NGK Spark Plug BP5ES Part No. 6511 (1 Pcs)

Description

NGK 6511 BP5ES Standard Spark Plug – Premium OEM Replacement

Restore the reliable start-up, smooth idling, and original performance of your classic engine with the NGK BP5ES (Stock #6511) Standard Spark Plug. Widely used across Sri Lanka, this highly dependable plug is a staple for older vintage cars, classic commuter vehicles, and a vast array of small-displacement engines and agricultural power equipment.

Classic Dependability & Superior Heat Dissipation

The NGK BP5ES features a traditional standard nickel-alloy center electrode paired with a solid copper core. This design provides exceptional thermal conductivity, pulling heat away from the combustion chamber to prevent hot spots and engine-damaging pre-ignition.

Featuring a Projected Insulator Tip (denoted by the “P”), it pushes the spark further into the combustion chamber to support cleaner, more complete fuel burning and ultra-reliable cold starts. Additionally, this is a non-resistor plug designed to provide maximum ignition spark energy, making it ideal for older ignition systems that do not require radio-frequency interference suppression.

Key Technical Specifications

• Thread Diameter: 14 mm (M14 x 1.25 pitch)

• Thread Reach (Length): 19.0 mm (3/4″)

• Hex / Spanner Size: 21.0 mm (13/16″)

• Seat Type: Flat with sealing gasket

• Electrode Material: Standard Nickel Tip with Copper Core

• Pre-set Factory Gap: 0.8 mm – 0.9 mm

• Heat Range: 5 (NGK Medium-Hot, highly resistant to carbon fouling during short trips and slow speeds)

• Resistor: No (Non-Resistor Type)

🚗 Sri Lankan Vehicle & Equipment Compatibility List

Due to its wider 21mm hex size and non-resistor design, the BP5ES is a major fitment for classic machinery and vintage vehicles on Sri Lankan roads:

Classic Toyota & Nissan (1970s – early 1990s models)

• Toyota Corolla: KE70, KE72, and KE74 station wagons (featuring the legendary 4K and 5K petrol pushrod engines).

• Toyota LiteAce / TownAce: Classic KM36 and KM51 vans (featuring 5K engines).

• Nissan Sunny: B11 and B12 series (older carbureted models using E13 and E15 engines).

• Nissan Urvan / Caravan: Classic petrol passenger vans.

Classic European & British Cars

• Mini & Moke: Standard 850cc, 1000cc, and 1275cc engines (extremely popular “hot plug” recommendation for classic Minis in Sri Lanka).

• Peugeot: Classic 504 and 505 petrol models.

• Volkswagen: Classic Beetle 1300, 1500, and 1600 (air-cooled engines).

Agricultural, Small Engines & Generators

• Honda Engines: Standard fitment for older GX160, GX200, and GX270 utility engines (widely used in Sri Lankan construction, water pumps, and domestic generators).

• Kerosene Water Pumps: Highly popular choice for agricultural water pump engines used in farming regions.

Cross-Reference Equivalents

(For customers replacing other brands with this genuine NGK plug):

• Denso: W16EX-U / W14EP-U

• Bosch: W8DC / W8DP

• Champion: N11YC / OE010

• Autolite: 64