1966 GMC I3500 Bodies and Fender Parts

Keep Your 1966 GMC I3500 in Top Shape with Quality Bodies and Fender Parts

Whether you’re repairing or upgrading your Bodies and Fender Part, using high-quality parts is key to keeping your 1966 GMC I3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Running Boards and Steps, Spare Tire Strap, and Splash Guard (Mud Flap). Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1966 GMC I3500 Bodies and Fender Part at Advance Auto Parts is around $82.11, with a range that starts at $27.99 and goes up to $229.99. With 17 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Spare Tire Strap, Body B-Pillar, and Body Patch Panel start at just $27.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Bodies and Fender Part, don’t forget to check out other key components like Truck Beds and Vehicle Windows. At Advance Auto Parts, we’re here to help you keep your 1966 GMC I3500 in peak condition, inside and out.

Essential 1966 GMC I3500 Bodies and Fender Parts

KAI – Mud Flap (Part No.GMK4142485601L)

Mud Flap

from

$35.99
New Goodmark Driver Side Front Mud Guard With Brace, Located Under Cab Corner

Product Features:
  • Located Under Cab Corner
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Mud Flap (Part No.GMK4142485601R)

Mud Flap

from

$35.99
New Goodmark Passenger Side Front Mud Guard With Brace, Located Under Cab Corner

Product Features:
  • Located Under Cab Corner
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Body Patch Panel (Part No.GMK414219060R)

Body Patch Panel

from

$27.99
New Goodmark Passenger Side Fender Lower Rear Patch Panel, 15 Inches High X 17 Inches Wide

Product Features:
  • 15 Inches High X 17 Inches Wide
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Kick Panel (Part No.GMK414242960L)

Kick Panel

from

$52.99
New Goodmark Driver Side Footwell/Kick Panel Patch, 9 Inches High

Product Features:
  • 9 Inches High
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Kick Panel (Part No.GMK414242960R)

Kick Panel

from

$52.99
New Goodmark Passenger Side Footwell/Kick Panel Patch, 9 Inches High

Product Features:
  • 9 Inches High
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Spare Tire Strap (Part No.GMK4142965631)

Spare Tire Strap

from

$64.99
New Goodmark Spare Tire Mount Cross Strap

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Rocker Panel (Part No.GMK414247060R)

Rocker Panel

from

$89.99
New Goodmark Passenger Side Outer Rocker Panel, Style

Product Features:
  • Style
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Rocker Panel (Part No.GMK414247060L)

Rocker Panel

from

$79.99
New Goodmark Driver Side Outer Rocker Panel, Style

Product Features:
  • Style
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Body B-Pillar (Part No.GMK414247360L)

Body B-Pillar

from

$60.99
New Goodmark Driver Side Lower Rear Door Pillar Patch

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Fender Brace (Part No.GMK414219560R)

Fender Brace

from

$99.99
New Goodmark Passenger Side Front Lower Inner Fender Brace, Made Of Steel

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Fender Brace (Part No.GMK414166255S)

Fender Brace

from

$35.99
New Goodmark 3 Piece Rear Stepside Fender Brace Set, 2 Sets Required For 1 Truck

Product Features:
  • 2 Sets Required For 1 Truck
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Fender Brace (Part No.GMK414219560L)

Fender Brace

from

$93.99
New Goodmark Driver Side Front Lower Inner Fender Brace, Made Of Steel

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Body A-Pillar (Part No.GMK414247260L)

Body A-Pillar

from

$84.99
New Goodmark Driver Side Front Lower Door Pillar

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Body A-Pillar (Part No.GMK414247260R)

Body A-Pillar

from

$84.99
New Goodmark Passenger Side Front Lower Door Pillar

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Running Board (Part No.GMK4141660551L)

Running Board

from

$202.99
New Goodmark Driver Side Running Board, For Stepside Models With Short Bed

Product Features:
  • For Stepside Models With Short Bed
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Running Board (Part No.GMK4141660551R)

Running Board

from

$229.99
New Goodmark Passenger Side Running Board, For Stepside Models With Short Bed

Product Features:
  • For Stepside Models With Short Bed
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Body B-Pillar (Part No.GMK414247360R)

Body B-Pillar

from

$60.99
New Goodmark Passenger Side Lower Rear Door Pillar Patch

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Most Popular Running Boards and Steps for 1966 GMC I3500s

Enhance your 1966 GMC I3500 with one of the 2 Running Boards and Steps we have in stock, starting at just $202.99.

KAI – Running Board (Part No.GMK4141660551R)

Running Board

from

$229.99
New Goodmark Passenger Side Running Board, For Stepside Models With Short Bed

Product Features:
  • For Stepside Models With Short Bed
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Running Board (Part No.GMK4141660551L)

Running Board

from

$202.99
New Goodmark Driver Side Running Board, For Stepside Models With Short Bed

Product Features:
  • For Stepside Models With Short Bed
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Best-Selling 1966 GMC I3500 Spare Tire Strap

Upgrade your I3500 with our best-selling Spare Tire Strap.

KAI – Spare Tire Strap (Part No.GMK4142965631)

Spare Tire Strap

from

$64.99
New Goodmark Spare Tire Mount Cross Strap

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Top-Quality Splash Guard (Mud Flap) for 1966 GMC I3500s

Choose a high-quality OEM or aftermarket Splash Guard (Mud Flap) for GMC I3500s and enjoy top-notch performance from $35.99.

KAI – Mud Flap (Part No.GMK4142485601L)

Mud Flap

from

$35.99
New Goodmark Driver Side Front Mud Guard With Brace, Located Under Cab Corner

Product Features:
  • Located Under Cab Corner
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Mud Flap (Part No.GMK4142485601R)

Mud Flap

from

$35.99
New Goodmark Passenger Side Front Mud Guard With Brace, Located Under Cab Corner

Product Features:
  • Located Under Cab Corner
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Top Picks for 1966 GMC I3500 Fender Braces

Invest in one of our 3 durable Fender Braces for your 1966 GMC, knowing you’re getting trusted brands and expert craftsmanship.

KAI – Fender Brace (Part No.GMK414219560R)

Fender Brace

from

$99.99
New Goodmark Passenger Side Front Lower Inner Fender Brace, Made Of Steel

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Fender Brace (Part No.GMK414219560L)

Fender Brace

from

$93.99
New Goodmark Driver Side Front Lower Inner Fender Brace, Made Of Steel

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Fender Brace (Part No.GMK414166255S)

Fender Brace

from

$35.99
New Goodmark 3 Piece Rear Stepside Fender Brace Set, 2 Sets Required For 1 Truck

Product Features:
  • 2 Sets Required For 1 Truck
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Rocker Panels for 1966 GMC I3500s

Make a smart move for your 1966 GMC I3500 with products all priced from $79.99 to $89.99.

KAI – Rocker Panel (Part No.GMK414247060R)

Rocker Panel

from

$89.99
New Goodmark Passenger Side Outer Rocker Panel, Style

Product Features:
  • Style
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

KAI – Rocker Panel (Part No.GMK414247060L)

Rocker Panel

from

$79.99
New Goodmark Driver Side Outer Rocker Panel, Style

Product Features:
  • Style
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

FAQs for 1966 GMC I3500 Bodies and Fender Parts

What are the best-selling Bodies and Fender Parts for 1966 GMC I3500s?

Out of 17 Bodies and Fender Parts that fit 1966 GMC I3500s, the following parts are the top sellers:

What’s the price range for 1966 GMC I3500 Bodies and Fender Parts?

The prices of Bodies and Fender Parts for the 1966 GMC I3500 range from $27.99 up to $229.99 for the most premium parts.

What is the average price of a Bodies and Fender Part for a 1966 GMC I3500?

The average price for Bodies and Fender Parts for the 1966 GMC I3500 is $82.11. Keep in mind the variety of part types within our Bodies and Fender Part category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Bodies and Fender Parts for my 1966 GMC I3500?

The cheapest 1966 GMC I3500 Bodies and Fender Parts we carry are:

Does Advance Auto Parts sell Bodies and Fender Parts for any other 1966 GMC models?

What types of Bodies and Fender Parts do you sell for my 1966 GMC I3500?

As of 11/2/25, these are some of the most in-demand types of Bodies and Fender Parts for a 1966 GMC I3500:

Can I get help with 1966 GMC I3500 Bodies and Fender Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Bodies and Fender Parts and more.

What is your return policy for GMC I3500 Bodies and Fender Parts?

Advance Auto Parts keeps returns simple. For new GMC I3500 Bodies and Fender Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.