Reese 40381 Polished Aluminum 8,000 lb Capacity 9 7/8" Ball Mount with 1" Rise & 2" Drop
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You have 30 days to request a return. All sale items are final sale.
Reese 40381 is a polished aluminum 2" square ball mount designed for Class III & IV hitches. It features an angled quick-load design, a 1" trailer ball hole, and a solid one-piece forged construction built for heavy-duty towing up to 8,000 lb (GTW).
Key Features
- Designed for Class III & IV hitches
- 2" square receiver-style shank
- 1" trailer ball hole
- Solid one-piece forged construction
- 1" thick x 3" wide ball platforms
- Angled quick load design
- Polished aluminum finish
- Heavy-duty rating up to 800 lb (TW) and 8,000 lb (GTW)
Intended Use
- Class III & IV trailer hitch receivers (2" square)
- Trailer towing and trailering setups that require 1" trailer-ball mounting
Product Details
- Reese part number: 40381
- SKU: 220-40381
- Material/Finish: Polished aluminum
- Hitch compatibility: Designed for Class III & IV hitches
- Shank: 2" square
- Ball hole size: 1" trailer ball hole
- Ball platform: 1" thick x 3" wide
- Rise/Drop geometry: 1" rise & 2" drop
- Load rating: 800 lb (TW) / 8,000 lb (GTW)
- Construction style: Solid one-piece forged construction
- Design feature: Angled quick load design
- Length (overall): 9 7/8"
Parts Desk Insights
Best Use Case: Ideal for towing applications that need a fixed-rise/fixed-drop ball mount to level the trailer for Class III & IV hitch receivers using a 1" trailer ball.
Common Issues: For correct leveling and safe towing, confirm the receiver clearance and that the pin/clip or hitch-lock hardware you use is correct for your setup (pin/clip shown separately on ball-mount diagrams/catalogs). Also verify ball size (1") and that your trailer’s required load rating does not exceed the mount’s TW/GTW rating.
Related Products & Accessories
- Tow ball (1" diameter) - Pair with the correct 1" trailer ball (sold separately) and matching hitch pin/clip or hitch lock for secure attachment.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.