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  3. TOYOTA SD-40

TOYOTA SD-40 Aisin Carburetor Airram Sd

fits model: Fj40. make: Toyota.

Sd-40 Toyota Aisin Sd 40 Carburetor Blue Airram Fj40

( Manufacturer Part Number: SD-40 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: No ), ( California Prop 65 Warning: California Prop 65 Warning )

Review TOYOTA Aisin Sd 40 Carburetor Blue Airram fits FJ40

The Toyota SD-40 AISIN SD40 carburetor is a renowned fuel delivery system specifically designed for use in classic and vintage Toyota FJ40 models. This carburetor, manufactured by AISIN Seiki, is a replacement part for original SD40 carburetors that may have worn out or been damaged over time.

The SD-40 carburetor is a single-barrel, downdraft carburetor that features an efficient and reliable design for delivering a consistent fuel-air mixture to the engine. It is designed to meet the specific fuel delivery requirements of the FJ40's 2F engine, ensuring optimal engine performance.

The carburetor body is made of durable cast aluminum, which provides excellent heat dissipation properties. The carburetor also includes a choke mechanism, which helps ensure easy starting in cold weather conditions. The SD-40 carburetor is equipped with a primary and secondary fuel metering system, which ensures a smooth and steady power delivery across the engine's RPM range.

The carburetor's float bowls are designed with a capacity of 1.3 liters, which provides an adequate fuel supply for the engine during idling and low-speed operation. The float bowls are also designed with a venturi shape, which ensures an efficient fuel-air mixture. The carburetor's idle mixture screws are adjustable, allowing for fine-tuning of the engine's idle speed and quality.

The SD-40 carburetor includes a number of other features designed to enhance its durability and performance. These include a reinforced throttle shaft, heavy-duty accelerator pump, and a wear-resistant diaphragm. The carburetor also comes with a new gasket set and mounting hardware, making installation a straightforward process.

In summary, the Toyota SD-40 AISIN SD40 carburetor is a high-quality replacement part for classic and vintage Toyota FJ40 models. Its durable design, efficient fuel delivery system, and adjustable idle mixture screws make it an excellent choice for ensuring optimal engine performance in these vehicles.

The Toyota SD-40 Aisin SD40 carburetor is a popular choice for those looking to upgrade the fuel system in their FJ40 Land Cruiser. Here are some pros and cons to consider before making a purchase:

Pros:

1. Improved Performance: The SD40 carburetor is known for providing better fuel mixture and improved performance compared to the stock carburetor. This can lead to increased horsepower and torque, making your FJ40 more responsive and fun to drive.

2. Better Fuel Economy: The SD40 carburetor is designed to provide a more efficient fuel delivery system, which can lead to better fuel economy. This can save you money in the long run on fuel costs.

3. Reliability: The SD40 carburetor is a well-engineered and proven design that has been used in various applications for many years. It is known for its durability and reliability, making it a popular choice for those looking for a long-term solution.

4. Easy Installation: The SD40 carburetor is relatively easy to install, and many aftermarket kits are available to make the process even simpler. This can save you time and money on installation costs.

Cons:

1. Cost: The SD40 carburetor can be more expensive than the stock carburetor, especially when you factor in the cost of any necessary modifications or aftermarket parts.

2. Complexity: The SD40 carburetor is a more complex design than the stock carburetor, which can make it more difficult to tune and maintain. This may require additional expertise or investment in specialized tools and knowledge.

3. Potential Compatibility Issues: The SD40 carburetor may not be compatible with all FJ40 models or engine configurations. It is important to confirm compatibility before making a purchase to avoid any potential issues.

In conclusion, the Toyota SD-40 Aisin SD40 carburetor can provide significant performance and fuel economy benefits for your FJ40 Land Cruiser. However, it also comes with some potential drawbacks, including cost, complexity, and potential compatibility issues. Ultimately, the decision to purchase an SD40 carburetor will depend on your specific needs, budget, and expertise. If you are looking for a reliable and high-performing fuel system upgrade, the SD40 carburetor may be worth considering. However, if you are on a tight budget or are not comfortable with the complexity of the installation process, you may want to explore other options.

Details:

Would likely need a full rebuild. Have not opened carb or checked operation other than the above. Float moves when carb is shacked. Everything seems intact, choke moves freely, throttle is stiff but not frozen.

Unknown history, came with a box of parts for different car. Sold as-is Used aisin sd 40 carburetor.

part #: sd40 price

  • $17.00

specifications carbcoon:

  • for models: Fj40
  • for makes: Toyota
  • mpn: Sd-40
  • choke type: Mechanical
  • type: Carburetor
  • manufacturer warranty: 1 Year
  • universal fitment: No
  • california prop 65 warning: California Prop 65 Warning

general carbcoon:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
  • condition: Used

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  • # reviews: 207
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  • city: Costa Mesa, California

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  • transit: 4-12 Days
  • cost: $26.47

offer carbcoon:

  • sold: 0
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  • options: Ship-to-home
  • started: January 12, 2026
for models: fj40, for makes: toyota, choke type: mechanical, type: carburetor, manufacturer warranty: 1 year, universal fitment: no, california prop 65 warning: california prop 65 warning,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 9704167847880741,

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1 offer $17.00 USD
  • Offer #1: $17.00 price + $5.00 shipping estimate = $22.00* total. Air cleaner to carburetor gasket for '58-3/'69 Toyota Land Cruiser FJ40, FJ45 with single barrel D40 or SD40 carburetor.+$5.00 shipping

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