Blue Ox BX4375 Tow Bar for Easy Towing Convenience
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The Ascent BX4375 is Blue Ox’s aluminum recreational tow bar for flat towing a vehicle behind a motorhome, in the 2.5-inch receiver version. It is rated to tow up to 7,500 pounds, weighs 31 pounds, and is made in the USA. Its fold-away design mounts and stores on the back of the RV.
The BX4375 fits a 2.5-inch standard receiver, and the 2-inch version of the Ascent is Blue Ox part number BX4370. Check your receiver opening before ordering, confirm the towed vehicle is approved for flat towing in its owner’s manual, and match a Blue Ox baseplate to that vehicle. Blue Ox covers the Ascent with a three-year warranty.
The BX4375 ships as a single carton measuring 46 × 8.5 × 8 inches with a shipping weight of 40 pounds. Those figures describe the shipping package; the 31-pound figure is the tow bar’s own weight.
Features & Benefits
- Rated to tow up to 7,500 pounds
- All-aluminum tow bar, 31 pounds product weight
- Fits a 2.5-inch standard receiver
- Fold-away design mounts and stores on the back of the RV
- Self-aligning, with a three-axis swivel design
- Non-binding latch mechanisms
- Made in the USA
- Three-year warranty
Specifications
| Brand | Blue Ox |
|---|---|
| Manufacturer Part Number | BX4375 |
| Series | Ascent |
| Tow Rating | 7,500 lb |
| Receiver Size | 2.5 in |
| Construction | Aluminum |
| Tow Bar Weight | 31 lb |
| Made In | USA |
| Warranty | 3 years |
| UPC | 798459091761 |
| Package Weight | 40 lb |
| Package Dimensions | 46 × 8.5 × 8 in |
Frequently Asked Questions
What receiver size does the BX4375 fit?
A 2.5-inch standard receiver. The 2-inch version of the Ascent is Blue Ox part number BX4370.
How much can the Ascent BX4375 tow?
It is rated to tow up to 7,500 pounds. Blue Ox also notes that the hitch, the motorhome chassis and the safety cables must each be rated for at least the weight of the vehicle being towed, so the lowest of those ratings governs.
What does the tow bar weigh?
31 pounds. The 40-pound figure is the shipping weight of the packed carton.
Is it steel or aluminum?
Aluminum. The Ascent is an all-aluminum tow bar, made in the USA.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

