JAZ 391-251-03 Fill Valve Check Flapper 000391251036 12-BOLT

( Brand: Jaz ), ( Manufacturer Part Number: 391-251-03 ), ( Part Type: Valve Check ), ( UPC: 000391251036 )

Review JAZ 12-bolt Fill Valve Check Flapper

Introducing the JAZ 391-251-03 12-bolt fill valve check flapper, a crucial component designed to maintain the optimal performance of your automatic transmission system. This check flapper is specifically engineered for 12-bolt transmission applications and is an essential upgrade for those seeking to ensure their vehicle's transmission functions at its best.

The JAZ 391-251-03 fill valve check flapper is meticulously crafted from premium materials, ensuring both durability and reliability. The flapper design allows for smooth transmission fluid flow between the transmission and the cooler, preventing air from entering the system and potentially causing damage.

This component is critical in maintaining an adequate transmission fluid level, which is essential for the longevity and efficiency of your transmission. The flapper's check function ensures that the transmission fluid level remains consistent, preventing any potential leaks or overfilling issues.

The JAZ 391-251-03 12-bolt fill valve check flapper is an easy-to-install upgrade. It simply replaces the existing worn-out or malfunctioning check flapper in your transmission system. The installation process is straightforward and does not require any extensive mechanical knowledge or specialized tools.

By investing in the JAZ 391-251-03 12-bolt fill valve check flapper, you're not only ensuring the continued performance and longevity of your transmission system, but you're also enhancing the overall driving experience of your vehicle. The smooth transmission fluid flow and consistent fluid level provided by this component contribute to improved shift quality, better fuel efficiency, and reduced wear on your transmission components.

In summary, the JAZ 391-251-03 12-bolt fill valve check flapper is an essential upgrade for any vehicle owner with a 12-bolt transmission system. Its premium construction, seamless functionality, and straightforward installation process make it a worthwhile investment for those seeking to optimize the performance of their transmission system and enhance their driving experience.

Pros and Cons of Buying JAZ 391-251-03 12-Bolt Fill Valve Check Flapper

The JAZ 391-251-03 12-Bolt Fill Valve Check Flapper is a crucial automotive part used in the fuel system. It ensures proper fuel flow from the tank to the carburetor or fuel injection system. In this discussion, we will explore the potential advantages and disadvantages of investing in this specific product.

1. Enhances fuel system efficiency: A new check flapper can help improve the fuel system's overall performance, ensuring smoother engine operation and improved fuel economy.

2. Reduces fuel leaks: A faulty check flapper can cause fuel leaks, leading to potential damage to the vehicle and increased fuel costs. Replacing it with a new one can help prevent these issues.

3. Easy installation: This part is designed to be easy to install, allowing most DIY enthusiasts to replace it themselves, saving time and money on labor costs.

1. Potential for incorrect part selection: Ensuring that you purchase the correct part for your specific vehicle make and model is essential to prevent potential complications and wasted resources.

2. Availability and cost: Depending on your location and the availability of the part from local suppliers, you may need to pay additional shipping costs or wait for the part to arrive. The cost of this part may also vary from one retailer to another.

3. Potential for unintended damage during installation: improper installation of the check flapper could potentially result in damage to other fuel system components, leading to additional repair costs.

The JAZ 391-251-03 12-Bolt Fill Valve Check Flapper is an essential automotive component that can contribute to improved fuel system efficiency and reduced fuel leaks. However, it's crucial to ensure proper part selection, consider the potential installation complexities, and factor in the cost and availability of the part when deciding to make the purchase.

If you notice signs of a faulty check flapper, such as fuel leaks or decreased engine performance, it's strongly recommended to replace it as soon as possible. Do your research to ensure you're purchasing the correct part for your vehicle and consider seeking professional assistance if you're unsure about the installation process. Properly maintaining this part can save you time, money, and potential damage to your vehicle in the long run.

Details:

Gasket Material: Rubber. Gasket Included: Yes. Cap Material: Steel. Cap Color: Zinc.

Cap Raised / Flush. Neck Angle: Straight. Mounting Bolt Hole Quantity: 12. Roll Over Valve: Yes.

Nut Ring Included: Yes. Roll Over Flapper: Yes. Cap Included: Yes. Cap Retention Method: Twist-Lock.

Cap Design: Knurled. Cap Finish: Oxide. Mounting Method: Bolt-On. Roll Over Valve Size: 10 AN.

Hardware Included: Yes. Founded in 1980, Jaz Products manufactures a wide range of plastic and aluminum automotive products, are particularly well known for their fuel cells racing seats.Shape: Round. Filler Neck OD: 2-1/4 in. IMCA Approved: Yes.

Remote / Cell Mount: Mount. Quantity: Kit.

part #: 39125103 prices

• $116.99-$146.39

specifications airfueldepo:

• brand: Jaz
• mpn: 391-251-03
• part type: Valve Check
• upc: 000391251036

offer airfueldepo:

• sold: 0
• started: March 8, 2026
• options: Ship-to-home
• availability: In Stock

shipping airfueldepo:

• cost: $0.00
• transit: 3-5 Days
• class: Standard
• type: Fixed
• service: Standard

general airfueldepo:

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

seller airfueldepo:

• city: Saint Paul, Minnesota
• # reviews: 45554
• rating: 98.4%

returns airfueldepo:

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

payments airfueldepo:

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

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