D140 D130 Air Filter Oil Filter Tune Up Kit for John Deer E100 E140 D105 D110 D125 E130 D100 E150 46'' 48'' Mower w/ 17.5hp 19.5hp 20hp 21hp Engine

What It Is

A complete tune-up kit for John Deere lawn tractors and zero-turn mowers, containing an air filter, oil filter, and spark plug to replace worn-out parts on single-cylinder engines from 17.5hp to 21hp. Designed for routine maintenance to restore engine performance and extend mower life.

Fitment & Compatibility

Check your mower’s model number (e.g., D100, E100, D140) and engine horsepower (17.5hp, 19.5hp, 20hp, 21hp). This kit fits John Deere 100-series tractors with 42”, 46”, or 48” decks—specifically D100, D105, D110, D125, D130, D140, E100, E130, E140, and E150 models. Also compatible with select 17.5hp to 21hp engines from Briggs & Stratton or Kohler (common on these Deere models). Measure your existing air filter diameter (approx. 3.5” to 4”) and oil filter thread size (3/4”-16) to confirm fit. This is an aftermarket kit, not OEM John Deere, but uses standard replacement specs.

Key Things to Know

• Quality: Rated 4.6/5 from 373 reviews—users report it fits well and performs like OEM for a fraction of the cost. Expect durable materials, but not heavy-duty for commercial use.
• Installation: Easy to DIY—no special tools needed. Just remove old air filter, spin off oil filter, and swap the spark plug (gap may need checking). Takes 15–30 minutes.
• Common Gotcha: The spark plug may come pre-gapped, but always verify gap with a tool (typically 0.030” for these engines). Also, ensure your engine uses a standard oil filter (not a cartridge type).
• What’s Included: One air filter, one oil filter, one spark plug. No fuel filter or oil—buy those separately if needed.

Should You Buy It

Buy this kit if you own a compatible John Deere 100-series mower and want an affordable, reliable tune-up for seasonal maintenance. It’s ideal for homeowners with 1–2 acres who need to replace filters and spark plug annually. Skip it if you require OEM parts for warranty compliance or have a commercial mower with higher-hour demands.