1966 GMC 3000 Truck Beds

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Keep Your 1966 GMC 3000 in Top Shape with Quality Truck Beds

Whether you’re repairing or upgrading your Truck Bed, using high-quality parts is key to keeping your 1966 GMC 3000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Truck Bed Panels, Truck Cab Floor Supports, and Truck Cab Corners. 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 3000 Truck Bed at Advance Auto Parts is around $167.24, with a range that starts at $13.99 and goes up to $399.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Truck Bed Panel, Truck Floor Mount Strip, and Driver Side Truck Cab Floor Rear Support start at just $13.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Truck Bed, don’t forget to check out other key components like Vehicle Hoods and Vehicle Windows. At Advance Auto Parts, we’re here to help you keep your 1966 GMC 3000 in peak condition, inside and out.

Essential 1966 GMC 3000 Truck Beds

KAI – Driver Side Truck Cab Floor Rear Support (Part No.RRP139)

Driver Side Truck Cab Floor Rear Support

from

$13.99
New, Standard Replacement Rear Cab Floor Support, Slip-On Style, Driver Side, 7 3/4 X 15

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Or Modifications Needed For Installation
  • Same Form Fit As OE
See More

KAI – Truck Bed Panel (Part No.GMK4142630602)

Truck Bed Panel

from

$399.99
New Goodmark Front Pickup Box Panel, Front, Fleetside/Wideside

Product Features:
  • Front Fleetside/Wideside
  • 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 – New Goodmark Passenger Side Outer Truck Cab Corner, Repair Panel (Part No.GMK4142485602R)

New Goodmark Passenger Side Outer Truck Cab Corner, Repair Panel

from

$34.99
As the Leading Value-Added Global Distributor of High Quality Replacement Components, Equipment, and Parts to Repair and Accessorize Their Automobiles, Trucks, and Other Vehicles While Offering Our Customers the Most Comprehensive and Cost Effective Part Solutions, We Are Supplying a New Goodmark Passenger Side Outer Truck Cab Corner, Repair Panel. It is Designed to Replace Your Existing Truck Cab Corner. Check to Be Sure it Fits Your Vehicle.

Product Features:
  • Repair Panel
  • 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 – Truck Floor Mount Strip (Part No.GMK4142731605S)

Truck Floor Mount Strip

from

$219.99
New Goodmark Bed Parts Misc, Shortbed, Fleetside/Wideside, Bed Strip Kit

Product Features:
  • Shortbed Fleetside/Wideside Bed Strip Kit
  • 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 Truck Bed Panel for 1966 GMC 3000s

Enhance your 1966 GMC 3000 with this popular Truck Bed Panel we have in stock, for $399.99.

KAI – Truck Bed Panel (Part No.GMK4142630602)

Truck Bed Panel

from

$399.99
New Goodmark Front Pickup Box Panel, Front, Fleetside/Wideside

Product Features:
  • Front Fleetside/Wideside
  • 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 3000 Truck Cab Floor Support

Upgrade your 3000 with our best-selling Truck Cab Floor Support.

KAI – Driver Side Truck Cab Floor Rear Support (Part No.RRP139)

Driver Side Truck Cab Floor Rear Support

from

$13.99
New, Standard Replacement Rear Cab Floor Support, Slip-On Style, Driver Side, 7 3/4 X 15

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Or Modifications Needed For Installation
  • Same Form Fit As OE
See More

Top-Quality Truck Cab Corners for 1966 GMC 3000s

Choose a high-quality OEM or aftermarket Truck Cab Corner for GMC 3000s and enjoy top-notch performance from $34.99.

KAI – New Goodmark Passenger Side Outer Truck Cab Corner, Repair Panel (Part No.GMK4142485602R)

New Goodmark Passenger Side Outer Truck Cab Corner, Repair Panel

from

$34.99
As the Leading Value-Added Global Distributor of High Quality Replacement Components, Equipment, and Parts to Repair and Accessorize Their Automobiles, Trucks, and Other Vehicles While Offering Our Customers the Most Comprehensive and Cost Effective Part Solutions, We Are Supplying a New Goodmark Passenger Side Outer Truck Cab Corner, Repair Panel. It is Designed to Replace Your Existing Truck Cab Corner. Check to Be Sure it Fits Your Vehicle.

Product Features:
  • Repair Panel
  • 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

Our Top Pick for a 1966 GMC 3000 Truck Bed Floor Mounting Strip

Invest in a durable Truck Bed Floor Mounting Strip for your 1966 GMC, knowing you’re getting trusted brands and expert craftsmanship.

KAI – Truck Floor Mount Strip (Part No.GMK4142731605S)

Truck Floor Mount Strip

from

$219.99
New Goodmark Bed Parts Misc, Shortbed, Fleetside/Wideside, Bed Strip Kit

Product Features:
  • Shortbed Fleetside/Wideside Bed Strip Kit
  • 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 3000 Truck Beds

What are the best-selling Truck Beds for 1966 GMC 3000s?

Out of 4 Truck Beds that fit 1966 GMC 3000s, the following parts are the top sellers:

What’s the price range for 1966 GMC 3000 Truck Beds?

The prices of Truck Beds for the 1966 GMC 3000 range from $13.99 up to $399.99 for the most premium parts.

What is the average price of a Truck Bed for a 1966 GMC 3000?

The average price for Truck Beds for the 1966 GMC 3000 is $167.24. Keep in mind the variety of part types within our Truck Bed category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Truck Beds for other GMC 3000 model years?

Yes, we carry Truck Beds for 5 model years of GMC 3000s between 1960 and 1965. The following model years are the most popular for Truck Bed purchases: 1965, 1964, 1963, 1962, 1961, and 1960.

What are the cheapest Truck Beds for my 1966 GMC 3000?

The cheapest 1966 GMC 3000 Truck Beds we carry are:

Does Advance Auto Parts sell Truck Beds for any other 1966 GMC models?

Yes. We stock Truck Beds for 9 other popular 1966 GMC models. Some of the most popular are 1966 K15/K1500 Pickup Truck Beds, 1966 I1500 Truck Beds, 1966 I1000 Truck Beds, 1966 3500 Truck Beds, and 1966 I2500 Truck Beds.

What types of Truck Beds do you sell for my 1966 GMC 3000?

As of 11/2/25, these are some of the most in-demand types of Truck Beds for a 1966 GMC 3000:

Can I get help with 1966 GMC 3000 Truck Bed orders?

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

What is your return policy for GMC 3000 Truck Beds?

Advance Auto Parts keeps returns simple. For new GMC 3000 Truck Beds and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.