Also known as: Window regulator relay, Relay, window regulator
OEM & aftermarket window regulator relay from top brands — compare prices, check fitment, order with free delivery
Browse window regulator relay from trusted brands. Compare prices, check vehicle compatibility, and order with fast UK delivery.
Great offers for car window regulator relay and other relays spares
The window regulator relay is a critical component in your vehicle's relays system. Worn or damaged window regulator relay parts can compromise safety, performance and fuel economy. At CarParts247 we stock OEM and aftermarket window regulator relay options from trusted manufacturers so you can compare prices, check fitment by make and model, and order with confidence.
Common window regulator relay failures
Like all wear items, window regulator relay components degrade over time. Recognising the early signs of failure helps you avoid breakdowns and costly secondary damage.
Unusual noises (squealing, grinding or rattling) when the window regulator relay is in use
Reduced performance, sluggish response or intermittent operation
Dashboard warning lights or error codes related to the relays system
Visible wear, cracks, leaks or corrosion on the window regulator relay or surrounding parts
Vibration or uneven operation that worsens under load
Causes of wear and damage
Several factors accelerate window regulator relay deterioration. Understanding these helps you choose the right replacement part and extend its service life.
Normal wear from everyday driving and mileage accumulation
Delayed maintenance or exceeding manufacturer service intervals
Fitment of incompatible or low-quality replacement parts
Driving habits: aggressive use, heavy loads, frequent short trips
Diagnostics and inspection tips
Before ordering a replacement window regulator relay, a quick inspection can help confirm the diagnosis and ensure you select the correct part first time.
Visually inspect the window regulator relay for obvious damage, wear marks or fluid leaks
Check the OE/OEM part number on the old component for an exact cross-reference
Use your vehicle registration or make/model/engine to verify fitment
Compare symptoms against the manufacturer's troubleshooting guide
If in doubt, have a qualified mechanic carry out a diagnostic check
Frequently Asked Questions
How do I check if window regulator relay parts fit my car?
Use your vehicle details (make, model, engine) to confirm fitment before ordering window regulator relay parts. Matching the exact engine variant helps you choose the correct part first time.
OEM vs aftermarket window regulator relay: what's the difference?
OEM parts match the original equipment specification. Aftermarket parts from quality brands are compatible alternatives that often meet or exceed OE standards at a lower price.
How can I find the OE number for window regulator relay?
Check the part on your vehicle, your service history, or manufacturer documentation for OE/OEM reference numbers. Cross-referencing OE numbers is the fastest way to find compatible parts.
