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16859-g actuator valve wm148a for eaton fuller transmission, 3-way pneumatic control, heavy-duty air shift systems

16859-G - Countershaft 3-Way Actuator Valve (WM148A Style)

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SKU:
16859-G
Condition:
New
Availability:
Call 877-243-0442 for pricing. Mention code WEB1

Product Description

16859-G – ACTUATOR VALVE (WM148A), 3-WAY FOR TRANSMISSION COUNTERSHAFT BRAKE

PART NUMBER(S):

Fleet Products: 16859-G | OE: 16859, WM148A | Automann:

DESCRIPTION:

Model: WM148A – Countershaft Brake Actuator Valve
Vehicles: Eaton Fuller manual transmission-equipped vehicles
• Valve Type: 3-way pneumatic actuator valve
• Application: Transmission countershaft brake control
• Actuation: Air-operated
• Ports: 1/8" NPT
• Primary Function: Regulates air pressure to apply/release the countershaft brake
• Design: Direct OE replacement for Eaton WM148A and WM148-A
• Mounting: Standard mount (exact mounting specs not provided in source)
• Material: Industrial-grade construction for HD use
• Includes: Control knob
• Compliance: Meets OE standards for performance and durability

Applications:
Designed for use in heavy-duty commercial vehicles equipped with Eaton Fuller manual transmissions. Controls airflow to the countershaft brake during gear changes to assist with smooth shifting. Compatible with OE actuator systems originally using WM148A or similar configurations.

CROSS-REFERENCE(S):

111549, 1662-532-C, 16859, 16859B, 16859NP, 3088-16859, 35531059, 3623, 36230, EF36230, FUL16859, FUR-16859, GBV-3623, M1316859, S-4397, S4397, WM148, WM148A, L30328

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:

✓ Use standard thread sealant on all NPT ports
✓ Ensure alignment with transmission porting
✓ Verify compatibility with Eaton Fuller air-actuated countershaft brake system
✓ Installation instructions vary by transmission model; follow vehicle OEM procedures

SOLD AS NEW

Brand new and ready to install, with OEM Grade Reliability

SUPPORT & ORDERING

For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com

WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?

  • Canadian-owned and operated since 1985
  • Trusted by fleets, mechanics, and B2B partners across North America
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  • Competitive pricing with core return refunds
  • Price Match Guarantee | Find a better price? We'll beat the difference by 10%!

Warranty Information

Fleet Products Ltd. and KBR offer a comprehensive warranty on new and remanufactured truck parts, guaranteeing freedom from defective materials and workmanship for up to 160,000 km (100,000 miles), 3,600 hours, or 12 months-whichever comes first. Off-highway components are covered for 90 days against defects. To claim warranty service on truck brake parts or other components, return the product within 30 days of discovering a defect for inspection. This warranty covers repair or replacement of defective parts, but excludes damages from improper installation, maintenance, or service, and does not cover incidental costs such as towing or downtime. This ensures reliable truck parts and peace of mind for commercial vehicle operators. Visit our warranty section on website for full warranty details and product-specific terms.

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