
INSTALLATION INSTRUCTIONS
3" SIDEBAR "ROCKER PANEL MOUNT"
PASSENGER/RIGHT FRONT BRACKET REPLACEMENT
2011-14 SILVERADO/SIERRA 25-3500 HD W/DEF DIESEL ONLY

3" SIDEBAR "ROCKER PANEL MOUNT"
PASSENGER/RIGHT FRONT BRACKET REPLACEMENT
2011-14 SILVERADO/SIERRA 25-3500 HD W/DEF DIESEL ONLY
PARTS LIST:
Qty Description Qty Description
1 Passenger/Right Front Mounting Bracket 2 10mm Lock Washers
1 Passenger/Right Front Support Bracket 2 10mm Hex Nuts
1 10mm x 25mm Bolt Plate 1 8mm Clip Nut
1 10mm Plastic retainer 1 8-1.25mm x 25mm Hex Bolt
1 10-1.5mm x 30mm Hex Bolt 1 8mm x 24mm x 2mm Flat Washer
3 10mm x 27mm x 3mm Flat Washers 1 8mm Lock Washer
10mm x 25mm Bolt
Plate w/Retainer
Passenger/right front
Support Bracket
Passenger/right front
Mounting Bracket
Front
PROCEDURE:
1. REMOVE CONTENTS FROM BOX. VERIFY ALL PARTS ARE PRESENT. READ INSTRUCTIONS
CAREFULLY BEFORE STARTING INSTALLATION.
2. Start installation under the passenger side front of the vehicle. Locate the round factory hole in the
bottom of the rocker panel closest to the front tire opening, (Figure 1). Remove the rubber plug. NOTE:
Only install this Bracket kit at the passenger side-front location next to the diesel exhaust fluid tank.
3. Select the 10mm Bolt Plate, (Figure 2A). Insert the Bolt Plate into the hole in the rocker panel, (Figure
2B). Thread the Plastic Retainer onto the threaded end of the Bolt Plate to help hold the Bolt Plate in
place. Select the "L" Support Bracket. Attach the short end of the "L" Bracket to the Bolt Plate with (1)
10mm Flat Washer, (1) 10mm Lock Washer and (1) 10mm Hex Nut. Leave hardware loose at this time.
4. Next, select (1) 8mm Clip Nut from the Sidebar installation kit, (Figure 3). Slide the Clip Nut onto the
mounting tab as described in the Sidebar installation instructions. Select the Sidebar Mounting
Bracket. Hang the Bracket from the Clip Nut with (1) 8mm Flat Washer, (1) 8mm Lock Washer and (1)
8mm Hex Bolt, (Figure 4). Do not tighten hardware at this time.
5. Bolt the Mounting Bracket to the back of the Support Bracket with (1) 10mm Hex Bolt, (2) 10mm Flat
Washers and (1) 10mm Lock Washer, (Figure 4). Do not fully tighten hardware at this time.
Page 1 of 2 7/31/13 (DP)

3" SIDEBAR "ROCKER PANEL MOUNT"
PASSENGER/RIGHT FRONT BRACKET REPLACEMENT
2011-14 SILVERADO/SIERRA 25-3500 HD W/DEF DIESEL ONLY
6. Continue to follow the installation instructions for the Sidebar kit. Do not fully tighten bracket hardware
until the final steps as directed in the instructions once Sidebar has been fully installed and adjusted.
7. Do periodic inspections to the installation to make sure that all hardware is secure and tight.
Passenger side front pictured
Remove rubber plug
Front
Fig 2A
Insert Bolt Plate
Fig 1
10mm Flat Washer
10mm Lock Washer
10mm Hex Nut
Slide 8mm Clip
Nut over tab as
per instructions
Front
Fig 2B
8mm Clip Nut
8mm Hex Bolt
8mm Lock Washer
8mm Flat Washer
Fig 3
10mm Hex Bolt
(2) 10mm Flat Washers
10mm Lock Washer
10mm Hex Nut
Fig 4
Front
Front
Page 2 of 2 7/31/13 (DP)