Tritenco A-4740 Air Filter Regulator | Eaton Fuller Transmission Replacement

Tritenco A-4740 a4740 Air Filter Regulator is an OE-equivalent direct replacement for Eaton Fuller heavy-duty truck transmissions. Designed for filter and regulate air pressure for smooth operation.

Product Overview  

• Brand:  Tritenco
• Part Number: A-4740 (also known as a4740)
• Condition: 100%New
• Compatibility: Designed for Eaton Fuller 6-Series, 13-speed, 15-speed, and 18-speed heavy-duty transmissions.
  Compatible with a wide range of heavy-duty truck models.

Interchangeable Part Numbers

• 19600, 584863C91, EF36730, 3088-A-4740, 02076801, GTA-A4740

Key Features

• OE-Equivalent Performance: Built to meet or exceed original specifications for reliable air regulation
• Enhanced Durability: High-quality aluminum construction withstands harsh operating conditions
• Direct Bolt-On Installation: Designed for seamless replacement without modifications
• Contamination Resistance: Filters oil and moisture to protect transmission components and prevent sluggish shifts
• Broad Compatibility: Fits most Eaton Fuller heavy-duty transmissions, including 6-Series and multi-speed models

Product Description

• The TRITENCO A-4740 air filter regulator is a critical component for diesel truck transmissions. Its primary role is to cleanse compressed air from the vehicle's system and maintain stable output pressure (~63 psig), ensuring crisp operation of range and splitter valves for smooth, reliable gear changes.
• By delivering clean, dry air, this valve prevents common issues like slow or sluggish shifts, especially during cold starts. It is an essential replacement part for maintaining peak performance and longevity of heavy-duty drivetrains.

Technical Specifications

• Material: Aluminum (body)
• Finish: Natural
• Ports: 1×3/8-inch NPT (supply), 3×1/8-inch NPT (delivery)
• Mounting: 2×1/4-inch-20×2-inch bolts
• Setting Pressure: 56.5-62.5 psig adjustable
• Working Temperature: -40℃～120℃
• Weight: 275g (0.606 lbs)

Package Includes

• 1× Air Filter Regulator Assembly

Compatibility Note

• This is an aftermarket replacement part. It is designed to be compatible with and replace listed OEM part numbers. All referenced trademarks are property of their respective owners.
• Backed by TRITENCO’s precision manufacturing and IATF 16949 quality system, the A-4740 air filter regulator delivers consistent performance for fleets, repair shops, and aftermarket distributors worldwide.
• For a fully optimized transmission air system, we recommend pairing it with the TRITENCO K-3331 splitter valve kit and A-5000 slave valve assembly.

Learn more about our Manufacturing capability

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Tritenco specializes in the precision manufacturing of oe quality heavy-duty truck transmission pneumatic valves. Our core product line includes the a5000 slave valve, k3331 splitter valve, and a4740 air filter regulator,

designed for reliable performance in global heavy-duty truck fleets. We also offer precision-machined components, high-precision valve stems and shafts, and custom mechanical base parts for industrial applications,

all manufactured to strict quality standards with factory-direct pricing.