Smittybilt 51040 User Manual
Installation Instructions
Bull Bar (#51039&51040)
07 CHEVY SILVERADO 2500 HD / 07 GMC SIERRA
2500 HD
PARTS LIST:
1 Bull Bar 4 10-1.50mm x 30mm Hex Head Bolts
Driver/Left Frame Bracket (A)
1
Passenger/Right Frame Bracket (B)
1
Driver/Left Bull Bar Bracket (C)
1
Passenger/Right Bull Bar Bracket (D)
1
4 8-1.25mm x 25mm Hex Head Bolts 4 12mm Lock Washers
4 8mm Lock Washers 4
4 8mm ID x 22mm OD x 3mm Flat Washers 8 12mm ID x 29mm OD x 3mm Flat Washers
10mm Lock Washers
4
4 10mm Hex Nuts
8 10mm ID x 26mm OD x 3mm Flat Washers
4 12-1.75mm x 35mm Hex Head Bolts
12mm Hex Nuts
PROCEDURE:
1. REMOVE CONTENTS FROM BOX. VERIFY ALL PARTS ARE PRESENT. READ
INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATION.
2. NOTE: It may be necessary to remove/relocate front license plate and license plate bracket.
It is not required, but strongly recommended. If local/state law requires a license plate,
license plate relocation kit is available.
3. From underside of vehicle, remove the two bolts holding the driver factory tow hook, then
remove tow hook from vehicle. NOTE: This Bull Bar is not compatible with factory tow hooks,
so you will not be reinstalling factory tow hooks back onto vehicle.
4. Determine driver and passenger Frame Brackets. NOTE: Refer to Figure above for bracket
configuration. Position driver side Frame Bracket to the outside of the frame rail and secure
using the included (2) 12mm x 35mm Hex Head Bolts, (2) 12mm lock Washers, (2) 12mm
Hex Nuts, and (4) 12mm Flat Washers (Fig 1). Do not tighten at this time.
5. Repeat steps 3&4 for passenger side Frame Bracket.
6. Before mounting to truck, loosely attach Bull Bar to Bull Bar Brackets using the included (4)
8mm x 25mm Hex Head Bolts, (4) 8mm Lock Washers, and (4) 8mm Flat Washers (Fig 2).
Do not tighten at this time.
7. With help position Bull Bar assembly onto the inner side of Frame Brackets. Attach Bull Bar
Brackets to Frame Brackets using the included (4) 10mm x 30mm Hex Head Bolts, (4) 10mm
Lock Nuts, (4) 10mm Hex Nuts, and (8) 10mm Flat Washers (Fig 3 & 4). Do not tighten at
this time.
8. Level and adjust Bull Bar, then tighten all hardware at this time. NOTE: If you can’t reach the
Bull Bar Bolts (8mm hardware) from behind of bumper and though tow hook cavity, some
cutting might be necessary to the tow hook cavity in order to tighten the Bull Bar Bolts.
9. Do periodic inspections to the installation to make sure that all hardware is secure and tight.
(A) (B)
(C) (D)
For Technical Support/Warranty Information please call 310-762-9944
Smittybilt, 400 West Artesia Blvd, Compton, CA 90220
Page 1 of 3
12mm x 35mm Hex Head
8mm x 25mm Hex Head Bolt,
10mm x
30mm Hex Head
Some cutting might be
Installation Instructions
12mm Lock Washers,
12mm Hex Nuts, &
12mm Flat Washers
Figure 1 Figure 2
Figure 3 Figure 4
Bull Bar (#51039&51040)
07 CHEVY SILVERADO 2500 HD / 07 GMC SIERRA
(Passenger Side Bracket Installation Shown)
Bolts,
necessary around here
Installation Complete
Figure 5
For Technical Support/Warranty Information please call 310-762-9944
Smittybilt, 400 West Artesia Blvd, Compton, CA 90220
Page 2 of 3
2500 HD
8mm Lock Washer, &
8mm Flat Washer
Bolts,
10mm Lock Washers,
10mm Hex Nuts, &
10mm Flat Washers
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