MOPAR 4397805 Carburetor Pump Plunger Cup Spring

( Part Type: Spring Carburetor Pump ), ( Manufacturer Part Number: 4397805 )

Review MOPAR Carburetor Pump Plunger Cup And Spring

The Mopar 4397805 carburetor pump plunger cup spring is an essential component in the fuel delivery system of certain Chrysler, Dodge, and Plymouth vehicles. This spring plays a crucial role in the proper functioning of the carburetor pump, which is responsible for supplying fuel to the engine.

The spring is designed with a durable, heat-treated material to ensure strength and reliability. It measures approximately 1.6 inches in length and 0.4 inches in width, with a rounded shape that fits snugly into the plunger cup of the carburetor pump. The spring's outer diameter is slightly larger than the interior diameter of the plunger cup, allowing it to compress and expand as the pump operates.

The spring's primary function is to provide the necessary force to move the plunger up and down within the pump housing. This motion creates a vacuum that draws fuel from the float bowls and delivers it to the engine through the carburetor. The spring's compressive and restorative properties enable it to maintain this function efficiently, even under heavy engine load or during prolonged periods of operation.

If the Mopar 4397805 carburetor pump plunger cup spring becomes worn, damaged, or fails, it can cause a variety of issues in the fuel delivery system. Symptoms may include rough idling, stalling, or difficulty starting the engine. Replacing the faulty spring with a new one can help restore the carburetor pump's performance and ensure optimal engine operation.

Installing the new Mopar 4397805 carburetor pump plunger cup spring is a relatively straightforward process. It involves removing the old spring from the plunger cup, cleaning any debris or residue from the component, and carefully compressing the new spring into place. Proper installation ensures a secure fit and reliable performance from the carburetor pump.

In summary, the Mopar 4397805 carburetor pump plunger cup spring is a critical component in the fuel delivery system of select Chrysler, Dodge, and Plymouth vehicles. Its durable design and essential function make it an invaluable part of the engine's operation. When this spring fails or becomes worn, replacing it with a new one can help restore performance and ensure your vehicle runs smoothly.

Mopar 4397805 Carburetor Pump Plunger Cup Spring: A Detailed Analysis

The Mopar 4397805 carburetor pump plunger cup spring is a crucial component in the functioning of a carburetor. This part helps in creating a vacuum for the carburetor to draw fuel for the engine. In this analysis, we will discuss the potential pros and cons of purchasing this product.

1. OEM Component: The Mopar 4397805 carburetor pump plunger cup spring is an original equipment manufacturer (OEM) part. This means that it is specifically designed and engineered for your vehicle by the same company that originally manufactured it.

2. Improved Performance: A worn-out or damaged plunger cup spring can affect the carburetor's performance. Replacing it with a new one can help improve the fuel delivery system and overall engine performance.

3. Reliability: Mopar is a reputable brand in the automotive industry, and their parts are known for their durability and reliability. By purchasing the 4397805 carburetor pump plunger cup spring from Mopar, you can be assured of its quality and performance.

1. Cost: Original equipment manufacturer parts can be more expensive than aftermarket alternatives. The Mopar 4397805 carburetor pump plunger cup spring is no exception.

2. Availability: Depending on your location, it may be more challenging to find a local dealer or parts store that stocks this specific part. You may need to order it online, which could result in additional shipping costs and wait times.

The Mopar 4397805 carburetor pump plunger cup spring is an essential component for maintaining the proper functioning of your vehicle's carburetor. While it may be more expensive than aftermarket alternatives, the benefits of using an OEM part include improved performance, reliability, and a guaranteed fit. If you value these advantages and can afford the cost, purchasing this part from Mopar is a recommended choice. However, if budget is a concern, you may consider exploring aftermarket alternatives while ensuring they are compatible with your specific vehicle model and carburetor type.

part # 4397805 prices

• $19.35-$19.99

specifications carbcaddie:

• for makes: Mopar
• part type: Spring Carburetor Pump
• manufacturer part number: 4397805

returns carbcaddie:

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

shipping carbcaddie:

• transit: 3-8 Days
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• cost: $0.00
• carrier: USPS

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New other see details

payments carbcaddie:

• credit card: Diners-club
• wallet: Google-pay
• other

offer carbcaddie:

• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• sold: 0
• started: December 8, 2025

seller carbcaddie:

• # reviews: 5142
• rating: 99.9%

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