Description
16743-G – AIR REGULATOR VALVE, NON-ADJUSTABLE 57–65 PSI, 1/4" & 1/8" NPT
PART NUMBER(S):
Fleet Products: 16743-G | OE: KN16743, 16743 | Automann: 174.16743
DESCRIPTION:
Model: Transmission Air Regulator Valve
Vehicles: Compatible with manual transmission air systems in heavy-duty trucks and trailers
• Valve Type: Non-adjustable air pressure regulator
• Preset Pressure Range: 57–65 PSI (factory preset)
• Supply Port Size: 1/4" NPT
• Delivery Port Size: 1/8" NPT
• Mounting: Inline, thread-to-thread design
• Number of Ports: 2
• Port Thread Type: NPT
• System Application: Transmission/auxiliary air control systems (e.g., range shift, splitter shift)
• Weight: 7 oz (0.44 lbs / 0.2 kg)
• Working Pressure Range: 55–65 PSI
• Construction: Compact, OEM-grade; preset for convenience and reliability
• Compliance: Suitable for HD manual transmission and air systems taxonomy
• Replacement for Fuller air regulator in range transmission control
Applications:
Designed for use in heavy-duty truck and trailer transmission air systems, specifically for regulating air pressure to transmission auxiliary devices such as range and splitter actuators. Commonly used across Freightliner, Mack, Navistar, and other vocational fleet vehicles equipped with Fuller manual transmissions.
CROSS-REFERENCE(S):
16743, 16743B, 16743FUL, 16743NP, 16743P, 3088-16743, 35530405, 3665, 36650, 401306, 422-162-C, 464-688-C, D0HZ-7B274-B, DM16743, EF36650, FUL 16743, FUL16743, FUR-16743, GRG-3665, KN16743, M1316743, S-2022, S2022, TRV16743
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Mount inline using standard NPT fittings
✔ Do not overtighten ports; follow general NPT torque guidelines
✔ This valve is non-adjustable; do not attempt modification
✔ Confirm application requires 57–65 PSI preset regulator before installation
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