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Westin Automotive Products, Inc. 

320 W. Covina Blvd 

San Dimas, Ca. 91773 

Thank you for choosing Westin products 

for additional installation assistance please call 

Customer Service (800) 793-7846 

www.westinautomotive.com 

P.N.: 75-1008-RevC 

ECO #: W15-0151 

DATE: 9/10/15 

INSTALLATION INSTRUCTIONS 

AUTOMOTIVE PRODUCTS, 

PLATINUM 4” OVAL STEP BAR (90° BENT END) 

APPLICATION:  

2010-2015 Dodge Ram 2500/3500 Mega Cab 

PART NUMBER:  

21-3570, 21-3575, 23-3570, 23-3575, 25-3570, 25-3575, 26-3570

 

ITEM 

QUANTITY 

DESCRIPTION 

TOOLS NEEDED 

1,2 

SIDE STEP BAR 

18MM SOCKET 

3,4 

FRONT MOUNTING BRACKET 

19MM SOCKET 

5,6 

FRONT SUPPORT BRACKET 

16MM SOCKET 

REAR MOUNTING BRACKET 

18MM WRENCH 

8,9 

CENTER MOUNTING BRACKET 

RATCHET 

10,11 

REAR SUPPORT MOUNTING BRACKET 

TORQUE WRENCH 

12 

REAR SUPPORT STRAP 

 

13 

1/2” HEX BOLTS 

 

14 

1/2” LOCK WASHERS 

 

15 

1/2” FLAT WASHERS 

 

16 

M12 BOLT / M10 NUT PLATE 

 

17 

M12 BOLT PLATE 

 

18 

M12 FLAT WASHERS 

 

19 

M12 LOCK WASHERS 

 

20 

M12 HEX NUTS 

 

21 

M12 PLASTIC RETAINERS 

 

22 

M10 BOLT PLATES 

 

23 

M10 FISH WIRE 

 

24 

M10 PLASTIC RETAINER 

 

25 

M10 HEX BOLTS 

 

26 

LARGE M10 FLAT WASHERS 

 

27 

SMALL M10 FLAT WASHERS 

 

28 

10 

M10 LOCK WASHERS 

 

29 

6  

M10 HEX NUTS 

 

30 

LONG M8 HEX BOLTS 

 

31 

SHORT M8 HEX BOLTS 

 

32 

LARGE M8 FLAT WASHERS  

 

33 

SMALL M8 FLAT WASHERS  

 

34 

M8 LOCK WASHERS 

 

ANTI-SEIZE LUBRICANT MUST BE USED ON ALL STAINLESS STEEL FASTENERS TO PREVENT THREAD DAMAGE AND GALLING

 

Summary of Contents for 21-3570

Page 1: ...UPPORT BRACKET 16MM SOCKET 7 2 REAR MOUNTING BRACKET 18MM WRENCH 8 9 2 CENTER MOUNTING BRACKET RATCHET 10 11 2 REAR SUPPORT MOUNTING BRACKET TORQUE WRENCH 12 2 REAR SUPPORT STRAP 13 4 1 2 HEX BOLTS 14 4 1 2 LOCK WASHERS 15 4 1 2 FLAT WASHERS 16 4 M12 BOLT M10 NUT PLATE 17 2 M12 BOLT PLATE 18 4 M12 FLAT WASHERS 19 4 M12 LOCK WASHERS 20 4 M12 HEX NUTS 21 6 M12 PLASTIC RETAINERS 22 2 M10 BOLT PLATES ...

Page 2: ... Plate is pulled into the forward hole Fig 3 Hold the Bolt Plate in place and unscrew the Fish Wire Thread the Plastic Retainer onto the Bolt Plate to hold it in place Fig 4B IMPORTANT The Retainer is designed to keep the Bolt Plate from falling into the body panel and to aid in Bracket in stallation 4 Determine correct procedure for your model year Models without factory threaded inserts in body ...

Page 3: ...her 1 M12 Lock Washer and 1 M12 Hex Nut Fig 11 Rotate the Bolt and Nut plate until the Nut end lines up with the remaining hole in the Mounting Bracket and body Thread 1 M10 Hex Bolt 1 M10 Flat Washer and 1 M10 Lock Washer into the threaded nut On models with factory installed threaded insert use the Bolt and Nut Plate to at tach the top of the Bracket but attach the bottom of the Bracket to the t...

Page 4: ...e installation to make sure all hardware is secure and tight DRIVER SIDE INSTALLATION PICTURED Fig 1 Insert coiled end of Fish Wire into the for ward oval hole and out through the larger oval hole Front Fig 2 With Fish Wire as pictured on Figure 1 in body panel thread M10 Bolt Plate onto coiled end Fig 3 With the M10 Bolt Plate attached slowly pull the Fish Wire back through the forward hole in th...

Page 5: ...B Models without factory threaded inserts rotate Bolt and Nut Plate to line up Nut with hole in body panel and Bracket Front Fig 5A Bolt and Nut Plate M10 Hex Bolt M10 Lock Washer M10 Flat Washer Fig 6 Models without factory threaded inserts only Front 1 M10 Flat Washer 1 M10 Lock Washer 1 M10 Hex Nut Long M8 Hex Bolt M8 Lock Washer Large M8 Flat Washer Bolt Nut Plate not required on models with t...

Page 6: ...n Front Remove the factory body mount bolt and washer line up the slot in the driver side Support Bracket and reinstall the factory bolt and washer Fig 9A Fig 9B Insert Bolt and Nut Plate with Retainer into center location Rotate Bolt and Nut plate to line up Nut with this hole in body panel and slot in Bracket Front Front Fig 10 Center Mounting Bracket pictured 1 M12 Flat Washer 1 M12 Lock Washer...

Page 7: ... Fig 12 Push rear Mounting Bracket up against the body as you tighten hardware 1 M12 Flat Washer 1 M12 Lock Washer 1 M12 Hex Nut Fig 13 Driver side rear Bracket illustrated Rear Remove the factory rear body mount bolt and washer Use the factory body bolt to attach the driver side rear Support Mounting Bracket to the body mount M10 Hex Bolt 2 Small M10 Flat Washers M10 Lock Washer M10 Hex Nut Fig 1...

Page 8: ...1008 RevC ECO W15 0151 DATE 9 10 15 Front Fig 16 Short M8 Hex Bolt M8 Lock Washer M8 Flat Washer CARE INSTRUCTIONS REGULAR WAXING IS RECOMMENDED DO NOT USE ANY TYPE OF POLISH OR WAX THAT MAY CONTAIN ABRASIVES STAINLESS STEEL PRODUCTS CAN BE CLEANED WITH MILD SOAP AND WATER STAINLESS STEEL POLISH SHOULD BE USED TO POLISH SMALL SCRATCHES GLOSS BLACK FINISHES SHOULD BE CLEANED WITH MILD SOAP AND WATE...

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