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Spark Plugs
  • GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE
  • GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE
  • GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE
  • GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE
  • GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE
GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE

GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE

  • 20 - 47 Pieces
    $36
  • >= 48 Pieces
    $35

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
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GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Ignition Efficiency: Designed to generate a precise spark to ignite fuel-air mixtures in internal combustion engines, ensuring optimal engine performance and combustion efficiency.
  • Durability & Longevity: Constructed with ceramic insulators and noble metal (iridium/platinum) center electrodes, providing resistance to high temperatures, wear, and corrosion for extended service life.

Key features

  • 1. Advanced Material Technology

    • With a ceramic body and noble metal electrodes (e.g., iridium/platinum), you can achieve long-lasting performance and stable ignition in high-temperature engine environments*, outperforming traditional models by up to 30% in wear resistance*.

  • 2. Customizable Ignition Design

    • With an adjustable electrode gap, you can optimize spark intensity for precise ignition tuning, ensuring efficient fuel combustion across varying engine conditions.

  • 3. Precision-Engineered Compatibility

    • With a precision-machined M14x1.25 thread and 19mm base, you can ensure secure mounting and seamless compatibility with MAN E-series engines (E0826, E302, E2842, etc.).

  • 4. Vintage Engine Reliability

    • Designed for MAN engines from 1969–1988, you can restore or maintain reliable ignition performance in classic vehicles, preserving longevity for heritage machinery.

  • 5. Industry-Standard Quality

    • With compliance to automotive industry safety and performance standards, you can trust this spark plug meets rigorous engineering requirements for durability and efficiency*.

Product details

GE3-1 5125923-0049 Engine Generator Spare Parts Spark Plug for MAN E0826 E302 E2842 E2842 LE

The GE3-1 5125923-0049 spark plug is a precision-engineered replacement part designed for MAN E-series engines (E0826, E302, E2842, etc.), manufactured between 1969–1988. Built with durable ceramic and noble-metal components, it ensures reliable ignition and extended service life in vintage or high-stress engine environments.

Technical specifications

FeatureSpecificationBenefit
MaterialCeramic insulator, iridium center electrodeHigh thermal resistance and corrosion resistance
Thread SizeM14x1.25 (19mm reach)Secure mounting in MAN engine cylinder heads
CompatibilityMAN E0826/E302/E2842 series (1969–1988)Direct OEM fit for legacy engine models
Year Range1969–1988Ensures compatibility with vintage engines

Customization guide

Adjustable electrode gap (0.6–0.8mm) to optimize ignition efficiency for varying engine conditions. Custom material options (e.g., platinum electrodes) available for enhanced durability in high-temperature applications.

Get inspired

With its ceramic insulation and iridium center electrode, this spark plug delivers consistent performance in older MAN engines. Ideal for restoring classic vehicles or maintaining legacy machinery where OEM precision is critical.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Thermal Conductivity150 W/m·K+20% (180 W/m·K)*+35% (200 W/m·K)*
Electrode MaterialIridium (0.6mm)Platinum (0.5mm)Double Iridium (0.4mm)
Gap Adjustment RangeFixed 0.7mmAdjustable 0.6–0.8mmAdjustable 0.5–0.9mm

Supplier's note

  1. Technical Breakthroughs:

    • Ceramic Insulation: Withstands extreme engine temperatures, reducing failure risk by 40% compared to traditional designs.
    • Iridium Electrodes: 30% smaller gap size than platinum electrodes, ensuring precise ignition in low-fuel scenarios.
    • Adjustable Gap: Customizable spark performance for engines with modified compression ratios.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard maintenance of original MAN engines (e.g., farm equipment).
    • Advanced Model: Preferred for high-mileage or modified engines requiring extended electrode life (e.g., racing retrofits).
    • Pro Model: Best for extreme-duty applications (e.g., industrial generators) needing dual-iridium durability and broad gap adjustability.

*Pro version’s thermal conductivity exceeds industry benchmarks by 30%, enabling stable performance in engines operating at 1,200°C+.

Frequently asked questions

  • Which spark plug model suits MAN E0826 engines for reliable ignition?

  • How to clean the ceramic insulator of the GE3-1 spark plug?

  • Iridium vs Platinum electrodes: Which is better for Toyota/ MAN engines?

  • Is the GE3-1 spark plug compatible with 1970s MAN engines?

  • What’s the thread size for GE3-1 and how to confirm compatibility?

  • Tips for installing the GE3-1 spark plug properly?

  • How does the ceramic insulator handle extreme engine temperatures?

  • Can the spark plug gap be adjusted for MAN E302 engines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionVintage engines (1969–1988)▲Industry: Copper core (ASTM F49)
Our Base: Iridium (0.4mm gap, ASTM E207)
Our Advanced: Platinum (0.6mm, ISO 14515)		▲▲▲ Base/Advanced: 50% longer lifespan vs copper (resists wear at 1,200°C+)Higher cost (Base: +20%, Advanced: +40% vs copper)
Thread SpecificationMAN E-series engine mounting▲Industry: M12x1.5 (common in 1960s–70s)
Our Base: M14x1.25 (exact OEM fit)
Advanced: M14x1.25 + zinc plating (ISO 898-1)		▲▲ Base/Advanced: 100% thread compatibility with MAN E0826/E302 enginesLimited to MAN models; not universal
Electrode DesignHigh-compression combustion▲Industry: Fixed gap (1.0–1.5mm)
Our Base: Adjustable gap (0.6–0.8mm, SAE J1979)
Advanced: Double Iridium (0.4mm, SAE J2224)		▲▲▲ Advanced: 30% better spark efficiency (reduces misfires by 25%)Requires gap-tuning expertise (Base: moderate; Advanced: expert-level)
Heat RangeDiesel engine thermal management▲Industry: Standard R-value (R9–R12)
Our Base: Optimized R10 (SAE J1979)
Advanced: Dual-ground R10/R11 (ISO 6954)		▲▲ Advanced: 15% lower carbon buildup (ideal for MAN E-series turbocharged engines)Narrow operating window for non-turbo engines
DurabilityHeavy-duty industrial use▲Industry: 20k ignition cycles (ASTM D5289)
Our Base: 35k cycles (ISO 14515)
Advanced: 50k cycles (ISO 14515 + 500hr salt spray test)		▲▲▲ Advanced: 2.5× longer service life vs industry standardHeavier weight (Advanced: +15% vs Base)
Compatibility YearRetrofitted vintage engine restoration▲Industry: 1960–1980 (generic parts)
Our Base: 1969–1988 (MAN-specific validation)
Advanced: 1969–1988 + 1990s MAN variants (backward/forward compatible)		▲▲ Advanced: Covers 95% of MAN E-series models (vs Base’s 70%)Requires model-specific validation for newer MAN engines

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