
PARTS LIST:
1 Driver/Left Sidebar 4 ½” x 2” Hex Head Bolts
1 Passenger/Right Sidebar 4 ½” Lock Washers
2 Front Mounting Brackets 4 ½” ID x 1 3/8” OD x 3/32” Flat Washers
2 Center Mounting Brackets 2 10-1.50mm x 25mm Hex Head Bolts
2 Rear Mounting Brackets 2 10mm Lock Washers
2 10mm ID x 26mm OD x 1.5mm Flat Washers
INSTALLATION INSTRUCTIONS
3” SIDEBAR
99-11 CHEVY SILVERADO 1500/2500 EXT CAB
PART # CN1910 S4X
Brackets
Brackets
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Brackets

PROCEDURE:
1. REMOVE CONTENTS FROM BOX. VERIFY ALL PARTS ARE PRESENT. READ
INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATION.
2. From underside of vehicle, remove the driver side body mount bolts. NOTE: Do not remove
body mount bushings.
3. Partially install front, center, and rear Mounting Brackets to vehicle using the factory body
mount bolts removed in step two. NOTE: Make sure that the support brace on the Front
Mounting Bracket is towards the front of the vehicle and the support brace on the center
Mounting Bracket is towards the body mount.
4. With help position Side Bar onto Mounting Brackets. Attach front and rear Mounting Brackets
to Sidebar using the included (2) ½” x 2” Hex Head Bolts, (2) ½” Flat Washers, and (2) ½” Lock
Washers. Do not tighten at this time.
5. Attach center Mounting Bracket to Sidebar using the included (1) 10-1.50mm x 25mm Hex
Head Bolt, (1) 10mm Flat Washer, and (1) 10mm Lock Washer. Do not tighten at this time.
6. Level and adjust Side Bar properly; and then tighten all hardware at this time.
7. Repeat steps 2-6 for passenger Sidebar.
8. Do periodic inspections to the installation to make sure that all hardware is secure and tight.
To protect your investment, wax this product after installing. Regular waxing is recommended to add a
protective layer over the finish. Do not use any type of polish or wax that may contain abrasives that could
damage the finish.
For stainless steel: Aluminum polish may be used to polish small scratches and scuffs on the finish. Mild
soap may be used also to clean the Taillight Guard.
For gloss black finishes: Mild soap may be used to clean the Taillight Guard.
(Driver Side Installation Shown)
½” Lock Washer
½” Flat Washer
Mounting
Bracket
Fig 1
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10mm x 25mm Hex Head Bolt
10mm Lock Washer
10mm Flat Washer
½” Lock Washer
½” Flat Washer
Mounting
Bracket
Mounting
Bracket
Complete
Fig 2
Fig 3
Fig 4
Smittybilt Automotive Products
400 W Artesia Blvd Compton Ca. 90220 (800)-717-8797
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