AUTOLITE VC-2117R Nos Auto Lite Vacuum Advance Unit Cylinder

( Brand: Autolite ), ( Manufacturer Part Number: VC-2117R ), ( Type: Vacuum Advance Unit ), ( Color: Silver ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Performance Part: No )

Review AUTOLITE Nos Auto lite Vacuum Advance Unit Thru Chrysler Cylinder fits 1942–1948

The Autolite VC-2117R is a vintage vacuum advance unit specifically designed for Chrysler engines manufactured between 1942 and 1948. This component is an essential part of the ignition system, responsible for optimizing the timing of the engine's ignition to improve combustion efficiency and overall performance.

The Autolite VC-2117R is constructed with high-quality materials, ensuring durability and reliability. Its robust design includes a sturdy housing that protects the internal components from wear and tear. The unit features a vacuum advance mechanism, which utilizes engine vacuum to advance the timing of the ignition system. This advanced timing improves fuel economy and reduces engine knocking, resulting in smoother engine operation.

The Autolite VC-2117R is engineered to fit Chrysler engines with ease, thanks to its precision-engineered dimensions and mounting points. Its vacuum advance arm is adjustable, allowing users to fine-tune the ignition timing to suit their specific engine requirements. This versatility ensures optimal engine performance in various driving conditions.

This vacuum advance unit comes with a vacuum hose and a mounting bracket, making installation a straightforward process. The vacuum hose connects to the engine intake manifold, while the mounting bracket securely fastens to the engine block or cylinder head. The unit's vacuum advance arm is positioned to optimally interact with the intake manifold vacuum, ensuring accurate and efficient operation.

In summary, the Autolite VC-2117R is a vital component for Chrysler engines produced between 1942 and 1948. Its robust design, adjustable vacuum advance mechanism, and ease of installation make it a popular choice among vintage car enthusiasts and mechanics. By optimizing the ignition timing, this vacuum advance unit enhances engine performance, improves fuel economy, and ensures a smoother driving experience.

The Autolite VC-2117R vacuum advance unit is a critical component for the ignition system in certain Chrysler models from 1942 to 1948. This part helps ensure optimal engine performance by adjusting the timing of the ignition sparks in relation to engine vacuum. Here are some pros and cons of buying an Autolite VC-2117R:

1. OEM (Original Equipment Manufacturer) part: The Autolite VC-2117R is an original equipment manufacturer part, which means it is designed and manufactured by the same company that originally supplied Chrysler with this component. This can provide peace of mind for customers who want a reliable and authentic replacement.

2. Improves engine performance: A faulty or worn-out vacuum advance unit can lead to poor engine performance, such as misfiring, rough idling, and reduced power. Replacing the old unit with a new Autolite VC-2117R can help restore the engine to its original performance levels.

3. Reduces the risk of engine damage: A malfunctioning vacuum advance unit can also cause damage to other engine components, such as the valves, pistons, and cylinder walls. Installing a new Autolite VC-2117R can help prevent these potential issues.

1. Cost: The Autolite VC-2117R is a specialized and hard-to-find part, which can make it more expensive than some aftermarket alternatives. Customers may be able to find cheaper alternatives, but they may not offer the same level of reliability and authenticity as an OEM part.

2. Installation complexity: Installing a vacuum advance unit can be a complex process, especially for those without mechanical experience. Customers may need to remove various engine components to access the vacuum advance unit, which can be time-consuming and require specialized tools.

The Autolite VC-2117R is a reliable and authentic OEM replacement for the vacuum advance unit in certain Chrysler models from 1942 to 1948. This part can help restore engine performance and prevent potential damage caused by a faulty or worn-out vacuum advance unit. However, it may be more expensive than some aftermarket alternatives and require specialized knowledge to install.

If you are a Chrysler owner with a vintage vehicle from the 1940s and are experiencing engine performance issues related to the vacuum advance unit, consider purchasing an Autolite VC-2117R as a replacement. While it may be more expensive than some alternatives, the peace of mind and authenticity that come with an OEM part can be worth the investment. If you are not comfortable with the installation process, consider hiring a professional mechanic to do the job for you.

Details:

I try my best to give an unbiased and honest opinion of the item being listed. As always I try to give as many pictures for determining the condition of item being listed. Shipping: Most of the items I sell are calculated shipping with USPS priority mail. You are buying on the item listed in title.

Sometimes my may be brief, but I put most of time and effort in providing numerous high quality images the item being listed. Shipping and packing material is not factored into shipping comes out of my pocket. I strive for fast shipping.

Condition: New Special Notes: None, Please refer to the pictures for any further details on item as well condition and I will gladly answer questions.

part #: vc2117r prices

• $85.00-$95.00

specifications disripa:

• for makes: Chrysler
• for years: 1942-1948
• brand: Autolite
• mpn: Vc-2117r
• type: Vacuum Advance Unit
• color: Silver
• vintage part: Yes
• country of origin: United States
• performance part: No

seller disripa:

• city: Springfield, Ohio
• # reviews: 12920
• rating: 99.9%

returns disripa:

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

offer disripa:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• best offers: True
• started: February 14, 2026
• quantity: 1

payments disripa:

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

general disripa:

• Car Truck Parts Accessories > Ignition Systems Components > Distributors
• condition: New

shipping disripa:

• carrier: USPS
• transit: 5-10 Days
• cost: $0.00
• class: Standard
• service: USPS Ground Advantage
• type: Fixed

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