1997418 PONTIAC Vac Advance Valve Timing Delay Solenoid 455

Review PONTIAC 1997 418 Gm Vac Advance Valve Timing Delay Solenoid Used for GM 455 400 1973

GM 1973 Pontiac Vacuum Advance Valve Timing Delay Solenoid (P/N 1997418) for 455 and 400 Engines

The GM 1997418 Vacuum Advance Valve Timing Delay Solenoid is a critical component of the ignition system for select 1973 Pontiac engines, specifically those equipped with 455 and 400 cubic inch engines. This solenoid is designed to optimize the ignition timing, ensuring efficient combustion and optimal engine performance.

The vacuum advance valve is a crucial element in the ignition system that adjusts the ignition timing based on engine vacuum. As engine vacuum increases, the vacuum advance valve opens, retarding the ignition timing to improve engine performance at low engine speeds. Conversely, when engine vacuum decreases, the valve closes, advancing the ignition timing for better performance at higher engine speeds.

The 1997418 Vacuum Advance Valve Timing Delay Solenoid is engineered to work in harmony with the vacuum advance valve, controlling the opening and closing of the valve in response to engine vacuum. This solenoid allows for precise and responsive vacuum advance control, ensuring consistent ignition timing and improved engine performance.

The solenoid features a robust design, with a durable cast aluminum housing and a high-quality, heat-resistant diaphragm. The solenoid's vacuum inlet and outlet ports are located on the top of the housing for easy access during installation.

When it comes to maintaining or upgrading your Pontiac's ignition system, the 1997418 Vacuum Advance Valve Timing Delay Solenoid is an essential component. This factory-original GM part guarantees a perfect fit and reliable operation, ensuring your 1973 Pontiac with a 455 or 400 engine continues to perform at its best.

For those who desire better engine performance, this solenoid can also be used in conjunction with a vacuum advance kit or high-performance ignition components. Upgrading your vacuum advance system can provide improved throttle response, increased power, and smoother engine operation.

In summary, the GM 1997418 Vacuum Advance Valve Timing Delay Solenoid is an essential component of the ignition system for select 1973 Pontiac engines. Its robust design, precise vacuum advance control, and compatibility with performance upgrades make it an indispensable part for any enthusiast looking to optimize the performance of their classic Pontiac with a 455 or 400 cubic inch engine.

Buying a 1997-1973 GM Vac Advance Valve Timing Delay Solenoid (Pontiac 455 400) - A Detailed Analysis

The 1997-1973 GM Vac Advance Valve Timing Delay Solenoid (Pontiac 455 400) is a crucial component for maintaining proper engine timing in specific GM vehicles. This analysis aims to provide an unbiased assessment of the potential benefits and drawbacks of purchasing this part.

1. Enhanced Engine Performance: A faulty vac advance valve timing delay solenoid can lead to poor engine performance, including rough idling, misfires, and stalling. Replacing this part with a functional one can help restore normal engine function and improve overall performance.

2. Cost-Effective: In many cases, replacing this solenoid is a more cost-effective solution compared to other engine repairs. It is a relatively simple part to diagnose and replace, and the cost of the part itself is typically quite reasonable.

3. Long-Term Reliability: By addressing the issue with the vac advance valve timing delay solenoid, you can help ensure the long-term reliability of your engine. A properly functioning solenoid contributes to a smoother and more efficient driving experience.

1. Potential for Additional Repairs: A faulty solenoid may be a symptom of a larger issue within the engine or electrical system. Replacing the solenoid does not guarantee that other related components are functioning correctly.

2. Diagnostic Complexity: Though the process of diagnosing a faulty solenoid is generally straightforward, it can still be time-consuming and may require specialized tools or knowledge.

3. Availability: While this part is commonly available at auto parts stores and online retailers, it may be more difficult to find for specific GM vehicle applications or older models.

The decision to purchase a 1997-1973 GM Vac Advance Valve Timing Delay Solenoid (Pontiac 455 400) depends on various factors, such as the specific condition of your vehicle, your budget, and the availability of the part. If your engine is performing poorly and you suspect a faulty solenoid, it may be worth considering this replacement as a cost-effective solution to restore engine performance. However, be aware that additional repairs may be necessary, and the diagnostic process can be complex.

If you are confident in your ability to diagnose the issue and perform the repair, purchasing a new 1997-1973 GM Vac Advance Valve Timing Delay Solenoid (Pontiac 455 400) could be a wise investment. Alternatively, consider consulting a professional mechanic for an expert opinion and execution of the repair.

Details:

Used emissions control valve removed from a 1973 grand am fits vehicles noted below, 1997 418 2.408 all 350 valve time delay, dist. Control y4, H 1 1973 2-38, 1997 418 2.408 all 455 valve time delay, dist. Control Yb, Tc 1 1973 2-38, 1997 418 2.410 all v/8 excl. Control yr, TV 1 1973 2-38, 1997 418 2.408 all 400 valve time delay, dist.

Calif control, valve time delay dist.

specifications ignitioncomp:

• for models: 455, 400
• for makes: Gm
• for years: 1973
• brand: Pontiac
• mpn: 1997418
• part type: Valve Timing Solenoid

returns ignitioncomp:

• time: 30 days
• paid by: seller
• policy: returns accepted

seller ignitioncomp:

• rating: 100.0%
• city: victor, new york
• # reviews: 1450

offer ignitioncomp:

• availability: in stock
• started: december 28, 2025
• price: $100.00
• item condition: Used
• options: ship-to-home
• best offers: true
• sold #: 11
• in stock #: 1

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• transit: 5-11 days
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• type: fixed
• class: economy

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• category: Auto Parts > Car Truck Accessories > Ignition Systems Components

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