Caltric Starter for John Deere Lawn Tractors — 15-Tooth Steel Gear, Direct-Fit (MIA13038)

Caltric replacement starter (MIA13038) is a direct-fit, 15-tooth steel-gear starter built to replace worn or faulty starters on many John Deere lawn and garden tractors.

If your mower or small tractor won't crank, replacing the starter with a matching unit is a common, effective repair. This Caltric starter is designed to match OEM fitment for a long list of John Deere and Briggs & Stratton applications, giving you a straightforward swap without complex modifications. Before ordering, compare the photos and mounting pattern to your existing starter to ensure proper compatibility.

Which machines does this Caltric starter work with?

This starter fits numerous John Deere models across lawn tractors, ZTrak mowers, and 100 Series machines, as well as many Briggs & Stratton-engine variants that use the OEM part numbers shown. It’s listed to replace John Deere part MIA13038 and several Briggs & Stratton references.

• Common John Deere fits: E120–E180 series, S120–S180 100 Series, X127/X147R/X166/X167 families, Z235/Z335 ZTrak mowers, L111/L120 and more.
• Briggs & Stratton compatibility: numerous 40N777 and 40N877 series part numbers.
• OEM cross-reference: John Deere MIA13038 and Briggs & Stratton 592599.

How easy is installation and what should I check before buying?

Installation is generally straightforward for anyone comfortable with basic mower maintenance and hand tools. You’ll remove the old starter, transfer any brackets or heat shields as needed, and bolt the Caltric unit in place, reconnecting electrical terminals.

• Compare the mounting flange, bolt pattern, and 15-tooth pinion with your old starter.
• Verify terminal locations and solenoid wiring match your tractor’s harness.
• Wear insulated gloves and disconnect the battery before starting work.

What are the technical details and build features?

This replacement uses a 15-tooth steel gear for reliable engagement with flywheel teeth and is manufactured to provide the same mechanical interface as the original equipment part. The solenoid and electrical terminals are positioned to mirror OEM layout for ease of fitment.

• 15-tooth steel pinion gear for durable meshing with flywheel.
• Preassembled solenoid and starter motor for plug-and-play replacement.
• Supplied as a single starter unit—no additional mounting hardware included.

What maintenance tips help prolong starter life?

Routine checks and sensible electrical care extend starter service life. Keep battery terminals clean, ensure charging system health, and avoid repeated starter engagement under load.

• Maintain a fully charged battery and clean, tight connections.
• Inspect flywheel teeth and pinion engagement for wear or damage.
• Limit long cranking periods; allow brief cooldowns between attempts.

Who this part is for: This Caltric starter is intended for owners, service technicians, and DIY mechanics who need an affordable, direct-replacement starter for John Deere lawn tractors and compatible Briggs & Stratton-equipped machines. It’s especially useful if you have a model listed in the compatibility details and want a straightforward, OEM-referenced swap (MIA13038 / 592599) rather than a complex rebuild. If you’re unsure, compare the starter’s pictured mounting pattern and 15-tooth gear to your existing unit or consult a technician before purchasing.