 90 Days ), ( California Prop 65 Warning: Proposition 65 Warning For California Consumers. ), ( Vintage Part: No )

Review CALTRIC Rear Axle Yamaha 4gb253811000 New

The Caltric RX149A1003 rear axle is an excellent replacement option for the original equipment on Yamaha Grizzly 450, 450F, 450F XT, 450F Big Bear, and 450F Special Edition models with the 4GB-25381-10-00 or 4GB253811000 chassis number. This axle is specifically designed to provide superior durability and reliability, ensuring your off-road vehicle continues to perform optimally.

The Caltric RX149A1003 axle is manufactured using high-quality materials and advanced engineering techniques to ensure a perfect fit and exceptional strength. It is engineered to meet or exceed OEM specifications for dimensions, tolerances, and load capacity. The axle shaft is made of strong, heat-treated steel, while the wheel bearings are precision-machined for smooth operation and long life.

This rear axle features a robust and efficient design, with a sealed gear case that protects the internal components from dust, debris, and moisture. The axle also utilizes a heavy-duty CV joint that provides maximum flexibility and durability, allowing for smoother operation and better handling, especially when navigating tough terrain.

The Caltric RX149A1003 rear axle is a direct replacement for the OEM component, making installation easy and straightforward. It comes with all necessary hardware, including new wheel bearings and seals, to facilitate a hassle-free installation process. Furthermore, this axle is backed by Caltric's commitment to customer satisfaction, ensuring that you receive a high-quality product that will help you get the most out of your Yamaha Grizzly.

In summary, the Caltric RX149A1003 rear axle is a superior replacement option for your Yamaha 4GB-25381-10-00 or 4GB253811000 model. With its robust design, exceptional strength, and ease of installation, this axle is the perfect choice for those seeking to enhance their off-road vehicle's performance and reliability.

The Caltric RX149A1003 rear axle is a potential replacement option for the Yamaha 4GB-25381-10-00 4GB253811000. Let's examine the pros and cons of purchasing this aftermarket part:

Pros:

1. Cost-effective: The Caltric rear axle is often priced lower than the OEM (Original Equipment Manufacturer) part, making it a budget-friendly option for customers.

2. Availability: Aftermarket parts like the Caltric rear axle are usually more readily available compared to OEM parts, especially during backorders or extended wait times.

3. Similar quality: Many aftermarket parts, like the Caltric rear axle, are manufactured to meet or even exceed the original part's specifications, ensuring comparable performance.

Cons:

1. Warranty: OEM parts often come with longer warranties or better coverage compared to aftermarket parts. Purchasing an aftermarket part like the Caltric rear axle may mean accepting a shorter warranty period.

2. Potential compatibility issues: While the Caltric rear axle is designed to fit the Yamaha model, there is always a small chance of compatibility issues. Customers should thoroughly research the product and ensure proper installation.

3. Lack of brand reputation: Caltric is not an original equipment manufacturer, and some customers may prefer to stick with well-known brands for peace of mind.

Ending Conclusion:

The Caltric RX149A1003 rear axle is a cost-effective alternative to the OEM part for the Yamaha 4GB-25381-10-00 4GB253811000. It offers similar performance and availability advantages but may come with shorter warranties and potential compatibility risks. Ultimately, the decision to purchase the Caltric axle depends on the customer's priorities, including cost, warranty length, and brand loyalty.

Recommendation:

If you are looking for a budget-friendly solution and are confident in your ability to ensure proper installation, the Caltric RX149A1003 rear axle could be an excellent choice. However, if you prefer the peace of mind that comes with an extended warranty or a well-known brand, you may wish to consider purchasing the OEM part instead. Regardless of your decision, always double-check compatibility and installation instructions to ensure a successful replacement process.

part # rx149a1003 price

  • $71.00

specifications utvshift:

  • for makes: Yamaha
  • brand: Caltric
  • country of origin: China
  • oe/oem part number: 4gb-25381-10-00
  • machine type: Atv
  • placement on vehicle: Rear
  • item length: 838.2 Mm
  • more info1: Outer Spline
  • more info2: Center Spline
  • weight: 12 Lb
  • material: Steel
  • items included: Rear Axle
  • compatible model: 4gb-25381-10-00 4gb253811000 New
  • type: Axle
  • manufacturer part number: RX149A1003
  • manufacturer warranty: 90 Days
  • california prop 65 warning: Proposition 65 Warning For California Consumers.
  • vintage part: No

shipping utvshift:

  • transit: 4-8 Days
  • cost: $0.00
  • class: Standard, Expedited
  • carrier: UPS, FedEx
  • type: Fixed
  • service: UPS Ground, FedEx 2Day

returns utvshift:

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

payments utvshift:

  • credit card: Discover
  • wallet: Apple-pay
  • other

general utvshift:

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

seller utvshift:

  • # reviews: 192027
  • rating: 98.9%

offer utvshift:

  • sold: 0
  • availability: In Stock
  • started: December 22, 2025
  • options: Ship-to-home
for makes: yamaha, country of origin: china, oe/oem part number: 4gb-25381-10-00, machine type: atv, placement on vehicle: rear, item length: 838.2 mm, more info1: outer spline, more info2: center spline, items included: rear axle, compatible model: 4gb-25381-10-00 4gb253811000 new, type: axle, manufacturer warranty: 90 days, california prop 65 warning: proposition 65 warning for california consumers., vintage part: no,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > axles, weight: 12 lb, material: steel, sku: 10584743394176603,

Caltric RX149A1003 Is Similar To:

utvshift logo
5 offers $71.00–$71.00 USD
  • Offer #1: $71.00 price + free delivery = $71.00* total. For Yamaha Models Order Includes Does Not Fit YFM350FWB. Big Bear 350 2WD YFM350U 1996-1998.FREE SHIPPING
  • Offer #2: $71.00 price + free delivery = $71.00* total. Order Includes Does Not Fit YFM350FWB. For Yamaha Models Outer Spline: 27.8 mm - 1 in, 27 Teeth.FREE SHIPPING
  • Offer #3: $71.00 price + free delivery = $71.00* total. For Yamaha Models Length: 838.2 mm - 33 in Kodiak 400 YFM400FW 1996-1998.FREE SHIPPING
  • Offer #4: $128.51 price + free delivery = $128.51* total. Does Not Fit YFM350FWB. Order Includes: 1x Rear Axle.FREE SHIPPING
  • Offer #5: $110.05 price + free delivery = $110.05* total. YFM350FWBOrder Includes:1x Rear Axle: Length Axle ForYamahaModels: Kodiak 400 YFM400FW. 400 YFM400FW 1996-1998Big Bear 350.FREE SHIPPING