- Car & Truck Ignition Systems Components Products
- sku: 14199971484220731
- GM DELCO REMY 1973428
1973428 GM/DELCO REMY Nos Cylinder Vacuum Advance Chevrolet
fits model: Vega. make: Chevrolet.
| Brand | GM/DELCO REMY |
|---|---|
| Manufacturer Part Number | 1973428 |
| Part Type | VACUUM CYLINDER |
| Manufacturer Warranty | NO WARRANTY |
| Oe/oem Part Number | BUICK OLDSMOBILE 6 CYLINDER, CHEVELLE NOVA CAMARO, G10 G20 G30 VAN C10 K10 BLAZER JIMMY IMPALA BELAIR BEL AIR |
| Vintage Part | YES |
| Country Of Origin | UNITED STATES |
Review GM/DELCO REMY Nos 71-75 73-74 Chevrolet Cylinder Vacuum Advance for CHEVROLET VEGA
GM/Delco REMY 1973428 Vacuum Advance Unit for 1971-1975 Vega and 1973-1974 Chevrolet
Description:The GM/Delco REMY 1973428 is a high-performance vacuum advance unit designed specifically for the engine applications in 1971-1975 Vega and 1973-1974 Chevrolet models. This crucial component plays a significant role in optimizing engine performance and fuel efficiency by controlling the timing of the engine's intake valves.
Construction:This vacuum advance unit is meticulously engineered using premium materials and advanced manufacturing techniques to ensure durability and reliability. It features a robust housing made of high-strength, corrosion-resistant materials. The internal components, including the diaphragm and valves, are precision machined and made of heat-treated steel for maximum strength and longevity.
Functionality:The 1973428 vacuum advance unit is designed to respond to engine vacuum, which in turn affects the intake valve timing. As engine vacuum increases, the diaphragm inside the unit expands, causing the intake valves to open earlier. This results in improved engine performance at low to medium RPMs, as well as smoother idle and better fuel economy.
Installation:Installing the GM/Delco REMY 1973428 vacuum advance unit is a straightforward process. It is designed to fit directly into the existing vacuum advance housing in 1971-1975 Vega and 1973-1974 Chevrolet engines. The unit comes complete with all necessary mounting hardware and gaskets, making the installation process hassle-free for even the most novice DIYers.
Conclusion:Upgrading to the GM/Delco REMY 1973428 vacuum advance unit offers numerous benefits for the 1971-1975 Vega and 1973-1974 Chevrolet engine. These include improved engine performance at low to medium RPMs, smoother idle, better fuel economy, and increased reliability. With its robust construction and precision engineering, this vacuum advance unit is an essential upgrade for any enthusiast looking to get the most out of their classic vehicle.
Pros and Cons of Buying GM/Delco Remy 1973428 Vacuum Advance for '71-'75 Vega and '73-'74 Chevrolet
Introduction:The GM/Delco Remy 1973428 vacuum advance is a crucial component for the ignition system in certain old-model vehicles, including '71-'75 Vega and '73-'74 Chevrolet. This part plays a significant role in optimizing engine performance, particularly during cold starts. Here are some pros and cons to consider before purchasing this vacuum advance.
Pros:1. Improved Starting: A faulty vacuum advance can lead to difficult or prolonged engine starts, especially during cold weather. Replacing the old part with a new GM/Delco Remy 1973428 vacuum advance can significantly improve starting performance.
2. Enhanced Engine Performance: A properly functioning vacuum advance ensures that the engine receives the optimal amount of fuel and ignition advance, leading to better overall engine performance.
3. Reliability: GM/Delco Remy is a reputable brand known for manufacturing high-quality automotive parts. Purchasing a new vacuum advance from this brand can provide peace of mind regarding the part's reliability and longevity.
4. OEM Fitment: The GM/Delco Remy 1973428 vacuum advance is designed to be an exact fit for the specified vehicles, ensuring a seamless installation process.
Cons:1. Cost: Replacing an automotive part, such as a vacuum advance, can be an expense for some vehicle owners. The cost of a new GM/Delco Remy 1973428 vacuum advance may be more than some budgets allow.
2. Availability: Depending on the location and availability from local auto parts stores or dealers, it may take some time to obtain the GM/Delco Remy 1973428 vacuum advance. Ordering online or contacting a local dealer is recommended for quicker acquisition.
3. Installation Complexity: Installing the new vacuum advance may require some mechanical knowledge and tools. If the vehicle owner is not confident in their ability to perform the installation, it may be wise to consult a professional mechanic.
Conclusion:Weighing the pros and cons, the GM/Delco Remy 1973428 vacuum advance is an investment worth considering for vehicle owners of '71-'75 Vega and '73-'74 Chevrolet. The improved starting performance, enhanced engine performance, reliability, and OEM fitment outweigh the potential costs and installation complexities. For those who value optimized engine performance and reliable starting, the GM/Delco Remy 1973428 vacuum advance is a solid choice.
Recommendation:To ensure the best possible experience, consider purchasing the GM/Delco Remy 1973428 vacuum advance from a reputable auto parts supplier with a good return policy. Additionally, if the vehicle owner is not confident in their ability to install the part, it is recommended to consult a professional mechanic to ensure a correct and efficient installation.
Details:
The Gm nos 71-75 Vega, 73-74 Chevrolet 6 cylinder vacuum advance 1973428 is a vintage ignition system component manufactured by Gm/Delco Remy. This vacuum advance is a rare and hard-to-find piece for collectors enthusiasts looking to restore their classic vehicles original condition. It comes with a manufacturer warranty and has part number of 1973428 d1303a.
specifications ignitioncomp:
- for models: Vega
- for makes: Chevrolet
- brand: Gm/delco Remy
- mpn: 1973428
- part type: Vacuum Cylinder
- manufacturer warranty: No Warranty
- oe/oem part number: Buick Oldsmobile 6 Cylinder, Chevelle Nova Camaro, G10 G20 G30 Van C10 K10 Blazer Jimmy Impala Belair Bel Air
- vintage part: Yes
- country of origin: United States
shipping ignitioncomp:
- service: usps ground advantage, ups ground saver, ups ground, usps priority mail
- class: standard, economy, expedited
- carrier: usps, ups
- type: calculated
- transit: 5-12 days
general ignitioncomp:
- category: Auto Parts > Car Truck Accessories > Ignition Systems Components
payments ignitioncomp:
- wallet: paypal
- other
- credit card: visa
returns ignitioncomp:
- policy: no returns
offer ignitioncomp:
- sold #: 9
- started: february 7, 2026
- in stock #: 5
- prices: $34.95–$46.55
- item condition:
- New other (see details)
- New
- Used
- availability: in stock
- options: ship-to-home
seller ignitioncomp:
- city: birmingham, alabama
- rating: 100.0%
- # reviews: 987
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