Pro Series 51073 User Manual
Installation Instructions
Installation Instructions
Part Numbers:
Bumper
bracket
Truck
frame
Hitch Shown In Proper Position
Equipment Required:
Fastener Kit: 51073F
Wrenches: 3/4, 21 mm, 22mm
Drill Bits: None
Chevrolet 2500/3500 Silverado Trucks
GMC 2500/3500 Sierra Trucks
(Requires factory bumper & brackets)
Bumper
Note: factory installed
steel step bumper and
bumper brackets must
be used with hitch.
7
6
5
4
Frame
Weight Distributing
Weight Carrying
Do Not Exceed Lower of Towing Vehicle
Manufacturer’s Rating or
Hitch type
Ball Mount
5
4
7
6
Existing weldnuts,
typical both sides
Max Gross
Trailer WT
7,500lb. (3405 Kg) 750lb. (341 Kg)
5000lb. (2270 Kg) 500lb. (227 Kg)
Wiring Access Location: PU3
51073
Max Tongue
WT
3
2
1
3
2
1
Note: All Fasteners Typical Both Sides of Vehicle
Qty. (2) Bolt M14 X 2.00 X 40mm Qty. (2) Block, 1/4” X 1-1/2” X 3”
1
Qty. (2) Lock Washer 9/16 Qty. (2) Conical Washer 1/2
2
Qty. (2) Flat Washer 9/16 Qty. (2) Hex Nut 1/2-13
3
Qty. (2) Carriage Bolt 1/2-13 X 1-3/4
4
Install new M14 bolts through hitch into weldnuts in truck frame and into step bumper.
Fasteners: typical both sides of vehicle.
1. Remove existing M14 bolts from end of each truck frame rail.
2. Lift hitch into position, locating rearmost slots in hitch under existing weldnuts in truck frame.
3. Install new M14 bolts through hitch into weldnuts in truck frame.
4. Install remaining fasteners as shown.
Tighten M14 CL10.9 fasteners with torque wrench to 115 Lb.-Ft. (156 N*M)
Tighten all 1/2 GR5 fasteners with torque wrench to 75 Lb.-Ft. (102 N*M)
5
6
7
Note: check hitch frequently, making sure all fasteners and ball are properly tightened. If hitch is removed, plug all holes in trunk pan or other body panels to
prevent entry of water and exhaust fumes. A hitch or ball which has been damaged should be removed and replaced. Observe safety precautions when working
beneath a vehicle and wear eye protection. Do not cut access or attachment holes with a torch.
This product complies with safety specifications and requirements for connecting devices and towing systems of the state of New York, V.E.S.C. Regulation V-5
and SAE J684.
z 2007 Cequent Towing Products
Sheet 1 of 3 51073N 5-7-07 Rev. A
Form: F205 Rev A 5-6-05
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