TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS)

Description

TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS) – Specialized Long-Reach Ignition Core for Toyota D-4 Engines

For executive sedan owners and vehicle enthusiasts who refuse to compromise on engine safety, accurate ignition timing, and clean fuel economy, the TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS) provides professional-grade ignition mechanics. Manufactured by Denso as a specialized factory benchmark for Toyota, this premium series features a deep long-reach thread combined with a unique multi-ground electrode structure engineered specifically to manage highly concentrated fuel spray patterns within direct-injection environments. It is structurally optimized to manage extended replacement cycles while completely eliminating ignition misfire paths, maintaining total internal structural protection across extreme urban or highway driving conditions.

Key Features of TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS):

• 3-Ground Multi-Electrode Configuration: Features three precision earthed ground prongs surrounding a premium long-life center tip to maximize spark kernel expansion and eliminate early carbon fouling in direct-injection setups.
• Deep Long-Reach Design: Engineered with a specialized 26.5mm thread reach to position the spark gap perfectly within high-compression D-4 direct-injection cylinder heads for optimal heat dissipation.
• Extended Service Capacity: Laboratory tested to provide continuous, dependable ignition protection for up to 100,000 km of reliable operational cycles under heavy driving strain.
• Anti-Seize Plating: Finished with machine-rolled threads and a specialized zinc-nickel outer shell coating that blocks rust, prevents thread seizure, and secures easy removal cycles.

Why Choose TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS)?

The dense traffic gridlocks and dusty driving climate across Bangladesh put serious thermal stress on your engine’s combustion chamber, especially in JDM direct-injection engines where high-pressure fuel can wrap standard plugs in carbon build-up quickly. Standard basic plugs will foul early or cause sluggish acceleration thresholds. The TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS) available at Oil House Bangladesh acts as premium insurance for your engine, keeping your internal combustion cool, silent, and flawlessly responsive.

Technical Specifications:

• Product Name: TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS)
• Part Number: SK20BGR11 (Denso Stock No. 3472)
• OEM Part Number: 90919-01243
• Thread Diameter: 14mm
• Thread Reach: 26.5mm (Long Reach)
• Hex Size: 16mm (5/8 inch)
• Pre-Set Gap: 1.1mm
• Ground Configuration: 3-Earthed Electrodes (Multi-Ground Type)
• Package Quantity: 4 Pieces (Matched Set)

Application Instructions

1. Shut off the vehicle engine on level ground and let it cool down entirely.
2. Carefully detach the engine plastic top cover and disconnect the ignition coil wiring harness clips.
3. Extract the holding bolt and pull the individual ignition coils straight out from the spark plug tubes.
4. Blow out any trapped dust or debris from inside the plug wells using compressed air before removing old units.
5. Loosen and extract the old spark plugs counter-clockwise using a proper magnetic 16mm spark plug socket.
6. Hand-thread the new TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS) plug clockwise to prevent cross-threading, then torque to exactly 15–22 Nm (do not over-tighten).
7. Reinstall the ignition coils, torque the mounting bolts, reconnect the harness clips, start the vehicle, and check for a smooth idle line.

Vehicle Applications:

Alternative Interchanges (Cross Reference):

This premium high-performance ignition component replaces and maps with the following target specifications:

• Toyota Factory OEM: 90919-01243 / 90919-01243-79
• Denso Series: SK20BGR11 (Factory 3-Ground Long Life Edition)
• NGK Series: HB6BIBA-11 / Stock No. 5754 (Laser Iridium Multi-Ground Format)
• HKS Super Fire Racing: 50003-M35iL (M-Series Long Reach Performance ISO Type)

Note: Fitment depends entirely on your engine spec. This list covers the most common market models, but it also fits various other Toyota/Lexus advanced direct-injection blocks requiring this exact 26.5mm long thread reach. Please check your manual or share your chassis code with us to confirm fitment before ordering.

Maintenance Tip from Oil House Bangladesh:

First-generation direct-injection layouts (Toyota D-4 systems jemon 1AZ-FSE platforms) operate with fine high-pressure spray injectors positioned right next to the spark plug tip, creating a higher risk of wet-fouling and fast carbon aggregation during high idling. The extreme urban congestion, high airborne contamination, and fuel density fluctuations found across Bangladesh drastically accelerate these deposit coatings. To safeguard your expensive direct-fuel injectors and preserve clean throttle dynamics, we strongly recommend replacing your TOYOTA GENUINE SK20BGR11 SPARK PLUG (4PCS) every 80,000 km to 100,000 km using top-grade premium octa-fuels. Always verify your valve cover spark plug tube gaskets are completely dry before installation to prevent any oil tracking issues.