GM 366668 Nos Stepside Fuel Gas Cap C/k

( Brand: Gm ), ( Type: Choke ), ( Manufacturer Warranty: No Warranty ), ( Manufacturer Part Number: 366668 ), ( Country Of Origin: United States )

Review GM Nos Chevrolet Stepside Pickup Truck C/k Gmc Gas Gasoline Fuel Cap fits 1973–1978

Genuine GM Fuel Cap for 1973-1978 Chevrolet C/K Stepside and GMC Sierra Pickups

This is a genuine GM (General Motors) fuel cap designed specifically for 1973-1978 Chevrolet C/K Stepside and GMC Sierra pickup trucks. This fuel cap is an essential component for maintaining the fuel system's integrity and ensuring the safe and efficient operation of your vehicle.

The fuel cap features a classic design, emblazoned with the Chevrolet or GMC bowtie logo, depending on your vehicle make. It is manufactured using high-quality materials to ensure durability and resistance to the elements. The cap's sealing gasket is made from a flexible, weather-resistant rubber compound that provides a tight seal to prevent fuel evaporation and protect against contaminants.

The cap's design includes an integrated vent system that allows fuel vapors to escape, reducing pressure within the fuel tank and preventing fuel spills during refueling. The vent system also helps maintain proper fuel pressure, ensuring optimal engine performance.

This fuel cap is easy to install and replace, requiring no special tools or expertise. Simply remove the old fuel cap and replace it with the new one, following the instructions in your vehicle's owner's manual. The cap's threads are engineered to provide a secure connection with the fuel filler neck, ensuring a leak-free seal.

By using a genuine GM fuel cap, you can enjoy peace of mind knowing that you are using a part that meets or exceeds the original equipment manufacturer's specifications. This part is backed by GM's reputation for quality and reliability, ensuring a long service life and hassle-free performance.

In conclusion, this genuine GM fuel cap is an essential upgrade for your 1973-1978 Chevrolet C/K Stepside or GMC Sierra pickup truck. It offers superior durability, a reliable seal, and easy installation, ensuring that your fuel system remains in top condition and your vehicle continues to perform at its best.

Buying a 1973-1978 Chevrolet C/K Stepside or its equivalent GMC model with the GM part number 366668 (gas fuel cap) involves weighing several pros and cons to make an informed decision.

1. Authenticity: Original parts are often preferred by collectors and enthusiasts, as they maintain the vehicle's historical accuracy and value.

2. Fit and Function: OEM (original equipment manufacturer) parts are designed specifically for your vehicle, ensuring a perfect fit and optimal performance.

3. Warranty: New OEM parts usually come with a warranty, offering peace of mind and potential cost savings in case of defects or issues.

1. Cost: OEM parts can be more expensive than aftermarket parts due to the brand and manufacturing process.

2. Availability: Depending on the model and rarity, it may take longer to find and acquire an OEM part compared to aftermarket options.

3. Limited Customization: OEM parts are designed to function within the original specifications, limiting potential customization options.

The decision to buy a GM part number 366668 (gas fuel cap) for your 1973-1978 Chevrolet C/K Stepside or GMC equivalent depends on your priorities. If you value authenticity, perfect fit, and the peace of mind that comes with a warranty, an OEM part may be worth the investment. However, if cost and availability are your top concerns, consider purchasing an aftermarket part instead.

Before making a purchase, research the specific part and its availability from both OEM and aftermarket sources. Compare prices, shipping times, and warranties to determine which option aligns best with your budget, timeline, and preferences.

part # 366668 prices

• $5.00-$76.00

specifications carbcaddie:

• for makes: Chevrolet, Gmc
• for years: 1973-1978
• brand: Gm
• type: Choke
• manufacturer warranty: No Warranty
• manufacturer part number: 366668
• country of origin: United States

shipping carbcaddie:

• type: Calculated
• carrier: USPS
• cost: $11.95
• transit: 6-12 Days
• class: Standard
• service: USPS Ground Advantage

payments carbcaddie:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer carbcaddie:

• started: June 19, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 2

seller carbcaddie:

• rating: 100.0%
• # reviews: 21664

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New

returns carbcaddie:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

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