Mower Blades

8TEN Deck Spindle Blade Kit Set Combo for John Deere 38 inch LX172 LX173 LX176 LX178 LX186 AM108925

4.4/5 (49 reviews)
$89.95
8TEN Deck Spindle Blade Kit Set Combo for John Deere 38 inch LX172 LX173 LX176 LX178 LX186 AM108925
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What It Is

This is a complete deck spindle and blade kit for 38-inch John Deere lawn tractors, combining the two spindles that drive the blades and the blades themselves into one set. It’s designed for routine replacement on mid-1990s to early-2000s Deere riders with the 38-inch stamped deck.

Fitment & Compatibility

Before buying, confirm your mower has a 38-inch deck (not 42 or 48). The kit fits these models: LX172, LX173, LX176, LX178, LX186. It replaces OEM part number AM108925 – check your current spindle’s stamped number or cross-reference with that. The spindles are aftermarket, not John Deere genuine, so expect slight differences in bearing quality or seal design. Measure the distance between spindle mounting holes on your deck (typically 3.75 inches center-to-center) and verify blade length matches the 38-inch deck (blades are about 13.5 inches). If your deck has a different hole pattern or uses a single-spindle setup, this won’t work.

Key Things to Know

  • Quality vs OEM: Aftermarket spindles may have looser tolerances and shorter bearing life than genuine Deere parts. If you mow heavy or commercial use, OEM spindles often last longer.
  • Installation difficulty: Moderate. You’ll need a jack or ramps to access the underside, plus a socket set and torque wrench. The spindle bolts are typically torqued to 30–40 ft-lbs; don’t overtighten.
  • Common gotcha: The blade bolts in this kit may not match your original thread pitch – check that they’re 5/16-24 (fine thread) before installing. Use thread locker to prevent loosening.
  • Includes everything: Spindles, blades, and hardware come in one box, so no separate trips for missing bolts or keys.

Should You Buy It

Buy if you need a fast, budget-friendly swap for a worn spindle on a 38-inch LX-series Deere and don’t mind aftermarket parts for occasional residential mowing. Skip if you want OEM durability for heavy use or a commercial-grade machine—buy genuine Deere spindles separately.

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