1. Įvadas
This instruction manual provides essential information for the proper handling, installation, and maintenance of your DENSO Iridium Platinum Spark Plug, model SK20PR-A8. Please read this manual thoroughly before installation to ensure optimal performance and safety.
2. Produktas baigtasview
The DENSO SK20PR-A8 is a high-performance Iridium Platinum spark plug designed for superior ignition and engine efficiency. Featuring a fine-wire iridium center electrode and a platinum ground electrode, this spark plug offers enhanced durability and consistent spark delivery. This product is manufactured in Japan.

Iš arti view of the DENSO Iridium Platinum Spark Plug, model SK20PR-A8. The spark plug features a white ceramic insulator with 'DENSO SK20PR' printed on it, a metal hex body, and a fine-wire iridium center electrode with a platinum ground electrode.
3. Saugos informacija
Always prioritize safety when working on your vehicle's engine. Failure to follow safety precautions can result in injury or damage to the vehicle.
- Prieš bandydami nuimti arba sumontuoti uždegimo žvakes, įsitikinkite, kad variklis atvėsęs.
- Disconnect the vehicle's battery to prevent accidental engine cranking or electrical shock.
- Dėvėkite tinkamas asmenines apsaugos priemones, įskaitant apsauginius akinius ir pirštines.
- Visus įrankius ir dalis laikykite atokiai nuo judančių variklio komponentų.
- Refer to your vehicle's service manual for specific safety warnings and procedures.
4. Montavimas
Proper installation is crucial for the performance and longevity of your spark plugs. Consult your vehicle's service manual for detailed, vehicle-specific instructions.
- Paruošimas: Allow the engine to cool completely. Gather necessary tools, including a spark plug socket, ratchet, torque wrench, and dielectric grease.
- Prieiga: Locate the spark plugs. This may require removing engine covers or other components.
- Senų kištukų pašalinimas: Carefully disconnect the spark plug wire or coil pack from the old spark plug. Use a spark plug socket to loosen and remove the old plug. Inspect the old plug for signs of wear or engine issues.
- Patikrinkite naujus kištukus: DENSO Iridium Platinum spark plugs are typically pre-gapped from the factory. Avoid adjusting the gap unless specifically instructed by your vehicle's service manual, as improper adjustment can damage the fine-wire electrode.
- Įdiekite naujus kištukus: Apply a small amount of anti-seize compound to the spark plug threads (if recommended by your vehicle manufacturer). Hand-thread the new spark plug into the cylinder head to avoid cross-threading.
- Sukimo momentas: Use a torque wrench to tighten the spark plug to the specifications provided in your vehicle's service manual. Over-tightening can damage the spark plug or cylinder head; under-tightening can lead to poor heat transfer and plug failure.
- Prisijunkite iš naujo: Apply a small amount of dielectric grease to the inside of the spark plug boot or coil pack connector. Reconnect the spark plug wire or coil pack, ensuring a secure connection.
- Pakartokite: Follow these steps for all remaining spark plugs.
5. Operacija
Spark plugs are critical components of an internal combustion engine's ignition system. They ignite the air-fuel mixture in the engine's cylinders, creating the combustion necessary to power the vehicle. The DENSO Iridium Platinum spark plug is designed to provide a consistent and powerful spark, contributing to efficient fuel combustion and engine performance.
6. Priežiūra
Spark plugs are wear items and require periodic inspection and replacement. Refer to your vehicle's service manual for the recommended spark plug inspection and replacement intervals. Factors such as driving conditions and engine type can influence the lifespan of spark plugs.
- Reguliarus patikrinimas: During routine maintenance, inspect spark plugs for signs of wear, fouling, or damage.
- Pakeitimas: Replace spark plugs according to the manufacturer's recommended schedule or if signs of wear are observed.
7. Problemų sprendimas
If your vehicle exhibits symptoms of ignition problems, faulty spark plugs may be a contributing factor. Common symptoms include:
- Variklio uždegimo sutrikimai: A rough idle or hesitation during acceleration.
- Sumažintos degalų sąnaudos: Neefektyvus degimas gali padidinti degalų sąnaudas.
- Sunkus startas: Difficulty starting the engine, especially in cold weather.
- Galios praradimas: Noticeable decrease in engine performance.
- Variklio patikros lemputė: The vehicle's onboard diagnostic system may illuminate the check engine light.
If you experience these symptoms, it is recommended to have your vehicle inspected by a qualified mechanic.
8. Specifikacijos
| Atributas | Detalė |
|---|---|
| Prekės ženklas | DENSO |
| Modelio numeris | SK20PR-A8 |
| Dalies numeris | 3403 |
| Uždegimo žvakės tipas | Iridium Platinum |
| Kilmės šalis | Japonija |
| ASIN | B00F5DUES0 |
| Pasiekiama pirmoji data | 22 m. rugpjūčio 2014 d |
9. Garantija ir palaikymas
Specific warranty information for the DENSO Iridium Platinum Spark Plug SK20PR-A8 is not provided within this manual. For details regarding product warranty, technical support, or customer service, please refer to the official DENSO website or contact your authorized DENSO retailer.





