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  • STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E
  • STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E
  • STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E
STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E

STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E

$20.00-$55.00/ Set|5 Set/Sets(Min. Order)
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STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Leak Prevention & Airtight Sealing: Designed to replace worn gaskets and seals in Toyota A245E/A246E/A247E automatic transmissions, ensuring fluid integrity and preventing leaks in high-pressure environments.
  • Material Durability: Crafted from high-performance rubber and synthetic compounds to withstand extreme temperatures, pressure fluctuations, and prolonged mechanical stress.

Key features

  • 1. Durable Synthetic Material Technology

    • With corrosion-resistant synthetic material, ensure long-lasting seals in high-pressure transmission environments. These gaskets outperform standard rubber seals by maintaining integrity under extreme temperatures and pressures*.

  • 2. Precision-Engineered Fit for Toyota Models

    • Designed specifically for Toyota A245E/A246E/A247E transmissions, these gaskets provide a 98% precise fit compared to generic aftermarket parts*, reducing leakage risks and installation errors.

  • 3. Comprehensive Compatibility

    • With a wide range of sizes and shapes, this kit accommodates all critical transmission components, offering 20% more versatility than standard overhaul kits* to address diverse repair needs.

  • 4. Reliable Leak Prevention for Automotive Use

    • Engineered to prevent fluid leaks in engines and mechanical systems, these seals ensure uninterrupted operation and extend transmission lifespan in demanding automotive scenarios.

  • 5. OE-Grade Certification Standards

    • Manufactured to meet Original Equipment (OE) quality standards, guaranteeing compliance with automotive safety and performance specifications for professional-grade reliability.

Product details

STK Automatic Transmission Overhaul Kit for TOYOTA A245E A246E A247E

The STK Automatic Transmission Overhaul Kit for TOYOTA A245E/A246E/A247E is a precision-engineered set of gaskets and seals designed to ensure airtight and watertight performance in automotive transmissions. Crafted from high-performance materials and available in diverse sizes and configurations, this kit is tailored for Toyota automatic transmission systems, offering durability, ease of installation, and compatibility with harsh mechanical environments.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionNitrile rubber & synthetic elastomersWithstands oil, temperature fluctuations (-40°C to 150°C), and mechanical stress in automotive transmissions
Size Range10mm–50mm diameter, 1mm–3mm thicknessCustom fits for Toyota A245E/A246E/A247E valve bodies, pump assemblies, and clutch packs
CompatibilityToyota A245E/A246E/A247E modelsDirect OEM replacement for automatic transmission rebuilds
PackagingColor-coded, labeled poly bagsQuick identification and organization during assembly

Customization guide

Adjustable parameters include material thickness (±0.2mm tolerance) and shape customization (via die-cutting) to meet specific engine bay clearances or non-standard port designs.

Get inspired

Whether you’re rebuilding a high-mileage transmission or upgrading a performance engine, STK’s gaskets and seals ensure zero fluid leakage and prolonged component lifespan. Their flexibility and precision fit make them ideal for both routine maintenance and extreme-duty applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material Durability500hr oil resistance+15% (575hr)+30% (650hr)*
Temperature Range-30°C to 120°C-40°C to 130°C-50°C to 150°C
Pressure Tolerance150 psi180 psi200 psi

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: Nitrile rubber composition provides 20% better oil resistance than standard EPDM, extending service life in automatic transmissions.
    • Precision Engineering: ±0.1mm dimensional accuracy ensures zero-clearance fits, eliminating leaks in high-pressure valve bodies.
    • Extreme-Temperature Stability: Pro Model’s proprietary blend maintains structural integrity at -50°C, outperforming industry benchmarks by 20%.

  2. Version Selection Guide:

    • Base Model: Ideal for routine maintenance in standard-use vehicles (e.g., daily commuters).
    • Advanced Model: Recommended for performance builds or heavy-duty trucks requiring +15% durability over OEM parts.
    • Pro Model: Designed for racing or extreme environments, with triple the chemical resistance of industry standards—critical for transmissions using high-viscosity fluids or operating in Arctic conditions.

*Pro Model’s 650hr oil resistance exceeds SAE J2044 specifications by 30%, ensuring longevity in high-stress applications.

Frequently asked questions

  • Which Toyota models are compatible with the STK Automatic Transmission Overhaul Kit for A245E/A246E/A247E?

  • How does the material of STK’s gaskets compare to standard rubber seals for automotive use?

  • How should I store the STK transmission seals to maintain their quality before installation?

  • Can the STK kit be customized for non-listed Toyota automatic transmission models?

  • Are the materials in the STK kit OEM-approved for Toyota transmissions?

  • In which automotive systems are STK transmission seals most effective?

  • Do I need special tools to install STK transmission seals?

  • How long do STK transmission seals typically last under normal use?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Seal Material CompositionEngine rebuilds, fluid system maintenanceToyota-grade NBR rubber (ISO 3691-1) vs Industry Standard EPDM (ASTM D1418)▲ Our Advanced: 50% higher oil resistance (ASTM D471, 72hr @100°C)Industry Standard: Limited to -20°C to 120°C thermal range
Noise DampeningPassenger vehicles, cabin comfort43 dBA (quieter than refrigerator hum)▲ Our Base: 3dB reduction vs Industry Standard (ISO 3744)Base version may require additional soundproofing in high-vibration engines
Chemical ResistanceHarsh chemical environments (e.g., oil leaks)Withstands 50+ chemical exposures (ASTM D543)▲ Our Advanced: Passes 100hr immersion in ATF-DW1 (SAE J1704)Industry Standard: Fails after 30min in aggressive fluids
Temperature RangeHigh-performance engines-40°C to 180°C (TÜV-certified)▲ Our Base: 20°C wider tolerance than Industry Standard (-30°C to 160°C)Base may degrade in extreme desert conditions without shielding
Pressure ToleranceHydraulic transmission systems250 psi (ISO 10715)▲ Our Advanced: 350 psi (meets SAE J1704 Class 6)Industry Standard: Risks leakage at >180 psi
Installation CompatibilityOEM Toyota A245E/A246E/A247E models±0.01mm precision fit (ISO 2768-m)▲ Our Base: Pre-cut to Toyota-specific dimensions (no trimming required)Advanced version requires specialized tools for installation

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