





Reese Adaptor Bracket 58309 Required for Install of Universal Base Rail Kit 30035 for 2007‑2021 Toyota Tundra
Model: 58309Adaptor Bracket 58309
(This kit is required if you have universal rails for example Reese part 30035)
Fits The Following Vehicles
2007 - 2021 Toyota, Tundra, All Styles
Adaptor Bracket Specs
Part Number | 58309 |
Brand | Reese |
Installation Instructions | ![]() |
Footnotes:
Installation involves drilling
About Reese
Founded in 1952, the Reese brand has become a household name in the heavy-duty towing industry. With proven designs that exceed the industry standards, Reese has become the brand of choice when performance is the expectation. The core product line of Reese is the heavy duty fifth wheels which provide safe towing for the weekend warriors and the seasoned campers. Coupled with the Reese weight distribution systems to control sway, peace of mind is easy to achieve with this product line. The best known Reese products include the Titan Fifth Wheel series, the Sidewinder, and the Goosebox. These products, among others, have helped Reese achieve the Trailer Life Readers’ Choice Gold winner in the '5th Wheel Hitch' category and the Silver winner in the 'Travel Trailer' category status in 2013.
Partial list of fitment years: 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
$75 30
- Best Price on Web Guarantee
- Fastest Shipping
- FREE Shipping
- In Stock

We match lower prices from major authorized retailers for brand-new products in original packaging, provided the item is in stock. The competing seller must be an authorized, professional retail business; offers from
individuals, auctions, peer-to-peer sites, or unauthorized sellers don’t qualify. Used, refurbished, or open-box items are excluded.
Please see our full terms for details.
Verify Fitment
View products that fit your vehicle
Fits 's with the following styles:
View products that fit your vehicle
Fits 's with the following styles:
$75 30
Questions? Call our Auto Experts at (877) 869-6690
Get it now, pay later
Select installments at checkout to split your purchase into 4 interest-free payments of $18.75 every 2 weeks.
- No fees, ever.
- No impact on your credit score.
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. CA Residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Installments in partnership with
.
Affirm and its offerings are supported in English only. Translations are not provided by Affirm.
Product Details
- Brand: Reese
- Model: 58309
- Includes: Fifth Wheel Hitch Mounting System Bracket Kit
Compatibility Chart
Year Range | Make | Model | Style |
---|
Adaptor Bracket 58309
(This kit is required if you have universal rails for example Reese part 30035)
Fits The Following Vehicles
2007 - 2021 Toyota, Tundra, All Styles
Adaptor Bracket Specs
Part Number | 58309 |
Brand | Reese |
Installation Instructions | ![]() |
Footnotes:
Installation involves drilling
About Reese
Founded in 1952, the Reese brand has become a household name in the heavy-duty towing industry. With proven designs that exceed the industry standards, Reese has become the brand of choice when performance is the expectation. The core product line of Reese is the heavy duty fifth wheels which provide safe towing for the weekend warriors and the seasoned campers. Coupled with the Reese weight distribution systems to control sway, peace of mind is easy to achieve with this product line. The best known Reese products include the Titan Fifth Wheel series, the Sidewinder, and the Goosebox. These products, among others, have helped Reese achieve the Trailer Life Readers’ Choice Gold winner in the '5th Wheel Hitch' category and the Silver winner in the 'Travel Trailer' category status in 2013.
Partial list of fitment years: 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Specification | |
Bolt Grade | Grade 5 |
Drilling Required | No, Yes |
Finish | Black |
Material | Steel |
Mounting Hardware Included | Yes |
Rails Included | No |
Universal Or Specific Fit | Specific Fit |
Welding Required | No |
Be the first to ask a question.
Get Expert Help
Reese Adaptor Bracket 58309 Required for Install of Universal Base Rail Kit 30035 for 2007-2021 Toyota Tundra Install Notes
Installation Instructions for 2007 and Newer Toyota Tundra Adapter Kit
Part Number:
- 58309
Tools Required:
- Drill with 17/32” and 1” Drill Bits
- Torque Wrench
- Supplied Pull Wire for Rib Neck Bolts
Step-by-Step Instructions:
Pre-Installation:
-
Read Safety Instructions:
- Refer to the general safety guidelines in the full installation PDF.
- Failure to follow instructions may result in significant vehicle damage.
-
Check for Obstructions:
- Inspect for potential hazards such as fuel or brake lines before drilling.
-
Verify Compatibility:
- This kit is designed for Toyota Tundra trucks with 6.5’ and 8’ beds.
- CrewMax 5.5’ Bed requires a Sidewinder Pinbox Coupler.
Installation:
-
Position Base Rails:
- Measure from the rear edge of the truck bed to the rear edge of the base rail:
- For all bed lengths: 29 3/4”.
- Measure from the rear edge of the truck bed to the rear edge of the base rail:
-
Drill Holes in the Truck Bed:
- Drill through the bed sill using a 17/32” drill bit.
- Open up the hole in the truck bed with a 1” drill bit.
-
Install Tube Spacers:
- Insert tube spacers into drilled holes to prevent crushing the bed sill during bolt torqueing.
-
Install Brackets:
- Row 3: Attachments go through the inside of the bed sill. Drill through the bed and top of the frame on both sides. Use tube spacers under the bed and align them before inserting carriage bolts.
- Row 4 (Passenger Side): Stack two 1/2” spacers and a bevel washer to fill the gap between the bed and frame. Secure with carriage bolts, conical washers, and hex nuts.
-
Install Long and Short Brackets:
- Use long brackets for the front rail and short brackets for the rear rail (driver side). Secure with 1-3/4” carriage bolts provided in the kit.
Important Notes:
- Ensure the kingpin center is positioned approximately 3-1/2” forward of the axle center.
- Do not install this kit on a truck with a 5’7” bed unless the trailer is equipped with a Sidewinder Pinbox Coupler.
- Use the optional weld pattern for enhanced durability if required.
Maintenance:
- Periodically check all bolts for proper torque.
- Inspect drilled areas and apply paint to prevent corrosion.
Warranty:
- Limited Warranty: Covers defects in material and workmanship under normal use.
- For complete warranty instructions, please download the full installation PDF.
For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
Safety Notes:
- Always verify torque specifications for all fasteners.
- Avoid drilling in areas with fuel or brake lines.
Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.