Product Overview

The TAKUMI S-R6A12 spark plug is a precision-engineered ignition component developed for Natural Gas Spark Plug 12453572 For CHP Gas Engine TCG 2020 And erpill. It is manufactured as a form, fit and function equivalent of the original part, with a M18x1.5 thread, so it installs without modification and requires no changes to engine parameters. Every unit is produced in an ISO 9001 and IATF 16949 certified factory and 100% tested before shipment.

This plug is designed for dependable performance in demanding service. Its construction combines carefully selected electrode materials, a gas-tight seal and a high-grade ceramic insulator to deliver stable ignition under high pressure, variable fuel quality and continuous load changes. The result is reliable starting, clean combustion and a longer service life than conventional plugs, which directly reduces maintenance frequency and operating cost.

This spark plug is the result of decades of ignition engineering: the electrode geometry, heat management and sealing design have been optimized for the specific operating conditions of its target engines, so it performs like the genuine component at a fraction of the cost. Plant engineers and workshop technicians who have switched to TAKUMI consistently report stable ignition, fewer fouling problems and longer intervals between services.

TAKUMI S-R6A12 plugs are stocked for fast dispatch and supported by our export team, so replacement parts reach you when you need them. Every order is handled with the same care as OE supply: correct part identification, proper packaging and complete shipping documentation.

Key Specifications

• Model: S-R6A12
• Thread: M18x1.5
• Electrode: Prechamber
• Cable Length: 540mm

OEM / Cross Reference Part Numbers

• 1245-2835
• 1245-2828
• 1245-2176
• 1245-3318
• 1245-3572
• 1245-3388
• 1245-3556
• 1245-3700
• 1237-2401
• 2017-2026
• 4768953

Applications

• Industrial gas engines
• Cogeneration and biogas plants

Ignition Technology

The firing characteristics of a spark plug are determined by electrode design, heat range, gap and materials. TAKUMI selects each of these to match the combustion system of the target engine, giving stable ignition across the full operating range. The nickel-plated shell resists corrosion, the copper-glass seal keeps the assembly gas-tight, and the alumina insulator provides high dielectric strength and thermal conductivity under extreme stress.

Consistent ignition also protects the wider system: fewer misfires mean less unburned fuel in the exhaust, lower thermal load on pistons and valves, and reduced stress on ignition coils. This is why the correct plug specification matters for both performance and durability, and why TAKUMI manufactures to the original component's exact specification.

Why an OEM-Equivalent Replacement Matters

Using a genuine-specification replacement plug matters more than many buyers realize. A plug with the wrong reach can strike pistons or valves, an incorrect seat type can leak combustion gases, and a wrong heat range can cause overheating or fouling. The TAKUMI plug is manufactured to the exact dimensions and electrical specification of the original component, verified against OEM reference data, so you can install it with confidence.

Key Features & Benefits

• Protected spark chamber for reliable ignition in gas engines
• Extended electrode life reduces service frequency
• Noise-free operation thanks to integrated resistor
• Uniform factory-set gap for consistent combustion

Operating Benefits

Longer service intervals, fewer ignition-related failures and simpler spare-part planning are the measurable benefits of choosing a certified TAKUMI plug. In continuous duty, an unplanned stop can cost more than an entire set of spark plugs, so dependable ignition directly protects revenue. Factory-direct pricing further lowers the cost per operating hour.

For distributors and service companies, the TAKUMI plug offers a competitive margin and a reliable supply chain: stable quality from batch to batch, clear product documentation for end-customer confidence, and responsive support when applications need verification. One supplier for the whole ignition range also simplifies purchasing and stock management.

Installation & Service Tips

For best results, clean the thread in the cylinder head before installation, apply anti-seize sparingly, and tighten to the torque recommended for the application. Check the gap before fitting if the plug has been in storage, and keep the firing end free of contamination. Following these simple steps protects the plug and the engine and maximizes service life.

Quality & Certification

ISO 9001 and IATF 16949 certified manufacturing guarantees consistent quality. Each plug is tested for performance and sealing before it is packed and shipped.

Raw materials are supplied by certified vendors and inspected on receipt; production is monitored with statistical process control; and finished plugs pass firing, resistance and pressure-seal tests. Batch samples undergo extended endurance testing to verify electrode wear and thermal behavior, and full traceability is maintained for every shipment.

Packaging & Delivery

Flexible packaging options: standard export carton or custom design. Dispatch 5-8 working days from stock; shipping via international courier or sea freight.

OEM / ODM & Customization

TAKUMI runs a full OEM/ODM program: custom branding, private-label part numbers, custom packaging and scheduled stock programs for distributors and engine service companies. Technical documentation, dimensional drawings and test certificates are available on request for qualification and approval processes.

Why Choose TAKUMI

With more than 60 years of ignition manufacturing heritage, TAKUMI delivers factory-direct quality at competitive prices. OEM/ODM cooperation and technical support are always welcome.

TAKUMI was founded in 1961 and has grown into one of China's major OE spark plug manufacturers. Our factory operates automated production lines for the complete ignition range – spark plugs, ignition coils, ignition cables and controllers – and exports to more than 60 countries. With ISO 9001 and IATF 16949 certification and full-batch inspection, we supply engine builders, power plant operators and distributors worldwide.