Skip to product information
SKU:
NLT1Q00503
Ships for free in 2–4 business days.
12V Starter Solenoid for Cub Cadet/MTD – Replaces 725-04439 Series
$22.99
In Stock
$22.99
Sale price
$22.99
Regular price
New aftermarket 12-volt starter solenoid replacing Cub Cadet/MTD 725-04439, 725-04439A, and 725-04439B, with additional John Deere cross-references for the compatible machines listed below.
Estimated delivery between
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
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
- Cub Cadet LT1040/LT1042/LT1045/LT1046/LT1050
- Cub Cadet LTX1040/LTX1042/LTX1045/LTX1046/LTX1050
- Cub Cadet GT1054/GT1554/GT2000/GT2100
- Cub Cadet RZT42/RZT50/RZT54
- John Deere L100–L130 and LA100–LA175 matching applications
- John Deere Z225/Z425/Z445/Z645 matching applications
- Compatible MTD tractors using 725-04439-series solenoids
Product Overview
A single click, intermittent cranking, or no starter response can point to the solenoid after the battery, cables, grounds, fuse, key switch, safety interlocks, and starter motor are tested. This unit switches battery current to the starter on matching grounded-through-terminal systems.
Some solenoids ground through the mounting base and others through a small terminal. Match terminal count, grounding method, bracket, and cable-stud layout.
Key Features & Performance
- 12-volt mower starter-solenoid application
- Grounded-through-terminal design for matching systems
- Replaces the 725-04439 series
- Restores starter-current switching after a confirmed solenoid failure
Replaces Part Numbers
- 725-04439
- 725-04439A
- 725-04439B
- AM138068
- AUC15346
- GY22476
Common Uses
- Repairing intermittent or no-crank starting
- Replacing burned high-current contacts
- Restoring cable connection after a cracked solenoid housing
Technical Specifications
- Product Type: Starter solenoid
- Voltage: 12 V
- Grounding: Through small terminal; base not grounded
- Condition: New
- Replacement Type: Aftermarket
Installation & Fitment
- Disconnect the battery negative cable first
- Label the battery, starter, and control wires
- Match large studs, small terminals, bracket, and grounding method
- Test safety-interlock operation before normal use
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Production date, engine type, transmission, trim, serial number, and previous repairs can change fitment. Compare the original part, mounting points, dimensions, connections, and listed reference numbers before purchase.
Frequently Asked Questions
Q: Can a bad solenoid click but not crank? A: Yes. Burned contacts can click without passing enough current.
Q: How do I know whether the base should ground? A: Compare the original wiring diagram and terminal arrangement; this application grounds through a terminal.
Q: Will it fix a weak battery? A: No. Load-test the battery and voltage-drop test the cables first.
Q: Which numbers does it replace? A: 725-04439, 725-04439A, 725-04439B and the listed John Deere cross-references in matching applications.
Part Summary
keywords: 725-04439 starter solenoid, Cub Cadet LTX1045 solenoid, MTD mower no crank, AM138068 replacement, John Deere Z225 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.