Westwood Rectifiers / Regulators
Westwood voltage regulators and rectifier regulators convert alternator AC output to usable DC voltage for battery charging on ride-on equipment. Our rectifier inventory includes Westwood charging regulators, electrical regulators, and alternator regulators for TimeCutter, Z Master, and commercial zero-turn models. Westwood Spares stocks Westwood voltage regulator assemblies in stock with proper voltage output specifications for Briggs & Stratton, Kohler, and Kawasaki engines, with worldwide shipping on all regulator orders. These critical charging regulator components regulate charging voltage between 13.5-14.5V preventing battery overcharging whilst maintaining sufficient charge to power electrical accessories and compensate for starting loads.
Available Westwood Rectifiers / Regulators
Rectifiervariablevoltagerect
T-270880264-0002
Westwood
£31.38
Available
Rectifier
T-270880195-0001
Westwood
--
View More
Rectifiervariablevoltagerect
T-270880157-0001
Westwood
--
View More
Regulatorbracketwelded03
T-301139801
Westwood
--
View More
Regulatorseal
T-174550001-0001
Westwood
--
View More
Regulatorvoltage
T-210667011
Westwood
--
View More
Regulatorcover
T-174570001-0001
Westwood
--
View More
Regulatorvalve
T-173240003-0001
Westwood
--
View More
Diesel Regulator Yanmar 119225-77720
T-449877500
Westwood
--
View More
Regulatorvoltage
T-210667017
Westwood
--
View More
Frequently Asked Questions
How do I test a Westwood voltage regulator?
Test voltage regulators by measuring DC voltage at battery terminals whilst engine runs at full throttle; should read 13.5-14.5V. If voltage remains at battery resting voltage (12.6V), regulator isn't converting AC from stator properly.
Why does my Westwood battery keep dying overnight?
Batteries dying between uses indicate faulty voltage regulators with bad diodes creating parasitic drains, poor charging during operation, or electrical shorts in wiring harness. Regulators can fail internally allowing battery discharge through alternator.
Can a bad rectifier blow fuses?
Yes, failed rectifiers with shorted diodes can create excessive current draw blowing charging system fuses repeatedly. Disconnect alternator wires from regulator; if fuse holds, regulator requires replacement.
What's the difference between regulated and unregulated charging?
Regulated systems include voltage regulators limiting output to safe 13.5-14.5V range preventing battery damage, whilst unregulated systems output variable voltage risking battery overcharge. Always use correct regulator type for your Westwood model.
Why does my charging system work intermittently?
Intermittent charging indicates loose wiring connections between stator and regulator, corroded terminals on regulator harness, or failing regulators breaking down with heat. Clean all connections and test stator AC output before replacing regulator.