STANDARD MOTOR PRODUCTS 29473BKNN Distributor Vacuum Advance Smp

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 29473BKNN ), ( Part Type: Vacuum Distributor Motor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Distributor Vacuum Advance ), ( Years: 1970 1971 1972 1973 1974 ), ( Application: Chevrolet Blazer Distributor Vacuum Advance ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Chevrolet Distributor Vacuum Advance Smp fits BLAZER 1970–1974

SMP Distributor Vacuum Advance for 1971 Chevrolet Blazer (Part Number: 29473BKNN, Motor Type: Standard)

This SMP Distributor Vacuum Advance is a crucial component for the ignition system of your 1970-1974 Chevrolet Blazer. Designed specifically for standard motors, this part carries the part number 29473BKNN. For the 1971 model year, this component plays a vital role in enhancing the performance of your vehicle's engine.

The SMP Distributor Vacuum Advance is an electromechanical device that utilizes engine vacuum to help control the timing of the spark discharge in your ignition system. This results in improved engine performance and fuel efficiency. The vacuum advance system works by advancing the ignition timing slightly under light engine load conditions, which helps the engine to start more easily and run more smoothly.

This particular vacuum advance unit is manufactured to meet or exceed OEM specifications, ensuring a reliable and long-lasting solution for your vehicle. It is precision engineered from high-quality materials, including durable metals and insulators, to deliver consistent performance and maintain optimal engine health.

The SMP Distributor Vacuum Advance is designed to be a direct replacement for the original equipment part, making installation easy and straightforward. It fits perfectly into your existing distributor housing and can be installed without the need for any modifications.

When you replace the vacuum advance unit in your 1971 Chevrolet Blazer with this SMP part, you can expect improved engine performance, smoother idle, and easier starting. This is an essential upgrade for any vehicle enthusiast looking to restore or maintain their classic Chevrolet Blazer.

* Designed for standard motors (Part Number: 29473BKNN)

* Fits 1971 Chevrolet Blazer models

* Direct replacement for OEM part

* Enhances engine performance and fuel efficiency

* Improves starting and idle smoothness

* Precision engineered from high-quality materials

* Durable and long-lasting solution.

By upgrading your vehicle's distributor vacuum advance with this SMP part, you'll not only enhance the overall performance of your engine but also contribute to a more enjoyable driving experience. Trust us to provide you with a top-quality solution for your classic Chevrolet Blazer.

Buying a Standard Motor 29473BKNN Distributor Vacuum Advance SMP for a 1971 Chevrolet Blazer: Pros, Cons, and Conclusion

The Standard Motor Products 29473BKNN Distributor Vacuum Advance SMP is a crucial component in the ignition system of a 1970-1974 Chevrolet Blazer. This part aids in improving engine performance and fuel efficiency by ensuring proper vacuum advance. Here's a discussion on the advantages and disadvantages of purchasing this distributor vacuum advance:

1. Improved Engine Performance: A faulty distributor vacuum advance can lead to misfiring, poor fuel economy, and decreased engine performance. Replacing this part with a new one, like the 29473BKNN, can help restore the engine's performance to its original state.

2. Enhanced Fuel Efficiency: A worn-out distributor vacuum advance can cause excessive fuel consumption due to inefficient combustion. Installing a new distributor vacuum advance can help improve fuel economy by ensuring the engine operates more efficiently.

3. OEM Quality: The Standard Motor Products 29473BKNN Distributor Vacuum Advance is an Original Equipment Manufacturer (OEM) replacement part, meaning it is designed to meet the same specifications and quality standards as the original part.

4. Easy Installation: The distributor vacuum advance is typically an easy-to-install part. Most mechanics and DIY enthusiasts can complete the installation process within an hour or two.

1. Cost: The cost of the Standard Motor Products 29473BKNN Distributor Vacuum Advance may be higher than some aftermarket alternatives. However, the OEM quality and reliability may justify the additional cost for some consumers.

2. Availability: Depending on the location and availability, it may take some time to source this part from an auto parts store or online retailer.

The Standard Motor Products 29473BKNN Distributor Vacuum Advance is an essential component for the ignition system of a 1970-1974 Chevrolet Blazer. While it may come with a higher cost compared to aftermarket alternatives, the OEM quality and improved engine performance and fuel efficiency make it a worthwhile investment for many vehicle owners. If you encounter issues with your distributor vacuum advance, consider replacing it with a new OEM part like the 29473BKNN to restore your Chevrolet Blazer's engine performance and fuel efficiency.

Details:

Precision calibration to ensure correct ignition advance. 1111439, 479, 481, Vehicle: Engine: 1970 Chevrolet Blazer5.0L V8, Blazer5.7L V8. Notes: Distributor Vacuum Advance. Units tested at 30HG maximum vacuum to ensure units do not leak.

12 Month Warranty Fitment Notes: OE No. 1111150, 169, 249, Vehicle: Engine: 1970 Chevrolet Blazer5.0L V8, Blazer5.7L V8. Fitment Notes: Distributor No.

part #: 29473bknn price

• $30.54

specifications disripa:

• for models: Blazer
• for makes: Chevrolet
• for years: 1970-1974
• brand: Standard Motor Products
• mpn: 29473bknn
• part type: Vacuum Distributor Motor
• manufacturer warranty: 12 Month Warranty
• notes: Distributor Vacuum Advance
• years: 1970 1971 1972 1973 1974
• application: Chevrolet Blazer Distributor Vacuum Advance
• cs-sku: 400

offer disripa:

• sold: 0
• options: Ship-to-home
• started: April 19, 2026
• quantity: 1
• availability: In Stock

returns disripa:

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

shipping disripa:

• type: Fixed
• cost: $0.00
• carrier: FedEx
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• transit: 4-7 Days

general disripa:

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

seller disripa:

• # reviews: 329096
• rating: 98.8%
• city: Fort Smith, Arkansas

payments disripa:

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

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