Hunan Dekong Power Technology Co., Ltd.
Dekong R5B12-77C Double Iridium Industrial Gas Spark Plug Replacement for Denso GI3-5
Parameter
Detail Specification
| Type | R5B12-77C |
| Thread | M18x1.5 |
| Reach | 20.6mm |
| Hex | 22.2mm |
| Seat Type | Flat |
| Gap | 0.3mm |
| Heat Range | 77 |
| Electrode Type | Double Iridium |
| Resistor or Non-Resistor | Built-in Resistor |
| Replacement | DENSO: GI3-5 / GI3-1 / GI3-3 CATERPILLAR: 243-4291 WAUKESHA: 69919D CUMMINS: 2866879 / 4924504 / 5373898 |
Product Highlights
Double Iridium electrodes, 3–5x longer lifespan.
Heat Range 77 fit natural gas & biogas generators.
M18×1.5 flat seat, direct OEM replacement.
0.3mm spark gap raise combustion efficiency & save fuel.
Industrial ceramic insulator for 24-hour continuous operation.
Application
| Brand | Alternative Models |
CUMMINS | Q19G, QSV |
GUASCOR | FG180, FGLD180, FG240, FGLD240, FGLD360, FGLD480 |
| JENBACHER | 208 612 12-Cyl. After 9/95 / J616 16-Cyl. After 9/95 |
| PERKINS | 4000 Series / SUPERIOR 1706G2 / 1712G1 |
| WARTSILA | W25SG, W28SG, W34SG |
| WAUKESHA | 9390GL(13/16 Rch Hds), 5115GL, 5108GL(13/16 Rch Hds), 5790GL(13/16 Rch Hds), 7042GL(13/16 Rch Hds), 2895GL(13/16 Rch Hds), 3521GL(13/16 Rch Hds), 12V-AT25GL/AT27GL(13/16 Rch Hds), 8L-AT25GL/AT27GL(13/16 Rch Hds), P48GL/GLD, L36GL/GLD, H24G, H24GL/GLD, F18G, F18GL/GLD |
Product Advantages
Global Supply & Export
Products are exported worldwide and supplied to international brands such as ACDelco, meeting international quality standards.
Wide Application Range
Suitable for passenger vehicles, commercial vehicles, general machinery, garden machinery and other fields.
Strong OE Supporting Capability
Provides original supporting products for Peugeot, Hyundai, KIA, Valeo, Bosch and other international brands.
Stable and Reliable Quality
Achieved 0-ppm supply for many products, winning quality awards from Changan Ford, Fuji Heavy Industries and others.
High Manufacturing Precision
Adopts precision processes such as cold extrusion, laser welding and isostatic pressing, ensuring high product consistency.
Rich Product Specifications
601 varieties of ignition coils alone, covering various vehicle types and engine requirements.
Excellent Ceramic Performance
Self-developed T95 high-performance ceramic, with outstanding quality of insulators and mechanical seals.
Benchmark Ignition System
The No.1 brand in China for ignition coils and cables for gas engines with outstanding supporting advantages.
Advanced Spark Plug Technology
Capable of producing high-performance precious metal spark plugs including single iridium, double iridium, single platinum and double platinum types.
Corporate Advantages
Top-tier Testing Capability
Has a 500 square meters national-level test center accredited by CNAS and certified by SGM GP-10, which is a first-class spark plug test center in China.
Based on global market layout
Providing high-quality industrial spark plugs and professional supporting services to over 1000 customers in dozens of countries and regions worldwide
High temperature resistance, low loss and stability
The spark plug adopts high-performance industrial ceramics, iridium electrodes, advanced laser welding technology, and a dual parallel electrode structure design.
A Well-Developed Product System
Spark plugs, high-voltage cables, and ignition coils covering aerospace, generator sets, automobiles, and motorcycles.
FAQ
Q
How to store spare spark plugs?
+
A
Store them in a clean, dry environment, in their original packaging, until needed.
Q
What factors affect spark plug lifespan?
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A
Fuel quality, combustion conditions, ignition system performance, and maintenance schedule all affect spark plug lifespan.
Q
How long is the lifespan of industrial spark plugs?
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A
Lifespan depends on fuel quality, operating conditions, maintenance, and engine settings.
Q
How to choose the right spark plug?
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A
Spark plug selection depends on thread size, thread length, seat type, heat range, electrode design, and engine operating conditions.
Q
What fuels are suitable for industrial spark plugs?
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A
They can be used in engines that use natural gas, biogas, landfill gas, coal methane, syngas, and other gaseous fuels.
Q
Which industries use industrial spark plugs?
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A
Industrial spark plugs are commonly used in:
Power generation: Gas generators, oil and gas power systems, mining engines, LNG vehicles (gas internal combustion engine spark plugs)
Industrial combustion: Boilers, kilns, incinerators, exhaust gas treatment systems, oilfield flares (high-energy ignition spark plugs)
Environmental aftertreatment: Exhaust gas regeneration ignition, parking heaters (high-temperature ceramic ignition glow plugs)
Q
What are the features of Dekong ignition coils?
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A
There are four outstanding features of Dekong igntion coils:
High-precision ignition components Customer-specific developments and system integration Rational computer-controlled manufacturing techniques High-tech quality based on zero-defect programmes
Q
What temperature can Dekong ignition coils bear?
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A
Temperature-resistant: up to 150 °C, brief periods up to 165°C
Q
What voltage can Dekong igntion coils undertake?
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A
TORCH igntion coils can undertake voltage greater than 30 KV
Q
What kind of production line does Dekong have for ignition coils?
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A
Dekong manufacturing facilities are of modular design suitable for group working and offer maximum flexibility. They can be expanded, scaled down, combined and converted in a short space of time, thus permitting economical and top- quality production of up to 5,000 items a day alternating between large and small series and the various types of ignition coil.
We are here for you!
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Contact Us
Address: National Hi-tech Industry Development Zone,Changsha,Hunan Province,China
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