Caltric 12V Starter for Briggs & Stratton John Deere - 14‑Tooth Steel Gear, CCW Rotation

Caltric's 12V starter with a 14‑tooth improved steel drive gear is a direct-fit replacement for Briggs & Stratton and John Deere units that accept part numbers like 593934 and 693551.

This heavy‑duty replacement starter is engineered to match the electrical and mechanical specs of common small‑engine starters used in lawn tractors and outdoor power equipment. It delivers the correct 12‑volt, counterclockwise (CCW) rotation and uses an upgraded steel 14‑tooth drive gear for stronger engagement and longer wear life. Before purchasing, compare the photos and dimensions to your original starter to confirm fit and alignment.

How do I know this starter will fit my engine?

Check the listed cross‑reference numbers and the physical dimensions against your existing starter. This Caltric starter is intended to replace parts identified by the manufacturer numbers below and has a standard 14‑tooth drive geared for CCW rotation.

• Replaces: 593934, 693551, BS‑593934, BS593934, LG693551, SE501848, MIA13018, BS693551
• Specs: 12 Volt, CCW rotation, 14 teeth drive gear
• Dimensions: Length 6.69" (170 mm), Width 3.7" (94 mm), Height 3.34" (85 mm)
• Compare mounting bolt pattern and electrical terminals to original unit

Why choose the improved 14‑tooth steel gear version?

The upgraded steel gear is more wear‑resistant than some stock alloys, helping maintain reliable meshing with the flywheel ring gear during repeated starts. It’s a practical option when you need better durability without major modification.

• Improved steel reduces rounding and wear on teeth
• Maintains consistent engagement under load
• Same tooth count ensures compatibility with engines requiring 14 teeth
• Designed for typical lawn and garden starter duty cycles

What electrical and mechanical details should I check before installation?

Verify the voltage, rotation direction, and that the mounting and terminal layout match your equipment. Minor differences in bolt spacing or terminal type can prevent a proper installation even if part numbers match.

• Voltage: 12 V — ensure your system uses a 12‑volt battery
• Rotation: CCW (counterclockwise) when viewed from pinion end
• Mounting: compare bolt hole pattern and housing shape to original starter
• Terminals: confirm the starter solenoid and power terminal locations align

How should I prepare and install this replacement starter?

Prepare basic hand tools and safety gear, disconnect the battery, document wire positions, and use the correct torque for mounting bolts. If you’re not comfortable with starter replacement, consider a trained technician to avoid electrical or mechanical damage.

• Disconnect negative battery cable before beginning
• Label or photograph wiring and terminal locations for reassembly
• Use anti‑seize on mounting bolts if desired and torque to manufacturer specs
• Test starter operation briefly before fully reassembling covers or shrouds

This Caltric starter is a practical, cost‑effective replacement for equipment owners and repair shops needing a reliable 12‑volt, CCW starter with a 14‑tooth improved steel gear. It’s well suited for routine service, refurbishment projects, and emergency swaps when OEM parts are unavailable. Always compare the supplied image and measurements to your current starter before ordering to ensure a proper match.