THUNDERMINGO Carburetor Carter YF Single-Barrel D5TZ9510AG — Direct-Fit for Ford 240/250/300 1975–1982

THUNDERMINGO D5TZ9510AG is a direct-replacement Carter YF single-barrel carburetor engineered to restore fuel delivery for Ford 240, 250 and 300 six-cylinder engines from 1975–1982.

This fully rebuilt-style carburetor is designed to match factory dimensions and common part numbers so you can swap in a reliable unit without modifying your intake. Built with precise machining and factory-style components, it targets owners restoring older Ford trucks, Jeeps using YF-type carbs, or anyone replacing a failed RSC-300A style carburetor. Before installation, clean fuel passages, filters, and confirm part numbers to ensure correct fitment.

Will this carburetor fit my vehicle?

If your engine originally used a Carter YF (single-barrel) carburetor, this THUNDERMINGO unit is intended as a direct fit for many applications used between 1975 and 1982. It covers common Ford 6-cylinder engines and several RSC-style part numbers.

• Directly replaces D5TZ9510AG, D5TZ-9510AG and RSC-300A numbers.
• Fits Ford 240, 250 and 300 6-cylinder engines (1975–1982).
• Also compatible with many Jeep CJ5 engines and older Ford models using single-barrel YF carbs.

What are the key measurements and mounting details?

The THUNDERMINGO D5TZ9510AG matches the intake bore and bolt pattern used on YF-type single-barrel carburetors, simplifying replacement without manifold changes. Verify these dimensions against your old unit before purchase.

• Intake inner diameter: 43 mm (about 1.72 in).
• Longest mounting bolt center distance: 85 mm (3.35 in).
• Shortest mounting bolt center distance: 58 mm (2.28 in).

What should I do before and during installation?

Carburetors contain small oil and fuel passages that can be clogged after storage or removal; cleaning and preparation reduce installation problems. Professional installation is recommended if you are not experienced with carburetor tuning or fuel systems.

• Clean oil channels, fuel passages, and the air filter before installing.
• Use fresh, clean fuel to avoid contamination during break-in.
• Confirm your original part number matches those listed; no instructions included.
• Seek professional help for tuning and choke adjustments if unsure.

How reliable and precise is this replacement carburetor?

THUNDERMINGO emphasizes precision assembly and component testing to provide a dependable replacement for worn or damaged carburetors. Each unit is inspected for fit and function, but routine tuning may still be needed to match your engine’s setup.

• Constructed to factory-style dimensions for direct replacement.
• Includes components and adjustments typical of YF single-barrel carbs.
• Recommended as a reliable option to replace defective carb assemblies.

Who this product is for: The THUNDERMINGO D5TZ9510AG is aimed at classic Ford owners, restoration hobbyists, and mechanics working on 1975–1982 Ford 240/250/300 six-cylinder engines or Jeeps equipped with Carter YF single-barrel carbs. If you need a dimensional match to D5TZ9510AG/RSC-300A-style parts and are prepared to clean fuel lines and tune the carburetor, this unit offers a practical swap-in solution for returning older vehicles to reliable operation.