Eaton Fuller Air Filter Regulator A-4740

Eaton Fuller A-4740 Air Filter Regulator | OEM Replacement For Heavy Duty Transmissions

The A-4740 air filter regulator from Tritenco is a reliable, OE-equivalent replacement designed to deliver clean, stable air supply for your Eaton Fuller heavy-duty transmission. Built to match OEM specifications, this A-4740 air filter regulator installs without modifications and delivers consistent leak-free performance for Mack, Freightliner, Navistar, and other heavy-duty trucks.

For fleet managers, service technicians, and owner-operators, clean, regulated air is not just a convenience—it’s essential for uptime and smooth operation. The Tritenco A-4740 air filter regulator filters moisture, oil, and contaminants that trigger slow shifts, air leaks, and costly downtime. As a direct OEM replacement for Eaton Fuller transmissions, it works seamlessly with factory pneumatic systems and maintains stable pressure regulation under harsh working conditions.

It serves as a direct OEM equivalent air filter regulator for Eaton Fuller heavy-duty transmissions, compatible with mainstream heavy truck brands and aftermarket pneumatic systems.

Durable Eaton Fuller A-4740 Air Filter Regulator Design

This A-4740 air filter regulator uses high-strength natural aluminum alloy. Because of precision-machining to strict OE tolerances, it fixes common issues: sluggish shifts, contaminated air supply, and pressure fluctuations.

Every unit passes strict air leakage and function tests. It performs reliably in high-pressure pneumatic systems for Eaton Fuller transmissions, even in dusty, high-temperature environments.

No matter if you run a fleet, own a repair shop, or source parts for distribution, you can rest assured that the Tritenco A-4740 will fit and perform as expected. It matches the fit, function, and durability of the original part. It delivers trusted performance at a practical cost.

Install this air filter regulator quickly and easily, with no modifications needed. It fits standard mounting holes and ports for fast, direct installation. It saves you time on every repair.

We focus on real-world performance, long service life, and consistent quality. This means your vehicles stay on the road, not stuck waiting for unreliable parts.

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A-4740 Air Filter Regulator: Heavy-Duty Performance for Commercial Trucks

Product Overview

• Brand: Tritenco
• Part Number: A-4740 (also known as A4740)
• Condition: 100% New
• Quality: OE-Equivalent Performance | Direct Replacement
• Compatibility: Designed for Eaton Fuller 6-Series, 13-speed, 15-speed, and 18-speed heavy-duty transmissions. Also fits applications requiring cross-referenced Bendix, WABCO, Navistar, and other listed part numbers.

Key Features

• OE-Equivalent Quality: Built to meet or exceed OEM specifications for reliable air filtration and pressure regulation.
• Premium Material: High-strength aluminum alloy construction, designed to resist harsh conditions and maintain stable performance.
• Precision Air Regulation: Delivers consistent 56.5–62.5 PSI output pressure for smooth, reliable gear shifting.
• Direct Replacement: Standard mounting and port design for fast, easy installation without modifications.
• Contamination Resistance: Filters moisture, oil, and debris to protect transmission components and prevent sluggish shifts.

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Technical Specifications

• Material: Aluminum Alloy
• Setting Pressure: 56.5–62.5 PSI (396–431 kPa) adjustable
• Ports: 1 × 3/8-inch NPT (supply), 3 × 1/8-inch NPT (delivery)
• Mounting: 2 × 1/4″-20 bolts × 2″
• Working Temperature: -40°C ~ 120°C
• Weight: 275g (0.606 lbs)
• Product Size (L×W×H): 12×6×4 cm

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OE-Equivalent A-4740 Air Filter Regulator for Eaton Fuller Transmissions

Below is a full list of interchangeable OEM and aftermarket part numbers for the Tritenco A-4740 air filter regulator, designed to fit Eaton Fuller heavy-duty transmissions:

Eaton Fuller Slave Valve Cross-Reference Part Numbers

Manufacturer	Replacement Part Numbers
Eaton Fuller	A-4740, FUL A-4740, FUL A4740, FUL-A-4740, FULA4740, FUR-A-4740
Bendix	A4740, A-4740, A4740-SP, 3088-A-4740, S-9146
WABCO	01FA4740, 19600, 35530403, 02076801, 2076801, A4740B, A4740NP, WWS A-4740, 14-500
Navistar	584863C91, 584863C, 401304
Ford	E1HZ7B265-A
Excel	EF36730, EF367309633, 9633
Grote	GTA-A4740
Kysor	KA4740
Midland	M13A-4740
Haldex	NSFSA4740

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A-4740 Air Filter Regulator: Direct Drop-In Replacement (No Modifications)

Package Includes

• 1 × A-4740 Air Filter Regulator Assembly

Compatibility Note

• This is an aftermarket replacement part. It replaces genuine Eaton Fuller® and other OEM part numbers listed. All trademarks belong to their respective owners.
• Backed by Tritenco’s precision manufacturing and IATF 16949 quality system, the A-4740 air filter regulator delivers reliable performance for fleets, repair shops, and aftermarket distributors worldwide.
• For full system optimization, we recommend pairing it with the Tritenco A-5000 Slave Valve Assembly and K-3331 Splitter Valve Assembly.

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Manufacturing Capability: Building the Tritenco A-4740 Air Filter Regulator

We are a professional manufacturer. We supply OE-quality transmission pneumatic control valves. They match OE performance, fit, and specifications.

Our core products:

• A-5000 Slave Valve
• K-3331 Splitter Valve
• A-4740 Air Filter Regulator

These parts are direct replacements for Eaton Fuller heavy-duty transmissions, including the A-4740 air filter regulator.

We provide reliable aftermarket components. They perform consistently in tough commercial vehicle applications.

Our strengths cover the full product lifecycle:

• Process Engineering: Turn complex parts into efficient mass production.
• Process Optimization: Fix bottlenecks to meet strict industry standards.
• Stable Mass Production: Reliable, controlled production for consistent output.

We support high-volume, stable supply for assembly lines and aftermarket distribution. This ensures continuity and cost efficiency.

Learn more about our precision manufacturing capability.

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Compatible Parts for the A-4740 Air Filter Regulator

• A-5000 Slave Valve
• K-3331 Splitter Valve Kit