DEF Ignition Coil Set for John Deere LA130–LA165 Tractors, Set of 2 — Direct-Fit Replacement for LG691060

DEF ignition coil set for John Deere LA130–LA165 tractors delivers reliable spark performance and comes as a pair to replace LG691060, MIA12346, and MIA12788.

When a lawn tractor’s engine stumbles, misfires, or struggles to start, the ignition coil is often the critical component. This DEF set of two ignition coils is designed specifically to fit John Deere LA130, LA135, LA140, LA145, LA150, LA155, and LA165 models, offering a direct-fit replacement for part numbers LG691060, MIA12346, and MIA12788. Each coil is engineered to restore consistent high-voltage output to the spark plug, helping the engine fire cleanly across a range of operating conditions.

What does this ignition coil set replace and which models will it fit?

These coils are manufactured to match the form, fit, and electrical characteristics of the original equipment. They are labeled as compatible replacements for John Deere part numbers LG691060, MIA12346, and MIA12788 and designed to fit a range of LA-series lawn tractors.

• Replaces: LG691060, MIA12346, MIA12788
• Fits: John Deere LA130, LA135, LA140, LA145, LA150, LA155, LA165
• Sold as a set of two coils for dual-coil engines or backup replacement

How will installing these coils affect engine performance?

Replacing worn or faulty coils can restore proper ignition timing and spark intensity without altering engine tuning. Improved spark energy can help the combustion process be more consistent, which supports smoother idling and more reliable starts under typical mowing loads.

• Sharper spark for steadier ignition
• Faster coil recovery between sparks for consistent firing
• Designed to maintain OEM electrical specifications

How do I know when an ignition coil needs replacement and how easy is swapping them?

Signs of a failing coil include hard starts, rough idle, or intermittent power loss. Replacing these coils is a straightforward mechanical task for anyone comfortable with small-engine maintenance: disconnect the battery, remove the old coil and mounting hardware, swap plug wires, and install the new coil per torque and gap specifications.

• Symptoms: starting trouble, misfires, inconsistent RPM
• Tools: basic hand tools and a feeler gauge for gap setting
• Installation: direct-fit, follows OEM mounting points and wiring

What should I expect from the build quality and support?

These DEF coils are produced to meet the electrical demands of small tractor engines and are quality-checked for fit and function. If any issue arises after purchase, DEF provides customer support to help troubleshoot or resolve product concerns.

• Manufactured to match OEM dimensions and electrical output
• Packaged as a matched pair for convenience
• Customer service available for product questions or warranty help

Who is this for: This DEF ignition coil set is aimed at owners and technicians maintaining John Deere LA-series lawn tractors who need a reliable, direct-replacement ignition component. It’s suitable for homeowners performing routine small-engine repairs and professional service shops seeking compatible, cost-effective coils that replace LG691060, MIA12346, and MIA12788. If you want a straightforward swap to bring your tractor’s ignition back to expected performance, this set of two coils provides the parts and fit required for those LA130–LA165 models.