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  • Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
  • Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
  • Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
  • Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
  • Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
  • Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X
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Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X

  • >= 10 Sets
    $24.90

Customization:

Graphic customization（Min.Order: 500000 pieces）
Customized packaging（Min.Order: 500000 pieces）
Customized logo（Min.Order: 500000 pieces）
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Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Noise and Vibration Isolation: Specifically engineered to reduce engine noise and vibration in Cummins ISM11/QSM11 diesel engines, ensuring smoother operation and extended component longevity.
  • Precision Fit: Designed for compatibility with Cummins engines (part numbers 3899798/3899798X), guaranteeing optimal performance and durability under heavy-duty conditions.

Key features

  • 1. Material Technology

    • With corrosion-resistant alloy construction, effectively isolates engine noise and vibration in harsh diesel engine environments, outlasting generic isolators*.

  • 2. Interactive Design

    • With pre-aligned mounting brackets, simplifies installation and ensures precise alignment without requiring custom modifications, saving time compared to standard isolators*.

  • 3. Performance Parameters

    • With a 6-month warranty, guarantees reliable performance and durability, exceeding the 3-month warranties common in the market for similar parts*.

  • 4. Scenario Solutions

    • Designed specifically for Cummins ISM11/QSM11 diesel engines, reduces noise and vibration in heavy-duty commercial vehicles, enhancing comfort during long-haul operations*.

  • 5. Certification Standards

    • Meets Cummins OEM specifications and automotive industry standards, ensuring compatibility and optimal performance for commercial diesel engine applications*.

Product details

Cummins ISM11 QSM11 Engine Noise Isolator 3899798 3899798X

The Cummins ISM11 QSM11 Engine Noise Isolator (3899798/3899798X) is a precision-engineered component designed to reduce engine noise and vibration in Cummins diesel engines. Built for heavy-duty applications, it ensures optimal performance and longevity with a 6-month warranty.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionHigh-Density Polyurethane FoamReduces noise in diesel engines of trucks and construction equipment
Sound Damping Capacity25–35 dB reduction (ISO 140-11)Ideal for environments requiring low noise emissions
Temperature Resistance-30°C to 120°CSuitable for extreme weather conditions
Engine CompatibilityCummins ISM11/QSM11 seriesDirect fit for specified Cummins diesel engines

Customization guide

Adjustable mounting brackets and thickness parameters can be customized to meet specific engine compartment dimensions or noise reduction targets.

Get inspired

Enhance your engine’s operational efficiency and comfort with this isolator. Perfect for reducing cabin noise in commercial trucks or stabilizing vibrations in industrial machinery.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Sound Damping Efficiency25 dB reduction+15% (29 dB)+30% (32.5 dB)*
Temperature Range-20°C to 100°C-30°C to 110°C-40°C to 120°C
Warranty6 months12 months24 months

Supplier's note

  1. Technical Breakthroughs:

    • Advanced Polymer Material: Achieves 20% better vibration absorption than traditional rubber isolators.
    • Wider Temperature Range: The Pro model’s -40°C to 120°C tolerance outperforms industry benchmarks by 25%.
    • Modular Design: Customizable brackets reduce installation time by 30% compared to standard models.

  2. Optimal Version Selection:

    • Base Model: Ideal for routine truck maintenance or moderate-duty applications.
    • Advanced Model: Recommended for construction or mining equipment needing enhanced durability.
    • Pro Model: Best for extreme environments (e.g., Arctic or desert conditions) where prolonged high/low temperatures are standard. With its triple-certified chemical resistance, it ensures safe use with aggressive engine fluids.

*Comparative improvement over Base Model specifications.

Frequently asked questions

  • Which Cummins engine models is the 3899798 noise isolator compatible with?

  • How do I clean and maintain the Cummins ISM11 noise isolator?

  • What materials are used in the Cummins engine noise isolator, and why are they superior?

  • Can the Cummins noise isolator be customized for non-standard engine setups?

  • Is the Cummins 3899798 noise isolator OEM-approved?

  • What’s the warranty coverage for the Cummins engine noise isolator 3899798?

  • Does the Cummins QSM11 noise isolator reduce engine vibration effectively?

  • Are part numbers 3899798 and 3899798X interchangeable for the Cummins ISM11?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Noise Reduction EfficiencyIndustrial machinery, commercial vehiclesIndustry Standard: 30 dBA ▲
Our Base: 35 dBA ▲
Our Advanced: 40 dBA (quieter than a quiet library)1		Reduces workplace noise pollution, improves safety in crowded environmentsAdvanced versions may require specialized installation for optimal performance
Material DurabilityHarsh chemical environmentsIndustry Standard: Withstands 20 chemical exposures (ASTM D543)
Our Base: 30 exposures (resists engine fluids)2 ▲
Our Advanced: 50+ exposures (ASTM F739)3		Base version meets most industrial demands; Advanced version ideal for chemical plantsBase version may degrade faster in extreme chemical exposure scenarios
Vibration DampingHigh-vibration engines (diesel/petrol)Industry Standard: 50% vibration reduction
Our Base: 60% reduction (ISO 10816)4 ▲
Our Advanced: 70% reduction (SAE J1320)5		Extends engine lifespan and reduces mechanical wearAdvanced versions may add weight, impacting fuel efficiency
Installation CompatibilityRetrofitting legacy machineryIndustry Standard: Supports 5 engine types
Our Base: 10+ engine types (ISO 806) ▲
Our Advanced: 15+ types (customizable brackets)		Base version fits most Cummins diesel engines; Advanced supports niche modelsRequires technical expertise for non-standard engine installations
Warranty PeriodLong-term equipment maintenanceIndustry Standard: 12 months ▲
Our Base: 6 months (standard coverage)
Our Advanced: 18 months (extended warranty)		Base version cost-effective for short-term use; Advanced ensures long-term reliabilityBase warranty shorter than industry norms for critical components
Temperature ResistanceExtreme climate operationsIndustry Standard: -40°C to 120°C
Our Base: -30°C to 110°C (ASTM D471)6 ▲
Our Advanced: Matches industry standard (-40°C to 120°C)		Base version suitable for moderate climates; Advanced operates in Arctic/Desert conditionsBase version may fail in extreme cold/hot environments

Tooltip Explanations:

  1. 40 dBA: Equivalent to a quiet library (30–40 dBA).
  2. 30 exposures: Tested against common engine fluids (e.g., oil, coolant).
  3. 50+ exposures: Resists aggressive chemicals like acetone and sulfuric acid.
  4. 60% reduction: Meets ISO 10816 vibration limits for industrial engines.
  5. 70% reduction: Exceeds SAE J1320 standards for heavy-duty diesel engines.
  6. -30°C to 110°C: Operates in temperate to tropical climates but risks failure in polar regions.

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