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  • MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI
  • MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI
  • MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI
  • MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI
  • MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI
  • MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI
MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI

MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI

  • 2 - 49 Pieces
    $1.26
  • 50 - 99 Pieces
    $1.23
  • >= 100 Pieces
    $1.20

Customization:

Customized packaging（Min.Order: 10000 pieces）
View product details

MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Pressure Regulation: Maintains optimal cooling system pressure at 0.9 kg/cm² (88 kPa), ensuring efficient coolant circulation and preventing engine overheating.
  • Safety Design: Features a "NEVER OPEN WHEN HOT" warning label and a durable aluminum body to protect users from burns and withstand high temperatures.

Key features

  • 1. Corrosion-Resistant Aluminum Construction

    • With a corrosion-resistant aluminum body, the MASUMA MOX-203 radiator cap resists rust and high-temperature degradation, ensuring long-term durability compared to plastic alternatives*.

  • 2. Precision Pressure Regulation

    • With a 0.9 kg/cm² pressure rating, the cap maintains optimal coolant circulation to prevent overheating, enhancing engine protection versus generic radiator caps*.

  • 3. Universal Cross-Brand Compatibility

    • With universal fitment for Mazda, Suzuki, Toyota, and other brands (1984-2004), you can replace OEM parts across multiple vehicle models without needing specialized caps for each make.

  • 4. Safety-Enhanced Design

    • With a "NEVER OPEN WHEN HOT" warning label, you can perform engine maintenance safely by avoiding accidental burns from hot coolant.

  • 5. OE-Certified Performance

    • With OE part numbers (e.g., 1A05-15-205), you can ensure direct compatibility and OEM-equivalent performance when replacing factory radiator caps.

Product details

MOX-203 MASUMA Engine Part Radiator Cap OE 1A05-15-205 21430-4A0A1 Radiator Caps for Mazda for SUZUKI

The MASUMA MOX-203 radiator cap is a durable, universal-fit aluminum radiator cap designed for vehicles from Toyota, Mitsubishi, Suzuki, Mazda, FAW, and Lexus (1984–2004). With a precise pressure rating of 0.9 kg/cm², it ensures optimal coolant circulation while its "NEVER OPEN WHEN HOT" safety warning enhances user protection.

Technical specifications

FeatureSpecificationBenefit
Pressure Rating0.9 kg/cm² (88 kPa, 13 Lbs)Maintains optimal coolant circulation to prevent overheating.
MaterialAluminumDurable and heat-resistant for long-lasting performance.
Fitment TypeUniversalCompatible with Toyota, Mitsubishi, Suzuki, Mazda, FAW, and Lexus models.
OE Part Numbers1A05-15-205, 21430-4A0A1Ensures precise OEM compatibility.
Safety Feature"NEVER OPEN WHEN HOT" warningReduces risk of burns during maintenance.
Voltage12VEnsures seamless integration with standard automotive systems.
Application Years1984–2004 (varies by make)Retrofits older vehicles without compatibility issues.
PackagingBarcode: 4560116750030Simplifies inventory management and traceability.

Customization guide

Adjustable fitment parameters to meet OEM-specific requirements for precise installation.

Get inspired

The MASUMA MOX-203 radiator cap combines robust aluminum construction with a precise 0.9 kg/cm² pressure rating, ensuring reliable cooling system performance across a wide range of vehicles from 1984 to 2004. Its universal design and OE-matched specifications make it an ideal replacement for Toyota, Suzuki, Mazda, and other compatible models.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Rating0.9 kg/cm²1.0 kg/cm² (+11%)1.2 kg/cm² (+33%)*
MaterialAluminumAluminum with corrosion coatingPremium aerospace-grade aluminum
Temperature Range-30°C to 120°C-40°C to 150°C-50°C to 200°C
CompatibilityUniversalOEM-specificCustom-engineered
*Exceeds industry standard by 30%

Supplier's note

Three Technical Breakthroughs:

  1. Enhanced Pressure Control: The MOX-203's 0.9 kg/cm² pressure rating ensures stable coolant circulation, outperforming generic caps that often fail at 0.8 kg/cm².
  2. Aluminum Durability: With a corrosion-resistant aluminum body, it lasts 50% longer than plastic alternatives in harsh environments.
  3. Universal Fitment: OE-matched design covers 6 major brands (Toyota/Mazda/Suzuki/etc.), reducing inventory costs by 40% compared to brand-specific caps.

Version Selection Guide:

  • Base Model: Ideal for standard maintenance in everyday vehicles (e.g., 1990s Mazda or Suzuki models needing a direct replacement).
  • Advanced Model: Recommended for commercial fleets requiring corrosion resistance in salt-treated roads or industrial environments.
  • Pro Model: Best suited for high-performance engines (e.g., turbocharged Mazda vehicles) where extreme temperature fluctuations demand premium materials.

Frequently asked questions

  • Which MASUMA radiator cap model is suitable for Mazda vehicles from 1988-2004?

  • Why is the MASUMA MOX-203 radiator cap made of aluminum instead of plastic?

  • How do I safely clean the MASUMA MOX-203 radiator cap’s frothing nozzle?

  • Is the MASUMA MOX-203 compatible with Toyota models from 1985-1999?

  • Does MASUMA offer customized radiator caps for non-listed vehicle models?

  • What pressure rating does the MASUMA MOX-203 radiator cap have, and why is it important?

  • What safety features does the MASUMA MOX-203 radiator cap include?

  • Which vehicle years does the MASUMA MOX-203 radiator cap fit?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialCorrosive environments (salt, humidity)- Industry Standard: Steel (ASTM A36, prone to rust)
- Our Base: Aluminum alloy (ASTM B209, 30% lighter)
- Our Advanced: Anodized aluminum (▲30% corrosion resistance vs base)		Lighter, corrosion-resistantSteel may rust; Advanced versions cost more
Pressure RatingHigh-performance engines- Industry Standard: 0.8 kg/cm² (ISO 1043)
- Our Base: 0.9 kg/cm² (▲12.5%)
- Our Advanced: 1.1 kg/cm² (▲22.2% over base)		Enhanced coolant circulationHigher pressure requires stronger seals
CompatibilityUniversal fit needs- Industry Standard: Brand-specific (e.g., only Mazda)
- Our Base: Multi-brand (Mazda, Suzuki, Toyota, etc.)
- Our Advanced: Universal fit (▲100% expanded range)		Reduces inventory needsMay not fit all models perfectly
Safety FeaturesFleet safety compliance- Industry Standard: Basic warning label
- Our Base: ISO 3833-compliant heat warning
- Our Advanced: Leak detection (▲New feature)		Enhanced user safetyAdvanced features add cost
Voltage CompatibilityElectric/hybrid vehicles- Industry Standard: N/A (mechanical)
- Our Base: 12V (standard for most cars)
- Our Advanced: 12V/24V dual (▲Supports trucks)		Wider vehicle applicabilityAdvanced may be overkill for standard cars
Year of ManufactureClassic car restoration- Industry Standard: Single year range
- Our Base: Multiple ranges (1985-2004)
- Our Advanced: Customizable years (▲User-defined)		Longer service lifeMay not fit newer models

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