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Other Truck Brake Systems
  • Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake
  • Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake
  • Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake
  • Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake
  • Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake
  • Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake
Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake

Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake

  • 50 - 499 Pieces
    $8.50
  • >= 500 Pieces
    $7.90

Customization:

Customized logo（Min.Order: 50 pieces）
Customized packaging（Min.Order: 3000 pieces）
Graphic customization（Min.Order: 50 pieces）
View product details

Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Air Brake Pressure Regulation: Designed as an OEM relay valve (Bendix 102626X, 103028XR) to manage high-pressure air distribution in truck brake systems, ensuring precise braking force and safety compliance.
  • Compatibility: Specifically engineered for Mack trucks (1981–1990 models) and trailers, with a robust design to fit heavy-duty truck brake systems.

Key features

  • 1. Corrosion-Resistant Steel Construction

    • With a durable metal body made of corrosion-resistant steel, you can ensure long-lasting performance in harsh truck environments*. Outlasting generic aftermarket parts by up to 30%*, this design protects against rust and wear from road debris and moisture.

  • 2. Pre-Engineered Mounting System

    • With pre-drilled mounting holes and included hardware, you can achieve secure, hassle-free installation on Mack truck frames*. The robust bracket design simplifies alignment, saving time compared to universal-fit alternatives.

  • 3. Precision-Engineered Pressure Response

    • With a high-performance relay valve mechanism, you can achieve rapid pressure response for reliable braking in heavy-duty scenarios*. This ensures 20% faster brake engagement than generic valves*, critical for trailer and commercial vehicle safety.

  • 4. OEM-Specific Compatibility

    • Designed to fit 1981–1990 Mack trucks and trailers, you can guarantee precise fitment and performance tailored to OEM specifications*. This eliminates compatibility issues common with universal aftermarket parts.

  • 5. Commercial-Grade Certification

    • Manufactured to OEM safety and durability standards, you can trust compliance with industry regulations for heavy-duty truck systems*. This certification ensures reliability in continuous commercial use.

Product details

Air Brake Valve Bendix 102626X, 103028XR Oem R12 Relay Valve for Truck Brake

The Air Brake Valve Bendix 102626X, 103028XR OEM R12 Relay Valve is a heavy-duty truck brake component designed for trailers and commercial vehicles manufactured between 1981–1990. Engineered for Mack trucks, this relay valve ensures precise air brake pressure regulation, enhancing safety and reliability in demanding environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDurable cast steel with corrosion-resistant coatingWithstands extreme temperatures and harsh road conditions in trucks.
Mounting System4-hole nut assembly with reinforced bracketsSecures installation on truck frames for stable brake performance.
Pressure Rating120 psi (8.3 bar) operational rangeMeets OEM standards for trailer and heavy-duty truck braking systems.
Protection CoverTransparent polymer sealShields internal mechanisms from dust and moisture during storage/transport.
CompatibilityFits 1981–1990 Mack truck modelsDirect OEM replacement for Bendix 102626X/103028XR systems.

Customization guide

Adjustable mounting brackets and modular port configurations allow customization to fit non-OEM truck frames or retrofit installations. The transparent cover can be replaced with a metal shield for high-impact environments.

Get inspired

Optimize brake performance with this rugged relay valve. Its corrosion-resistant material and precise pressure control ensure safer stops on long-haul routes, while the adaptable design simplifies installation across varying truck models.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Tolerance120 psi (OEM spec)+15% (138 psi)+30% (156 psi)*
Corrosion ResistanceStandard coatingEnhanced epoxy layerMilitary-grade coating
Weight8.2 lbs8.5 lbs (+3.7%)7.9 lbs (-3.7%)
Mounting FlexibilityFixed bracketsAdjustable bracketsModular bracket system

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s +30% pressure tolerance exceeds industry standards, enabling safe braking in overloaded trucks.
    • The Advanced Model’s adjustable brackets reduce installation time by 20% compared to fixed designs.
    • All versions use a transparent polymer seal, allowing quick visual inspections without disassembly.

  2. Optimal Version Selection:

    • Base Model: Ideal for routine maintenance on 1981–1990 Mack trucks requiring direct OEM replacements.
    • Advanced Model: Best for fleets needing extra durability in coastal or corrosive environments.
    • Pro Model: Suited for heavy haulers or改装 vehicles requiring extreme pressure handling and lightweight components.

With the Pro Model’s 156 psi tolerance, you can safely brake 20-ton trailers on steep descents. Pair its lightweight design with reinforced brackets to reduce chassis strain while maintaining structural integrity.

Frequently asked questions

  • Which Air Brake Valve Bendix model suits 1985 Mack Trucks for trailer applications?

  • How do I maintain the Air Brake Valve Bendix 102626X for long-term reliability?

  • What’s the difference between Bendix and other brands’ relay valves for heavy-duty trucks?

  • Can the Bendix 103028XR relay valve be customized for non-Mack trucks?

  • Is the Bendix R12 relay valve FMVSS/CVSA certified for commercial trucks?

  • Which years of Mack Trucks use the Bendix 102626X relay valve?

  • How do I install the mounting bracket for the Bendix relay valve?

  • What’s the purpose of the transparent plastic cover on the Bendix relay valve?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Relay ValvesTrailer/Heavy-Duty Truck Braking (Mack 1981–1990)Corrosion-resistant steel (ASTM A36 ▲▲), 4 mounting holes (ISO 4017 ▲), IP67 seal (IEC 60529 ▲▲)▲▲ Superior durability; ▲ Secure mounting; ▲▲ Dust/water resistanceHigher cost; requires specialized installation tools
Brake ChambersDrum Brake ActuationStainless steel (ASTM A240), 12" stroke (SAE J1131), 120 psi capacity (FMVSS 105)High pressure tolerance; long stroke for consistent brakingHeavy weight; prone to corrosion without maintenance
Air CompressorsCompressed Air Supply150 CFM output (ISO 1217), 175 psi max (SAE J1030), oil-free (ISO 8573-1)Rapid brake response; clean air for componentsHigh power draw; frequent oil changes (non-oil-free variants)
Control ValvesEmergency Brake ActivationDual-circuit design (FMVSS 105), 150 psi threshold (SAE J1131), aluminum bodyFail-safe redundancy; lightweight materialComplex installation; may freeze in extreme cold
Air DryersMoisture RemovalAdsorption type, 99.9% moisture removal (ISO 8573-1), 300 CFM capacity (ISO 1217)Protects components from corrosion; high airflow capacityRequires desiccant replacement; adds system complexity
Brake PedalsCab Operator InterfaceAdjustable stroke (SAE J1131), 1500 N force (ISO 2631), ergonomic design (ISO 7250)Customizable fit; reliable force transmissionWear over time; frequent adjustment needs

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