Description
A4740 – TRANSMISSION AIR FILTER REGULATOR
PART NUMBER(S):
Fleet Products: A4740-G | OE: A4740, A-4740, A4740-SP | Automann: 174.4740
DESCRIPTION:
Model: Transmission Air Filter Regulator
Vehicles: Eaton Fuller and compatible heavy-duty truck transmission systems
• Valve Type: Transmission air filter regulator assembly
• Function: Filters and regulates compressed air pressure in manual transmission systems
• Set Pressure: 60 PSI (preset regulator output)
• Construction: Durable metal body, precision-engineered for consistent operation
• Filter Element: Integrated air filtration media to trap contaminants
• Kit Contents: Filter/Regulator body, (1) Air filter element, (2) O-rings
• System Protection: Prevents debris and moisture from entering transmission range and splitter circuits
• System Fitment: Eaton Fuller, Navistar, Mack, Volvo, and compatible heavy truck transmission systems
• Mounting: Not explicitly cited, but typically inline with cab air supply to transmission selector valves
Applications:
Designed for use in Eaton Fuller and other OEM manual transmission systems that rely on clean, regulated air for range and splitter shift actuation. Ensures consistent gear performance and prevents system contamination or damage from unfiltered air sources.
CROSS-REFERENCE(S):
A4740, A-4740, A4740-SP, FUL A4740, 19600, 35530403, E1HZ7B265-A, S9146, 584863C91, ZBFA4740, A3280X9072, A-3280-X-9072, GTA-A4740, 401304, 401304TRA, TRV4740, KA4740, S-9146, ATV4740, SAP-A4740, HFA-4740, HRA3280X9072, MW1A-4740, 2076801, 02076801, 3088-A4740, 27126-5001A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Install inline between truck air system and transmission air supply inlet
✔ Ensure air flow direction matches body markings
✔ Replace air filter element during scheduled transmission service intervals
✔ Maintain 60 PSI output for optimal transmission shift performance
✔ Confirm compatibility with transmission model before installation
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Warranty Information
