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SKU:
NLT2E00945
Ships for free in 2–4 business days.
4-Terminal Motor Solenoid Relay for BOSS and Western Snow Plows Replaces HYD01633
$49.99
In Stock
$49.99
Sale price
$49.99
Regular price
This aftermarket four-terminal motor solenoid replaces BOSS HYD01633 and related Western snow-plow relay references.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- BOSS RT3 straight-blade plows using HYD01633-style solenoid
- BOSS RT3 V-plows using HYD01633-style solenoid
- Western snow-plow power units using 56131, 56134, or 42902 relay style
- Snow-plow hydraulic power units with matching four-terminal intermittent-duty solenoid
Product Overview
When the controller lights up but the hydraulic motor will not run—or only runs after the relay is tapped—the motor solenoid and its cable connections need testing.
This is an intermittent-duty high-current relay for compatible plow power units. It is not a continuous-duty battery isolator. Match the bracket, terminal arrangement, and wiring diagram.
Key Features & Performance
- Four-terminal high-current layout
- Intermittent-duty plow motor switching
- Round metal-can design
- Fits compatible BOSS and Western power units
Replaces Part Numbers
- HYD01633
- HYD08831
- 56131
- 56134
- 42902
Common Uses
- Replacing a confirmed failed or damaged snow plow motor solenoid
- Correcting the symptoms described in the product overview after testing related parts
- Restoring dependable operation during repair or scheduled service
- Matching one of the listed reference numbers or compatible applications
Technical Specifications
- Product Type: Snow-plow motor solenoid
- Duty Type: Intermittent
- Terminal Count: 4
- Replacement Type: Aftermarket
Installation & Fitment
- Disconnect the truck battery before service
- Clean corrosion from cable ends and grounds
- Transfer one cable at a time according to the wiring diagram
- Test plow movement while checking for hot or loose connections
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Model names alone do not guarantee fitment. Production dates, serial-number breaks, engine packages, wiring, and installed options can change the part used on otherwise similar equipment.
Frequently Asked Questions
Q: What problem is this part commonly used to address? A: When the controller lights up but the hydraulic motor will not run—or only runs after the relay is tapped—the motor solenoid and its cable connections need testing.
Q: How should fitment be confirmed? A: Match the original part number first, then compare the connector or fittings, mounting points, dimensions, and machine or engine serial information.
Q: Is this an original equipment manufacturer part? A: No. This is an aftermarket replacement part for compatible applications.
Q: Can another fault cause similar symptoms? A: Yes. Wiring, grounds, hoses, filters, related controls, and mechanical wear should be tested as part of the diagnosis.
Q: What should be checked after installation? A: Confirm secure connections, normal operation, and no leaks, heat, binding, or warning indications before returning the equipment to service.
Part Summary
keywords: BOSS HYD01633 solenoid, Western 56131 relay replacement, snow plow motor no run repair, HYD08831 contactor, four terminal plow relay, aftermarket hydraulic solenoid
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.