C33766071 Carb — Carter YFA 1-Barrel, Electric Choke (Ford 300/250/200, F-Series & E-Series)

Restore smooth starts, cleaner idle, and better throttle response on classic Ford sixes with this C33766071 replacement carburetor. Built as a Carter-type YFA 1-barrel with an electric (automatic) choke , it’s designed for straightforward bolt-on installation on a wide range of F-Series trucks, E-Series vans, and other Ford models running the 3.3L/4.1L/4.9L inline-six. Each unit is newly manufactured (no core) from a durable zinc-alloy body and is 100% tested for function before shipping.

Why it’s a good pick

• Direct replacement: Carter/YFA-style 1-barrel with electric choke ; works with auto or manual transmissions.
• Driveability gains: Crisp throttle response; manufacturer notes ~5–10% horsepower potential vs. a failing carb (results vary by engine tune/condition).
• Ready to run: Pre-set to factory baseline; simple install and long service life.
• Backed up: 2-year warranty with fit & quality guarantee.

Specs

• Type: Carter YFA-style, 1-barrel
• Choke: Electric / automatic (12V)
• Material: Zinc alloy (chrome finish)
• Location: Front (intake mounting)
• System: Fuel/air delivery (carburetor)
• Part ID / Authority: C33766071 · MXR02FXSY

Engine compatibility

• Ford inline-6: 4.9L (300 ci) · 4.1L (250 ci) · 3.3L (200 ci)

Vehicle fitment (select examples)

• Trucks: Ford F100, F150, F250, F350
• Vans: Ford Econoline / E-Series E-100, E-150, E-250, E-350 (approx. 1965–1985 per listing)
• Other Ford models: Bronco , Fairmont , Granada
• Also listed: Ford F300 4.9L (refs: CA-7051 / CA-1270 / 16010-FD300 )

Note: Intended as a replacement for Carter YFA 1-barrel carbs with electric choke . Always compare your existing carb flange, linkage, and choke wiring before ordering.

What’s in the box

• 1 × Carburetor (Ford YFA-style, electric choke)
• Install gasket/hardware as supplied by seller (varies by kit)
• User notes/instructions (if provided)

Installation tips

• Verify manifold pattern, throttle/kickdown linkage, and fuel line orientation.
• Hook electric choke to a switched 12V source.
• After install, set idle speed/mixture and check for vacuum leaks.
• For best results, use fresh fuel filter and verify ignition timing.

Compliance & safety

• California Prop 65 Warning (per manufacturer).
• For off-road/older emissions-exempt vehicles where applicable—check local regulations.

If you need help confirming fitment for your exact year/engine tag, share your VIN/engine code and any carb numbers stamped on your current unit.