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CURT
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Select your vehicle to confirm this part fits.
1999 - 2004 Ford F-350 Super Duty
Confirmed to Fit
1999 - 2004 Ford F-350 Super Duty
Confirmed to Fit
1999 - 2004 Ford F-350 Super Duty
Confirmed to Fit


Always the correct part
We know our products
Quality Products
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Always the correct part
We know our products
Quality Products
Free Shipping!
Includes mounting hardware (base rails sold separately)
Includes mounting hardware (base rails sold separately)
Warranty: Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
Color: Black
Finish: A-COAT
Installation Time Exact (Minutes): 0
When you purchase a 5th wheel trailer hitch, you expect it to be capable of towing your RV, flatbed or whatever other 5th wheel trailer you own. While a 5th wheel hitch does offer an impressive amount of towing strength, it cannot get far without the proper installation equipment. Engineered for specific makes and models, CURT custom 5th wheel brackets provide the ideal solution for complementing the power of your 5th wheel trailer hitch. A custom 5th wheel bracket features a shape that contours to the frame of your truck and uses pre-drilled holes in the frame wherever possible to make installation quick and easy. Depending on your model of pickup truck, they also reduce or eliminate the need for drilling. These particular custom 5th wheel brackets offer a custom fit for certain model years of the Ford F-250 and F-350 Super Duty (see application info to verify fitment). Finished in a durable liquid A-coat, CURT custom 5th wheel brackets are made to last. They include all necessary mounting hardware and are designed to be used in conjunction with CURT industry-standard 5th wheel base rails #16104 or #16204 (base rails sold separately).

CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
4 compatible vehicles
| Year | Make & Model | Style | Notes |
|---|---|---|---|
| 1999 - 2004 | Ford F-250 Super Duty | — | Drilling Required Installation Time - |
| 1999 - 2004 | Ford F-350 Super Duty | Crew Cab Pickup · 4-Door | Drilling Required Installation Time - |
| 1999 - 2004 | Ford F-350 Super Duty | Extended Cab Pickup · 4-Door | Drilling Required Installation Time - |
| 1999 - 2004 | Ford F-350 Super Duty | Standard Cab Pickup · 2-Door | Drilling Required Installation Time - |
The CURT Custom 5th Wheel Brackets, Select Ford F-250, F-350 Super Duty Fifth Wheel Trailer Hitch Bracket (Part #BKDK16443) fits the following vehicles: 1999-2004 Ford F-250 Super Duty; 1999-2004 Ford F-350 Super Duty. Always verify your specific year, make, and model before ordering.
The CURT Custom 5th Wheel Brackets, Select Ford F-250, F-350 Super Duty Fifth Wheel Trailer Hitch Bracket (Part #BKDK16443) fits 1999-2004 Ford F-250 Super Duty models. The 2004 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the CURT Custom 5th Wheel Brackets, Select Ford F-250, F-350 Super Duty Fifth Wheel Trailer Hitch Bracket (Part #BKDK16443) is designed to fit the 1999-2004 Ford F-250 Super Duty.
The CURT Custom 5th Wheel Brackets, Select Ford F-250, F-350 Super Duty Fifth Wheel Trailer Hitch Bracket (Part #BKDK16443) Drilling is required for installation. Typical installation time is . Basic hand tools are typically all you need.
Yes, the Curt 16443 5th wheel mounting rails are designed for Ford Super Duty short and long box pickup trucks. The rails are positioned 54.094 inches from the center line of the hitch to the center line of the axle, and 2.500 inches from the center line of the hitch on both short and long box models.
No. The manual states the system may not work with 2003 and earlier competitor products. If you plan to use a competitor's 5th wheel, roller, or gooseneck hitch, verify compatibility with Curt before purchasing.
No, not without modification. Plastic bed liners must be cut away to provide metal-to-metal contact between the mounting rails and truck bed. Spray-in bed liners are acceptable and do not need to be removed.
The kit includes: 2 driver and passenger side plates (CM-16443-DS and CM-16443-PS), 2 fishwire tools (1/2"), 8 square hole spacers (CM-SP33, 0.250 x 1.50 x 2.00"), 8 U-shape spacers (CM-SP136, 0.313 x 1.00 x 2.00"), 2 hex bolts (1/2-13 x 1.5"), 10 carriage bolts (1/2-13 x 1.75"), 10 hex flange nuts (HFN 1213), 2 square hole spacers (CM-SP6, 0.250 x 1.00 x 3.00"), 2 square hole spacers (CM-SP28, 0.250 x 3.00 x 4.00"), 2 hex nuts (1/2-13), 2 lock washers (1/2"), and 2 flat washers (1/2"). The mounting rails are sold separately.
No. The 5th wheel mounting rails are sold separately. The Curt 16443 kit includes the side plates and fastening hardware needed to attach the rails to your Ford Super Duty frame.
You will need: a 1/2" drill bit, a 1/8" drill bit, a 9/16" drill bit, a center punch, a tape measure, and a wrench or socket set for 1/2" fasteners. Two fishwire tools (1/2") are included in the kit. A torque wrench capable of 110 lb-ft is required for final tightening.
Yes, on the driver side only. Temporarily remove the brake cable hangers from the driver side frame rail before drilling. After drilling out the frame hanger hole with a 1/2" drill bit, reinstall the brake cable hangers on the driver side plate using the factory hardware. There are no hangers on the passenger side.
During installation, protect the fuel tank, filler tubes, brake lines, and wire harness on the driver side by placing a piece of metal between the truck bed floor and these components. This will prevent drilling into them. Always measure your truck and trailer before installing to ensure clearance at the cab and bumper for turns.
Three drill sizes are used: 1/2" for the frame hanger hole on the driver side, 1/8" for the initial mounting holes in the truck bed floor, and 9/16" for the final enlarged holes. The 1/8" holes are drilled first using a center punch to mark positions, then enlarged to 9/16" before fastening.
Yes. The installation requires drilling holes in the truck bed floor and frame. These modifications are permanent and cannot be reversed without welding or patching.
All 1/2" fasteners must be torqued to 110 lb-ft. Start with the bolts fastening the mounting rails to the side plates. All bolts are grade 5 and nuts are grade 5 unless specified otherwise. Use only the bolts, nuts, and washers supplied in the kit.
The mounting rails should be positioned 54.094 inches from the center line of the hitch to the center line of the axle, and 2.500 inches from the center line of the hitch. These dimensions apply to both short and long box Ford Super Duty trucks.
Yes. The installation process requires hand-tightening fasteners at intermediate steps before final torquing. Specifically, side plates are hand-tightened to the frame in step 8, and mounting rails are hand-tightened to the side plates in step 9. All 1/2" fasteners are then torqued to 110 lb-ft in step 12.
Spacers are used to ensure metal-to-metal contact between the frame bracket, mounting rails, and truck bed. The kit includes: 8 square hole spacers (CM-SP33, 0.250 x 1.50 x 2.00"), 8 U-shape spacers (CM-SP136, 0.313 x 1.00 x 2.00"), 2 square hole spacers (CM-SP6, 0.250 x 1.00 x 3.00"), and 2 square hole spacers (CM-SP28, 0.250 x 3.00 x 4.00"). Place spacers between the frame bracket or mounting rails and the truck bed as needed.
After the first rail is installed, place the unassembled 5th wheel, roller, or gooseneck hitch into the installed mounting rail. Position the second mounting rail by inserting its tabs into the first rail and pushing it tight toward the first rail. Ensure the second rail is centered on the truck bed floor. If using multiple hitch products, install both at the same time to ensure proper alignment and fit.
Do not exceed your vehicle manufacturer's recommended towing capacity. The Curt 16443 mounting rails do not increase your truck's towing capacity; they only provide a mounting point for 5th wheel, roller, or gooseneck hitch equipment. Always refer to your Ford Super Duty owner's manual for the maximum towing capacity.
The manual indicates an approximate installation time of 60 minutes. Actual installation time may vary depending on your experience level, tool availability, and whether you are installing one or two mounting rails.
Yes, Curt 16443 fits Ford Super Duty short and long box pickup trucks. It is not compatible with 2003 and earlier competitor 5th wheel products.
No, the 5th wheel mounting rails are sold separately. The kit includes side plates and all fastening hardware.
Yes. You must drill three hole sizes: 1/2" in the frame, 1/8" in the truck bed (then enlarged to 9/16"). Drilling is permanent.
All 1/2" fasteners must be torqued to 110 lb-ft. Use only the supplied grade 5 bolts and nuts.
Yes, temporarily remove driver side brake cable hangers before drilling. Reinstall them on the driver side plate using factory hardware after drilling.
No. Do not exceed your vehicle manufacturer's recommended towing capacity. Curt 16443 only provides a mounting point for 5th wheel equipment.
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