fits model: Seville. make: Cadillac. year: 1976-79.

( Brand: Acdelco ), ( Manufacturer Part Number: R47SX ), ( Part Type: Spark Plug ), ( Ipn: 5613884 ), ( Country/region Of Manufacture: United States )
The AC Delco R47SX spark plug is an ideal fit for Cadillac Seville models manufactured between 1976 and 1979. These spark plugs are engineered with advanced technology to deliver exceptional performance and reliability, ensuring optimal engine operation.
The R47SX spark plug features a Quad-Plas Iridium XP electrode design. This state-of-the-art technology provides excellent ignitability and combustion performance, allowing your engine to run more efficiently and effectively. The fine, high-strength Iridium tips ensure strong, consistent sparks, even during cold start-up conditions.
Moreover, the R47SX spark plugs have aier-cooled electrodes to prevent thermo-symmetrical growth. This feature ensures uniform electrode wear, helping to maintain performance and prolong the life of the spark plug.
The spark plug's insulator nose is made of Engineered Porcelain, a material that provides superior electrical insulation and high compressive strength. It also has a gapped design that ensures the correct gap between the electrode and the engine's combustion chamber for proper ignition.
Additionally, the R47SX spark plugs come with a platinum center ground electrode. This design helps to minimize electrode wear and contribute to the plug's long service life. The protective plating on the ground electrode also helps in minimizing deposit build-up for optimal performance.
Overall, the AC Delco R47SX spark plug is the perfect replacement choice for Cadillac Seville owners looking for reliable, high-performance spark plugs for their vehicles. With its advanced Quad-Plas Iridium XP technology, precise gapping, and long-lasting design, these spark plugs are sure to keep your engine running at its best.
The AcDelco R47SX spark plugs are a popular choice for Cadillac Seville models from the years 1976 to 1979. Here are some pros and cons to help you make an informed decision on whether to purchase these spark plugs for your vehicle.
Pros:1. High-Quality and Durability: AcDelco is a reputable brand known for producing high-quality automotive parts. The R47SX spark plugs are designed to provide excellent performance and durability, ensuring optimal engine operation.
2. Fuel Efficiency: These spark plugs can help improve your vehicle's fuel efficiency by producing a stronger spark, which can help the engine burn fuel more efficiently.
3. Longer Spark Plug Life: Compared to some other spark plugs, the R47SX are designed to last longer, reducing the frequency of replacements.
4. Compatibility: These spark plugs are specifically designed for use in Cadillac Sevilles from 1976 to 1979, ensuring a perfect fit.
Cons:1. Higher Cost: AcDelco R47SX spark plugs may cost more than some other, less well-known brands, making them a potential expense for some budget-conscious consumers.
2. Not Suitable for Other Vehicle Models: Since these spark plugs are specifically designed for use in the Cadillac Seville, they may not be compatible with other vehicle models, limiting their versatility.
In conclusion, the AcDelco R47SX spark plugs offer high-quality, durability, improved fuel efficiency, and longer plug life for Cadillac Sevilles from 1976 to 1979. However, the higher cost and limited compatibility to other vehicle models may be potential drawbacks for some consumers. Ultimately, if you're looking for a reliable, long-lasting spark plug specifically for your Cadillac Seville, the AcDelco R47SX is an excellent choice.
FACTORY SPARK PLUG FOR 1976-79 CADILLAC SEVILLE 350 V8, BOTH GAS AND DIESEL, R47SX, 1 BOX OF 8 NEW PLUGS DIESEL.