40309 Fuel Pump 1965-1966 Chevy Chevelle 230 250 w/AC Rebuilt

Genuine Westling 40309 Fuel Pump Rebuilt

Restore the reliability of your classic Chevrolet with this genuine Westling 40309 Mechanical Fuel Pump. This is a vintage Rebuilt part, manufactured in the USA. It features high-quality vintage casting and diaphragm materials that provide superior durability and correctness compared to modern lightweight reproductions.

This part is designed for the Engine Fuel System on specific 1965-1966 Chevrolet Chevelle vehicles equipped with 230 or 250 CID Inline-6 engines and Factory Air Conditioning (High Volume/Pressure application).

Key Features:

• Part Number: 40309 (Westling)
• Interchange Part: Airtex 40309, AC 40309, 6440309
• Position: Mechanical Fuel Pump (Engine Block Mount)
• Engine Fitment: 230 / 250 CID Inline-6 (w/ AC)
• Origin: Made in USA (Vintage Stock)
• Condition: Rebuilt

Verified Vehicle Fitment:

Fits Years:

1965 1966

Product Note: Vintage Stock Photos

This listing uses stock images for reference. Because these are Rebuilt parts manufactured decades ago, the item you receive may have cosmetic differences from the photo, such as:

• Packaging: Box styles, colors, or condition may vary (or item may be bulk packed).
• Finish: Materials, colors, or plating may vary between production runs.
• Shelf Wear: Minor cosmetic signs of age are normal for vintage parts.

Rest assured, the Part Number (40309) and Fitment specifications are verified to be 100% correct for the vehicles listed.

Unbeatable Prices & Expectations

We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.

Please Note: While we verify fitment to the best of our ability using vintage catalogs, there can be variations. We strongly recommend comparing our photos and specs to your original part before purchasing.